Skip to content
Login for the best B2B Wholesale Experience.
Login for the best B2B Wholesale Experience.
BL4704 ZSi-Foster Quick Disconnect 1-Way Manual Socket - 5/16" ID - Hose Stem - Ball Lock, Brass/Steel

BL4704 by ZSi-Foster | Quick Disconnect | 1-Way Manual Socket | 5/16" ID | Hose Stem | Ball Lock | Brass/Steel

Save $2.20 Save $2.20
$19.78
$19.78 - $19.78
$19.78
$17.58
$17.58 - $17.58
$17.58

ZSi-Foster Quick Disconnect Couplings - 3/8" One Way Shut-Off - 4 Series - 3/8" Manual Sockets - Hose Stem
Specifications for Variant SKU: BL4704 ZSi-Foster
Series: 4 Series
Shape (Orientation): Straight
Ends Configuration: 5/16in Hose Barb, 3/8in Female ISO-6150 Series B Industrial Pneumatic QD Interchange
Material(s): Brass, 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
4604 Foster 46-4 1/4" Brass/Steel
D442 Breco B-B3S2-S 1/4" Brass/Steel
BL4604 Foster - 1/4" Ball Lock, Brass/steel
D442BL Breco - 1/4" Brass/Steel with Ball Lock
4604W Foster - 1/4" For Water, Brass/SS, Buna-N Seal
4704 Foster 47-4 5/16" Brass/Steel
D452 Breco - 5/16" Brass/Steel
BL4704 Foster - 5/16" Ball Lock, Brass/Steel
D452BL Breco - 5/16" Brass/Steel with Ball Lock
4804 Foster 48-4 3/8" Brass/Steel
- Breco B-B3S3-S 3/8" Steel
BL4804 Foster - 3/8" Ball Lock, Brass/Steel
4804S Foster - 3/8" For Steam, Brass/SS, EPDM Seal
4804W Foster - 3/8" For Water, Brass/SS, Buna-N Seal
4904 Foster 49-4 1/2" Brass/Steel
D482 Breco B-B3S4-S 1/2" Brass/Steel
BL4904 Foster - 1/2" Ball Lock, Brass/Steel
D482BL Breco - 1/2" Brass/Steel with Ball Lock
4904S Foster - 1/2" For Steam, Brass/SS, EPDM Seal
Requires Hose Clamp>"
ZSi Foster

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