Skip to content
Login for the best B2B Wholesale Experience.
Login for the best B2B Wholesale Experience.
BL4204S/S ZSi-Foster Quick Disconnect 1-Way Manual Socket - 3/8" FPT - Female Thread - Ball Lock, 303 Stainless

BL4204S/S by ZSi-Foster | Quick Disconnect | 1-Way Manual Socket | 3/8" FPT | Female Thread | Ball Lock | 303 Stainless Steel

Save $10.40 Save $10.40
$39.73
$39.73 - $39.73
$39.73
$29.33
$29.33 - $29.33
$29.33

ZSi-Foster Quick Disconnect Couplings - 3/8" One Way Shut-Off - 4 Series - 3/8" Manual Sockets - Female Thread
Specifications for Variant SKU: BL4204S/S ZSi-Foster
Series: 4 Series
Shape (Orientation): Straight
Ends Configuration: 3/8in Female NPT, 3/8in 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 CouplerPart Number Brand Male PlugPart Number Size Description
4004 Foster 41-4 1/4" Brass/Steel
D440 Breco B-B3F2-S 1/4" Brass/Steel
BL4004 Foster - 1/4" Ball Lock, Brass/steel
D440BL Breco - 1/4" Brass/Steel with Ball Lock
4204 Foster 43-4 3/8" Brass/Steel
D460 Breco B-B3F3-S 3/8" Brass/Steel
- Breco B-B3F3-B 3/8" Brass/Steel
BL4204 Foster - 3/8" Ball Lock, Brass/Steel
D460BL Breco - 3/8" Brass/Steel with Ball Lock
4204H Foster - 3/8" For Heat, Viton Seal, Brass/Steel
4204S Foster - 3/8" For Steam, Brass/SS, EPDM Seal
4204S/S Foster 43-4S/S 3/8" 303 Stainless Steel
BL4204S/S Foster - 3/8" Ball Lock,303 Stainless
4204W Foster - 3/8" For Water, Brass/SS, Buna-N Seal
4404 Foster 45-4 1/2" Brass/Steel
D480 Breco B-B3F4-S 1/2" Brass/Steel
BL4404 Foster - 1/2" Ball Lock, Brass/Steel
D480BL Breco - 1/2" Brass/Steel with Ball Lock

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