6KFR31 Eaton Male Plug ISO 7241-1 BOP (Blow Out Preventer) - 3/4-14 NPTF Quick Disconnect Coupling - Steel

  • $35.46
Eaton's HKFR Series is a quick disconnect hydraulic coupling for hazardous Blow Out Preventer (BOP) service in the Oil and Gas Industry. The HKFR Series meets or exceeds the ISO 7241-1 B standard. See How to Order Please reference Fluid Compatibility Chart (Both the elastomer and metal must be considered when determining suitability of combination for a coupling)

SPECIFICATIONS

Applications & Markets:
  • Oil and Gas
Product Features:
  • BOP designation and red color is marked on the socket/female and Plug/Male halves
  • Sleeve lock is standard
  • Lloyd's Register Certification
  • Utilizes HK Series dust caps and dust plugs
ISO Standard: 7241/1 Series B
Standard Seal material: Buna-N
Body Material: Zinc trivalent plated steel. 316 stainless steel is marked with an *
Other Components: HKFR Series utilizes Eaton Hansen HK Series Dust Plugs and Dust Caps
Physical Characteristics
Series Body Size Max. Operating Pressure Connected Minimum Burst Pressure Rated Flow Fluid Loss
in bar psi bar psi lpm gpm cc.max
4HKFR 1/2 482 7000 1931 28000 28 7.5 3.5
6HKFR 3/4 344 5000 1251 18150 66 17.5 9.3
8HKFR 1 344 5000 1379 20000 95 25 16.9
ML8HKFR 1 344 5000 1379 20000 95 25 16.9
Plug Part Number Coupling Type Body Size Thread Dimensions Use with Socket Part Number
C D E Hex
in(mm) in(mm) in(mm) in(mm)
4KFR26 Plug/Male 1/2 1/2-14 NPTF 2.03(51.6) 1.30(33.0) 0.76(19.3) 1.13(28.7) 4HFR26
6KFR31 Plug/Male 3/4 3/4-14 NPTF 2.36(59.9) 1.52(38.6) 0.71(18.0) 1.31(33.3) 6HFR31
8KFR36 Plug/Male 1 1-11 1/2 NPTF 2.85(72.4) 1.88(47.8) 0.97(24.6) 1.63(41.4) 8HFR36
ML8KFR36* Plug/Male 1 1-11 1/2 NPTF 2.85(72.4) 1.88(47.8) 0.97(24.6) 1.63(41.4) ML8HFR36*
*Stainless Steel Lloyd's Register Certification All of the above items carry a Lloyd's Registry Certificate for fire conditions stated in API 16D and EUB Directive 35. These parts meet the requirements that state couplings shall be capable of maintaining pressure when exposed to a 700°C (1300°F) temperature for a five-minute period. Testing for this certification was conducted at the following pressures in the connected condition:
4HFR26/4KFR26: 3,000 PSI / 206 BAR
6HFR31/6KFR31: 3,000 PSI / 206 BAR
8HFR36/8KFR36: 4,000 PSI / 275 BAR
ML8HFR36/ML8KFR36: 4,000 PSI / 275 BAR