Marine Cast Iron Check Valve

  • Model NO.: Check Valve
  • Connection Form: Thread
  • Pressure: Low Pressure
  • Sealing Form: Bellows Globe Valve
  • Standard: JIS
  • Design Standard: GB/T 12235
  • Structural Length: Factory Standard
  • Origin: China
  • Material: Brass
  • Structure: Tubular
  • Function: Sfcv Rubber Lobe
  • Flow Direction: Reversing
  • Application: Industrial Usage, Water Industrial Usage
  • Temperature Pressure Rating: GB/T 12224
  • Trademark: TRUST
  • HS Code: 8481804090
DN 40 50 65 80 100 125 150 200 250 300

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Petroleum, chemical industry, pharmacy, fertilizer, power industry etc.
 
Advantage
1.GB lift check valve is self-sealing valve. The disc can be acted by the flow which can protect against the media flow back.
2.The disc with spring can keep the valve work in any direction.
3.Reasonable structure, reliable sealing, excellent performance and attractive appearance make a TKFM valve. 


 Material list(CN standard):

NO.		 Part Name Carbon Steel Series Stainless Steel Series Alloy Steel Series Low-temperature Steel Series
1 Body WCB CF8 WC6 LCB
2 DISC WCB CF8 WC6 LCB
3 Washer  Flexible graphite+ss304  Flexible graphite+ss304  Flexible graphite+ss304  Flexible graphite+ss304
4 Bonnet WCB CF8 WC6 LCB
5 Studs 35CrMoA 0Cr18Ni9(304) 35CrMoA 0Cr18Ni9(304)
6 Nut 35# 0Cr18Ni9(304) 35CrMoA 0Cr18Ni9(304)
7 Spring 60Si2Mn 0Cr18Ni9(304) 0Cr18Ni9(304) 0Cr18Ni9(304)

Technical Specification

Design Standard		 GB/T 12235
Temperature Pressure Rating GB/T 12224
Structural Length Factory Standard
 Flange Dimensions GB/T 9113,GB/T 79
Inspection and Test JB/T 9092,GB/T 13927
nominal pressure PN1.6 PN2.5 PN4.0 PN6.4 PN10.0 PN16.0
Test Pressure(Mpa) Body Test 2.4 3.75 6.0  9.6 15.0  24.0 
High Pressure Seal 1.76 2.75 4.4 7.04 11.0  17.6
Low Pressure Seal 0.6 0.6 0.6 0.6 0.6 0.6
Applicable temperature -196°C~550°C(Differeent temperature use different material)
Applicable Medium water,gas,oil and corrosive media(different media use different material)

 

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