20 Inch ANSI Class 600 Swing Check Valve

  • Product Name:20 Inch ANSI Class 600 Swing Check Valve
  • Unit Price:
  • Design Standard:API 6D /ASME B16.34 /BS1868
  • FTF Dimension:ASME B 16.10 &API 6D
  • Flange Connection:ASME B16.5 &ANSI B16.47
  • Inspection and Test:API 598 & API 6D
  • Delivery Time:15-30days
  • Tel: +86-22-28219562
  • Fax: +86-22-28219554 ext.8888
Product Details: 20 Inch ANSI Class 600 Swing Check Valve


20 Inch Swing Check Valve Product Usage


Swing check valves are used in pipes under pressures between PN1.6-42.0MPa, working tempertures between -46℃~570℃,they are used in industries include oil, chemistry, pharmaceutical, fertilizer, and power generation to prevent the backflow of the media.


20 Inch Swing Check Valve Product Features


  1. Rational structure, reliable sealing, excellent performance, pretty appearance;

  2. Co-radix alloy welded sealing surface, anti-wearing, erosion-proof abrasion-proof and longer use life;

  3. Inside-set bolt-bearing structure reduces leakage and reliable used

  4. When pressures≥16.0MPa the valve belly, self-tighening structure offers a tighter sealing for a higher medium pressure;

  5. Different parts materials and different sizes for flange, butt-welding are available for sensiable combination according to different working facts and customers' requirements.


20 Inch Swing Check Valve Main Performance Specifications



Design standard
GB/T 12236

Pressure-temperature

rating

GB/T 12224
Face-to-face
GB/T 12221 GB/T 15188.1
Flange ends
GB/T 9113、JB/T 79、EN1092、ASME B16.5/B16.47
Buttwelding ends
GB/T 12224
Inspection&testJB/T 9092GB/T 13927、API598
Test pressure
Nominal pressure
PN1.6
PN2.5
PN4.0
PN6.4
PN10.0
PN16.0
Shell test
2.4
3.8
6.0
9.6
15.0
24.0
High pressure seal test
1.8
2.8
4.4
7.1
11.0
17.6
Low pressure seal test
0.6


20 Inch Swing Check Valve Main Part Materials


Part name
Carbon steel
Stainless steel
Alloy steel
Low Temperature steel
Body
WCB
CF8
WC6
LCB
Seat
25#
0Cr18Ni9(304)
12Cr1MoVA
0Cr18Ni9(304)
Disc
WCBCF8
WC6
LCB
Hinge
20Cr13
304
20Cr13
LCB
Pin
1Cr130Cr18Ni9(304)0Cr18Ni9(304)0Cr18Ni9(304)
Bearing Bracket
WCBCF8WC6
LCB
Gasket
Flexible graphite+SS304
Flexible graphite+SS304Flexible graphite+SS304Flexible graphite+SS304
Bonnet
WCB
CF8WC6LCB
Stud
35CrMoA
0Cr18Ni9(304)/B8B16/25Cr2MoVA
35CrMoA/B7
Nut
45#
0Cr18Ni9(304)/87/35CrMoA
45/2H






Send your message to us


TJL INDUSTRY GROUP CO., LIMITED 

Tel: 0086-22-28219562
Fax: 0086-22-28219554 ext.8888

Mobile:15022393555

Email: sales@tjlindustry.com

Address: 1-711,XiangNian Plaza, Dongjiang and Neijiang Road Cross, Hexi District, Tianjin China


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