Soft Seat Needle Valves - 316 SST and Alloy
Steel, Standard Port
Recommended where
bubble-tight seal and shutoff of liquids or gases are required. The design
includes a replaceable Delrin sleeve insert for added valve life.
Operating Specifications
Maximum Operating Pressure 6,000 psi (42,000 kPa)
Minimum Burst
Pressure 12,000
psi (84,000 kPa)
Temperature Limits
to 200
degrees fahrenheit (93 degrees celcius)
Flow Coefficients
(Cv) See part number table
Design Features
Body
and Bonnet Material:
316 stainless steel or
AISI 1213 alloy steel
Stem Material:
316 stainless steel with stainless body, 303 stainless steel
with alloy steel body
Bonnet Cap
(Protective Cover):
Polyethelene, red
Packing:
Viton O-ring and Telflon
backup ring (nylon backup ring for 1" size)
Handle:
Two-prong. Stainless steel
for 1/4" through 1/2" sizes. Malleable iron for stainless steel,
1" size. Cast aluminum for alloy, 1/4" through 1/2" sizes.
Malleable iron for alloy, 1" size.
Connection: National
Pipe Thread, meeting specifications of Federal Standard H-28.
Finish:
Stainless steel is passivated (surface
contamination removed). Alloy steel has a zinc plated finish.
Assembly: Bonnet
-pin lock is standard for all soft-seat needle valves.
