Page 428 - Brass, Composite and Thermoplastic Fittings and Valves

Catalog 3501E

Assembly Guides

Pipe Fittings Plug Valves
Straight Fittings
1. Hand tighten external To assure sealability and
thread into internal thread reliable performance, the
2. Tighten an additional 2 valve must be installed So
that the flow media travels
turns with a wrench up to in the direction of the arrow
1/2” male pipe thread. on the valve handle.
3. Above 1/2” 1 1/2
to 2 1/2 turns.

Elbow or Tee Fittings Needle Valves
1. Hand tighten external
thread into internal thread Needle valves should
always be installed with the
2. Tighten an additional 1 to pressure against the seat.
1 1/2 turns with a wrench
3. Tighten fitting, clockwise
to align with tubing. (Never
counter clockwise)
Note: To minimize the
possibility of a leaking
threaded joint after
assembling Male to female
pipe threads, neither
end should be backed
out (loosened) Once the
assembly has been made.

Parker Hannifin Corporation | Fluid System Connectors | Otsego, MI N28