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        1. Coal chemical process systemLocation:HomeCoal chemical process system

          High pressure nitrogen cut-off valve

          • Technical Parameters
          • Installation Guide
          • Model Description
          • Download the document

          High pressure nitrogen cutting valve is used for oxygen pipeline and coal slurry pipeline. High pressure nitrogen purge and working pressure, high pressure difference, high sealing requirement, and the requirement of switching speed.

          Design features
          Valve type: plunger type single seat valve.
          Size: 3/4 "-16"
          Level of pressure: 600LB - 2500LB
          Connecting mode: flange
          For applicable temperature: - 196 ℃ ~ 566 ℃
          Body material: 304, 316, double phase stainless steel,
          INCONEL600, INCONEL652,
          MONEL et al
          Internal parts of valve: 316, 316L, double phase stainless steel,
          INCONEL625, MONEL et al
          Seat ring: stainless steel, stainless steel surface hardening treatment
          Sleeve/guide bushing: stainless steel
          Level of leakage: ANSI CLASS VI

          Product features

          Flow characteristics: fast open type
          The nitrogen cut-off valve adopts plunger single seat valve and has fireproof sealing structure
          Packing, the gasket is used for oil removal, grease removal and anti-stripping treatment
          High temperature material
          Convenient installation and maintenance.
          The seat is pressed tightly against the body, not threaded, installed and maintained
          The flow characteristic is easy to change
          Noise reduction and reduction of cavitation impact
          Interchangeability and versatility are strong.
          Changing different sleeve can obtain different flow coefficient and different flow characteristics
          Reduce the impact of unbalance force

          Products

          General valve
          Special valves
          Control valve
          Valve industry

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