| Features |
| - Split-body construction.
- Blowout-proof stem.
- Fully enclosed spiral wound graphite filled stainless body gasket available.
- Locking devices available.
- Live-loading available.
| | 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 A105 | ASTM A182 F316 | ASTM A105 | ASTM A350 LF2 | | 2 | Gasket | PTFE/304SS Spiral Wound W/Grophite | PTFE/304SS Spiral Wound W/Grophite | PTFE/304SS Spiral Wound W/Grophite | PTFE/304SS Spiral Wound W/Grophite | | 3 | Seat Ring | PTFE | PTFE | PTFE | PTFE | | 4 | Ball | ASTM A105/ENP | ASTM A182 F316 | ASTM A105/ENP | ASTM A182 F316 | | 5 | Plug | S.S. | S.S. | S.S. | S.S. | | 6 | Spring | S.S. | S.S. | S.S. | S.S. | | 7 | Stem | ASTM A182 F6a | ASTM A182 F316 | ASTM A182 F6a | ASTM A182 F316 | | 8 | Thrust Washer | PTFE | PTFE | PTFE | PTFE | | 9 | Packing | PTFE/Graphite | PTFE/Graphite | PTFE/Graphite | PTFE/Graphite | | 10 | Locking Plate | C.S. | S.S. | C.S. | S.S. | | 11 | Pin | C.S. | S.S. | C.S. | S.S. | | 12 | Nut | C.S. | S.S. | C.S. | S.S. | | 13 | Lever | Ductile lron | Ductile lron | Ductile lron | Ductile lron | | 14 | Stop plate | C.S. | S.S. | C.S. | S.S. | | 15 | Washer | C.S. | S.S. | C.S. | S.S. | | 16 | Nut | C.S. | S.S. | C.S. | S.S. | | 17 | Spring Washer | Alloy Steel | Alloy Steel | Alloy Steel | Alloy Steel | | 18 | Gland | ASTM A276 420 | ASTM A276 316 | ASTM A276 420 | ASTM A276 316 | | 19 | Closure | ASTM A105 | ASTM A182 F316 | ASTM A105 | ASTM A350 LF2 | | 20 | Nut | ASTM A194 2H | ASTM A194 8 | ASTM A194 2HM | ASTM A194 7M | | 21 | Stud | ASTM A193 B7 | ASTM A193 B8 | ASTM A193 B7M | ASTM A320 L7M |
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| | Full Port | Reduced Port | | Dimensions(Class 600) | | Full Port | Size(in) | 1/2 | 3/4 | 1 | 1-1/2 | 2 | 3 | | D(mm) | 13 | 19 | 25 | 38 | 51 | 76 | | L(mm) | 165 | 190 | 216 | 241 | 292 | 356 | | H(mm) | 98 | 103 | 122 | 135 | 151 | 177 | | W(mm) | 140 | 140 | 170 | 260 | 300 | 450 | | Weight(Kg) | 3 | 4.8 | 6.5 | 12 | 15 | 28 | | Reduced Port | Size(in) | 1/2*1/4*1/2 | 3/4*1/2*3/4 | 1*3/4*1 | 2*1-1/2*2 | 2*1-1/2*2 | 3*2*3 | | d(mm) | 7 | 13 | 19 | 25 | 38 | 51 | | D(mm) | 13 | 19 | 25 | 38 | 51 | 76 | | L(mm) | 165 | 190 | 216 | 241 | 292 | 356 | | H(mm) | 68 | 98 | 103 | 122 | 135 | 151 | | W(mm) | 140 | 140 | 140 | 170 | 260 | 300 | | Weight(Kg) | 2.8 | 3.2 | 5.5 | 7.1 | 12.8 | 16.8 |
| | Dimensions(Class 900) | | Full Port | Size(in) | 1/2 | 3/4 | 1 | 1-1/2 | 2 | 3 | | D(mm) | 13 | 19 | 25 | 38 | 51 | 76 | | L(mm) | 216 | 229 | 254 | 305 | 368 | 381 | | H(mm) | 122 | 115 | 123 | 157 | 178 | 208 | | W(mm) | 160 | 230 | 230 | 400 | 400 | 500 | | Weight(Kg) | 4.2 | 9.6 | 13.8 | 21.8 | 39 | 58 | | Reduced Port | Size(in) | 1/2*1/4*1/2 | 3/4*1/2*3/4 | 1*3/4*1 | 2*1-1/2*2 | 2*1-1/2*2 | 3*2*3 | | d(mm) | 7 | 13 | 19 | 25 | 38 | 51 | | D(mm) | 13 | 19 | 25 | 38 | 51 | 76 | | L(mm) | 216 | 229 | 254 | 305 | 368 | 381 | | H(mm) | 120 | 122 | 115 | 123 | 157 | 178 | | W(mm) | 160 | 160 | 230 | 230 | 400 | 400 | | Weight(Kg) | 5.6 | 6.8 | 12 | 16.5 | 24 | 56 |
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