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APneumatics General Purpose � Manual Connect Pneumatic Quick Couplings 20 Series Industrial Interchange How to Order Information The standard 1/4" 20 Series is a brass coupler with a steel valve.The larger sizes are an all steel construction with brass available as an option.To order a 3/8" or 1/2" body size coupler with a brass body and a steel sleeve and valve, add the prefix "B" to the steel part number. Example: B16. Add the suffix "N" as well as the "B" prefix to order an all brass coupler with stainless steel locking balls and springs, Example: B25N. All-brass couplings should be used to avoid corrosion from moisture. Consult factory for specific recommendations. Available with Sleeve-Lok (See Coupler Options at the beginning of Section A).To order, add "-SL" as a suffix to the part number, Example: 25-SL. Available for 1/4" 20 Series couplers is a Grip-Ring sleeve (See Coupler Options).To order, add the suffix "R" to the part number, Example: B23R. Applications Features Sleeve type couplings are widely used to connect air lines � Parker 20 Series sleeve type couplers accept industrial andSCFMinFlow can also be used with low pressure fluids. interchange nipples manufactured by Parker and other manufacturers. Their compact and economical design uses a ball locking mechanism consisting of captive steel balls that engage the � Standard seals are Buna-N (Nitrile). See the Coupling locking groove on the mating nipple.The sliding spring loaded Selection and Ordering Information Guide at the beginning sleeve on the coupler must be manually retracted in order to of Section A and the Fluid Compatibility Chart at the end of connect or disconnect the nipple. It is easy to do, but two this catalog for optional materials. hands are normally required. Common applications include: compressed air, water, grease, paint, limited vacuum and limited gases. Specifications Body Size (in.) 1/4 3/8 1/2 Performance Rated Pressure (psi) 300 300 300 Temperature Range (seals)* -40� to +250� F. 20 Series (1/4; 3/8; 1/2) 200 200 Locking Device 4 balls 8 balls 8 balls Vacuum Data (inches Hg) 1/ 2" Disconnected (coupler only) Not recommended 100 100 Connected 27.4 27.4 27.4 90 90 80 80 * See Coupling Selection and Ordering Guide for Optional Seals 70 70 See Coupling Repair Kits Table on introduction page to General 60 60 Purpose - Manual Connect Couplers 50 50 3/ 8" 40 40 30 30 20 20 1/ 4" 10 10 2 3 4 5 6 7 8 9 10 20 Pressure Drop in PSID 100 PSI 80 PSI (Inlet Pressure) Quick Coupling Division 8145 Lewis Road � Minneapolis, MN 55427 A-12 www.parker.com/quickcouplings
Goodyear Rubber Products
