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spring safety valve
1.Working Principle
The series of valve is used in bolier,pressure vessel and other pressure equipment that working temperature ductile cast iron ≤300℃,WCB ≤425℃ & applicable medium is steam,air,water and noncorrosive medium etc.as a overpressure safety equipment.
When the medium pressure goes up adjustable data automatically,then let them all ,so as to keep the pressure from going up,and when the pressure goes down another adjustable data,the valve will close automatically,so as to prevent the medium from leaking.
2.Technical Data:
(1) Nominal Diameter DN(mm):DN20~DN400 working principle
(2) Nominal Pressure PN(MPa): 1.6-10.0
(3) Testing Pressure PN(MPa): Shell: 2.4~15.0 Sealing: 1.76~11.0
(4) Suitable Mediums: water,steam
(5) Working Temperature:-20~+425°C
3.Material could be:
| Name of parts | Materials |
| Body | Cast steel , Ductile cast iron |
|
Disc,Seat ring,Adjusting ring,Valve guide, Adjusting screw,Stem |
2Cr13 Stainless steel |
| Bonnet,Cap of valve ,Wrench | Cast steel , Ductile cast iron |
| Spring | 50CrVA |
1.Packing:plywood cases, or according to the customers' requirements
2.Shipment:Within 20days after your po.
1.Best price with high quality,
2.18 months Guarantee Period.
3.The standard could be ANSI,DIN,GB,ISO,GOST,BS and so on.
1.More than 40 years Professional Experience.
2.The sample of material will be preserved more than 10 years.
3.We have obtained safety approval of API,CE,ISO.
1.Standard.
2.Size.
3.Material .
4.Connection type.
5.Medium.
6.Temperature.
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