WINDMILL steel gate valve

For carbon steel gate valve, the seat is usually forged steel. The sealing surface of the seat is spray welded with hard alloy specified by the customer, Renewable threaded seat is used for NPS 10 gate valves, and welded on seat can be also optional if being requested by the customer, Welded on seat is used for NPS 10 carbon steel gate valves. For Stainless steel gate valve, integral seal is usually adopted, or to weld hard alloy directly integrally.

Non Rising Stem Resilient Seated Gate Valve

The gate valves disc is rubber-packed to get excellent sealing effect by the rubber's resilient deformation. Non-rising resilient seated gate valves solve the problem in general gate valve such as leakage, rusting etc. and saves installation space. It is used widely in tap water industry, sewage treatment, shipping construction, petroleum, chemicals, food, pharmacy, textile, electric power,
 
 

Extended body forged gate valve

A. EXTENDED BODY GATE VALVE BRIEF FIGURE OF STRUCTURE
B. EXTENDED BODY GATE VALVE THE SPECIFIC CONNECTION CODE
C. GATE VALVE STANDARD MATERIAL SPECIFICATIONS
D. EXTENDED BODY GATE VALVE DIMENSIONS

 

Butt Welded Gate Valve

1.The material of valve disk an the valve sealing face is the cobalt base hard alloy(stellite)that is hard,anti-attrite,themostable,anti-corrosive,the anti-abrasion.
2.The stem after the quenching and tempering and the surface nitriding,has the good anti-crrosion and anti-abrasion.
A105 gate valve(BW butt welded)
Forged steel gate valve(BW butt welded)
Forged Steel Gate Valve(NPT SW BW end)

Gate valves to API602 (API602 Gate valve series)

1、Design and manufacture conform to API602、BS5352、ANSI B16.34;
2、Connection ends conform to
1)Socket welded dimension conform to ANSI B16.11;JB/T1751
2)Screw ends dimension conform to ANSI B1.20.1;JB/T7306

 

CLASS 150~900 PLATE GATE VALVE

Plate gate valve Rising stem rtating and unrisen handwheel outside screw and yoke.Anti-dusty design with position indicator parallel and solid wedge two structures with or without conduit.
Design by API Spec 6D
Valves tested by API 598
Face to Face by ANSI B 16.10
Connection dimensions by ANSI B 16.5~B 16.25
Pressure-Temp by ANSI B16.34

Female threaded gate valve

1、Design and manufacture API602、BS5352、ANSI B16.34;
2、Connection ends conform to ANSI
4)Flanged ends conform to ANSI B16.5;JB79
3、Test and inspection conform to:API 598 GB/T13927
4、Gate valve Structure features:
Bolted bonnet,outside screw and yoke
Welded bonnet,outside screw and yoke
5、Materials conform to ANIS/ASTM

CLASS 150~300 FLOATING BALL VALVE

Bolted bonnet,Two-piece Body,Floating Ball
Full or Reduced bore,Blowout Proof Stem
Fire safe and Anti static
Stainless steel ball
ASTM A216 WCB,A351 CF8,A351 CF8M,A351 CF3,A351 CF3M,A351 CN7M
 
 

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ADD:Qiaoxia,Wenzhou,Zhejiang,China   TEL:0086-577-67955569   FAX:0086-577-67955565   E-mail:sale@dfcvalve.com