SER375 – HD/MD Reject Chamber Valve

Round by Square Flanged

Features and Benefits


  • The NPV HD/MD Reject Chamber Valve is designed specifically to handle the wire, staples, glass and sand typically found in recycle paper mill reject systems
  • Cavity free, precision machined, special body casting prevents accumulation of solids and trash which would prohibit the valve from activating the open/close limit switch sensors
  • Gate, seat cartridge and gate guide are 400SS heat treated and hardened, which extends the life cycle of the valve
  • Valve design allows for complete factory rebuild to like new condition at 50-60% of the current list price
  • Gates are chrome plates to reduce friction and valve torque extending the life of the packing
  • All NPV/DUCO valves are supplied with NPV high cycle pneumatic cylinder, limit switch brackets and stainless steel cylinder lockout
  • HD/MD Reject Chamber Round by Round Flanged Valve is available in sizes 6″, 8″, 10″ & 12″

Note: Valves to be installed in the horizontal position

Typical applications include:

  1. HD/MD Reject Chamber valves in recycle mills