Forged Steel Integral Pressure Seal Gate Valve
Flange high - temperature and high - pressure gate valve adopts self - sealing structure in the middle chamber, sealing performance is good.The two ends of the branch pipe are welded structure.The sealing surface of valve disc and valve seat is made of stellite cobalt-base hard alloy surfacing welding, with good abrasion resistance, high temperature resistance and abrasion resistance.The stem is tempered and surface nitrogenated.Bonnet stuffing box depth reasonable packing and corrosion inhibitor seal reliable.The valve has an inverted seal structure to ensure that the valve does not leak through the stem when open for operation.Widely used in petroleum, chemical, natural gas, metallurgy, chemical fiber, paper, urban construction, and other fields.
Design and manufacture:API 602,BS 5352,ANSI B16.34.
Connection ends conform to:
-Socket welded ends:ANSI B16.11.
-(NPT threaded)Screw ends:ANSI B1.20.1.
-Butt-welded ends:ANSI B 16.25.
-Flanged ends:ANSI B 16.5.
Inspection & testing:API 598.
Tag: MSS SP 25.
Outside Screw And Yoke,Rising Stem.
Solid Wedge,Renewable Seat Rings,Sprial Wound Gasket.
Spring Loaded To Ensure That Even In The Low-Pressure Sealing Performance As Well.
Low Leakage Test Stem Packing By.
Automatically Adjust The Preload Gland Packing.
Port:Full Port(FP)/Reduced Port(RP).
Structure:BB(Bolted Bonnet),WB(Welded Bonnet),PSB(Pressure Self-sealing Bonnet).
Rating: Class 150/ 300/ 600/ 800/ 900/ 1500/ 2500/ 4500.
Size Range:3/8" to 2"
End Options: FLG, SW(Socket Welded), Threaded(NPT/BSP), BW(Butt Welded),
-Bellow Seal forged gate valve.
-Cryogenic forged gate valve.
-Extended body forged gate valve.
-Venting forged gate valve.
-Twins forged gate valve.
Q1: We are interested in your products?
A1: In order to recommend you suitable products, please provide detail information, like size, material, pressure, model.
Q2: Is the requirement for MOQ?
A2: For some small size, like 2''-48''(DN50-DN1200), it request the MOQ is pcs for each size. Generally speaking, it depends on your order.
Q3: How about the warranty?
A3: The warranty time is 18 months after leaving our factory. We can repair or change because of the quality problems.
A4: Mainly T/T, Western Union & PayPal are applicable for us. Payment Term: 30% prepayment, 70% balance paid before shipping or against copy of BL.
Q5: Can you manufacture different standards valves according to customer requirements?
A5: Yes. We can manufacture API,DIN,GOST,JIS standards for different pressure & temperature & size according to different needs.
If you want to know more about our products, please contact freely. We will patiently answer your all questions.