4 in. Ductile Iron Flanged EPDM Wheel Handle Butterfly Valve
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Henry Pratt
HP 250™ 4 in. Ductile Iron Flanged EPDM Wheel Handle Butterfly Valve
Purchase history
Henry Pratt
HP 250™
4 in. Ductile Iron Flanged EPDM Wheel Handle Butterfly Valve
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Product Details
- Valve body - Valve body shall be constructed of ductile iron ASTM A-536. End connections shall be ANSI Class 250 with 250# drilling pattern
- Valve disc - Disc shall be made from ductile iron ASTM A-536. Discs shall be furnished with 316 stainless steel seating edge to mate with the rubber seat
- General - Valves shall be manufactured with a 250 psi rating. The valves shall be capable of operating at pressures of 250 psi. Valves shall be Henry Pratt Model HP250TM as manufactured by the Henry Pratt company
- The traveling nut shall engage alignment grooves in the housing. The actuators shall have a built in packing leak bypass to eliminate possible leakage into the actuator housing
- Valve bearings - Valve bearings shall be sleeve type that is corrosion resistant and self-lubricating
- Valve actuators - Valve actuators shall be fully grease packed and have stops in the open/closed position. The actuator shall have a mechanical stop which will withstand an input torque of 450 ft./lbs. against the stop.
- Valve shafts - Shafts shall be stainless steel ASTM A-564 Type 630 condition H-1150. Stub shafts or through shafts are acceptable. Shaft seals shall be standard self-adjusting split “V” type packing. Shaft seals shall be of a design allowing replacement without removing the valve shaft
- Valve Seat - Valve seat shall be Buna-N rubber located on the valve body
- Testing - All valves shall be hydrostatic and leak tested. The leak test shall be performed at a differential pressure of 250 psi with the disc in a closed position. In a slightly open position, internal hydrostatic pressure equal to 500 psi shall be applied to the inside of the valve body for five minutes
- Painting - Valve interior and exterior surfaces except for seating shall be coated with two coats of epoxy paint in accordance with TT-C-494A and AWWA C504 latest edition
Specifications
- ANSI:
- ANSI Class 250
- ASTM:
- ASTM A-536, ASTM A-564 Type 630
- AWWA:
- AWWA C-504 Class 250B
- Clean Bagged:
- No
- Coating:
- Epoxy
- Collection:
- HP 250™
- End Connection 1:
- Flanged
- End Connection 2:
- Flanged
- End Connections:
- Flanged
- FM Approved:
- No
- IAPMO Listed -:
- No
- Material:
- Ductile Iron, Rubber
- Material Type:
- EPDM
- NSF Certified:
- No
- Pressure - High:
- 250
- Pressure Class:
- 125#, 250#
- UL Listed:
- No
- Valve Body Material:
- Ductile Iron
- Valve Body Style:
- Flanged
- Valve Disc Material:
- Ductile Iron
- Valve Operator:
- Wheel Handle
- Valve Seat Material:
- EPDM
- Valve Size:
- 4 in
- Valve Type:
- Butterfly Valve