Marine Air Spring Check Valve 6 Inch

  • Model NO.: valve
  • Connection Form: Thread
  • Pressure: Low Pressure
  • Sealing Form: Bellows Globe Valve
  • Standard: JIS
  • Trademark: trust
  • Origin: China
  • Material: Cast Steel
  • Structure: Tubular
  • Function: Ddcv Double Lobe, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
  • Flow Direction: Reversing
  • Application: Industrial Usage, Water Industrial Usage
  • Specification: CCS, ABS, GL, NK, BV, LR, DNV, RINA
  • HS Code: 8481804090

 Marine air spring check valve 6 inch
 
Product Description
 
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)

 

Main Products:
a) standard marine-purposed butterfly valve
b) blind plate valve
c) lifting stop valve
d) check valve
e) gate valve
f) sea valve 
g) valve chest
h) quick close valve
i) storm valve
 
Additional  Specification:
with nominal diameters of DN6MM-DN750MM,
Nominal pressure PN0.1Mpa-PN6.4Mpa;
 
Certificates:
It has certified by some authoritative ship classification societies such as CCS,GL,BV,DNV,KR,ABS,ISO9000:2000 Quality system;
 
Air pipe head is certified by CCS,KR,GL ISO9000:2000 Quality system.
 
How to order:
1)  Mounting type:
2)  Flange standard:S-ISO/J-JIS/G-GB etc.
3)  Materials of valve seat: Buna-N rubber?
                                                Fluorinel-containing Rubber?
                                                or tetrafluoro thylene containing rubber?
4)  Materials of Valve body:Cast steel?
                                                Cast Iron?
                                                Ductile cast iron?
                                                Bronze?
                                                Stainless steel?
5)  Nominal diameter:DN(mm)
6)  Nominal pressure PN (mpa)
7)  Operating type:Handle manual?
                                 Worm manual?
                                 Spiral operating manual?
                                 Electrodynamic type?
                                 Pneumatic type?
                                 hydraulic type?
8)  Structure type:Centric Type?
                                Double eccentric type?


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