Industrial Valves for Fluid Isolations & Regulation
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Cast
Steel Check Valves
FOURESS
ASME class 150, 300 and 600 Cast Carbon Steel Check Valves, bolted
cover, (swing type hinged disc for Swing Check Valve and Plug type disc for Lift
Check Valve) disc and seat ring of 13% Cr. facing / 13% Cr. steel end flanges in
accordance with ANSI B16.5 conforming to BS 1868.
Product Range
| Type | Size From | #150 Up to | #300 Up to | #600 Up to | #900 Up to | #1500 Up to |
| GLOBE | 2” | 20” | 16” | 12” | 6” | 4” |
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| No | COMPONENTS |
CAST CARBON STEEL |
CAST ALLOY STEEL |
CAST STAINLESS STEEL |
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| 1 | BODY / BONNET / COVER |
ASTM A 216 Gr. WCB |
ASTM A 217C-5, WC6, WC9, WC12 |
ASTM A 351Gr. CF8 |
ASTM A 351Gr. CF8M |
| 2 | SEAT RING |
13% CR. STEEL/13% Cr. HARD FACE |
AISI 304/ASTM A351 Gr. CF8
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AISI 316/ASTM A351 Gr. CF8M |
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| 3 | DISC/WEDGE | ||||
| 4 | STEM/SPINDLE |
AISI 410 |
AISI 304 | AISI 316 | |
| 5 | BONNET/COVER STUD | ASTM A 193 Gr. B7 | ASTM A 194 Gr. 8 | ASTM A 194 Gr. 8M | |
| 6 | BONNET/COVER STUD NUT | ASTM A 194 Gr. 2H | ASTM A 194 Gr. 2H | ASTM A 194 Gr. 8 | ASTM A 194 Gr. 8M |
| 7 | GASKET |
CAF/SPIRAL WOUND METALLIC SS 304/SS 316 FILLED WITH ASBESTOS |
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| 8 | BONNET BUSH |
AISI 410 |
AISI 304 | AISI 316 | |
| 9 | PACKING |
MACHINE BRAIDED METALLIC REINFORCED ASBESTOS |
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| 10 | GLAND BUSH | AISI 410 | AISI 304 | AISI 316 | |
| 11 | GLAND FLANGE | CARBON STEEL | ASTM A 351Gr. CF8 /AISI 304 |
ASTM A 351Gr. CF8M /AISI 316
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| 12 | YOKE SLEEVE |
NI-RESIST NODULAR CAST IRON - ASTM A 439 Gr. D-2 |
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| 13 | YOKE BUSH |
CARBON STEEL CARBON STEEL (Plated) |
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| 14 | HANDWHEEL |
MILLEABLE IRON/STEEL |
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Testing Details
| Material | Class | Hydrostatic Test | Air Seat Test | Hydrostatic Seat Test | |
| Shell (PSIG) | Seat (PSIG) | (PSIG) Test | Low Pr. | ||
| A 216 Gr. WCB & A 217 C-5 |
150 300 600 |
450 1125 2250 |
315 825 1650 |
80-100 80-100 80-100 |
78.75 203.75 407.50 |
| A 315 CF8 & A315 CF8M |
150 300 600 |
425 1100 2175 |
305 800 1600 |
80-100 80-100 80-100 |
65 169 326.25 |