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
NO

材料标准
零件名称

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
1Cr18Ni12Mo2Ti

F304/F316/
F304L/F316L

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
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

1Cr18Ni9Ti
1Cr18Ni12Mo2Ti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

ZG1Cr18Ni9Ti
ZG1Cr18NI12Mo2TI

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