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Ono Valve Co., Ltd.

Stainless Steel Safety Valve, Wcb Safety Valve, Relief Valve manufacturer / supplier in China, offering Spring Low Lift Closed High Pressure Safety Valve Relief Valves, API 602 High Pressure Flat Gate Valve CF8 with Flange, API Cast Steel Knife Gate Valve with Flange for Industrial and so on.

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Supplier Homepage Product Safety valve Spring Low Lift Closed High Pressure Safety Valve Relief Valves

Spring Low Lift Closed High Pressure Safety Valve Relief Valves

FOB Price: US $15 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $15/ Piece
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Port: Shanghai, China
Production Capacity: 100000
Payment Terms: L/C, T/T
Product Catalog
safety valve
23 Products
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Basic Info
  • Model NO.: A41Y
  • Temperature: Low Temperature
  • Pressure: Adjustable
  • Structure: Spring
  • Material2: Wcb,Cast Steel
  • Transport Package: Plywood
  • Origin: China
  • Certification: ISO
  • Connection: Flange
  • Closed: Closed
  • Material: Cast Iron
  • Trademark: ONO
  • Specification: DN15-DN50
  • HS Code: 8481804090
Product Description
This type is used for the equipment and pipelines with such media as air,N2-H2 mixed gas,and water at a working temperture less than 200ºC.This type is used for the equipment and pipelines containing corrosive gases or liquids at a working temperture less than 200ºC as an overpressure protection device .  Flange connecting dimensions comply with standard of JB/T2769.

spring loaded high pressure safety valve 
Size: DN 15- 50 
Pressure: PN160~ PN 320 
Material : Cast steel, Stainless Steel etc.

The allowable tolerance of the set pressure: <+/-3% of the set pressure
Overpressure:<10% of the set pressure
Blowdown:<15% of the set pressure
Tightness: the valves have good seat tightness, conforms to API527
1)The solid nozzle screws into the body. its maintenance is easy
2)The shape of the disc holder has been designed to enhance the effect of the fluid thrust for an instant lift of the disc
3)Blowdown control is provided with adjustable nozzle ring only
4)The adequate materials and clearance between disc holder and guide, spindle and adjusting screw assures disc to lift successfully.
5)The surface of both the disc and the nozle seat is depsited with STL. Excellent flatnes and surface finish of the seating surfaces by precision machining and lapping assure safety valve to have high degree of seal tightness and long usage
6)The bllows of balanced bellows safety valve not only can avoid and effect of variable back pressure in the system, but also can protect spring and other trim components from corrosive media
7) The choice of material is careful. The manufacture of the spring and the bellows has strict technological process. Each of them is tesed and checked strictly.
Note: If you're interest, please email us request for detail technical datas and dimensions.
NO.Name of partA48Y-C    A44Y-C      MaterialsA44Y-P       MaterialsA44Y-R   Materials
1         BodyWCBZG1Cr18Ni9TiCF8M
2         Nozzle2Cr131Cr18Ni9Ti316
3       Adjusting ringZG2Cr13ZG1Cr18Ni9Ti0Cr18Ni12Mo2Ti
4       Disc holderZG2Cr13ZG1Cr18Ni9Ti316
5         Disc2Cr131Cr18Ni9Ti316
6      Guide sleeve2Cr131Cr18Ni9Ti0Cr18Ni12Mo2Ti
7         BonnetZG230-450ZG230-450ZG230-450
8          Spring50CrVA50CrVA  Coated Teflon50CrVA  Coated Teflon
9         Stem2Cr131Cr18Ni9Ti1Cr18Ni12Mo2Ti
10         LeverZG200-400ZG200-400ZG200-400
11Adjusting bolt452Cr132Cr13
12      CapZG200-400ZG200-400316
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