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Check Valves- Bolted Bonnet- Full & Standard Port
Standard Part Numbers - Forged Steel Valves
Design construction:
ASME B16.34 - BS 5352
Testing according to API 598
Marking MSS SP25
Spring on request only
Spiral-wound gasket
Integral backseat
Socket Weld Ends to ASME B16.11
Screw Ends (NPT) to ASME B1.20.1
Butt Welding Ends to ASME B16.25
ASME B16.34 - BS 5352
Testing according to API 598
Marking MSS SP25
Spring on request only
Spiral-wound gasket
Integral backseat
Socket Weld Ends to ASME B16.11
Screw Ends (NPT) to ASME B1.20.1
Butt Welding Ends to ASME B16.25
Ratings:
- - carbon steel class 800
- 1975 psig @ 100°F
- 138 bar + 38°C
- carbon steel class 1500
- 3705 psig @ 100°F
- 255 bar + 38°C
Unit of Measure
Items |
1/2" HL-41-T PISTON Check Valves- Bolted Bonnet- Full & Standard Port |
1/2" HL-41-T PISTON SL Check Valves- Bolted Bonnet- Full & Standard Port |
3/4" HL-41-SW PISTON Check Valves- Bolted Bonnet- Full & Standard Port |
3/4" HL-41-T PISTON Check Valves- Bolted Bonnet- Full & Standard Port |
3/4" HL-41-T PISTON SL Check Valves- Bolted Bonnet- Full & Standard Port |
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Size | N/A 1/2 | N/A 1/2 | N/A 3/4 | N/A 3/4 | N/A 3/4 | |||||
Connection Type | N/A Threaded | N/A Threaded | N/A Socket Weld | N/A Threaded | N/A Threaded | |||||
Material | N/A A 105, Trim F6/HF | |||||||||
Seat Material | N/A INTEGRAL HF | |||||||||
Class | N/A 800 | |||||||||
Weight | N/A 2.75 lb | N/A 2.75 lb | N/A 3.5 lb | N/A 3.5 lb | N/A 3.5 lb | |||||
Operating Temperature | N/A 100 ºF | |||||||||
Operating Pressure | N/A 1975 psi | |||||||||
Cv Coefficient | N/A 3.2 | N/A 2.8 | N/A 4.1 | N/A 4.1 | N/A 3.6 | |||||
Body/Bonnet Bolt Torques | N/A 20 ft/lb | |||||||||
A | N/A 3.54 in | N/A 3.54 in | N/A 4.33 in | N/A 4.33 in | N/A 4.33 in | |||||
B | N/A 2.36 in | N/A 2.36 in | N/A 3.07 in | N/A 3.07 in | N/A 3.07 in | |||||
F | N/A .51 in | N/A .51 in | N/A .69 in | N/A .69 in | N/A .69 in | |||||
G | N/A 1.50 in | N/A 1.50 in | N/A 1.89 in | N/A 1.89 in | N/A 1.89 in | |||||
Inlet End Type | N/A Threaded | N/A Threaded | N/A Socket Weld | N/A Threaded | N/A Threaded | |||||
Inlet End Size | N/A 1/2 | N/A 1/2 | N/A 3/4 | N/A 3/4 | N/A 3/4 | |||||
Outlet End Type | N/A Threaded | N/A Threaded | N/A Socket Weld | N/A Threaded | N/A Threaded | |||||
Outlet End Size | N/A 1/2 | N/A 1/2 | N/A 3/4 | N/A 3/4 | N/A 3/4 | |||||
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