Jiangsu, China
Business Type:
Manufacturer/Factory & Trading Company
Business Range:
Industrial Equipment & Components
Management System Certification:
ISO 9001, BSCI
International Commercial Terms(Incoterms):
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Valve, Check Valve, Ammonia Check Valve manufacturer / supplier in China, offering Ammonia Check Valve, Outdoor Freon Air Cooler Factory in China, Door Curtain/PVC Curtain and so on.

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Audited Supplier

Ammonia Check Valve

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Purchase Qty. / Reference FOB Price
10-49 Pieces US $100
50-99 Pieces US $90
100+ Pieces US $85
Port: Qingdao, China
Production Capacity: 50000PCS/Year
Payment Terms: L/C, T/T, D/P
Pn: 4.0MPa
PS: 6.0MPa
Medium: R717,R22
Temperature: -50~+150
Transport Package: Carton/Wooden Carton/Pallet
Specification: dn15-dn200

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Basic Info

Model NO.: DN15-DN200
Trademark: Dofun
Origin: China
HS Code: 8414301990

Product Description

Application :
The valve is called SCV-S welding straight-throutgh check valve .which is used for ammonia cold room pipe and
refrigeration equipment, Which control the flow of ammonia by operate the hand wheel of valve. 

Ammonia Check Valve

Structural Features
1.The valve is made through low-temperature alloy precision casting for forging,with Y-shaped structure which can reduce the flow resistance,avoid the calorification,eddy and effusion,decrease the supplement of refrigerant,and meanwhile produce no liquid explosion or flash gas.
2.The six-level sealing structure uses imported materials and can thoroughly avoid leakage,six levels of protection makes the structure more safe and reliable.
3.the valve rod is made of 304 stainless steel which can never be rusted.the surface is nano processed(national patent)which has increased the surface hardness;meanwhile,the RA valve of surface finish is less than 0.03 and friction is almost zero.therefore,under all cases,it can beopen opened and open and closed with pilot wheel
4.Advanced modular design makes it possible to assemble diferent functions of components on the same valve,which is quite convenient and quick.
5.New type of seal structure(national patent)ensures the valve can be effectively closed at any position,greatly improving the safety. 

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