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Parker's high flow quick couplers and nipples are unvalved for use where fluid lines require fast and easy connection and disconnection while providing maximum flow and low pressure drop.

BST-4M
Special Price $58.22 Regular Price $116.44
Availability: Out of stock
ST Series high flow Couplers (hydraulic, fluids) up to 6700 psi connect with ST Series high flow Nipples.
Parker's ST Series are unvalved quick couplings with manual sleeves providing high flow and low pressure drop. The smooth, straight through flow path allows easy cleaning where the same lines are used for more than one media. These straight through couplers and nipples are available in a wide range of sizes and materials for pressure ranges up to 6700 psi.

Technical Characteristics:
• Sizes: 1/8” – 1-1/2”
• Materials: Brass, 303 Stainless Steel
• Port Ends: Female NPTF, Male NPTF
• Seal Options: Nitrile, EPR, Fluorocarbon, Neoprene
Other Coupler options include: Sleeve lock

Markets:
• Industrial
• Construction
• Commercial Cleaning
• Agriculture

Features/Benefits:
• Multi-purpose high flow coupling, widely used in varied applications
• Wide range of sizes and material options
• Optional coupler sleeve lock helps to prevent accidental disconnection
• Functionally interchanges with similar straight through quick couplings

Applications:  
• High pressure water
• Steam washers
• Carpet cleaners
More Information
Product Name Parker's high flow quick couplers and nipples are unvalved for use where fluid lines require fast and easy connection and disconnection while providing maximum flow and low pressure drop.
SKU BST-4M
Application Hydraulic, high flow
Connection Type NPTF
Body Material Brass
Connection Thread Size 2001-02-14
Max Operating Pressure (psi) 2200 psi
Max Operating Temp (C) #N/A
Max Operating Temp (F) 250 °F
Max Working Pressure (psi) 2200
Media Hydraulic
Minimum Operating Temperature (F) -40 °F
Parker Category High Flow (Unvalved) - Brass, Stainless Steel, Steel Quick Couplings (hydraulic, fluids) up to 6700 psi - ST Series Couplers
Seal Material Nitrile
Resources Catalog 3800 Quick Coupling Products - Quick Coupling Products - Quick Couplings, Swivels, Valves, Diagnostic Sensors and Equipment
ST Series Catalog - ST Series Catalog
Coupling Half Coupler
Flow Rate 12 Gal/min
Lock Type Locking balls
Sleeve Type Manual
Thread Style Male
Body Size (inch) 1/2