ny

Expanding Double Seal Valve

Short Description:

Design standards

• Design standard:ASME B16.34, JB/T 10673
• Face to face length:ASME B16.10, GB/T12221
• Connection standard:ASME B16.5 , HG/T 20592, JB/T79
-Test and inspection standard:API 598, GB/T 13927

Performance Specification

• Nominal pressure:PN1.6.2.5.4.0.6.4
• Strength testing pressure:PT2.4, 3.8, 6.0, 9.6Mpa
• Seat testing pressure(low pressure): 0.6Mpa
• Applicable temperature:-29°C -425°C
• Applicable media: Water. Oil. Gas, etc.


Product Detail

Product Tags

Product Structure

Shape 323

Main Parts And Materials

Material Name

Carbon steel

Stainless steel

Body

WCB

CF8

CF8M

Bonnet

WCB

CF8

CF8M

Bottom Cover

WCB

CF8

CF8M

Sealing Disc

WCB+Cartide PTFE/RPTFE

CF8+Carbide PTFE/RPTFE

CF8M+Carbide PTFE/RPTFE

Sealing Guide

WCB

CFS

CF8M

Wedge Body

WCB

CF8

CF8M

Metal Spiral Gasket

304+Flexible graphite

304+Flexibte graphite

316+Flexibte graphite

Bushing

Copper Alloy

Stem

2Cr13

304

316

Yoke

WCB

CF8

CF8M


  • Previous:
  • Next:

  • Write your message here and send it to us

    Related products

    • Stainless Steel Female Gate Valve

      Stainless Steel Female Gate Valve

      Product Structure main parts and materials Material Name Z15H-(16-64)C Z15W-(16-64)P Z15W-(16-64)R Body WCB ZG1Cr18Ni9Ti CF8 ZG1Cr18Ni12Mo2Ti CF8M Disc WCB ZG1Cr18Ni9Ti CF8 ZG1Cr18Ni12Mo2Ti CF8M Stem ICr18Ni9Ti 304 ICr18Ni9Ti 304 1Cr18Ni12Mo2Ti 316 Sealring 304, 316 Packing Polytetrafluorethylene(PTFE) Main Outer Size DN G L E B H W 15 1 1/2″ 55 16 31 90 70 20 3/4″ 60 18 38 98 ...

    • Forged Steel Gate Valve

      Forged Steel Gate Valve

      Product Description Forged steel gate valve fluid resistance is small, open, close the torque required is small, can be used in the medium to flow in two directions of the ring network pipeline, that is, the flow of media is not restricted.When fully open, the erosion of the sealing surface by the working medium is smaller than that of the globe valve.The structure is simple, the manufacturing process is good, and the length of the structure is short. Product Structure Main Size And Weight...

    • NON-RISING STEM GATE

      NON-RISING STEM GATE

      Product Structure MAIN OUTER SIZE DN 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 L 178 190 203 229 254 267 292 330 356 381 406 432 457 508 610 660 DO 160 160 200 200 225 280 330 385 385 450 450 520 620 458 458 458 Non-Rising Stem        Hmax 198 225 293 303 340 417 515 621 710 869 923 1169 1554 1856 2176 2598 350 406 520 ...

    • Flange Gate Valve(Non-Rising)

      Flange Gate Valve(Non-Rising)

      Product Structure Main Size And Weight PN10 DN L B D1 D2 f b z-Φd DO JB/T 79 HG/T 20592 JB/T 79 HG/T 20592 JB/T 79 HG/T 20592 15 130 95 95 65 45 2 14 16 4-Φ14 4-Φ14 120 20 150 105 105 75 55 2 14 18 4-Φ14 4-Φ14 120 25 160 115 115 85 65 2 14 18 4-Φ14 4-Φ14 140 32 180 135 140 100 78 2 16 18 4-Φ18 4-Φ18 160 40 200 145 150 110 85 3 16 18 4-...

    • Gb, Din Gate Valve

      Gb, Din Gate Valve

      Products Design Features Gate valve is one of the most commonly used cut-off valves, it*s mainly used to connect and disconnect media in pipe. The range of suitable pressure, temperature and caliber is very wide. It is widely used in water supply and drainage, gas, electric power, petroleum, chemical industry, metallurgy and other industrial pipeline which media is steam, water, oil to cut off or adjust the flow of media. Main Structural Features Fluid resistance is small. It is more labor-sa...

    • Clamped-Package / Butt Weld/ Flange Diaphragm Valve

      Clamped-Package / Butt Weld/ Flange Diaphragm V...

      Product Structure Main Outer Size G81F DN L D H 10 108 25 93.5 15 108 34 93.5 20 118 50.5 111.5 25 127 50.5 111.5 32 146 50.5 144.5 40 146 50.5 144.5 50 190 64 167 65 216 91 199 G61F DN L A B H 10 108 12 1.5 93.5 15 108 18 1.5 93.5 20 118 22 1.5 111.5 25 127 28 1.5 111.5 32 146 34 1.5 144.5 40 146 40 1.5 144.5 ...