DOFUN Filter

The company registered capital of 50 million, covers an area of over 50 mu with an industrial park of over 10000 square meters in Yantai.

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Dofun Filter

The company registered capital of 50 million, covers an area of over 50 mu with an industrial park of over 10000 square meters in Yantai. It owns a modem factory of over 20000 square meters and multiple world's advanced valve production lines and experimental text boards. The main products conclude stop valve, check valve, stop-check valve, throttle valve and filter, etc. With strong technical force, excellent production equipment, complete detection means, strict system management, superior and reliable products and continuous products innovation, the valves of various materials produced by the company have been widely used in sectors of refiigeration, petrifaction, oil refining, nuclear power, chemical engineering, metallurgy, medicine, food, national defense, war and urban construction .Thereafter, DOFUN has gained great fame and affect at home and abroad, and received remarkable performance.

modelNominal diametersize Dnominal length  GConnection Type
FVD-A152260Butt welding connection
202760
253260
323870
404570
505776
657690
8089106
100108120
125133133

Technical Parameters:
Nominal pressure  PN  4.0Mpa
Experimental pressure PS 6.0Mpa
Applicable temperature -50℃~+150℃
Applicable mediaFor common refrigerants including ammonia, fluorine (depending on the compatibility with the sealing material)


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