API 526 Spring Loaded Flanged Pressure Relief Safety Valve

Product Description

API 526 Spring Loaded Flanged Pressure Relief Safety Valve
Performance:
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

Features:
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.

Specifications
Safety Valves/pressure safety valves, angle type
Full lift safety valve
Standard safety valve for boiler, open bonnet,
metal to metal seated, with plain type lifting device,
Inlet: Flanged connection acc. to ANSI B16.5
Outlet: Flanged connection acc. to ANSI B16.5

Applications
Provided as safety device for protection against excessive pressure in pressure vessels.
Approved for gases, vapours and fluids
Working temperatures: Lower than 300°C
Standards Compliance
Design and Manufacture: API RP 520
Face to Face(end to end): API 526
Test and Inspection: API 527
Materials for main parts

NO	Name of part	Materials A48Y-C	Materials A48Y-P	Materials A48Y-R
1	Body	WCB	304	316
2	Nozzle	2Cr13/ 304	304	316
3	Adjusting Ring	2Cr13/ 304	304	316
4	Disc	2Cr13/ 304	304	316
5	Guide sleeve	2Cr13/ 304	304	316
6	Bonnet	ZG230-450	ZG230-450	ZG230-450
7	Spring	50CrVA	50CrVA coated teflon	50CrVA coated teflon
8	Stem	2Cr13	304	316
9	Adjusting bolt	45	2Cr13	2Cr13
10	Cap	ZG200-400	ZG200-400	ZG200-400
Sealing surface of material "Y" depositing stellite

Note: If you're interest, please email us request for detail technical datas and dimensions.
Factory Corner
Test & Inspection
FAQ
Q. Are you a trading company or a manufacturer?
A: We are a manufacturer as you can see our workshop as above.
Q. What is your payment term?
A:Normally T/T 30% in advance, balance to be paid before delivery.
Q: What is your main market?
A:North America,Greenland,South America,Africa,Southeast Assia, Former Soviet Republics ,East Assia,and Europe.
Q: Can I place sample order to your factory?
A: Yes, Samples can be provided.
Q:What kind of trade terms can you do?
A:EX-WORKS,FOB,CFR,CIF,etc.
Q: How long is your delivery time?
A: Generally it is 5-7 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock, it is accordijng to quantity.

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