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DESIGN FEATURES
♦ Bolted Bonnet Cap (BB)
♦ Swing type, anti-rotation disc
♦ Renewable seat rings
♦ Non-penetrate disc shaft
♦ Horizontal or vertical service
♦ Flanged or butt welding ends
♦ Seat types
The seat is either threaded or welded on the body. The threaded seat is easy for disassemble, maintenance and replacement; the welded type seat is good for sealing without any leakage. For the stainless steel check valve, the sealing surface is machined and finished directly from the body.
MATERIAL OF MAIN PARTS
Part | CS. Series | SS. Series | LCB Series | WC6 Series | |
Body & Bonnet | WCB | CF8, CF3 | CF8M, CF3M | LCB | WC6 |
Disc | A105/WCB | CF8, CF3 | CF8M, CF3M | LF2/LCB | A182 F11 |
Seat | A105 | F304, F304L | F316, F316L | LF2 | A182 F11 |
Sealing surface | 13Cr/13Cr,HF/HF 13Cr/HF | HF/HF | HF/HF | 13Cr/13Cr 13Cr/HF | HF/HF |
Arm | WCB | CF8, CF3 | CF8M, CF3M | LCB | WC6 |
Hinge | WCB | CF8, CF3 | CF8M, CF3M | LCB | WC6 |
Hinge pin | A276-420 | F304, F304L | F316, F316L | A276-420 | F304 |
Disc washer | CS | CF8, CF3 | CF8M, CF3M | CS | F304 |
Disc nut | CS | F304, F304L | F316, F316L | CS | A194-16 |
Disc nut pin | CS | CF8, CF3 | CF8M, CF3M | CS | A276-420 |
Bonnet Gasket | Spiral wound(304+Graphite) | ||||
Bonnet Stud | A193-B7 | A193-B8 | A193-B8/B8M | A320-L7 | A193-B16 |
Bonnet Nut | A194-2H | A194-8 | A194-8/8M | A194-7 | A194-4 |
Product Range
-Valve size:
2” ~ 36” (DN50-DN900)
-Pressure:
ANSI Class 150~2500(PN16-PN420)
-Temperature:
-196℃~ 500℃
-Body Materials:
Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
-Trim (Disc/Stem):
Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel
Technical Specifications
-Design: ASME 16.34/ API 6D/ API 600/ BS 1868
-Face to Face: ASME B16.10
-End Flange: ASME B16.5, ASME B16.47
-BW End: ASME B16.25
-Test: API 598/API 6D/ BS 6755
-Special: NACE MR-01-75
Design Features
-Bolted Bonnet
-Swing Type Disc
-6"& larger with Eye Bolt
-Disc Assembly Hinged From Bottom of Cover
-Metal/Renewable Disc Available
-Confined Bonnet Gasket
-Flanged, Butt Weld, Threaded and Socket Weld End Connections Available
-By Pass on request
-Lever & Weight Optional
PPLICABLE STANDARDS | |
---|---|
Mfg. Std. | BS 1868 |
Face to face | ASME B 16.10 |
Testing Std. | BS 6755 / API 598 |
HYDRAULIC TEST PRESSURE | ||
---|---|---|
Class | Body | Seat |
150 | 425 PSIG | 300 PSIG |
300 | 1100 PSIG | 800 PSIG |
SIZE | A | B | C | D | E | F | G |
---|---|---|---|---|---|---|---|
25 | 127 | 14 | 51 | 108 | 79 | 4 | 16 |
40 | 165 | 14 | 73 | 127 | 98 | 4 | 16 |
50 | 203 | 16 | 92 | 152 | 121 | 8 | 19 |
65 | 216 | 17.5 | 105 | 178 | 139.5 | 8 | 22 |
80 | 241 | 19 | 127 | 190 | 152.5 | 8 | 22 |
100 | 292 | 24 | 157 | 229 | 190.5 | 8 | 22 |
150 | 356 | 25.4 | 216 | 289 | 241.5 | 8 | 22 |
200 | 495 | 29 | 270 | 343 | 298.5 | 12 | 22 |
250 | 622 | 30 | 324 | 406 | 362 | 12 | 25 |
300 | 698 | 32 | 381 | 483 | 432 | 16 | 28 |
SIZE | A | B | C | D | E | F | G |
---|---|---|---|---|---|---|---|
25 | 203 | 17 | 51 | 124 | 89 | 4 | 19 |
40 | 229 | 20 | 73 | 155 | 114 | 4 | 22 |
50 | 267 | 22 | 92 | 165 | 127 | 8 | 19 |
65 | 292 | 25.4 | 105 | 190 | 149.5 | 8 | 22 |
80 | 318 | 29 | 127 | 210 | 168 | 8 | 22 |
100 | 356 | 32 | 157 | 254 | 200 | 8 | 22 |
150 | 444 | 37 | 216 | 318 | 270 | 12 | 22 |
200 | 533 | 41 | 270 | 381 | 330 | 12 | 25 |
250 | 622 | 48 | 324 | 444 | 387 | 16 | 29 |
300 | 711 | 51 | 381 | 521 | 451 | 16 | 32 |