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81-4 ZSi-Foster Quick Disconnect Plug - 1/2" ID - Push-On Hose Stem - Steel

81-4 by ZSi-Foster | Quick Disconnect Plug | 1/2" ID | Push-On Hose Stem | Steel

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ZSi-Foster Quick Disconnect Plug Couplings - 3/8" One Way Shut-Off - 4 Series - 3/8" Plugs - Push-On Hose Stem
Specifications for Variant SKU: 81-4 ZSi-Foster
Series: 4 Series
Shape (Orientation): Straight
Ends Configuration: 1/2in Push-On Hose Barb, 3/8in Male ISO-6150 Series B Industrial Pneumatic QD Interchange
Material(s): Steel
Features:
  • High flow metal valves.
  • Precision molded seals form a "bubble tight" seal for reliable operation within rated working pressures. Nitrile (Buna-N) seals are standard. EPDM, Viton and Neoprene seals are available as options.
  • Proven ball locking mechanism with large numbers of stainless steel locking balls evenly distribute the load to resist wear and provide positive connections and allow a swiveling action to reduce hose torque.
  • Integral sleeve guard protects the sleeve and resists accidental disconnects for the "SG" series.
  • Knurling and/or grooves on the sleeve provide a gripping surface for ease of operation.
  • Wide range of body sizes, materials, options and end terminations are available to meet specific needs.
  • Accepts Industrial Interchange Plug.
  • Operation: Sleeve type couplings are widely used to connect air and low pressure fluid lines. Their compact and economical design uses a ball locking mechanism consisting of captive stainless steel balls that engage the locking groove on the mating plug. The sliding spring loaded sleeve on the socket must be manually retracted in order to connect or disconnect the plug.
  • Working Pressure: 300 PSIG; vacuum to 26" Hg
  • Interchangeability: Complies with ANSI/NFPA T3.20.14-1990 & IS0 6150-B
Specifications Body Size
1/4" 3/8" 1/2"
Rated Pressure (psi) 300 300 300
Temp. Range (Buna-N Seal) -40 deg. to +250 deg. F
Locking Device Stainless Steel Balls
Vacuum Data (inches Hg)
-- Disconnected (coupler only) Not Recommended
-- Connected 27.4 27.4 27.4
Approximate CFM at 100 (psi) 37 70 150
Male PlugPart Number Brand Female CouplerPart Number Size Description
51-4 Foster - 1/4" Steel
71-4 Foster 1714 FM1714 3/8" Steel
B-B3PS3-S Breco B-3BPS3-B 3/8" Steel
71-4B Foster - 3/8" Brass
81-4 Foster 1814 FM1814 1/2" Steel
Hose clamps not required when used with "Push On" hose.

ZSi Foster

ZSi-Foster is a leading manufacturer and supplier of highly engineered, mission critical clamping and coupling devices as well as USA-manufactured strut and strut accessories. Our clamping products are specified for the most demanding environments and applications to eliminate damage due to vibration, shock, surge and corrosion and to eliminate unwanted noise. Our coupler products provide the highest quality connections for pipe, tube and hose in hydraulic and pneumatic applications.

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