5A Safety Valve

  NSV Spring Loaded Safety valve is a valve that act as a protection of equipment from exploding or damaging and it is mainly installed in pressure vessels such as chemical plants, electric power boilers and gas storage tanks.
Safety Valve is a type of valve that automatically actuates when the pressure of inlet side of the valve increases to a predetermined pressure, to open the valve disc and discharge the fluid (steam or gas ) ; and when the pressure decreases to the prescribed value, to close the valve disc again. Safety valve is so-called a final safety device which controls the pressure and discharges certain amount of fluid by itself without any electric power support.
Safety valve support not only the safety of energy industry but also the safety and security of our life.
  

• Applicable Standard
  Design Standard:     API 520,ASME VIII,API526
  Face to Face:       MFG STD 
  End Flange:        ASME B16.5  
  Inspection and Test: API 527 
    
  

• Products Range 
  Size:      1"x2” ~ 8”x10"(DN25XDN50 ~ DN200X250) 
  Rating:    ANSI 150lb ~ 2500lb
   
  Body Materials:  Duplex Stainless Steel(A995 4A,5A,6A)
  Trim:  Duplex Stainless Steel(A995 4A,5A,6A)  
   
  

• Design Features  
  Compliance with API526  
  Diverse selection of high-alloy material available as standard  
  Longer lifetime due to hardened discs, partly stellited seats and integrated shielding of the optional bellows
  Single trim: Identical internal parts for S/G/L for cost-effective maintenance  
  

The function of the safey valve

1.Nozzle" inside the Safety Valve starts to receive a higher pressure from the inlet side of the valve.

2.When the pressure becomes higher than the set pressure, "Disc" starts to lift and discharge the fluid.

3.When the pressure decreases until the predetermined pressure, the force of the spring closes "Disc".

( Role of the spare parts )
Nozzle --- Pressure Entrance
Disc ----- Lid
Spring --- Pressure Controller

FAQ

1.Q: What's the brand of your company can supply ?

A:NSV or OEM service

2.Q:I want to know how to contact the person in charge.

A: When you call representative call number of company(86-577-67378616), sales team will receive your call if there is no special situation. If you let us know your inquiry, we will put you through to the person in charge. If you need a personal phone number, you have to receive it from the person in charge directly after phone call.

3. Q: What's the valves warranty?
  A: Our valves warranty period should be 18 months from the date of shipment or 12 months after installation, whichever occurs first.

4. Q:How can I get a quote?

A: If you request quote by preparing the product spec you want to request specifically through “Contact us or Feedback” of homepage, we will send reply to you ASAP. If the contents of homepage are not available, you can inquire to us via phone(86-577-67378616) or fax(86-577-67372367).

5.Q:How can I get your company catalog?

A: For your reference, basic catalogue is same as "Download>E-Catalog” of homepage. If you need printed material or request more specific data like PQ material, please contact sales team.

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