Gas Emergency Shut-off Safety Solenoid Valve Full Open Safety Valve

We always adhere to the principle of market-oriented, technological innovation as the driving force, and customer service as the purpose. We combine product technology with production management to provide customers with Monel 400 Globe Valve, SS904L Check Valve, Cast Floating Ball Valve solutions. We normally welcome new and old buyers offers us with beneficial tips and proposals for cooperation, let us mature and produce alongside one another, also to lead to our neighborhood and employees! We introduce high efficiency equipment and adopt advanced management methods to keep the product quality stable and improve the production efficiency continuously. After years of accumulation, our company has not only built a solid foundation in business, technology and economy, but also made many sincere and cooperative friends in various industries.

  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:  Alloy20(A351 CN7M)
  Trim:  Alloy20(A351 CN7M)  
   

• 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 packing for shipping?

  A:Its carton for small valves(sample) and plywood case(don’t to fumigate).

2.Q: How about delivery schedule?

A: Delivery schedule depends on product type. Therefore, please consult with sales team for specific delivery schedule when you inquire quote. The company is making an effort to keep the delivery schedule, which is the promise with customer. The company will improve your satisfaction degree by delivering the necessary product as soon as possible.

3.Q: Do u provide sample,is it free or extra ?

A: Yes, we could offer the sample, due to its value,we can supply free sample that small value and you afford the freight,but also welcome visit our factory to inspect quality.

4.Q:How can I visit your company?

A: We always welcome you to factory. However, your visit intention shall be pure. You can visit factory conveniently by noticing your visit to the department in charge depending on your visit purpose in advance. For the way to factory, please refer to map“About Us” of homepage.

5.Q: What's your payment terms?

A: As our company’s policy, we normally have bellow 3 payment terms,it also can negotiation both parties before confirm order.
  1) 100% T/T or West Union in advance that order value within $2,000.00USD.

2)30% T/T advance+70% balance after the shipment for the order value above $2,000.00USD.

3)L/C at sight for the order value above $50,000.00USD.

The company's Gas Emergency Shut-off Safety Solenoid Valve Full Open Safety Valve are constantly being improved and kept up to date with the world's research hotspots. Our company pursues the fine tradition of service first, regards reputation as life, and provides professional and high quality service at any time. We aim to improve customer production efficiency and product quality, reduce customer production costs and enhance product competitiveness, so as to maximize customer satisfaction.