WATER WORKS

206 / S206-PGM

Reduced Port, Integral Back-Up, Dual Diaphragm, Automatic Control Valve

  • Ideal for applications requiring redundant and back-up security
  • Virtually uninterrupted control under a variety of system failures
  • Remote annunciation option available
  • Available in globe and angle style

The 206-PGM and S206-PGM control valves are designed for particularly sensitive applications or situations where valves are difficult to access and maintain.

The PGM series control valves provide integral back-up control and the ability to signal should the desired function move off limits. It can also provide an independent and very positive override.

 It is a variation of the standard single chamber 106-PG valve with modifications that add the following features:
• Back-up diaphragm
• Completely self-contained
• Modulating or emergency close back-up
• Back-up components kept out of the main stream until required
• Extremely positive shut-off
• Emergency close for security breach or earthquake

 The PGM series control valves may be combined with additional Singer Valve specific accessories to add further customization such as:
• Back-up pilot system
• Annunciation with a Single Pole Double Throw Limit Switch

Refer to Main Valve Options and Pilots & Accessories to customize the valve to suit specific applications.

  • Valve(s) shall be a hydraulically operated globe (angle) valve complete with an integral back-up actuator. The inner valve assembly shall be top and bottom guided by means bearing bushings.
  • In normal operation, the inner valve assembly shall be the only moving part and shall be securely mounted on a AISI 316 Stainless Steel stem. The secondary system shall include a separate operating chamber and components, which will provide independent control on the primary valve.
  • The stainless steel stem shall be provided with wrench flats on all valves 4 in / 100 mm to 16 in / 400 mm, for ease of assembly and maintenance.
  • All back-up components shall remain stationary, unstressed and will not interfere with normal valve operation until required.
  • Back-up operation shall be initiated by either a remote emergency close signal or the controlled function being out of normal operating limits.
  • All pressure containing components shall be constructed of ASTM A536-65 / 45 / 12 ductile iron.
  • The flanges shall be designed to ANSI Class 150 or Class 300 standards. Flange drilling to ANSI shall be standard; however, ISO and other drillings shall be available upon request.
  • Valve(s) shall have a protective fusion bonded epoxy coating internally and externally. The protective fusion bonded epoxy coating shall conform to the ANSI / AWWA C116/A21.16 (current version) specification.
  • Valve(s) 10 in / 250 mm and smaller shall provide smooth, frictionless motion with actuation being achieved by the use of a flat style Buna-N / EPDM diaphragm. They shall be constructed of nylon fabric bonded with synthetic rubber. The diaphragms shall not be used as a seating surface.
  • Valve(s) 12 in / 300 mm and larger shall provide smooth, frictionless motion and maximum low flow stability with actuation being achieved by the use of the Singer rolling diaphragm technology. The diaphragms shall not be used as a seating surface.
  • Bonnets shall be accurately located to bodies utilizing locating pins. Locating pins shall eliminate corrosion resulting from the use of uncoated ductile iron to ductile iron surfaces.
  • The AISI 316 Stainless Steel seat shall be bolted in place, utilizing Spiralock thread tapping technology. The AISI 316 Stainless Steel seat ring shall be easily replaceable without special tools.
  • The valve(s) shall form a drip-tight seal between the stationary stainless steel seat ring and the resilient disc, which has a rectangular cross-section and is retained by clamping on three and one half sides. The resilient disc shall be constructed of Buna-N or EPDM for normal service conditions.
  • All external fasteners shall be AISI 18-8 Stainless Steel with AISI 18-8 Stainless Steel washers. Mild steel studs or bolts will not be acceptable.
  • All repairs and maintenance shall be possible without removing the valve from the line. To facilitate easy removal and replacement of the inner valve assembly and to reduce unnecessary wear on the guide, the stem shall be vertical when the valve is mounted in a horizontal line.
  • Each valve shall be air tested prior to shipment. The standard test shall include leakage test, seat leakage test, and stroke test. Refer to IOM 622B for further details, contact Singer Valve. Where the set-point is provided, Singer Valve will preset the pilot. Further testing is available upon request at published rates within the capabilities of Singer Valve’s manufacturing facilities.
  • The valve(s) shall be covered by a minimum three year (3) warranty against defects in materials and workmanship. The stainless steel seat ring shall be covered by a lifetime replacement warranty.
  • The valve shall be a Singer Valve model ____ (insert model number), refer to other respective catalogue sections for further details
  • Further customize your valve by adding any of the available options:
    • Position Indicators
    • Oxy-Nitride Stem
    • Internal Drop Check
    • Grooved Ends
    • Reclaimed Water

106 / S106-PGM

Full Port, Integral Back-Up, Dual Diaphragm, Automatic Control Valve

  • Ideal for applications requiring redundant and back-up security
  • Virtually uninterrupted control under a variety of system failures
  • Remote annunciation option available
  • Available in globe and angle style

The 106-PGM and S106-PGM series control valves are designed for particularly sensitive applications or situations where valves are difficult to access and maintain.

The PGM series control valves provide integral back-up control and the ability to signal should the desired function move off limits. It can also provide an independent and very positive override.

It is a variation of the standard single chamber 106-PG valve with modifications that add the following features:
• Back-up diaphragm
• Completely self-contained
• Modulating or emergency close back-up
• Back-up components kept out of the main stream until required
• Extremely positive shut-off
• Emergency close for security breach or earthquake

With SRD technology the valve becomes incredibly steady throughout a complete range of flows and eradicates the need of additional low flow bypass valves.

The PGM series control valves may be combined with additional Singer Valve specific accessories to add further customization such as:
• Back-up pilot system
• Annunciation with an Single Pole Double Throw Limit Switch

Refer to Main Valve Options and Pilots & Accessories to customize the valve

to suit specific applications.

  • Valve(s) shall be a hydraulically operated globe / angle valve complete with an integral back-up actuator. The inner valve assembly shall be top and bottom guided by means bearing bushings.
  • In normal operation, the inner valve assembly shall be the only moving part and shall be securely mounted on a AISI 316 Stainless Steel stem. The secondary system shall include a separate operating chamber and components, which will provide independent control on the primary valve.
  • The stainless steel stem shall be provided with wrench flats on all valves 3 in / 80 mm to 16 in / 400 mm, for ease of assembly and maintenance.
  • All back-up components shall remain stationary, unstressed and will not interfere with normal valve operation until required.
  • Back-up operation shall be initiated by either a remote emergency close signal or the controlled function being out of normal operating limits.
  • All pressure containing components shall be constructed of ASTM A536-65 / 45/ 12 ductile iron. The flanges shall be designed to ANSI Class 150 or Class 300 standards. Flange drilling to ANSI shall be standard; however, ISO and other drillings shall be available upon request.
  • Valve(s) shall have a protective fusion bonded epoxy coating internally and externally. The protective fusion bonded epoxy coating shall conform to the ANSI / AWWA C116 / A21.16 (current version) specification.
  • Valve(s) 8 in / 200 mm and smaller shall provide smooth, frictionless motion with actuation being achieved by the use of a flat style Buna-N / EPDM diaphragm. They shall be constructed of nylon fabric bonded with synthetic rubber. The diaphragms shall not be used as a seating surface.
  • Valve(s) 10 in / 250 mm and larger shall provide smooth, frictionless motion and maximum low flow stability with actuation being achieved by the use of the Singer rolling diaphragm technology. The diaphragms shall not be used as a seating surface.
  • Bonnets shall be accurately located to bodies utilizing locating pins. Locating pins shall eliminate corrosion resulting from the use of uncoated ductile iron to ductile iron surfaces.
  • Valve(s) shall have the AISI 316 Stainless Steel seat bolted in place, utilizing Spiralock thread tapping technology. The AISI 316 Stainless Steel seat ring shall be easily replaceable without special tools.
  • The valve(s) shall form a drip-tight seal between the stationary stainless steel seat ring and the resilient disc, which has a rectangular cross-section and is retained by clamping on three and one half sides. The resilient disc shall be constructed of Buna-N or EPDM for normal service conditions.
  • All external fasteners shall be AISI 18-8 Stainless Steel with AISI 18-8 Stainless Steel washers. Mild steel studs or bolts will not be acceptable.
  • All repairs and maintenance shall be possible without removing the valve from the line. To facilitate easy removal and replacement of the inner valve assembly and to reduce unnecessary wear on the guide, the stem shall be vertical when the valve is mounted in a horizontal line.
  • Each valve shall be air tested prior to shipment. The standard test shall include leakage test, seat leakage test, and stroke test. Refer to IOM 622B for further details, contact Singer Valve. Where the set-point is provided, Singer Valve will preset the pilot. Further testing is available upon request at published rates within the capabilities of Singer Valve’s manufacturing facilities.
  • Further customize your valve by adding any of the available options:
    • Position Indicators
    • Oxy-Nitride Stem
    • Internal Drop Check
    • Grooved Ends
    • Reclaimed Water

206 / S206-PT / PTC

Reduced Port, Double Chamber, Hydraulically Operated Valve

  • Positive control, even with low operating pressure
  • Precise positioning
  • Internal drop check included on the PTC model
  • Available in globe and angle style

The 206-PT and 206-PTC series control valves are hydraulically operated by introducing or releasing water from the control chambers. PT and PTC valves have two operating chambers which are divided from each other by the diaphragm, and are separated from the flowing media by an adaptor plate.

206-PTC is an enhancement of the 206-PT and includes an internal drop check feature. This mechanical check provides non-slam closure on reverse flow, independently of the stem position or the pilot operation.

PT and PTC valves are usually combined with Singer Valve specific purpose pilots and accessories to provide control for a wide range of functions: typically pump control and solenoid control applications.

Refer to Main Valve Options and Pilots & Accessories to further customize the valve to suit specific applications.

  • Valve(s) shall be a hydraulically operated globe (angle) valve. The inner valve assembly shall be guided in two locations by means bearing bushings. The inner valve assembly shall be the only moving part and shall be securely mounted on a AISI 316 Stainless Steel stem.
  • The two operating chambers shall be separated from each other by the diaphragm and from the flowing media by an adaptor.
  • All pressure containing components shall be constructed of ASTM A536-65 / 45 /12 ductile iron. The flanges shall be designed to ANSI Class 150 or Class 300 standards. Flange drilling to ANSI shall be standard; however, ISO and other drillings shall be available upon request.
  • Valve(s) shall have a protective fusion bonded epoxy coating internally and externally. The protective fusion bonded epoxy coating shall conform to the ANSI / AWWA C116 / A21.16 (current version) specification.
  • Valve(s) 10 in / 250 mm and smaller shall provide smooth frictionless motion with actuation being achieved by the use of a flat style Buna-N / EPDM diaphragm. They shall be constructed of nylon fabric bonded with synthetic rubber. The diaphragms shall be fully supported through their full stroke and not be used as a seating surface.
  • Valve(s) 12 in / 300 mm and larger shall provide smooth, frictionless motion and maximum low flow stability with actuation being achieved by the use of the Singer rolling diaphragm technology. The diaphragms shall not be used as a seating surface.
  • The valve cover shall have a separate stem cap giving access to the stem for alignment check, spring installation and ease of assembly.
  • Bonnets shall be accurately located to bodies utilizing locating pins. Locating pins shall eliminate corrosion resulting from the use of uncoated ductile iron to ductile iron surfaces.
  • The AISI 316 Stainless Steel seat shall be bolted in place, utilizing Spiralock thread tapping technology. The AISI 316 Stainless Steel seat ring shall be easily replaceable without special tools.
  • The valve(s) shall form a drip-tight seal between the stationary stainless steel seat ring and the resilient disc, which has a rectangular cross-section and is retained by clamping on three and one half sides. The resilient disc shall be constructed of Buna-N or EPDM for normal service conditions.
  • All external fasteners shall be AISI 18-8 Stainless Steel with AISI 18-8 Stainless Steel washers. Mild steel studs or bolts will not be acceptable.
  • All repairs and maintenance shall be possible without removing the valve from the line. To facilitate easy removal and replacement of the inner valve assembly and to reduce unnecessary wear on the guide, the stem shall be vertical when the valve is mounted in a horizontal line.
  • Each valve shall be air tested prior to shipment. The standard test shall include leakage test, seat leakage test, and stroke test. Refer to IOM 622B for further details (contact Singer Valve). Where the set-point is provided, Singer Valve will preset the pilot. Further testing is available upon request at published rates within the capabilities of Singer Valve’s manufacturing facilities.
  • The valve(s) shall be covered by a minimum three year (3) warranty against defects in materials and workmanship. The stainless steel seat ring shall be covered by a lifetime replacement warranty.
  • The optional Internal Drop Check feature shall provide rapid, positive shut-off to prevent reverse flow, independent of the stem position or the pilot operation. When this option is included in a 206-PT valve, the model name becomes 206-PTC.
  • The valve shall be a Singer Valve model ____ (insert model number), refer to other respective catalogue sections for further details.
  • Further customize your valve by adding any of the available options:
    • Position Indicators
    • Oxy-Nitride Stem
    • Internal Drop Check
    • Grooved Ends
    • Reclaimed Water

106 / S106-PT / PTC

Full Port, Double Chamber, Hydraulically Operated Valve

  • Maintains positive control under all operating pressures
  • Precise positioning
  • Internal drop check option included on the PTC model
  • Available in globe and angle style

The 106-PT and 106-PTC series control valves are hydraulically operated by introducing or releasing water from the control chambers. PT and PTC valves have two operating chambers that are divided from each other by the diaphragm, and are separated from the flowing media by an adaptor plate.
106-PTC is an enhancement of the 106-PT and includes an internal drop check feature. This mechanical check provides non-slam closure on reverse flow, independently of the stem position or the pilot operation.
PT and PTC valves are usually combined with Singer Valve specific purpose pilots and accessories to provide control for a wide range of functions: typically pump control and solenoid control applications. Refer to Main Valve Options and Pilots & Accessories to further customize the valve to suit specific applications.

  • Valve(s) shall be a hydraulically operated globe / angle valve. The inner valve assembly shall be guided in two locations by means bearing bushings. The inner valve assembly shall be the only moving part and shall be securely mounted on a AISI 316 Stainless Steel stem. Lower grades of Stainless Steel stems will not be acceptable.
  • The two operating chambers shall be separated from each other by the diaphragm and from the flowing media by an adapter plate.
  • All pressure containing components shall be constructed of ASTM A536-65 / 45 / 12 Ductile iron. The flanges shall be designed to ANSI Class 150 or Class 300 standards. Flange drilling to ANSI shall be standard; however, ISO and other drillings shall be available upon request. Valve(s) shall have a protective fusion bonded epoxy coating internally and externally. The protective fusion bonded epoxy coating shall conform to the ANSI / AWWA
  • C116 / A21.16 (current version) specification.
  • Valve(s) 8 in / 200 mm and smaller shall provide smooth, frictionless motion with actuation being achieved by the use of a flat style EPDM / Buna-N diaphragm. They shall be constructed of nylon fabric bonded with synthetic rubber. The diaphragms shall not be used as a seating surface.
  • Valve(s) 10 in / 250 mm and larger shall provide smooth, frictionless motion and maximum low flow stability with actuation being achieved by the use of the Singer rolling diaphragm technology. The diaphragms shall be fully supported through their full stroke and not be used as a seating surface.
  • The valve cover shall have a separate stem cap giving access to the stem for alignment check, spring installation and ease of assembly.
  • On valve(s) 3 in / 80 mm and larger, bonnets shall be accurately located to bodies utilizing locating pins. Locating pins shall eliminate corrosion resulting from the use of uncoated ductile iron to ductile iron surfaces. Valves with lipped spigot covers shall not be acceptable due to risk of rust and difficulty in assembly.
  • Valve(s) 3 in / 80 mm to 8 in / 200 mm shall have the AISI 316 Stainless Steel seat with integral bottom guide, bolted in place, utilizing Spiralock thread tapping technology. The AISI 316 Stainless Steel seat ring shall be easily replaceable without special tools. Valves 10 in / 250 mm and larger shall incorporate a two piece seat and bottom guide design.
  • The valve(s) shall form a drip-tight seal between the stationary stainless steel seat ring and the resilient disc, which has a rectangular cross-section and is retained by clamping on three and one half sides. The resilient disc shall be constructed of Buna-N or EPDM for normal service conditions.
  • All external fasteners shall be AISI 18-8 Stainless Steel with AISI 18-8 Stainless Steel washers. Mild steel studs or bolts will not be acceptable.
  • All repairs and maintenance shall be possible without removing the valve from the line. To facilitate easy removal and replacement of the inner valve assembly and to reduce unnecessary wear on the guide, the stem shall be vertical when the valve is mounted in a horizontal line.
  • Each valve shall be air tested prior to shipment. The standard test shall include leakage test, seat leakage test, and stroke test. Refer to IOM 622B for further details (contact Singer Valve). Where the set-point is provided, Singer Valve will preset the pilot. Further testing is available upon request at published rates within the capabilities of Singer Valve’s manufacturing facilities.
  • The valve(s) shall be covered by a minimum three year (3) warranty against defects in materials and workmanship. The stainless steel seat ring shall be covered by a lifetime replacement warranty.
  • The optional Internal Drop Check feature shall provide rapid, positive shut-off to prevent reverse flow, independently of the stem position or the pilot operation. When this option is included in a 106-PT valve, the model name becomes 106-PTC.
  • The valve shall be a Singer Valve model ____ (insert model number), refer to other respective catalogue sections for further details.
  • Further customize your valve by adding any of the available options:
    • Position Indicators
    • Oxy-Nitride Stem
    • Internal Drop Check
    • Grooved Ends
    • Reclaimed Water

206 / S206-PG

Reduced-Port, Single Chamber, Hydraulically Operated Valve

  • Available in globe and angle style

The 206-PG series control valve is the preferred choice for pressure reducing valves, flow control valves, relief valves and applications with lower to medium flows. This hydraulically operated valve introduces or releases water from the control chamber above the diaphragm to effectively maintain water control. 
Further adapt the valve to provide control for a wide range of functions with Singer Valve’s pilot and accessories options. Customize for functions like controlling pressure, flow or level or virtually limitless combinations to suit specific applications.

Specifications

  • Valve(s) shall be a hydraulically operated globe (angle) valve. The inner valve assembly shall be top and bottom guided by means bearing bushings. The inner valve assembly shall be the only moving part and shall be securely mounted on a AISI 316 Stainless Steel stem. Lower grades of stainless steel stems will not be acceptable.
  • The stainless steel stem shall be provided with wrench flats on all valves 1 in / 25 mm to 16 in / 400 mm, for ease of assembly and maintenance. Wrench flats will be fully accessible when inner valve is assembled.
  • All pressure containing components shall be constructed of ASTM A536-65 / 45 / 12 ductile iron. The flanges shall be designed to ANSI Class 150 or Class 300 standards. Flange drilling to ANSI shall be standard however ISO and other drillings shall be available upon request.
  • Valve(s) shall have a protective fusion bonded epoxy coating internally and externally. The protective fusion bonded epoxy coating shall conform to the ANSI / AWWA C116 / A21.16 (current version) specification. No machining of any external parts after final coating will be acceptable to ensure a continuous coating surface throughout the entire valve.
  • The valve cover shall have a separate stem cap on valves larger than 2 1/2 in / 65 mm giving access to the stem for alignment check, spring installation and ease of assembly.
  • On valve(s) 1 in / 25 mm and larger, bonnets shall be accurately located to bodies utilizing locating pins. Locating pins shall eliminate corrosion resulting from the use of uncoated ductile iron to ductile iron surfaces. Valves with lipped spigot covers shall not be acceptable due to risk of rust and difficulty in assembly.
  • Valve(s) 3 in / 80 mm to 8 in / 200 mm shall have the AISI 316 Stainless Steel seat with integral bottom guide, bolted in place, utilizing Spiralock thread tapping technology. The AISI 316 Stainless Steel seat ring shall be easily replaceable without special tools. Valves 10 in / 250 mm and larger shall incorporate a two piece seat and bottom guide design.
  • The valve(s) shall form a drip-tight seal between the stationary stainless steel seat ring and the resilient disc, which has a rectangular cross-section and is retained by clamping on three and one half sides. The resilient disc shall be constructed of Buna-N or EPDM for normal service conditions.
  • All external fasteners shall be AISI 18-8 Stainless Steel with AISI 18-8 Stainless Steel washers. Mild steel studs or bolts will not be acceptable.
  • All repairs and maintenance shall be possible without removing the valve from the line. To facilitate easy removal and replacement of the inner valve assembly and to reduce unnecessary wear on the guide, the stem shall be vertical when the valve is mounted in a horizontal line.
  • Each valve shall be air tested prior to shipment. The standard test shall include leakage test, seat leakage test, and stroke test. Refer to IOM 622B for further details (contact Singer Valve). Where the set-point is provided, Singer Valve will preset the pilot. Further testing is available upon request at published rates within the capabilities of Singer Valve’s manufacturing facilities.
  • The valve(s) shall be covered by a minimum three year (3) warranty against defects in materials and workmanship. The stainless steel seat shall be covered by a lifetime replacement warranty.
  • The valve shall be a Singer Valve model ____ (insert model number), refer to other respective catalogue sections for further details.

If using the 6 in / 150 mm and 8 in / 200 mm Flat Diaphragm Valves

  • Valve(s) 10 in / 250 mm and smaller shall provide smooth frictionless motion with actuation being achieved by the use of a flat style EPDM / Buna-N diaphragm. They shall be constructed of nylon fabric bonded with synthetic rubber. The diaphragms shall not be used as a seating surface.
  • Valve(s) 12 in / 300 mm and larger shall provide smooth frictionless motion and maximum low flow stability with actuation being achieved by the use of the Singer rolling diaphragm technology. The diaphragms shall not be used as a seating surface.

If using the 6 in / 150 mm and 8 in / 200 mm Rolling Diaphragm Valves

  • Valve(s) 6 in / 150 mm and smaller shall provide smooth frictionless motion with actuation being achieved by the use of a flat style EPDM / Buna-N diaphragm. They shall be constructed of nylon fabric bonded with synthetic rubber. The diaphragms shall not be used as a seating surface.
  • Valve(s) 8 in / 200 mm and larger shall provide smooth, frictionless motion and maximum low flow stability with actuation being achieved by the use of the Singer Valve Rolling Diaphragm technology. The diaphragms shall not be used as a seating surface.
  • Further customize your valve by adding any of the available options:
    • Position Indicators
    • Oxy-Nitride Stem
    • Internal Drop Check
    • External Spring Lift
    • Grooved Ends
    • Reclaimed Water

106 / S106-PG

Full Port, Single Chamber, Hydraulically Operated Valve

  • Anti-cavitation option is ideal for high pressure drop situations
  • Available in globe and angle style

The 106-PG series control valve is designed to suit a large variety of applications such as pressure, flow or level control. This hydraulically operated valve introduces or releases water from the control chamber above the diaphragm to effectively maintain accurate water control.

Refer to Main Valve Options and Pilots & Accessories to customize the valve to suit specific applications.

  • Valve(s) shall be a hydraulically operated globe / angle valve. The inner valve assembly shall be top and bottom guided by means bearing bushings. The inner valve assembly shall be the only moving part and shall be securely mounted on a AISI 316 Stainless Steel stem. Lower grades of stainless steel stems will not be acceptable.
  • The stainless steel stem shall be provided with wrench flats on all valves 1 in / 25 mm to 16 in / 400 mm, for ease of assembly and maintenance. Wrench flats will be fully accessible when inner valve is assembled.
  • All pressure containing components shall be constructed of ASTM A536-65 / 45 / 12 ductile iron. The flanges shall be designed to ANSI Class 150 or Class 300 standards. Flange drilling to ANSI shall be standard; however, ISO and other drillings shall be available upon request.
  • Valve(s) shall have a protective fusion bonded epoxy coating internally and externally. The protective fusion bonded epoxy coating shall conform to the ANSI / AWWA C116 / A21.16 (current version) specification. No machining of any external parts after final coating will be acceptable to ensure a continuous coating surface throughout the entire valve.
  • The valve cover shall have a separate stem cap on valves larger than 2 in / 50 mm giving access to the stem for alignment check, spring installation and ease of assembly.
  • On valve(s) 1 in / 25 mm and larger, bonnets shall be accurately located to bodies utilizing locating pins. Locating pins shall eliminate corrosion resulting from the use of uncoated ductile iron to ductile iron surfaces. Valves with lipped spigot covers shall not be acceptable due to risk of rust and difficulty in assembly.
  • Valve(s) 3 in / 80 mm to 8 in / 200 mm shall have the AISI 316 Stainless Steel seat with integral bottom guide, bolted in place, utilizing SpiralockTM thread tapping technology. The AISI 316 Stainless Steel seat ring shall be easily replaceable without special tools. Valves 10 in / 250 mm and larger shall incorporate a two-piece seat and bottom guide design.
  • The valve(s) shall form a drip-tight seal between the stationary stainless steel seat ring and the resilient disc, which has a rectangular cross-section and is retained by clamping on three and one half sides. The resilient disc shall be constructed of Buna-N or EPDM for normal service conditions.
  • All external fasteners shall be AISI 18-8 Stainless Steel with AISI 18-8 Stainless Steel washers. Mild steel studs or bolts will not be acceptable.
  • All repairs and maintenance shall be possible without removing the valve from the line. To facilitate easy removal and replacement of the inner valve assembly and to reduce unnecessary wear on the guide, the stem shall be vertical when the valve is mounted in a horizontal line.
  • Each valve shall be air tested prior to shipment. The standard test shall include leakage test, seat leakage test, and stroke test. Refer to IOM 622B for further details (contact Singer Valve). Where the set-point is provided, Singer Valve will preset the pilot. Further testing is available upon request at published rates within the capabilities of Singer Valve’s manufacturing facilities.
  • The valve(s) shall be covered by a minimum three year (3) warranty against defects in materials and workmanship. The stainless steel seat shall be covered by a lifetime replacement warranty.
  • The valve shall be a Singer Valve model ____ (insert model number), refer to respective catalogue sections for further details.
  •  

If using the 6 in / 150 mm & 8 in / 200 mm Flat Diaphragm Valves
• Valve(s) 8 in / 200 mm and smaller shall provide smooth frictionless motion with actuation being achieved by the use of a flat style EPDM / Buna-N diaphragm. They shall be constructed of nylon fabric bonded with synthetic rubber. The diaphragms shall not be used as a seating surface.
• Valve(s) 10 in / 250 mm and larger shall provide smooth frictionless motion and maximum low flow stability with actuation being achieved by the use of the Singer Rolling Diaphragm technology. The diaphragms shall not be used as a seating surface.

If using the 6 in / 150 mm & 8 in / 200 mm Rolling Diaphragm Valves
• Valve(s) 4 in / 100 mm and smaller shall provide smooth frictionless motion with actuation being achieved by the use of a flat style EPDM / Buna-N diaphragm. They shall be constructed of nylon fabric bonded with synthetic rubber. The diaphragms shall not be used as a seating surface.
• Valve(s) 6 in / 150 mm and larger shall provide smooth frictionless motion and maximum low flow stability with actuation being achieved by the use of the Singer Rolling Diaphragm technology. The diaphragms shall not be used as a seating surface.

  • Customize your valve by adding any of the available options:
    • Position Indicators
    • Oxy-Nitride Stem
    • Internal Drop Check
    • External Spring Lift
    • Grooved Ends
    • Reclaimed Water
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