300lb SWING CHECK VALVE
Our Class 300 swing check valve is engineered for high-pressure piping systems where dependable backflow prevention and structural durability are paramount. Built to rigorous industry standards, this heavy-duty valve features a reinforced cast body with substantial wall thickness, designed to handle elevated operating pressures and thermal stresses with confidence.
Overview
Application : Class 300 swing check valves are specified for high-pressure and high-temperature process lines where lower-pressure class valves cannot safely operate. They are the workhorse of heavy industrial facilities that handle pressurized fluids at elevated temperatures.
Material Specification:
Body/bonnet | Cover | Disc | Seat | Hinge Pin | Bolt | Nut | Gasket |
Wcb | WCB | WCB | A105 | 410 | B7 | 2h | Flexible Graphite+304 |
Cf8 | CF8 | CF8 | F304 | F304 | B8 | 8 | Flexible Graphite+304 |
Cf8m | CF8M | CF8M | F613 | F316 | B8 | 8 | Flexible Graphite+304 |
B62 | B62 | B62 | B62 | B62 | B8 | 8 | Flexible Graphite+304 |
Technical Specification:
Design and manufacture: BS1868
Face to face: ASME B16.10
Flange ends:ASME B16.5
Test & Inspection:API 598
Perfomance Specification:
Nominal Pressure(lb) | Shell Test(mpa) | Sealing Test | Suitable Temp(℃) | Suitable Medium |
300 |
7.5 |
5.5 | CS : -29~425 SS : -59~540 Cu : -40~250 | Water Gas Oil |
Drawing:
Dimensions:
NPS | 2” | 21/2” | 3” | 4” | 5” | 6” | 8” | 10” | 12” | 14” | 16” | 18” | 20” | 24” |
DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
L | 267 | 292 | 318 | 356 | 400 | 444 | 533 | 622 | 711 | 838 | 864 | 978 | 1016 | 1346 |
H | 158 | 167 | 188 | 259 | 281 | 319 | 401 | 483 | 555 | 585 | 615 | 643 | 681 | 760 |
