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ST4F4-B Breco by Foster | FST Series | Straight-Thru Industrial Interchange | 1/2" Female NPT Thread | Brass

ST4F4-B Breco by Foster | FST Series | Straight-Thru Industrial Interchange | 1/2" Female NPT Thread | Brass

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Foster Quick Disconnects - FST Series Straight Thru Plug - Breco
Specifications for Variant SKU: ST4F4-B ZSi-Foster
Brand: Breco
Series: ST Series
Shape (Orientation): Straight
Material(s): Brass
Interchange:
  • Straight-Thru Industrial Interchange.
  • Standard industrial interchange design, most widely used in industry. Within each series, only sockets and plugs of the same size will couple together.
Features:
  • Type: FST Straight-Thru, No valve in either socket or plug.
  • Operation: Manual - Socket sleeve must be manually retracted to connect and disconnect.
  • Options: Ball Lock (BL) - Locks socket against accidental disconnect. To connect, align ball with slot. After connection, rotate sleeve to lock. To disconnect, realign ball with slot and retract sleeve.
  • Seal Compound: Standard seals are Buna-N
  • Performance Data Flow: Couplers have same inside diameter as nominal pipe.
  • Rated Pressure: Rated pressures as defined by ANSI/B93.2-1986, based on 4:1 Safety Factor and non-shock service.
  • Vacuum Service: 27" Hg maximum
  • NOTE: Only Sockets & Plugs with same prefix digits connect together. Example: 25FS & 25MPB
Male Plug Part Number Brand Female Coupler Part Number FPT Size Description
12FPB Foster 12FS 12FSS 1/8" Brass
12FPS Foster 1/8" 303 Stainless Steel
ST1F1-B Breco 1STF1-B 1STF1-SS 1/8" Brass
ST1F1-SS Breco 1/8" 303 Stainless Steel
ST1F1-S Breco 1/8" Steel
25FP Foster 25FS 25FSS 1/4" Steel
25FPB Foster 1/4" Brass
25FPS Foster 1/4" 303 Stainless Steel
2STF2-B Breco 2STF2-B 2STF2-SS 1/4" Brass
ST2F2-SS Breco 1/4" 303 Stainless Steel
ST2F2-S Breco 1/4" Steel
ST2F2-S-E (Extended) Breco 1/4" Steel
38FP Foster 38FS 38FSS 3/8" Steel
38FPB Foster 3/8" Brass
38FPS Foster 3/8" 303 Stainless Steel
ST3F3-B Breco 3STF3-B 3STF3-SS 3/8" Brass
ST3F3-SS Breco 3/8" 303 Stainless Steel
ST3F3-S Breco 3/8" Steel
50FP Foster 50FS 50FSS 1/2" Steel
50FPB Foster 1/2" Brass
50FPS Foster 1/2" 303 Stainless Steel
ST4F4-B Breco 4STF4-B 4STF4-SS 1/2" Brass
4STF4-SS Breco 1/2" 303 Stainless Steel
75FP Foster 75FS 75FSS 3/4" Steel
75FPB Foster 3/4" Brass
75FPS Foster 3/4" 303 Stainless Steel
ST6F6-B Breco 6STF6-B 6STF6-SS 3/4" Brass
ST6F6-SS Breco 3/4" 303 Stainless Steel
100FP Foster 100FS 100FSS 1" Steel
100FPB Foster 1" Brass
100FPS Foster 1" 303 Stainless Steel
ST8F8-B Breco 8STF8-B 8STF8-SS 1" Brass
ST8F8-SS Breco 1" 303 Stainless Steel
125FP Foster 125FS 1-1/4" Steel
125FPB Foster 1-1/4" Brass
150FP Foster 150FS 1-1/2" Steel
150FPB Foster 1-1/2" Brass

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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