Skip to content
Login for the best B2B Wholesale Experience.
Login for the best B2B Wholesale Experience.
4KF4-SS by Dixon Valve | Hydraulic Quick Disconnect Coupling | K-Series | 1/2" Female NPTF x 1/2" ISO-A Interchange | Socket | Nitrile Seals | 316 Stainless Steel
4KF4-SS by Dixon Valve | Hydraulic Quick Disconnect Coupling | K-Series | 1/2" Female NPTF x 1/2" ISO-A Interchange | Socket | Nitrile Seals | 316 Stainless Steel
4KF4-SS by Dixon Valve | Hydraulic Quick Disconnect Coupling | K-Series | 1/2" Female NPTF x 1/2" ISO-A Interchange | Socket | Nitrile Seals | 316 Stainless Steel

4KF4-SS by Dixon Valve | Hydraulic Quick Disconnect Coupling | K-Series | 1/2" Female NPTF x 1/2" ISO-A Interchange | Socket | Nitrile Seals | 316 Stainless Steel

Save $95.25 Save $95.25
$238.13
$238.13 - $238.13
$238.13
$142.88
$142.88 - $142.88
$142.88

Dixon Valve & Coupling
Hydraulic Coupling: K-Series ISO-A Interchange Coupler (Female Threads)
Specifications for Variant SKU: 4KF4-SS Dixon
Series: K-Series
Shape (Orientation): Straight
Ends Configuration: 1/2in Female ISO-A QD Interchange, 1/2in Female NPTF
Material(s): 316 Stainless Steel
Seal Material(s): Buna-N/Nitrile Rubber
Compatibility & Interchange:
  • Interchangeable to ISO7241 Series 'A'
  • Parker 6600-Series, Danfoss/Aeroquip/Eaton FD56 (5600)
  • Faster ANV, Hansen HA 15000, Safeway S56-Series
Construction:
  • Machined components are manufactured using solid bar stock.
  • Stainless steel balls, retaining rings and springs maximize corrosion resistance and extend service life.
  • Steel componentry is plated using ROHS Compliant Trivalent Chrome.
  • Steel coupler sleeves are hardened to resist deformation and maximize service life.
  • Nitrile seals are standard, providing a temperature range of -40°F to 250°F (-40°C to 121°C).
  • Couplers have a PTFE Anti-Extrusion ring.
  • Valve seals are crimped in place to maintain integrity during excessive flow conditions and pressurized connection.
Features:
  • Poppet style shut-off valve.
Additional Information:
K-Series | ISO-A Interchange Coupler (Female Threads)
Part
Number		 Coupling
Type		 Body
Size		 Threads Material Length Max.
OD		 Hex Max.
Operating
Pressure		 Burst
Pressure
2KF1 Socket/Female 1/4" 1/8" - 27 Female NPTF Steel 1.89"
(47.9mm)		 1.00"
(25.4mm)		 3/4" 5000 PSI
(345 bar)		 18270 PSI
(1200 bar)
2KF2 Socket/Female 1/4" 1/4" - 18 Female NPTF Steel 1.89"
(47.9mm)		 1.00"
(25.4mm)		 3/4" 5000 PSI
(345 bar)		 18270 PSI
(1200 bar)
2KF2-SS Socket/Female 1/4" 1/4" - 18 Female NPTF 316 Stainless 1.89"
(47.9mm)		 1.00"
(25.4mm)		 3/4" 4,500 PSI
(300 bar)		 30,500 PSI
(2,100 bar)
2KBF2 Socket/Female 1/4" 1/4" - 19 Female BSPP Steel 1.89"
(47.9mm)		 1.00"
(25.4mm)		 3/4" 5,000 PSI
(345 bar)		 18,270 PSI
(1,200 bar)
2KBF2-SS Socket/Female 1/4" 1/4" - 19 Female BSPP 316 Stainless 1.89"
(47.9mm)		 1.00"
(25.4mm)		 3/4" 4,500 PSI
(300 bar)		 30,500 PSI
(2,100 bar)
2KOF2 Socket/Female 1/4" 7/16" - 20 Female ORB Steel 1.89"
(47.9mm)		 1.00"
(25.4mm)		 3/4" 5000 PSI
(345 bar)		 18270 PSI
(1200 bar)
3KF3 Socket/Female 3/8" 3/8" - 18 Female NPTF Steel 2.23"
(56.5mm)		 1.19"
(30.2mm)		 7/8" 4000 PSI
(275 bar)		 18270 PSI
(1200 bar)
3KF3-SS Socket/Female 3/8" 3/8" - 18 Female NPTF 316 Stainless 2.23"
(56.5mm)		 1.19"
(30.2mm)		 7/8" 3,750 PSI
(250 bar)		 16,000 PSI
(1,100 bar)
3KBF3 Socket/Female 3/8" 3/8" - 19 Female BSPP Steel 2.23"
(56.5mm)		 1.19"
(30.2mm)		 7/8" 4000 PSI
(275 bar)		 18270 PSI
(1200 bar)
3KBF3-SS Socket/Female 3/8" 3/8" - 19 Female BSPP 316 Stainless 2.23"
(56.6mm)		 1.19"
(30.2mm)		 7/8" 3,750 PSI
(250 bar)		 16,000 PSI
(1,100 bar)
3KOF3 Socket/Female 3/8" 9/16" - 18 Female ORB Steel 2.23"
(56.6mm)		 1.19"
(30.2mm)		 7/8" 4000 PSI
(275 bar)		 18270 PSI
(1200 bar)
4KF4 Socket/Female 1/2" 1/2" - 14 Female NPTF Steel 2.62"
(66.5mm)		 1.49"
(37.8mm)		 1-1/16" 4000 PSI
(275 bar)		 16500 PSI
(1100 bar)
4KF4-SS Socket/Female 1/2" 1/2" - 14 Female NPTF 316 Stainless 2.62"
(66.5mm)		 1.49"
(37.8mm)		 1-1/16" 3,750 PSI
(250 bar)		 18,000 PSI
(1,200 bar)
4KBF4 Socket/Female 1/2" 1/2" - 14 Female BSPP Steel 2.62"
(66.5mm)		 1.49"
(37.8mm)		 1-1/16" 4000 PSI
(275 bar)		 16500 PSI
(1100 bar)
4KBF4-SS Socket/Female 1/2" 1/2" - 14 Female BSPP 316 Stainless 2.62"
(66.5mm)		 1.49"
(37.8mm)		 1-1/16" 3,750 PSI
(250 bar)		 18,000 PSI
(1,200 bar)
4KOF4 Socket/Female 1/2" 3/4" - 16 Female ORB Steel 2.62"
(66.5mm)		 1.49"
(37.8mm)		 1-1/16" 4000 PSI
(275 bar)		 16500 PSI
(1100 bar)
4KOF5 Socket/Female 1/2" 7/8" - 14 Female ORB Steel 2.66"
(67.6mm)		 1.49"
(37.8mm)		 1-3/32" 4000 PSI
(275 bar)		 16500 PSI
(1100 bar)
4KF6 Socket/Female 1/2" 3/4" - 14 Female NPTF Steel 2.64"
(66.9mm)		 1.49"
(37.8mm)		 1-5/16" 4000 PSI
(275 bar)		 16500 PSI
(1100 bar)
6KF6 Socket/Female 3/4" 3/4" - 14 Female NPTF Steel 3.23"
(82.0mm)		 1.86"
(47.2mm)		 1-5/16" 4000 PSI
(275 bar)		 14800 PSI
(1000 bar)
6KF6-SS Socket/Female 3/4" 3/4" - 14 Female NPTF 316 Stainless 3.23"
(82.0mm)		 1.86"
(47.2mm)		 1-5/16" 3,000 PSI
(200 bar)		 12,000 PSI
(800 bar)
6KBF6 Socket/Female 3/4" 3/4" - 14 Female BSPP Steel 3.23"
(82.0mm)		 1.86"
(47.2mm)		 1-5/16" 4000 PSI
(275 bar)		 14800 PSI
(1000 bar)
6KBF6-SS Socket/Female 3/4" 3/4" - 14 Female BSPP 316 Stainless 3.23"
(82.0mm)		 1.86"
(47.2mm)		 1-5/16" 3,000 PSI
(200 bar)		 12,000 PSI
(800 bar)
6KOF6 Socket/Female 3/4" 1-1/16" - 12 Female ORB Steel 3.23"
(82.0mm)		 1.86"
(47.2mm)		 1-5/16" 4000 PSI
(275 bar)		 14800 PSI
(1000 bar)
8KF8 Socket/Female 1" 1" - 11-1/2 Female NPTF Steel 3.88"
(98.6mm)		 2.10"
(53.3mm)		 1-5/8" 4000 PSI
(275 bar)		 12400 PSI
(850 bar)
8KF8-SS Socket/Female 1" 1" - 11-1/2 Female NPTF 316 Stainless 3.88"
(98.6mm)		 2.10"
(53.3mm)		 1-5/8" 3,000 PSI
(200 bar)		 12,000 PSI
(800 bar)
8KBF8 Socket/Female 1" 1" - 11 Female BSPP Steel 3.88"
(98.6mm)		 2.10"
(53.3mm)		 1-5/8" 4000 PSI
(275 bar)		 12400 PSI
(850 bar)
8KBF8-SS Socket/Female 1" 1" - 11 Female BSPP 316 Stainless 3.88"
(98.6mm)		 2.10"
(53.3mm)		 1-5/8" 3,000 PSI
(200 bar)		 12,000 PSI
(800 bar)
8KOF8 Socket/Female 1" 1-5/16" - 12 Female ORB Steel 3.88"
(98.6mm)		 2.10"
(53.3mm)		 1-5/8" 4000 PSI
(275 bar)		 12400 PSI
(850 bar)
10KF10 Socket/Female 1-1/4" 1-1/4" - 11-1/2 Female NPT Steel 4.61"
(117.0mm)		 2.76"
(70.0mm)		 2" 3000 PSI
(200 bar)		 12600 PSI
(850 bar)
10KBF10 Socket/Female 1-1/4" 1-1/4" - 11 Female BSPP Steel 4.61"
(117.0mm)		 2.76"
(70.0mm)		 2" 3000 PSI
(200 bar)		 12600 PSI
(850 bar)
12KF12 Socket/Female 1-1/2" 1-1/2" - 11-1/2 Female NPTF Steel 5.24"
(133.0mm)		 3.33"
(84.5mm)		 2-3/8" 3000 PSI
(200 bar)		 12600 PSI
(850 bar)
12KBF12 Socket/Female 1-1/2" 1-1/2" - 11 Female BSPP Steel 5.24"
(133.0mm)		 3.33"
(84.5mm)		 2-3/8" 3000 PSI
(200 bar)		 12600 PSI
(850 bar)
16KF16 Socket/Female 2" 2" - 11-1/2 Female NPTF Steel 6.50"
(165.0mm)		 3.94"
(100.0mm)		 3" 1450 PSI
(100 bar)		 5800 PSI
(400 bar)
16KBF16 Socket/Female 2" 2" - 11 Female BSPP Steel 6.50"
(165.0mm)		 3.94"
(100.0mm)		 3" 1450 PSI
(100 bar)		 5800 PSI
(400 bar)
K-Series | ISO-A Interchange Plug (Female Threads)
Part
Number		 Coupling
Type		 Body
Size		 Threads Material Length Max.
OD		 Hex Max.
Operating
Pressure		 Burst
Pressure
K2F1 Plug/Male 1/4" 1/8" - 27 Female NPTF Steel 1.22"
(31.0mm)		 0.87"
(22.1mm)		 3/4" 5000 PSI
(345 bar)		 18270 PSI
(1200 bar)
K2F2 Plug/Male 1/4" 1/4" - 18 Female NPTF Steel 1.22"
(31.0mm)		 0.87"
(22.1mm)		 3/4" 5000 PSI
(345 bar)		 18270 PSI
(1200 bar)
K2F2-SS Plug/Male 1/4" 1/4" - 18 Female NPTF 316 Stainless 1.22"
(31.0mm)		 0.87"
(22.1mm)		 3/4" 4,500 PSI
(300 bar)		 30,500 PSI
(2,100 bar)
K2BF2 Plug/Male 1/4" 1/4" - 19 Female BSPP Steel 1.22"
(31.0mm)		 0.87"
(22.1mm)		 3/4" 5000 PSI
(345 bar)		 18270 PSI
(1200 bar)
K2BF2-SS Plug/Male 1/4" 1/4" - 19 Female BSPP 316 Stainless 1.22"
(31.0mm)		 0.87"
(22.1mm)		 3/4" 4,500 PSI
(300 bar)		 30,500 PSI
(2,100 bar)
K2OF2 Plug/Male 1/4" 7/16" - 20 Female ORB Steel 1.22"
(31.0mm)		 0.87"
(22.1mm)		 3/4" 5000 PSI
(345 bar)		 18270 PSI
(1200 bar)
K3F3 Plug/Male 3/8" 3/8" - 18 Female NPTF Steel 1.70"
(43.2mm)		 0.97"
(24.6mm)		 7/8" 4000 PSI
(275 bar)		 18270 PSI
(1200 bar)
K3F3-SS Plug/Male 3/8" 3/8" - 18 Female NPTF 316 Stainless 1.70"
(43.2mm)		 0.97"
(24.6mm)		 7/8" 3,750 PSI
(250 bar)		 16,000 PSI
(1,100 bar)
K3BF3 Plug/Male 3/8" 3/8" - 19 Female BSPP Steel 1.70"
(43.2mm)		 0.97"
(24.6mm)		 7/8" 4000 PSI
(275 bar)		 18270 PSI
(1200 bar)
K3BF3-SS Plug/Male 3/8" 3/8" - 19 Female BSPP 316 Stainless 1.70"
(43.2mm)		 0.97"
(24.6mm)		 7/8" 3,750 PSI
(250 bar)		 16,000 PSI
(1,100 bar)
K3OF3 Plug/Male 3/8" 9/16" - 18 Female ORB Steel 1.70"
(43.2mm)		 0.97"
(24.6mm)		 7/8" 4000 PSI
(275 bar)		 18270 PSI
(1200 bar)
K4F4 Plug/Male 1/2" 1/2" - 14 Female NPTF Steel 1.77"
(45.0mm)		 1.23"
(31.2mm)		 1-1/16" 4000 PSI
(275 bar)		 16500 PSI
(1100 bar)
K4F4-SS Plug/Male 1/2" 1/2" - 14 Female NPTF 316 Stainless 1.77"
(45.0mm)		 1.23"
(31.2mm)		 1-1/16" 3,750 PSI
(250 bar)		 18,000 PSI
(1,200 bar)
K4BF4 Plug/Male 1/2" 1/2" - 14 Female BSPP Steel 1.77"
(45.0mm)		 1.23"
(31.2mm)		 1-1/16" 4000 PSI
(275 bar)		 16500 PSI
(1100 bar)
K4BF4-SS Plug/Male 1/2" 1/2" - 14 Female BSPP 316 Stainless 1.77"
(45.0mm)		 1.23"
(31.2mm)		 1-1/16" 3,750 PSI
(250 bar)		 18,000 PSI
(1,200 bar)
K4OF4 Plug/Male 1/2" 3/4" - 16 Female ORB Steel 1.77"
(45.0mm)		 1.23"
(31.2mm)		 1-1/16" 4000 PSI
(275 bar)		 16500 PSI
(1100 bar)
K4OF5 Plug/Male 1/2" 7/8" - 14 Female ORB Steel 1.77"
(45.0mm)		 1.23"
(31.2mm)		 1-1/16" 4000 PSI
(275 bar)		 16500 PSI
(1100 bar)
K4F6 Plug/Male 1/2" 3/4" - 14 Female NPTF Steel 1.77"
(45.0mm)		 1.37"
(34.8mm)		 1-3/16" 4000 PSI
(275 bar)		 16500 PSI
(1100 bar)
K6F6 Plug/Male 3/4" 3/4" - 14 Female NPTF Steel 2.43"
(61.7mm)		 1.44"
(36.6mm)		 1-5/16" 4000 PSI
(275 bar)		 14800 PSI
(1000 bar)
K6F6-SS Plug/Male 3/4" 3/4" - 14 Female NPTF 316 Stainless 2.43"
(61.7mm)		 1.44"
(36.6mm)		 1-5/16" 3,000 PSI
(200 bar)		 12,000 PSI
(800 bar)
K6BF6 Plug/Male 3/4" 3/4" - 14 Female BSPP Steel 2.43"
(61.7mm)		 1.44"
(36.6mm)		 1-5/16" 4000 PSI
(275 bar)		 14800 PSI
(1000 bar)
K6BF6-SS Plug/Male 3/4" 3/4-14 Female BSPP 316 Stainless 2.43"
(61.7mm)		 1.44"
(36.6mm)		 1-5/16" 3,000 PSI
(200 bar)		 12,000 PSI
(800 bar)
K6OF6 Plug/Male 3/4" 1-1/16" - 12 Female ORB Steel 2.43"
(61.7mm)		 1.44"
(36.6mm)		 1-5/16" 4000 PSI
(275 bar)		 14800 PSI
(1000 bar)
K8F8 Plug/Male 1" 1" - 11-1/2 Female NPTF Steel 2.87"
(72.9mm)		 1.79"
(45.5mm)		 1-5/8" 4000 PSI
(275 bar)		 12400 PSI
(850 bar)
K8F8-SS Plug/Male 1" 1" - 11-1/2 Female NPTF 316 Stainless 2.87"
(72.9mm)		 1.79"
(45.5mm)		 1-5/8" 3,000 PSI
(200 bar)		 12,000 PSI
(800 bar)
K8BF8 Plug/Male 1" 1" - 11 Female BSPP Steel 2.87"
(72.9mm)		 1.79"
(45.5mm)		 1-5/8" 4000 PSI
(275 bar)		 12400 PSI
(850 bar)
K8BF8-SS Plug/Male 1" 1" - 11 Female BSPP 316 Stainless 2.87"
(72.9mm)		 1.79"
(45.5mm)		 1-5/8" 3,000 PSI
(200 bar)		 12,000 PSI
(800 bar)
K8OF8 Plug/Male 1" 1-5/16" - 12 Female ORB Steel 2.87"
(72.9mm)		 1.79"
(45.5mm)		 1-5/8" 4000 PSI
(275 bar)		 12400 PSI
(850 bar)
K10F10 Plug/Male 1-1/4" 1-1/4" - 11-1/2 Female NPTF Steel 2.95"
(75.0mm)		 2.31"
(58.7mm)		 2" 3000 PSI
(200 bar)		 12600 PSI
(850 bar)
K10BF10 Plug/Male 1-1/4" 1-1/4" - 11 Female BSPP Steel 2.95"
(75.0mm)		 2.31"
(58.7mm)		 2" 3000 PSI
(200 bar)		 12600 PSI
(850 bar)
K12F12 Plug/Male 1-1/2" 1-1/2" - 11-1/2 Female NPTF Steel 3.29"
(83.5mm)		 2.74"
(69.6mm)		 2-3/8" 3000 PSI
(200 bar)		 12600 PSI
(850 bar)
K12BF12 Plug/Male 1-1/2" 1-1/2" - 11 Female BSPP Steel 3.29"
(83.5mm)		 2.74"
(69.6mm)		 2-3/8" 3000 PSI
(200 bar)		 12600 PSI
(850 bar)
K16F16 Plug/Male 2" 2" - 11-1/2 Female NPTF Steel 4.13"
(105.0mm)		 3.46"
(87.9mm)		 3" 1450 PSI
(100 bar)		 5800 PSI
(400 bar)
K16BF16 Plug/Male 2" 2" - 11 Female BSPP Steel 4.13"
(105.0mm)		 3.46"
(87.9mm)		 3" 1450 PSI
(100 bar)		 5800 PSI
(400 bar)
Dixon Valve & Coupling

Dixon Valve & Coupling

Dixon, founded in 1916, is a premier manufacturer and supplier of hose couplings, valves, dry disconnects, swivels, and other fluid transfer and control products. Our global reach includes a wide range of products for numerous industries including petroleum exploration, refining, transportation, chemical processing, food and beverage, steel, fire protection, construction, mining, and manufacturing.

Shop Parts by Dixon Valve & Coupling