Cast Steel Flange Gate Valve for Water Systems

  Z41H Stainless Steel Gate Valve   Product Features: 1. Compact structure, reasonable design, good valve rigidity, smooth flow channel, and low flow resistance coefficient. 2. The sealing surface uses stainless steel and hard alloy for a long service life. 3. Flexible graphite packing is used for reliable sealing and easy and flexible operation. 4. Driving methods include manual, electric, pneumatic, and gear drive. Structural types include elastic wedge single gate, rigid wedge single gate, and double gate types. 5. Widely used in petrochemical, thermal power plants, and other applications as an on-off device for oil and steam pipelines. Design Standards GB/T12234 Pressure-temperature rating GB/T12224 Structural length GB/T12221 Flange connection dimensions JB/T 79、 GB/T9113、 HG/T20592 Welded end connection GB/T12224J8/T9092,GB/T13927、GB/T26480 Inspection and testing J8/T9092,GB/T13927、GB/T26480 Nominal pressure PN1.0 PN1.6 PN2.5 Test pressure Shell testing…