844 Manifold




Part #  844
Trimmings  Stainless steel stem, hand wheel
Body  Material Ductile Iron Casting, painted
Max Pressure 400
Temp. Ratings -20°F (-29°C) to +300°F (+149°C) 
Use Ammonia, refrigerants, industrial fluids not deleterious to cast iron or steel. 
Location Manifolds used with atmospheric relief valves may be installed on sys-tems w/temps to –150°F (-101°C) if ambient tempera-tures are normally above 32°F (0°C) 


Catalog Number  844
Pipe Size  ¾”
Port Sizes  ¾” x ¾” x ¾”
Weight, lbs.  6 ½
Cv Values (both Ports)  6.8
Face to Face on Outlet Ports  4”
B: Center to Bottom  1 ¾”
C: Center to Top of Wheel (Open) or Seal Cap  7 1/8”
D: Center to Face of Inlet Port  2”
W: Diameter of Wheel  4”

Manifold shut-off valves are designed for use in dual relief valve installations. This valve operates with the intake and one outlet port open at all times.

  • Valve bodies are compact in design.
  • Stem is made of stainless steel.
  • Valve ports are full sized and marked for ease of installation.
  • Packing and gasket are made of Teflon.
  • Each valve comes with instructions for use attached. DO NOT DISCARD.

Additional information





Manifold Material Type

Ductile Iron

Copyright © 2024. All Rights Reserved.
JLB - Nashville Web Design & SEO Services