硬密封V型球阀采用板簧加载的可动阀座结构，阀座与球芯不会产生卡阻或脱离等问题，密封可靠，适用寿命长。
硬密封V型球阀主要零件材料：
| 序号NO | 材料标准Material零件名称
Nameof parts | 材料牌号Stamdard | ||||
| 碳钢Carbon Steel | 不锈钢Stainless Steel | |||||
| GB | ASTM | GB | ASTM | |||
| 01 | 双头螺母Stud | 35CrMoA | A193-B7 | 1Cr17Ni2 | A193-B8M | |
| 02 | 螺母Nut | 45 | A194-2H | OCr18Ni | A194-8M | |
| 03 | 底盖Lower cover | 25 | A105 | 1Cr18Ni9Ti1Cr18Ni12Mo2Ti | F304/F316/F304L/F316L | |
| 04 | 垫圈Gasket | 氟橡胶；PTFE;金属夹石墨Viton ; PTFE; Me backed graphite | ||||
| 05 | 止推轴承Lover stem | 金属夹PTFEMe backed graphite | ||||
| 06 | 下阀杆轴承Lover stembearing | 金属夹PTFEMe backed graphite | ||||
| 07 | 下阀杆Lover stem | 2Cr13 | A276-410 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | F304/F316/F304L/F316L | |
| 08 | 球体Ball | ZG1Cr18Ni9Ti渗氮 | CF8渗氮 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti渗氮 | F304/F316/F304L/F316L渗氮 | |
| 09 | 阀体Body | WCB | A216-WCB | ZG1Cr18Ni9Ti/ZG1Cr18NI12Mo2TI | CF8/CF8M/CF3/CF3M | |
| 10 | 阀座O型圈Seat”O”ring | 氟橡胶Viton | ||||
| 11 | 阀座Seat | 2Cr13渗氮 | A276-410 | 1Cr18Ni9Ti1Cr18Ni12Mo2Ti渗氮 | F304/F316/F304L/F316L渗氮 | |
| 12 | 球阀键Body key | 40Cr | 1Cr17Ni2 | |||
| 13 | 上阀杆轴承Stem bearing | PTFE;PPL | ||||
| 14 | 阀杆填料Stem packing | 石墨 Graphite | ||||
| 15 | 填料压环Packing ring | 2Cr13 | A276-410 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti渗氮 | F304/F316/F304L/F316L | |
| 16 | 填料压盖Stuffing gland | WCB | A216-WCB | ZG1Cr18Ni9TiZG1Cr18NI12Mo2TI | CF8/CF8M/CF3/CF3M | |
| 17 | 螺钉Bolt | 35CrMoA | A193-B7 | 1Cr17Ni2 | A193-B8M | |
| 18 | 支架Yoke | WCB | ||||
| 19 | 上阀杆Stem | 2Cr13 | A276-410 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | F304/F316/F304L/F316L | |
| 20 | 键Key | 40Cr | 1Cr17Ni2 | |||
连接尺寸：
PN1.6MPa主要连接尺寸及重量
| 公称通径DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 400 | 500 | |
| L | 124 | 145 | 165 | 194 | 210 | 229 | 243 | 297 | 338 | 520 | 600 | |
| H | 102 | 114 | 127 | 152 | 184 | 219 | 273 | 360 | 395 | 470 | 580 | |
| 手动Manual operated | H1 | 107 | 125 | 152 | 178 | 300 | 330 | 398 | 495 | 580 | 670 | 840 |
| E | - | - | - | - | - | - | 116 | 116 | 171 | 257 | 257 | |
| F | - | - | - | - | - | - | 350 | 350 | 400 | 400 | 400 | |
| W | 230 | 400 | 400 | 650 | 1050 | 1050 | 600 | 600 | 800 | 800 | 800 | |
| Wt(kg) | 12 | 16 | 22 | 35 | 58 | 74 | 205 | 322 | 460 | 864 | 1600 | |
| 电动Electro operated | H2 | - | - | - | - | - | 554 | 600 | 652 | 760 | 830 | 940 |
| L1 | - | - | - | - | - | 235 | 235 | 235 | 259 | 400 | 410 | |
| 气动Pneumatic operated | H3 | 274 | 379 | 389 | 479 | 552 | 666 | 736 | 926 | 1059 | 1393 | 1538 |
| L2 | 270 | 405 | 405 | 576 | 576 | 776 | 776 | 776 | 1060 | 1360 | 1360 | |
PN2.5MPa主要连接尺寸及重量
| 公称通径DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 400 | 500 | |
| L | 124 | 145 | 165 | 194 | 210 | 229 | 243 | 297 | 338 | 520 | 600 | |
| H | 102 | 114 | 127 | 152 | 184 | 219 | 273 | 360 | 395 | 470 | 580 | |
| 手动Manual operated | H1 | 107 | 125 | 152 | 178 | 300 | 330 | 398 | 495 | 580 | 670 | 840 |
| E | - | - | - | - | - | - | 116 | 116 | 171 | 257 | 257 | |
| F | - | - | - | - | - | - | 350 | 350 | 420 | 400 | 400 | |
| W | 230 | 400 | 400 | 650 | 1050 | 1050 | 600 | 600 | 800 | 800 | 800 | |
| Wt(kg) | 15 | 24 | 30 | 55 | 87 | 118 | 255 | 370 | 533 | 1030 | 2100 | |
| 电动Electro operated | H2 | - | - | - | - | - | 235 | 235 | 400 | 400 | 410 | 420 |
| L1 | - | - | - | - | - | 74 | 250 | 350 | 420 | 400 | 400 | |
| 气动Pneumatic operated | H3 | 340 | 379 | 452 | 479 | 646 | 666 | 814 | 1002 | 1059 | 1205 | 1295 |
| L2 | 405 | 405 | 574 | 574 | 756 | 756 | 1060 | 1060 | 1060 | 1360 | 2840 | |
所有评论仅代表网友意见，与本站立场无关。