DS/J61H-25, DS/J61H-40, DS/J61H-63 type water seal disconnecting valve is suitable for nominal pressure PN2.5 ~ 6.4MPa, working temperature 0 ~ 450 ℃ thermal power station return condensate system and petroleum, chemical requirements of isolation from the atmosphere of the system pipeline, cut off or connect the medium in the pipeline.

Product features

1、The product is designed and manufactured according to the national standard GB/T 12235, with novel structure, reasonable material selection and beautiful shape. The connection end has flange and welding, which can be matched according to different requirements of users.

2、The stuffing box is designed as water sealing structure, access to 0.6~1.6Mpa water packing, low friction, good sealing, can isolate the whole system from the atmosphere, to ensure good airtightness.

3、The valve stem is tempered and surface nitrided, which has good corrosion and scuff resistance.

4、Compact structure, flexible operation, easy maintenance, long service life.

5, inverted sealing using stainless steel threaded connection sealing seat or body surfacing austenitic stainless steel and become, inverted sealing reliable. Packing replacement and maintenance can be carried out without stopping, convenient and quick without affecting system operation.

Product standard

Design and manufacture：JB/T 3595

Structure length：GB/T 15188.1

Pressure and temperature level：GB/T 3595

Test and inspection：GB/T 13927 JB/T 9092