| Features | | - Uni-body construction.
- Stem bearings reduce side thrust.
- Blowout-proof stem.
- Fully enclosed spiral wound graphite filled stainless body gasket available.
- Locking devices available.
- Live-loading avaiable.
| | Standards | - Basic design:API608、BS 5351
- Flanged ends:ASME B16.5
- Face to face:ASME B16.10
- Inspection and test :API 598
| | Series YQ material specifications | | | No.. | Parts | Standard | Stainless Steel | Sour Service | Low Temperature Service | | 1 | Body | ASTM A216 WCB | ASTM A351 CF8M | ASTM A216 WCB | ASTM A352 LCB | | 2 | Seat ring | R-PTFE | R-PTFE | R-PTFE | R-PTFE | | 3 | Ball | ASTM A105/ENP | ASTM A182 F316 | ASTM A105/ENP | ASTM A182 F316 | | 4 | Plug | S.S. | S.S. | S.S. | S.S. | | 5 | Spring | S.S. | S.S. | S.S. | S.S. | | 6 | Washer | PTFE | PTFE | PTFE | PTFE | | 7 | Packing | PTFE/Graphite | PTFE/Graphite | PTFE/Graphite | PTFE/Graphite | | 8 | Stem | ASTM A182 F6a | ASTM A182 F316 | ASTM A182 F6a | ASTM A182 F316 | | 9 | Gland | ASTM A276 420 | ASTM A276 316 | ASTM A276 420 | ASTM A276 316 | | 10 | Gland flang | ASTM A216 WCB | ASTM A351 CF8M | ASTM A216 WCB | ASTM A352 LCB | | 11 | Gauge block | C.S. | S.S. | C.S. | S.S. | | 12 | Lever | Ductile lron | Ductile lron | Ductile lron | Ductile lron | | 13 | Bolt | ASTM A193 B7 | ASTM A193 B8 | ASTM A193 B7M | ASTM A320 L7M | | 14 | Retaining ring | C.S. | S.S. | C.S. | S.S | | 15 | Gasket | PTFE | 316+Graphite | PTFE | PTFE | | 16 | Closure | ASTM A216 WCB | ASTM A351 CF8M | ASTM A216 WCB | ASTM A352 LCB | | 17 | Gasket | Graphite | Graphite | Graphite | Graphite |
| | | | | | | NPS1/2"-2" | NPS3"-10" | | | Dimensions(Class 150) | | | | Size(in) | 1/2 | 3/4 | 1 | 1-1/2 | 2 | 2-1/2 | 3 | 4 | 6 | 8 | 10 | | d(mm) | 9.5 | 12.7 | 19 | 30 | 38 | 51 | 64 | 76 | 114 | 144 | 187 | | D(mm) | 12.7 | 19 | 25.4 | 38 | 51 | 64 | 76 | 102 | 152 | 203 | 254 | | L(mm) | 108 | 117 | 127 | 165 | 178 | 191 | 203 | 229 | 267 | 292 | 330 | | H(mm) | 54 | 59 | 64 | 90 | 102 | 112 | 121 | 166 | 208 | 246 | 303 | | W(mm) | 140 | 140 | 160 | 160 | 260 | 260 | 260 | 320 | 400 | 300 | 400 | | Weight(Kg) | 2.1 | 3 | 4.1 | 6.5 | 9 | 11.2 | 15.3 | 28.6 | 53 | 81 | 150 |
| | | Dimensions(Class 300) | | | | Size(in) | 1/2 | 3/4 | 1 | 1-1/2 | 2 | 2-1/2 | 3 | 4 | 6 | 8 | 10 | | d(mm) | 9.5 | 12.7 | 19 | 30 | 38 | 51 | 64 | 76 | 114 | 144 | 187 | | D(mm) | 12.7 | 19 | 25.4 | 38 | 51 | 64 | 76 | 102 | 152 | 203 | 254 | | L(mm) | 140 | 152 | 165 | 190 | 216 | 241 | 283 | 305 | 403 | 419 | 457 | | H(mm) | 54 | 59 | 64 | 90 | 102 | 112 | 121 | 166 | 208 | 246 | 303 | | W(mm) | 140 | 140 | 160 | 160 | 260 | 260 | 260 | 320 | 300 | 300 | 400 | | Weight(Kg) | 2.8 | 3.6 | 4.9 | 10.4 | 10 | 16.1 | 23 | 39.5 | 82 | 124 | 206 |
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