4DSF4-S Breco by Foster | DS Series | Two Way Shut-Off | Quick Disconnect | 1/2" Socket x 1/2" Female NPT Thread | Straight | Steel

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Foster Quick Disconnects - FHK & DS Series 1/2" Two Way Shut-Off, Plugs and Sockets - Breco

Specifications for Variant SKU: 4DSF4-S ZSi-Foster
Brand:	Breco
Series:	DS Series
Shape (Orientation):	Straight
Material(s):	Steel

Interchange:
Compatible with ISO 7241-1, Series B.
Applications:
FHK Series sockets incorporate valves in both socket and plug halves to prevent fluid loss when the socket is disconnected. These sockets are normally referred to as "hydraulic couplings", but they are used extensively with other media where objectionable. The FHK Series sockets are available in ROHS compliant steel and brass.
Features:
Type: FHK, Two-Way Shutoff , Both socket and plug are sealed at disconnect. Operation: Manual - Socket sleeve must be manually retracted to connect and disconnect. Seal Compound: Standard seals are Buna-N. Interchangeability: Standard, most widely used, industrial interchange design. Within each series, only sockets and plugs of the same size will couple to gether. Compatible with ISO 7241-1, Series B. Ordering information: FHK Series couplings are available in ROHS compliant plated steel, brass, and 303 Stainless as standard. Brass couplings have double O-Ring seals (excluding 1/8") and stainless locking balls. Standard seals are Buna-N (Nitrile). Consult factory for optional seals. Vacuum Service: 27" Hg. maximum Rated pressures as defined by ANSI/B93.2-1986 based on 4:1 Safety Factor and non-shock service. NOTE: Only Sockets & Plugs with same prefix digits connect together. Example: 25FS & 25MPB 1 ISO B, Hardened plugs and sleeves constructed from solid bar stock ensures long service life and maximum resistance to damage from hydraulic and mechanical shock. 2 High flow capacity 3 Foster's conical valve with its 360 deg. metal to metal valve stop maintains valve alignment and ensures that poppets open fully every time. 4 Captive valve seal ensures "bubble tight" poppet sealing since seal is positively captured by the metal poppet to minimize seal washout or damage from high fluid velocity. 5 Ball locking mechanism ensures reliable connections every time. Many ball bearings distribute the load while providing alignment and excellent swiveling action to reduce hose torque and prolong hose life. 6 Broad range of metals and seal materials allow the use of most fluids.
Female Coupler Part Number	Brand	Male Plug Part Number	Socket Dust Plug	Thread	Description
H4S	Foster	K4S K4B K4S/S	H4DP B4DP	1/2"	Steel
4DSF4-S	Breco	DS4F4-S	-	1/2"	Steel
H4S-101	Foster	-	-	1/2"	Steel w/Viton Seal
H4S-103	Foster	-	-	1/2"	Steel w/EPDM Seal
H4B	Foster	K4S K4B K4S/S	H4DP B4DP	1/2"	Brass
4DSF4-B	Breco	DS4F4-B	BH6-65M	1/2"	Brass
H4B-101	Foster	-	-	1/2"	Brass, w/Viton Seal
H4B-102	Foster	-	-	1/2"	Brass, w/Neoprene Seal
H4B-103	Foster	-	-	1/2"	Brass, w/Ethylene Propylene Seal
H4S/S	Foster	K4S K4B K4S/S	H4DP B4DP	1/2"	303 Stainless Steel
4DSF4-SS	Breco	DS4F4-SS	-	1/2"	303 Stainless Steel
H4S/S-101	Foster	-	-	1/2"	303 Stainless, w/Viton Seal
H4S/S-103	Foster	-	-	1/2"	303 Stainless, w/Viton Seal
BLH4S	Foster	-	-	1/2"	Steel Ball Lock
BLH4B	Foster	-	-	1/2"	Brass Ball Lock
BLH4S/S	Foster	-	-	1/2"	303 Stainless Sleeve Lock
H4S10	Foster	K4S10	-	7/8-14*	Steel
BLH4S10	Foster	-	-	7/8-14*	Steel Ball Lock
-	Breco	DS4F4-SS316	-	1/2"	316 Stainless Steel

* SAE straight thread O-ring seal boss

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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