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 Plug 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
PB3-3
Foster
SB3-3 FMSB3-3
1/4″ x 1/2″
Steel
B-B2E2-S
Breco
–
1/4″ x 1/2″
Steel
PB3-3B
Foster
–
1/4″ x 1/2″
Brass
PB3-3S/S
Foster
SB3-3S/S
1/4″ x 1/2″
303 Stainless
PB5-3
Foster
SB5-3 FMSB5-3
1/4″ x 9/16″
Steel
PB5-3B
Foster
–
1/4″ x 9/16″
Brass
PB7-3
Foster
SB7-3 FMSB7-3
1/4″ x 5/8″
Steel
B-B2H2-S
Breco
–
1/4″ x 5/8″
Steel
PB7-3B
Foster
–
1/4″ x 5/8″
Brass
PB7-3S/S
Foster
SB7-3S/S
1/4″ x 5/8″
303 Stainless
PC5-3
Foster
SC5-3 FMSC5-3
5/16″ x 9/16″
Steel
PC7-3
Foster
SC7-3 FMSC7-3
5/16″ x 5/8″
Steel
PD7-3
Foster
SD7-3 FMSD7-3
1/4″ x 5/8″
Steel
B-B2H3-S
Breco
–
3/8″ x 5/8″
Steel
PD9-3
Foster
SD9-3 FMSD9-3
3/8″ x 11/16″
Steel
B-B2K3-S
Breco
–
3/8″ x 11/16″
Steel
PD11-3
Foster
SD11-3 FMSD11-3
3/8″ x 3/4″
Steel
PD13-3
Foster
SD13-3 FMSD13-3
3/8″ x 13/16″
Steel
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