B-4BF3-B Breco by Foster | 1-Way Automatic Sockets | B Series | 1/2" Socket x 3/8" Female NPT Thread | Straight | Brass

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Foster Quick Disconnects - 3 & B Series 1/2" 1-Way Automatic Sockets - Breco

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Specifications for Variant SKU: B-4BF3-B ZSi-Foster
Brand:	Breco
Series:	B Series
Shape (Orientation):	Straight
Material(s):	Brass
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
FM4015	Foster	-	1/4"	Brass
B-4BF2-B	Breco	B-B4F3-S	1/4"	Brass
SL4015	Foster	-	1/4"	Sleeve Lock, Brass
FM5005	Foster	53-5	3/8"	Brass
SL5005	Foster	-	3/8"	Sleeve Lock, Brass
B-4BF3-B	Breco	-	3/8"	Brass
FM5005H	Foster	-	3/8"	For Heat, Viton Seal, Brass
FM5005S	Foster	-	3/8"	For Steam, Brass/SS,EPDM Seal
FM5005W	Foster	-	3/8"	For Water, Brass/SS, Buna-N Seal
FM5205	Foster	55-5	1/2"	Brass
B-4BF4-B	Breco	B-B4F4-B	1/2"	Brass
SL5205	Foster	-	1/2"	Sleeve Lock, Brass
FM5205H	Foster	-	1/2"	For Heat, Viton Seal, Brass
FM5205LV	Foster	-	1/2"	Less Valve, Brass
FM5205S	Foster	-	1/2"	For Steam,Brass/SS, EPDM Seal
FM5205W	Foster	-	1/2"	For Water,Brass/SS, Buna-N Seal
FM5405	Foster	57-5	3/4"	Brass
B-4BF6-B	Breco	B-B4F6-S	3/4"	Brass
SL5405	Foster	-	3/4"	Sleeve Lock, Brass
B-4BF6-B-SL	Breco	-	3/4"	Brass with Sleeve Lock
FM5405W	Foster	-	3/4"	For Water, Brass/SS, Buna-N Seal

[1] Swivel Plugs - Eliminates hose twist for applications such as blow guns, air tools, etc. [2] Ball check plugs eliminate hose whip at disconnect by checking the rapid flow of downstream exhaust air [3] Ball Lock (BL) - Locks manual socket against accidental disconnect. [4] Sleeve Lock (SL) - Locks automatic socket against accidental disconnect.

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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