1. Design and Manufacture
API 602, BS5352,ASME B16.34
2. Connection end
Socket Weld End(SW):ASME B16.11
Threaded End(NPT):ASME B1.20.1
Butt-Weld End(BW):ASME B16.25
Flange End(RF/RTJ):ASME B16.5
3. Test & Inspection
API 602, API 598
4. Design Description
Bolted Bonnet(BB),
Welded Bonnet(WB),
Outside Screw and Yoke(OS&Y)
5. Main Materials:
A105,LF2,F5,F11,F22,
304(L),316(L),F347,F321,
F51,Alloy 20, Monel
Part Material and Main parameters

| Nominal diameter(in) | NPS 1/2-8 |
| Nominal pressure(Mpa) | Class150-Class600 |
| | | | MATERIAL |
| | NO | PART NAME | CARBON STEEL | STAINESS STELL |
| Material of parts | 1 | Body | ASTM A216 WCB | ASTM A351 CF8 | ASTM A351 CF8M | ASTM A351 CF3 | ASTM A351 CF3M |
| | 2 | Stud | A193 B7M | A320 B8 | A320 B8M | A320 B8 | ASTM A182 B8M |
| | 3 | Ball | ASTMA105.ENP | ASTMA182 304 | ASTMA182 316 | ASTMA182 304L | ASTM A182 316L |
| | 4 | Seat | PTFE/NYLON/PEEK/PPL |
| | 5 | Anti-fire gasket | SST+Graphite |
| | 6 | Bonnet | ASTMA105 | ASTMA182 304 | ASTMA182 316 | ASTMA182 304L | ASTM A182 316L |
| | 7 | Anti-static valve | Combined parts | Combined parts | Combined parts | Combined parts | Combined parts |
| | 8 | Stem | ASTM A 182 F6a | ASTM A182 304 | ASTMA182 316 | ASTMA182 304L | ASTM A182 316L |
| | 9 | Thrust bearing | PTFE |
| | 10 | Sliding bearing | PTFE |
| | 11 | O-ring | VITON |
| | 12 | Anti-fire gasket | SST+Graphite |
| | 13 | Seal gland | ASTM A105.ENP | ASTMA182 304 | ASTMA182 316 | ASTMA182 304L | ASTM A182 316L |
| | 14 | Socket head cap screw | A197 B7M | A320 B8 | A320 B8M | A320 B8 | A320 B8M |
| | 15 | Packing | Graphite |
| | 16 | Packing bushing | ASTM A 182 F6a | ASTM A182 304 | ASTMA182 316 | ASTMA182 304L | ASTM A182 316L |
| | 17 | Packing gland | ASTM A 182 F6a | ASTM A 182 F6a | ASTM A 182 F6a | ASTM A 182 F6a | ASTM A 182 F6a |
| | 18 | Anti-fire packing | SST+Graphite |
| | 19 | Socket head cap screw | A197 B7M | A320 B8 | A320 B8M | A320 B8 | A320 B8M |
| | 20 | Retainer ring | 65Mn | 65Mn | 65Mn | 65Mn | 65Mn |
| | 21 | Hexagon nut | A194-2HM | A194-8 | A194-8M | A194-8 | A194-8M |
| Applicalbe service conditions | Applicable media | Water steam,oil,gas,liquefied gas,natural gas,etc | Nitric acidAcetic acid | Acetic acid | Strong Oxidizer | Urea |
| Applicalbe temperature | 120℃(PTFE).≤80℃(NYLON),≤250℃(PEEK), ≤250℃(PPL) |
| Design and manufacturing | API 608,API6D |
| Face-to face dimensions | ASME B16.10, API 6D |
| Type of connection | Flange | ASME B16.5/ASME B16.47 | Bult welding | ASME B16.25 |
| Pressure test | API598. API6D |
| Transmission mode | Manual, worm and worm gear transmission, pneumatic, electric |
Dimensions data(mm)
| Pressure rating | Nominal Diameter | d | Flange | Bult welding | Raised face flange | W | cast steel | forged steel | Weight(kg) |
| Class | NPS | DN | L(RF) | L(RTJ) | L(BW) | D | D1 | D2 | f | b | N-Φd | H | H | cast steel | forged steel |
| 150 | 1/2'' | 15 | 13 | 108 | / | 140 | 90 | 60.5 | 35 | 2 | 9 | 4-Φ16 | 140 | 80 | 78 | 2 | △ |
| 3/4'' | 20 | 19 | 117 | / | 152 | 100 | 70 | 43 | 2 | 10 | 4-Φ16 | 140 | 86 | 82 | 2.5 | △ |
| 1'' | 25 | 25 | 127 | / | 165 | 110 | 79.5 | 51 | 2 | 11 | 4-Φ16 | 140 | 98 | 95 | 3.5 | △ |
| 1 1/4'' | 32 | 32 | 140 | / | 178 | 115 | 89 | 64 | 2 | 11 | 4-Φ16 | 180 | 106 | 100 | 6.5 | △ |
| 1 1/2'' | 40 | 38 | 165 | / | 190 | 125 | 98.5 | 73 | 2 | 13 | 4-Φ16 | 180 | 133 | 128 | 7.5 | △ |
| 2'' | 50 | 50 | 178 | 191 | 216 | 150 | 120.5 | 92 | 2 | 14.5 | 4-Φ19 | 200 | 138 | 137 | 9 | △ |
| 3'' | 80 | 75 | 203 | 216 | 283 | 190 | 152.5 | 127 | 2 | 17.5 | 4-Φ19 | 300 | 175 | 148 | 19 | △ |
| 4'' | 100 | 100 | 229 | 241 | 305 | 230 | 190.5 | 157 | 2 | 22.5 | 8-Φ19 | 650 | 235 | 223 | 36 | △ |
| 6'' | 150 | 150 | 394 | 406 | 457 | 280 | 214.5 | 216 | 2 | 24 | 8-Φ22 | 800 | 285 | 278 | 78 | △ |
| 8'' | 200 | 201 | 457 | 470 | 521 | 345 | 295.5 | 270 | 2 | 27 | 8-Φ22 | 1000 | 342 | 336 | 160 | △ |
| 300 | 1/2'' | 15 | 13 | 140 | / | 140 | 95 | 66.5 | 35 | 2 | 13 | 4-Φ16 | 140 | 80 | 78 | 2.5 | △ |
| 3/4'' | 20 | 19 | 152 | / | 152 | 115 | 82.5 | 43 | 2 | 14.5 | 4-Φ19 | 140 | 86 | 82 | 3.6 | △ |
| 1'' | 25 | 25 | 165 | / | 165 | 125 | 89 | 51 | 2 | 16 | 4-Φ19 | 140 | 98 | 95 | 5 | △ |
| 1 1/4'' | 32 | 32 | 178 | / | 178 | 135 | 98.5 | 64 | 2 | 17.5 | 4-Φ19 | 180 | 106 | 100 | 8.5 | △ |
| 1 1/2'' | 40 | 38 | 190 | / | 190 | 155 | 114.5 | 73 | 2 | 19.5 | 4-Φ22 | 180 | 133 | 128 | 10 | △ |
| 2'' | 50 | 50 | 216 | 232 | 216 | 165 | 127 | 92 | 2 | 21 | 8-Φ19 | 200 | 138 | 137 | 12 | △ |
| 3'' | 80 | 75 | 283 | 298 | 293 | 210 | 168.5 | 127 | 2 | 27 | 8-Φ22 | 300 | 175 | 148 | 28 | △ |
| 4'' | 100 | 100 | 305 | 321 | 305 | 255 | 200 | 157 | 2 | 30.5 | 8-Φ22 | 650 | 235 | 223 | 46 | △ |
| 6'' | 150 | 150 | 403 | 419 | 457 | 320 | 270 | 216 | 2 | 35 | 12-Φ22 | 800 | 285 | 278 | 104 | △ |
| 8'' | 200 | 201 | 502 | 518 | 521 | 380 | 330 | 270 | 2 | 40 | 12-Φ25 | 1000 | 342 | 336 | 208 | △ |
| 600 | 1/2'' | 15 | 13 | 165 | / | 165 | 95 | 66.5 | 35 | 7 | 14.5 | 4-Φ16 | 140 | 78 | 68 | 5 | △ |
| 3/4'' | 20 | 19 | 190 | / | 190 | 115 | 52.5 | 43 | 7 | 16 | 4-Φ19 | 140 | 80 | 76 | 7 | △ |
| 1'' | 25 | 25 | 216 | / | 216 | 125 | 89 | 51 | 7 | 17.5 | 4-Φ19 | 180 | 110 | 106 | 9 | △ |
| 1 1/4'' | 32 | 32 | 229 | / | 229 | 135 | 98.5 | 64 | 7 | 21 | 4-Φ19 | 200 | 115 | 110 | 13 | △ |
| 1 1/2'' | 40 | 38 | 241 | / | 241 | 155 | 114.5 | 73 | 7 | 22.5 | 4-Φ22 | 250 | 135 | 128 | 17 | △ |
| 2'' | 50 | 50 | 292 | 295 | 292 | 165 | 127 | 92 | 7 | 26 | 8-Φ19 | 300 | 152 | 140 | 21 | △ |
| 3'' | 80 | 75 | 356 | 359 | 356 | 210 | 168.5 | 127 | 7 | 32 | 8-Φ22 | 650 | 224 | 213 | 43 | △ |
| 4'' | 100 | 100 | 432 | 435 | 432 | 275 | 216 | 157 | 7 | 38.5 | 8-Φ25 | 800 | 248 | 238 | 85 | △ |
Please consult the factory:
Note:The weight value is only for flanged valve.Please consult our factory for higher nominal diameter or weight.Any ,modification to size H,H1 and weight will not be notified otherwise.