Flat Face Hydraulic Quick Couplings(Carbon Steel)/ International Interchange ISO 16028 Qkpt Series

Features

  • Connexion by pushing the male coupling
  • Disconnexion by pulling back the female sleeve
  • Shut off by flat-face valve
  • Connexion under pressure not allowed
  • Disconnexion under pressure not allowed
  • Interchangeability according to ISO16028
  • No spillage during Connexion and Disconnection

Technical Specifications

  • High grade carbon steeltem pered or carbonitrited forspecific stressed area
  • Polyurethane and NBR
  • Backup ring in PTFE
  • -25°C to +100°C(-13°F to +212°F)
  • 100.000 cycles at 133% of rate dpressure disconnected
  • 1.000.000 cycles at 133% of rated pressure connected.
  • Tested according to ISO 7241-2specifications
Body Size (in) Rated Pressure (Bar) Material Standard Seal Material Temperature Range (Std Seals)
1/4" 300 Carbon Steel NBR -20°C to +125°C
3/8" 250 Carbon Steel NBR -20°C to +125°C
1/2" 200 Carbon Steel NBR -20°C to +125°C
3/4" 200 Carbon Steel NBR -20°C to +125°C
1" 200 Carbon Steel NBR -20°C to +125°C

Female

Part No. Thread Size Body Size Overall Length (mm) Hex Size (mm) Largest Diameter (mm) Part No. Thread Size Body Size Overall Length (inch) Hex Size (inch) Largest Diameter (inch)
QKPT 02-02SF G1/4 1/4" 48 24 28 QKPT 02-N02SF NPT1/4 1/4" 1.88 0.94 1.1
QKPT 03-03SF G3/8 3/8" 65 27 32 QKPT 03-N03SF NPT3/8 3/8" 2.55 1.06 1.25
QKPT 03-04SF G1/2 3/8" 70 27 32 QKPT 03-N04SF NPT1/2 3/8" 2.75 1.06 1.25
QKPT 04-04SF G1/2 1/2" 79 36 40 QKPT 04-N04SF NPT1/2 1/2" 3.11 1.41 1.57
QKPT 04-06SF G3/4 1/2" 79 36 40 QKPT 04-N06SF NPT3/4 1/2" 3.11 1.41 1.57
QKPT 06-06SF G3/4 3/4" 79 36 41 QKPT 06-N06SF NPT3/4 3/4" 3.11 1.41 1.63
QKPT 08-08SF G1 1" 93 45 48 QKPT 08-N08SF NPT1 1" 3.66 1.77 1.88

Nipple Female Thread / Male

Part No. Thread Size Body Size Overall Length (mm) Exposed Length (mm) Hex Size (mm) Largest Diameter (mm) Part No. Thread Size Body Size Overall Length (in) Exposed Length (in) Hex Size (in)
QKPT 02-02PF G1/4 1/4" 48 35 22 24 QKPT 02-N02PF NPT1/4 1/4" 1.88 1.37 0.86
QKPT 03-03PF G3/8 3/8" 60 43 24 26 QKPT 03-N03PF NPT3/8 3/8" 2.36 1.69 0.94
QKPT 03-04PF G1/2 3/8" 63 46 27 29 QKPT 03-N04PF NPT1/2 3/8" 2.48 1.81 1.06
QKPT 04-04PF G1/2 1/2" 70 53 32 35 QKPT 04-N04PF NPT1/2 1/2" 2.77 2.08 1.25
QKPT 04-06PF G3/4 1/2" 70 53 32 35 QKPT 04-N06PF NPT3/4 1/2" 2.77 2.08 1.25
QKPT 06-06PF G3/4 3/4" 70 53 36 38 QKPT 06-N06PF NPT3/4 3/4" 2.77 2.08 1.41
QKPT 08-08PF G1 1" 83 59 45 48 QKPT 08-N08PF NPT1 1" 3.26 2.32 1.77