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Parker's general purpose quick couplers and nipples are ideal for use in hydraulic applications where fluid lines require fast and easy connection and disconnection.

SM-251-6FP
Special Price $68.75 Regular Price $137.49
Availability: 11
SM Series Couplers (hydraulic) up to 6000 psi connect with SM Series Nipples. Parker's SM Series are double shut-off quick couplings with manual sleeves and poppet valves. Female port end options include NPTF, O-ring Boss, and BSPP styles.

Technical Characteristics:
• Sizes: 1/4” – 3/4”
• Material: Steel
• Port Ends: Female NPTF, Female ORB, Female BSPP
• Seal Options: Nitrile, EPR, Fluorocarbon, Neoprene
• Other Coupler options include: Sleeve Lock

Markets:
• Industrial
• Construction
• Agriculture

Features/Benefits:
• Poppet valves have captive seals to minimize seal washout
• Standard end configurations include Female NPTF, Female ORB, Female BSPP

Applications:  
• Industrial hydraulic lines
• Mobile equipment
More Information
Product Name Parker's general purpose quick couplers and nipples are ideal for use in hydraulic applications where fluid lines require fast and easy connection and disconnection.
SKU SM-251-6FP
Application Hydraulic, general purpose
Connection Type NPTF
Body Material Steel
Connection Thread Size 2003-08-18
Max Operating Temp (C) #N/A
Max Operating Temp (F) 250 °F
Max Working Pressure (psi) 6000
Media Hydraulic
Minimum Operating Temperature (F) -40 °F
Parker Category High Pressure, Steel Quick Couplings with Female NPTF, BSPP, ORB Ports (hydraulic) up to 6000 psi - SM Series Couplers
Plating Type Zinc with clear trivalent chromate
Seal Material Nitrile
Resources Catalog 3800 Quick Coupling Products - Quick Coupling Products - Quick Couplings, Swivels, Valves, Diagnostic Sensors and Equipment
SM Series Catalog - SM Series Catalog
Coupling Half Coupler
Flow Rate 3 Gal/min
Lock Type Locking balls
Sleeve Type Manual sleeve
Thread Size Female
Body Size (inch) 1/4