Welcome to Thomas valves website
公司新闻

您的位置:德国托马斯阀门(Thomas) - 公司新闻

进口手动球阀原理特点及品牌(图)

作者:托马斯·贝尔森·伍德 发布时间:2021-01-14 15:07:47点击:
进口手动球阀

进口手动球阀原理特点

进口手动球阀属于手动阀类,球阀是用带有圆形通道的球体作启闭件,球体随阀杆转动实现启闭动作的阀门。球阀的启闭件是一个有孔的球体,绕垂直于通道的轴线旋转,从而达到启闭通道的目的。球阀主要用于截断或接通管道和设备介质,也可用于流体的调节与控制,球阀流体阻力小,结构简单,体积小,重量轻,紧密可靠,操作维修方便,不会引起阀门密封面的侵蚀,适用范围广。
Features
•Standard Port
•2000 CWP (1/4”-1”)
1500 CWP (11/4”-2”)
150 WSP with RTFE Seats
250 WSP with Nova Seats
•Carbon Steel ASTM A216 WCB or
316 Stainless Steel ASTM A351 CF8M
•Threaded Ends
•Blow-Out Proof Stem
•Lockable Lever Handle
Applicable Standards
•Threaded Ends ASME B16.11
•Shell and Seat Pressure Test ASME B16.34
Options
•Lockable Oval Handle
•Spring Return Handle
•Stem Extension, 2-1/2”, Non-Locking
Parts & Materials

No.
Part Name
Material
Qty
1
Body
Carbon Steel ASTM A216 WCB or
316 Stainless Steel ASTM A351 CF8M
1
2
Ball
316 Stainless Steel
1
3
Seat*
RTFE / Nova
2
4
Body Seal*
PTFE/Graphite
1
5
End Piece
Carbon Steel ASTM A216 WCB or
316 Stainless Steel ASTM A351 CF8M
1
6
Stem
316 Stainless Steel
1
7
Thrust Bearing
PTFE
1
8
Stem Packing*
PTFE / Graphite
2
9
Packing Nut
300 Series Stainless Steel
1
10
Handle
300 Series Stainless Steel
1
11
Lock Washer
300 Series Stainless Steel
1
12
Handle Nut
300 Series Stainless Steel
1
13
Locking Device
300 Series Stainless Steel
1
14
Handle Sleeve
PVC
1
*RTFE Seats come with PTFE Seals and PTFE Stem Packing.
Nova Seats come with Graphite Seals and Graphite Stem Packing
Dimensions (Inches)

Size
A
B
C
D
E
F
G
H
ØI
J
1/4
2.25
2.13
3.94
0.46
2.56
2.48
4.00
1.25
1.14
7.24
3/8
2.25
2.13
3.94
0.50
2.56
2.48
4.33
1.25
1.14
7.24
1/2
2.32
2.13
3.94
0.50
2.56
2.48
4.00
1.25
1.14
7.24
3/4
3.12
2.50
4.88
0.69
2.95
2.48
4.00
1.56
1.14
7.24
1
3.40
2.66
4.88
0.88
3.11
2.48
4.00
1.70
1.14
9.21
1-1/4
4.08
3.47
5.75
1.00
3.89
3.19
5.20
2.22
1.14
12.99
1-1/2
4.35
3.63
5.75
1.26
4.02
3.19
5.20
2.41
1.14
12.99
2
5.39
3.82
5.75
1.50
4.20
3.19
5.20
2.59
1.14
12.99
Technical Information
Size
Cv
Weight
(lbs.)
1/4
6
0.7
3/8
6
0.7
1/2
9
0.7
3/4
24
1.4
1
35
1.8
1-1/4
47
3.2
1-1/2
81
4.3
2
105
6.1

进口手动球阀品牌

进口手动球阀品牌
德国托马斯阀门集团于1933年创建于德国鲁尔工业区,也是世界最重要的工业区。位于德国西部、莱茵河下游支流鲁尔河与利珀河之间的地区。德国托马斯阀门集团是以生产高品质、先进的阀门、测量及控制系统而享誉全球的跨国性生产企业。采用世界先进的设备及生产工艺,所有产品都在严格的质量体系监控下完成作业。并在各大洲几十个国家拥有子公司及分支机构。