Marine Air Spring Check Valve 6 Inch

Prod Model:	valve
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Material:	Cast Steel
Connection Form:	Thread
Structure:	Tubular
Function:	Nrvg Silence
Application:	Water Industrial Usage

Product Description

 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?