Specifications
high quality water flow control valvewe are profesional manufacture of Gate Valve
valve industrial factory
Flow control gate valve with good modulating
API6D stainless steel marine water gate Valve industrial
1.The code of driving type
Driving type | Code | Driving type | Code |
Electromagnetic drive | 0 | Bevel gear | 5 |
Electromagnetic and hydraulic | 1 | Pneumatic | 6 |
Electric and hydraulic | 2 | Hydraulic | 7 |
Worn wheel | 3 | Pneumatic and hydraulic | 8 |
Spur gear | 4 | Electric | 9 |
2.Code of connection form
Connection form | Internal thread | External thread | Flange | Welding | Butt clamp | Hoop | Ferrule |
Code | 1 | 2 | 4 | 6 | 7 | 8 | 9 |
3.Code of structural form
Structural form of gate valve | Code | |||
Rising stem | Wedge type | Flexible gate valve | 0 | |
Rigid | Single flashboard | 1 | ||
Double flashboard | 2 | |||
Parallel type | Single flashboard | 3 | ||
Double flashboard | 4 | |||
Non-rising stem wedge type | Single flashboard | 5 | ||
Double flashboard | 6 | |||
4.Code of materials for valve seat,sealing surface and lining
Materials for valve seat,sealing surface and lining | Code | Materials for valve seat,sealing surface and lining | Code | Materials for valve seat,sealing surface and lining | Code |
Copper alloy | T | Babbitt alloy | B | Rubber lining | J |
Rubber | X | Alloy steel | H | Porcelain enamel | C |
Nylon plastic | N | Nitriding steel | D | Lead lining | Q |
Fluorine plastic | F | Hard alloy | Y | Boron steel | P |
Could supply other materials according to client’s requirements | |||||
5.Code of materials for valve body
Materials for valve body | Code | Materials for valve body | Code | Materials for valve body | Code |
Gray iron | Z | Copper alloy | T | 1Cr18Ni9Ti | P |
Malleable cast iron | K | Carbon steel | C | 1Cr18Ni12Mo2Ti | R |
Ductile iron | Q | Cr5Mo | I | 12Cr1MoV | V |
Could supply other materials according to client’s requirements | |||||
6.Standards
Design and manufacture as API600,ANSI B16.34
Face to face dimension as ANSI B16.10
End flange dimension as ANSI B16.5
Pressure temperature rating as ANSI B16.34
Pressure test as API598
7.Materials for main parts
Name | Material | ||||||||
Body Bonnet Wedge | A216 WCB | A352 LCB | A217 WC6 | A217 WC9 | A217 WC5 | A351 CF8 | A351 CF8M | A351 CF3 | A351 CF3M |
Stem | A182 F6 | A182 F304 | A182 F316 | A182 F304L | A182 F316L | ||||
Stem nut | ZcuAl10Fe3 Bronze | ||||||||
Handwheel | KTH350-10 | ||||||||
Bonnet bolt | A193-B7 A320-L7 A193-B8 | ||||||||
Nut | A194-2H A194-7 A194-8 | ||||||||
Could supply other materials according to client’s requirements | |||||||||
