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Hangzhou valve focuses on scientific and technological innovation and cooperation in production, learning and research. Currently, it has more than 70 national patents, including temperature reduction and pressure reducing devices, safety valves, among which, 8 patents are invention.

LARGE SIZE SAFETY VALVE

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HFAs48Y is especially designed with large size from DN250 (10") up to DN600 (24"), the valve is suitable for low and medium set pressure saturated steam applications. Its set pressure range is <2.5 MPa, maximal working temperature <427 DegreeC, suitable for most power plant LP steam line service with larger capacity where needed.

Types: Coventional safety valve
Full nozzle with open bonnet, with lever
Available sizes: DN250(10") up to DN600(24")
Available rating: PN16 up to PN50, Class 150# – 300#
Medium: Steam under 427 DegreeC
Blowdown: 10%
Discharge Coefficient: G-0.75
Connection Flange: ASME B16.5, GOST-12820, JIS Std

Large orifice is adoptive for larger capacity purpose.
Compact structure and construction.
The radiator structure is provided once the temperature exceeds 350 DegreeC, which protect the spring from the influence of high temperature, and gives the stable performance of spring.
The surface of both disc and nozzle seat is deposited with hard alloy of Stellite, and the excellent surface treatment by precision machining and lapping ensure the tightness under high temperature working service.

Hangzhou Worldwides Valve Co.,Ltd
 

 

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hanghui

Add:The Future Science and Technology City of Hangzhou, China.
Tel:0086-571-88681489
Email:hzhhfm@foxmail.com
Fax:0571-88681498

hanghui

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Time of issue:2020-04-24 00:00:00
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