Page 30 - Parker - Quick Coupling Products

Pneumatic Quick Couplings Universal Couplers
Accepts three types of Nipples
General Purpose Push-to-connect sleeve, single shut off

UC Series Pneumatic Quick Couplers connect with Industrial
Interchange, 10 series (Tru-Flate), and 50 series (ARO 210) style
nipples. While the best performance is obtained by matching
like series couplers and nipples, the Universal Coupler permits
multiple series nipples to mate with one coupler. A Pneumatics
Features: Applications include:
• Sleeve guard protects • Air compressors
against accidental • Pneumatic tools
disconnection
• Push-to-connect operation • Drop-down air lines
• Brass construction
• One coupler connects with
three nipple styles

Performance UC Series Coupler (1/4" size) UC Series Specifications
35 Rated Temperature
Body Pressure Range Locking Vacuum
30 Size (psi) (Nitrile seals) Device Service
Not
25 1/4" 1/4 150 -40º to +250º F 4 balls Recommended
Air Flow in SCFM 20 UC - 251 - 4 FP - * * Contact the Division for availability

15

10 UC Series Seal Options
Blank - Nitrile
F - Fluorocarbon
5 E - Ethylene Propylene
Body Size Port Conguration
0 25 - 1/4" FP - Female Pipe
0 5 10 15 20 MP - Male Pipe
Pressure Drop in PSID HB - Standard Hose Barb*
100 PSI Inlet Pressure Unit PL - Push-Lok Hose Barb*
80 PSI Inlet Pressure 1 - Valved Coupler Port Size (1/16 of an inch)

Couplers - Female Pipe Thread

Body Part No. Largest
Size Brass Thread Size Length Diameter Wrench Flats Weight (lbs.)
1/4 UC-251-4FP 1/4-18 NPSF 2.06 0.98 0.81 0.23
1/4 UC-251-6FP 3/8-18 NPSF 2.21 0.98 0.81 0.23

Couplers - Male Pipe Thread

Body Part No. Largest
Size Brass Thread Size Length Diameter Wrench Flats Weight (lbs.)
1/4 UC-251-4MP 1/4-18 NPTF 2.21 0.98 0.81 0.22
1/4 UC-251-6MP 3/8-18 NPTF 2.24 0.98 0.81 0.23

A-27 Parker Hannifin Corporation
Quick Coupling Division
Minneapolis, MN
www.parker.com/quickcouplings