Pif check valves – Norgren Flow Controls User Manual
Page 14
FIT-3-14
Littleton, CO USA
Phone 303-794-2611
www.norgren.com
PIF Check Valves
● Allow free flow in one direction only
● Low cracking pressure
● PIF-PIF, PIF-Male and Male-PIF alternatives
● Non-PTFE based thread sealant on taper threads
● Releasable grab ring technology combining
plastic and brass components for a compact
and superior fitting design
● Molded mounting brackets on tub connector
designs
● Low weight design
● Red release sleeve indicating metric tube sizes
● Grey release sleeve indicating inch tube sizes
● Easy tube insertion for rapid and quick
assembly of pneumatic circuits
● Reliable and corrosion resistant
● Silicon free
● Color coding option with tamper-resistant
feature
T-51, T-52, T-53 Series
Inch and Metric O/D Tube
Technical Data
Medium: Compressed Air, filtered, lubricated or non-lubricated,vacuum
Operating Pressure:
1.5 to 145 psig (0.1 to 10 bar) (T51, T52)
4.4 to 145 psig (0.3 to 10 bar) (T53)
-1.5 to -14.5 psig (-0.1 to -1 bar) vacuum (T51, T52)
Ambient Temperature:
0° to 175°F (-20˚C* to 80˚C)
Consult our Technical Service for use below 35°F (2°C)
Mounting:
Tube/tube PIF
Tube PIF/male thread
Male threaded/tube PIF
Alternative Models
T55, T56 range of aluminum threaded non return valves.
TS/520 range of brass threaded non return valve.
Materials
5/32" – 5/16"
Body: Plastic PBT
Seal: Silicon free nitrile
Valve: Plastic PBT
Insert: Natural brass
Spring: Stainless steel
Grab Ring: Stainless steel - BS 1440
PT 2, grade 301.S21 (4-6-8 sizes)
OD-5 collet system
T-52 and T-53 series, nickel brass threads.
3/8" – 1/2" sizes
Collet: Nickel plated brass
Body: Black anodized aluminum
Valve and Insert: Aluminum
Ordering Information
To order, quote model number from table on page
FIT-3-15, e.g. T51Y0004 for the 1/4" model.
NOTE: T51 and T52 flow is threaded end to push-
in (check is in reverse).
T53 flow is from push-in to threaded end
(check is in reverse).
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ISO Symbol