VQ647Y-16P DN100气动V型球阀
特点
V型切口的球芯与金属阀座之间具有剪切作用,特别适用于含纤维、微小固体颗粒、料浆等介质;
蜗轮传动V型切断球阀还具有调节并可靠定位能力,流量特性为近百分比,可调范围广;
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。
主要零件材料
序号 | 材料标准 | 材料牌号Stamdard | |||
碳钢 | 不锈钢 | ||||
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 | 1Cr18Ni9Ti | F304/F316/ |
04 | 垫圈Gasket | 氟橡胶;PTFE;金属夹石墨Viton ; PTFE; Metel backed graphite | |||
05 | 止推轴承Lover stem | 金属夹PTFEMetel backed graphite | |||
06 | 下阀杆轴承 | 金属夹 | |||
07 | 下阀杆Lover stem | 2Cr13 | A276-410 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | F304/F316/F304L/F316L |
08 | 球体Ball | ZG1Cr18Ni9Ti | CF8渗氮 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | F304/F316/F304L/F316L |
09 | 阀体Body | WCB | A216-WCB | ZG1Cr18Ni9Ti/ZG1Cr18NI12Mo2TI | CF8/CF8M/CF3/CF3M |
10 | 阀座O型圈 | 氟橡胶Viton | |||
11 | 阀座Seat | 2Cr13渗氮 | A276-410 | 1Cr18Ni9Ti | F304/F316/F304L/F316L |
12 | 球阀键Body key | 40Cr | 1Cr17Ni2 | ||
13 | 上阀杆轴承 | PTFE;PPL | |||
14 | 阀杆填料 | 石墨 Graphite | |||
15 | 填料压环 | 2Cr13 | A276-410 | 1Cr18Ni9Ti/1Cr18Ni12Mo2Ti | F304/F316/ |
16 | 填料压盖 | WCB | A216-WCB | ZG1Cr18Ni9Ti | CF8/CF8M/ |
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 |