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Ono Valve Co., Ltd.

Vacuum Safety Valve, Vacuum Pressure Safety Valve, Low Pressure Valve manufacturer / supplier in China, offering Vacuum Negative Pressure Safety Valve, 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 Vacuum Negative Pressure Safety Valve

Vacuum Negative Pressure Safety Valve

FOB Price: US $100 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100/ 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.: hfa72w
  • Temperature: Low Temperature
  • Pressure: Adjustable
  • Structure: Spring
  • Trademark: ONO
  • Specification: 95mm-395mm
  • HS Code: 8481804090
  • Certification: ISO
  • Connection: Flange
  • Closed: Open
  • Material: Casting
  • Transport Package: Plywood Case
  • Origin: Zhejiang Wenzhou
Product Description

Product Description

Vacuum Negative-Pressure Safety Valve (TFA72W-10R) Tive pressure system with temperature 200. When the netative pressure in the container exceeds the allowable value, the valve will open automatically and absorbs air When the netative pressure in the container reaches the allowable value, the valve will close automatically so as to protect the equipment and the system. It is to be installed in normal non-negative pressure systems. When the discharge valve of the container and system has not opened, which produces the negative pressure, this valve will open TFA72W is applicable in nega-automatically.
NO.Name of partTFA72W-P MaterialsTFA72W-R Materials
1   BodyZG1Cr18Ni9TiZG1Cr18Ni12Mo2Ti
2   Seat1Cr18Ni9TiZG1Cr18Ni12Mo2Ti
3  Adjusting ring1Cr18Ni9Ti1Cr18Ni12Mo2Ti
4   BonnetZG1Cr18Ni9Ti1Cr18Ni9Ti
5   Stem1Cr18Ni9Ti1Cr18Ni12Mo2Ti
6   Spring50CrVA50CrVA    Coated Teflon
 Explanation of materials for main parts
Nominal diameter
DD 1D 2Z- dbf 1H

Vacuum Negative Pressure Safety Valve
Vacuum Negative Pressure Safety Valve
Pre-sale service
1.We have full stock and can deliver within short time.
2.OEM and ODM order are accepted, Any kind of logo printing or design are available.
3.Good Quality + Factory Price + Quick Response + Reliable Service, is what we are trying best to offer you.
4.All of our products are produced by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service. 

After you choose:
1. We will count cheapest shipping cost and make invoice to you at once.
2. Check quality again, then send out to you at 1-2 working day after your payment
3. Email you the tracking no., and help to chase the parcels until it arrive you. 
After-sale service
1.We are very glad that customers give us some suggestion for price and products.
2.If you have any question,please contact us freely by E-mail or Telephone.  
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