206 / S206-PT / PTC Product Guide
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Main Valves Model 206-PT / 206-PTC / S206-PT / S206-PTC Reduced Port, Double Chamber Hydraulically Operated Valve Key Features • Positive control, even with low operating pressure • Precise positioning • Internal drop check included on the PTC model • Available in globe and angle style 206-PT Globe Product Overview 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 on page 75 and Pilots & Accessories on page 259 to further customize the valve to suit specific applications. 1. Optional Model X129 Limit Switch Assembly 2. Double Chambers Separated From The Flowing Media 3. ASTM A536 Ductile Iron Construction 4. Optional Internal Check Feature (PT) 5. Buna-N or EPDM Resilient Disc 6. AISI 316 Stainless Steel Seat 7. AISI 316 Stainless Steel Stem 8. NSF 61 Fusion Bonded Epoxy Coating

Main Valves Model 206-PT / 206-PTC / S206-PT / S206-PTC Reduced Port, Double Chamber Hydraulically Operated Valve Alternative Models Valve Sizes & Materials: Valve Materials Standard 316 Stainless Steel (limited sizes) B16 Brass / B62 Bronze / A536 Ductile Iron Available Sizes Valve Components 1. Valve Body, Cover 2. Seat Ring 3. Disc Retainer 4. Stem Buna-N / Viton (limited sizes) Buna-N / Viton (limited sizes) NSF61 Approved Fusion Bonded Epoxy - Thickness 8-10 mils (200-250 microns) Consult factory Valve(s) shall be a hydraulically operated globe (angle) valve. The inner valve assembly...

Main Valves Model 206-PT / 206-PTC / S206-PT / S206-PTC Reduced Port, Double Chamber Hydraulically Operated Valve • 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...

Main Valves Model 206-PT / 206-PTC / S206-PT / S206-PTC Reduced Port, Double Chamber Hydraulically Operated Valve Selection The 206-PT and 206-PTC valves operate by introducing or exhausting water from the upper and lower chambers at controlled rates. Since the operating chambers are separated from the flowing media, a positive and precise differential pressure can be established across the diaphragm. Valves are sized to provide an appropriate pressure drop for each application. Valves usually exhaust to atmosphere. Sizing is ultimately determined by the specific application. Refer to the...

Main Valves Model 206-PT / 206-PTC / S206-PT / S206-PTC Reduced Port, Double Chamber Hydraulically Operated Valve Valve Data (US Units) Size Flat Diaphragm System 3 in Globe Dimensions All figures shown in inches unless otherwise stated Angle Dimensions Center Inlet to Discharge Center Discharge to Inlet Center Inlet to Discharge Center Discharge to Inlet Center Inlet to Discharge Center Discharge to Inlet Common Dimensions (Globe & Angle) Width Height (To Stem Cap) Globe Height (To Stem Cap) Angle Body Port Tapping Cover Port Tapping Valve Stroke Displaced Bonnet Volume (Gallons)...

Valve Data (US Units) Size Rolling Diaphragm System 12 in Globe Dimensions All figures shown in inches unless otherwise stated. Center Inlet to Discharge Center Discharge to Inlet Center Inlet to Discharge Center Discharge to Inlet Center Inlet to Discharge Center Discharge to Inlet Angle Dimensions Common Dimensions (Globe & Angle) Width Height (To Stem Cap) Globe Height (To Stem Cap) Angle Body Port Tapping Cover Port Tapping Displaced Bonnet Volume (Gallons) Approximate Shipping Weight (Lbs) Intermittent (Globe) Momentary (Globe) Valve Stroke Flow Capacities (USGPM) Globe & Angle...

Main Valves Model 206-PT / 206-PTC / S206-PT / S206-PTC Reduced Port, Double Chamber Hydraulically Operated Valve ANSI Valve Data (Metric Units) Size Flat Diaphragm System 80 mm Globe Dimensions All figures shown in mm unless otherwise stated Center Inlet to Discharge Center Discharge to Inlet Center Inlet to Discharge Center Discharge to Inlet Center Inlet to Discharge Center Discharge to Inlet Angle Dimensions Common Dimensions (Globe & Angle) Width Height (To Stem Cap) Globe Height (To Stem Cap) Angle Body Port Tapping Cover Port Tapping Displaced Bonnet Volume (Litres) Approximate...

ANSI Valve Data (Metric Units) Size Rolling Diaphragm System 300 mm Globe Dimensions All figures shown in mm unless otherwise stated. Angle Dimensions Center Inlet to Discharge Center Discharge to Inlet Center Inlet to Discharge Center Discharge to Inlet Center Inlet to Discharge Center Discharge to Inlet Common Dimensions Globe Width Height (To Stem Cap) Globe Height (To Stem Cap) Angle Body Port Tapping Cover Port Tapping Valve Stroke Displaced Bonnet Volume (Litres) Approximate Shipping Weight (Kilograms) Flow Capacities (L/s) Globe Continuous (Globe) Intermittent (Globe) Momentary...

Main Valves Model 206-PT / 206-PTC / S206-PT / S206-PTC Reduced Port, Double Chamber Hydraulically Operated Valve ISO Valve Data (Metric Units) Size Flat Diaphragm System 80 mm Globe Dimensions All figures shown in mm unless otherwise stated Center Inlet to Discharge Center Discharge to Inlet Center Inlet to Discharge Center Discharge to Inlet Center Inlet to Discharge Center Discharge to Inlet Angle Dimensions Common Dimensions (Globe & Angle) Width Height (To Stem Cap) Globe Height (To Stem Cap) Angle Body Port Tapping Cover Port Tapping Displaced Bonnet Volume (Litres) Approximate...