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  • Pilot Operated Pressure Relief Valve A46 Safety - China

    price: contact company for price

    A46F/C Type Pilot-operated pressure relief valve Model:

    A46C/A46F; Diameter: 2~8" Medium: Gas such as steam, Natural

    gas and Crude oil etc. pilot safety valve is a main valve

    and pilot valve a novel structure of the safety valve, pilot

    valve response system media pressure our own actions so as

    to control the switching of the main valve.

    A46H/F Pilot Operated Safety Valve structural features:

    1, the seat of soft seal to ensure a good seal around

    the safety valve take-off

    2, allowable working pressure close to the safety

    valve setting safety valve main valve pressure.

    3, the smaller overpressure will be able to quickly

    reach the status of all Kai

    4, the safety valve performance and the opening

    height from the back pressure.

    5, opening and closing Adjustable differential


    6, the pilot valve flow structure designed to reduce

    emissions of harmful media and environmental pollution.

    online testing safety valve set pressure.

    A46H/F pilot safety valve advantage of the variable

    spring direct role for the indirect effects of the pilot

    valve to improve the sensitivity of the action, and the main

    valve sleeve piston, double sealed seat action and high

    precision, good repeatability, the back seat fast, do not

    leak, the band discharge of high back pressure, work life,

    stable and reliable, it can also be online tuned repeatedly

    Kai jump emissions can still back seat, close tightly,

    convenient operation and maintenance.

    the design and manufacture standard of A46H/F Pilot

    Operated Safety Valve:

    structural length standard: GB/T12221-2005

    connection flange standard: GB/T9113

    pressure and temperature rating: the GB/T12224-2005

    test standard: the GB/T13927-2008


    put into use the safety valve

    first enter the sub-valve, after the cast valve

    2, removal of the safety valve

    first cut of the main valve, cut the sub-valve

    the A46H/Y /F Pilot Operated Safety Valve materials



    The valve flap

    2Cr13/2Cr13 PTFE

    1Cr18Ni9Ti/1Cr18Ni9Ti PTFE

    the guide sleeve



    the 50CrVA


    5 [br O-ring

    fluoro rubber


    Company Contact:

    • Phone: 8657721825602

    • Address: He-yi Industrial Zone,Oubei Town, Wenzhou, China

    • Email: Email

    Published date: July 15, 2013 -

    • Business Description: Yongjia Goole Valve Co., Ltd is a specialized and modernized company. As

      industrial valves, filters and pipe fittings supplier and project

      service provider, we are willing to provide you with high quality and

      perfect fluid control solutions, to create a new intelligent system with

      high efficient, energy saving and environmental protection

      characteristics, so as to help you make full use of your energy.

      The main products of our company are Pilot Operated Pressure Reducing Valves, Direct Acting Pressure Reducing Valves, Bellow Type Pressure Reducing Valves, Free Float Steam Trap, Lever Ball Float Steam Traps, thermodynamic steam traps, thermostatic steam traps, pilot operated safety valves, spring loaded safety valves, DIN Bellow sealed globe valves, etc. Our products are widely used in petroleum, chemical, metallurgy, power station, mining, boiler, water treatment, food industry, pharmaceutical, tobacco, hotels, construction, fire extinguishing, Water supply and drainage, textile, paper making and some other fields. We can also design and manufacture the non standard products according to Customers requirements.

      Our Products are in strict accordance with ISO 9001 International Quality Management System. We also have a complete inspection system to ensure the quality of our products. From the Market Researching to Designing and developing, from the material purchasing to furnishing, inspection and testing, from delivery to after sale service, every step is processed under the Standard Management. In order to produce the superior industrial valve and let the national made valve replace imported valve, we always stick to the following principles: Ensure the Quality for Survival, Ensure the Continuous Innovation for Development, and ensure the high efficient service for Customers satisfaction.

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