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Bronze Swing Check Valve Threaded 5451
GALA Regulating System Check Valves
Specification
MSS SP-80
Screwed Cap • Swing Type Disc • Integral Seat
Threaded to BS 21 (ISO7) / ASME B1.20.1 / NPT
Size Range: 15mm(1/2")~100mm(4")
Pressure Ratings
| Working Pressure | 300 psi (20.7 bar) WOG Non-Shock 150 psi (10.3 bar) Saturated Steam |
| Testing Pressure | Shell: 450 psi (31 bar) Hydrostatic Seat: 330 psi (22.7 bar) Hydrostatic) 80 psi (5.5 bar) Air |
| Suitable Media | Water, Oil, Gas |
Material List
| Part Name | Material | ASTM | BS |
| Body | Bronze (Gunmetal) | B62 C83600 | 1400 LG2 |
| Cap | Bronze (Gunmetal) | B124 C83600 | 1400 LG2 |
| Disc | Brass | B124 C38800 | 2874 CZ122 |
| Hinge Pin | Brass Pin | B124 C38800 | 2874 CZ122 |
| Gasket | Non-Asbestos |
Dimension
| DN | mm inch | 15 1/2 | 20 3/4 | 25 1 | 32 1-1/4 | 40 1-1/2 | 50 2 | 65 2-1/2 | 80 3 | 100 4 |
| L | 58 | 66 | 76 | 88 | 96 | 112 | 136 | 147 | 180 | |
| H | 37 | 43 | 49 | 57.5 | 63 | 72 | 85 | 93 | 110 |
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