Wedge gate valve is widely used in petroleum, chemical industry, power plants, oil, steam, etc, on the pipline as connected or truncated or truncated the medium inside the pipe opening and closing device.
1.Compact structure, reasonable design, good rigidity, valve channel flow, flow resistance cofficient is small;
2.The sealing surface of stainless steel and carbibe, long service life;
3.Using the flexible graphite packing, sealing is reliable, operation is smmoth and easy;
4.Drive mode manual, pneumatic, electric, gear transmission, hydraulic;
5.The structure form is elastic wedge type single gate, rigid wedge type single gate or double gate.
Product specification | Design spec | Face to Face | Flange end | Test & check | Pressure-temp |
GB/T12234 | GB/T12221 | JB/T 79、GB/T9113 HG/T20592、EN1092 | GB/T 13927 JB/T9092、API598 | GB/T 12224 |
1.Test pressure
Nominal Pressure | Shell | Test pressure | Back seat | |
(Liquid) Seal | (Gas) Seal | |||
1.6 | 2.4 | 1.8 | 0.6 | 1.8 |
2.5 | 3.8 | 2.8 | 0.6 | 2.8 |
4.0 | 6.0 | 4.4 | 0.6 | 4.4 |
6.4 | 9.6 | 7.1 | 0.6 | 7.1 |
10.0 | 15.0 | 11.0 | 0.6 | 11.0 |
16.0 | 24.0 | 18.0 | 0.6 | 18.0 |
2.Applicable media & Applicable temperature
Shell material | Applicable media | Applicable temperature |
Carbon steel(C type) | Water, steam, oil | ≤425 |
Cr.Ni,steel(P type) | Nitric acid | ≤200 |
Cr,Ni.Mo.steel(R type) | Acetic acid | ≤200 |
Cr,Mo steel (I type) | Water, steam, oil | ≤550 |
Body,bonnet | Disc,seat | Stem | Stem nut | Packing | Handwheel |
Carbon steel | Carbon steel + hard alloy or stainless steel | Cr.stainless steel | Copper alloy | Flexible Graphite | Malleable Iron |
Cr,Ni,steel | Stainless steel, stainless steel+hard alloy | Cr.stainless steel | Copper alloy | PTFE | Malleable Iron |
Cr,Ni,Mo.steel | Stainless steel, stainless steel+hard alloy | Cr.stainless steel | Copper alloy | PTFE | Malleable Iron |
Cr,Mo.steel | Alloy steel+hard alloy | Cr,Mo.steel | Copper alloy | Flexible Graphite | Malleable Iron |
TJL INDUSTRY GROUP CO., LIMITED
Tel: 0086-22-28219562
Fax: 0086-22-28219554 ext.8888
Mobile:15022393555
Email: sales@tjlindustry.com
Address: 1-711,XiangNian Plaza, Dongjiang and Neijiang Road Cross, Hexi District, Tianjin China