Skip to content
Login for the best B2B Wholesale Experience.
Login for the best B2B Wholesale Experience.
BL2903S/S ZSi-Foster Quick Disconnect 1-Way Manual Socket - 1/8" MPT - Ball Lock, 303 Stainless

BL2903S/S by ZSi-Foster | Quick Disconnect | 1-Way Manual Socket | 1/8" MPT | Ball Lock | 303 Stainless Steel

Save $11.59 Save $11.59
$55.21
$55.21 - $55.21
$55.21
$43.62
$43.62 - $43.62
$43.62

ZSi-Foster Quick Disconnect Couplings - 1/4" One Way Manual Sockets - 3 Series - Male Thread
Specifications for Variant SKU: BL2903S/S ZSi-Foster
Series: 3 Series
Shape (Orientation): Straight
Ends Configuration: 1/8in Male NPT, 1/4in Female ISO-6150 Series B Industrial Pneumatic QD Interchange
Material(s): 303 Stainless Steel
Seal Material(s): Buna-N/Nitrile Rubber
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
Female Coupler Part Number Brand Male Plug Part Number Size Description
2903 Foster 12-3 12S-3 1/8" Brass/Steel
D321 Breco B-B2M1-S 1/8" Brass/Steel
BL2903 Foster - 1/8" Ball Lock
D321BL Breco - 1/8" Brass/Steel with Ball Lock
2903GB Foster - 1/8" Brass
2903GS Foster - 1/8" Steel
2903H Foster - 1/8" Steel, For Heat, Viton Seal
2903S Foster - 1/8" Brass/SS, For Steam, EPDM Seal
2903S/S Foster 12-3S/S 1/8" 303 Stainless Steel
BL2903S/S Foster - 1/8" Ball Lock, 303 Stainless
3103 Foster 10-3 10S-3 10-3G 10-3D 1/4" Brass/Steel
D341 Breco B-B2M2-S 1/4" Brass/Steel
BL3103 Foster - 1/4" Brass/Steel, Ball Lock
D341BL Breco - 1/4" Brass/Steel with Ball Lock
3103D Foster - 1/4" Brass/Steel, w/Dill Valve
3103GB Foster - 1/4" Brass
3103GS Foster - 1/4" Steel
3103H Foster - 1/4" Steel, For Heat, Viton Seal
3103LV Foster - 1/4" Brass/Steel, Less Valve
3103S Foster - 1/4" Brass/SS, For Steam, EPDM Seal
3103S/S Foster 10-3S/S 10-3GS/S 1/4" 303 Stainless Steel
BL3103S/S Foster - 1/4" Ball Lock, 303 Stainless
BL3103S/S-104 Foster - 1/4" Ball Lock, 303 Stainless, w/Silicone Seal
3103S/SH Foster - 1/4" 303 Stainless, For Heat, Viton Seal
3103S/SLV Foster - 1/4" 303 Stainless, Less Valve
3103W Foster - 1/4" Brass/SS, For Water, Buna-N Seal
BL3103W Foster - 1/4" Ball Lock, For Water, Brass/SS, Buna-N Seal
3303 Foster 14-3 14S-3 14-3GB 3/8" Brass/Steel
BL3303 Foster - 3/8" Ball Lock
D361BL Breco - 3/8" Brass/Steel with Ball Lock
3303GB Foster - 3/8" Brass
3303GS Foster - 3/8" Steel
3303H Foster - 3/8" Steel, For Heat, Viton Seal
3303S/S Foster - 3/8" 303 Stainless Steel
BL3303S/S Foster - 3/8" Ball Lock, 303 Stainless
3303W Foster - 3/8" Brass/SS, For Water, Buna-N Seal

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.

Shop Parts by ZSi Foster