Carbon steel Gate Valve

OS&Y,Rising stem,Flexible Wedge
Bolted Bonnet,Threaded or welded seat ring
ASTM A216 WCB,A217 WC6,A351 CF8,A351 CF8M,A351 CF3,A351 CF3M,A351 CN7M

Steel Gate valve

1.Stem Nut, replaceable in line.
2.Rising stem with double thread for quick operation.
3.Stem-Gate connection designed so that under severe applied loads(stuck gate), the stem will fail outside of the stuffing box pressure boundry.

High Pressure Gate Valve

Size 2" ~ 16"
Pressure Class600~2500
OS&Y,Rising stem,Pressure seat Bonnet,Threaded or welded seat ring
ASTM A216 WCB,A217 WC6,A351CF8,A351CF8M,A351 CF3,A351 CF3M,A351 CN7M

API Cast steel Gate Valve

Nps:2"-42"
Pressure: Class 150-2500Lb

BB、OS&Y structure
Flanged or butt-welded end

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)

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