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ML12FFS50143 Hansen® by Danfoss | Quick Disconnect Coupling | MLFF Series | 1/2" Female NPT x 1/2" ISO 16028 Flat Face/Dry Break | Socket | FKM Seal | 316L Stainless Steel

Original price $0.00 - Original price $0.00
Original price $0.00
$253.85
$253.85 - $253.85
Current price $253.85

Hansen® by Danfoss
MLFF Series | Flat Face/Dry Break ISO 16028 Interchange

Fluid Transfer and Hydraulic Quick Disconnect Coupling

Danfoss Hansen MLFF Series stainless steel coupling is a flat face dry break coupling used for hydraulic applications.

The MLFF Series interchanges with all ISO 16028 profiles. Due to its stainless steel design, it is corrosion resistant and can handle aggressive environments.


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Shipping will calculate as free instantly if your order value exceeds $5000.

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Specifications for Variant SKU: ML12FFS50143 Danfoss
Brand: Hansen
Series: MLFF Series
Shape (Orientation): Straight
Ends Configuration: 1/2in Female NPT, 1/2in ISO 16028 Flat Face
Material(s): 316L Stainless Steel
Seal Material(s): Viton/FKM
Product Features:
  • Safety sleeve lock prevents accidental disconnections.
  • Push to connect with double shut-off valving.
  • Resistant to aggressive environments and corrosion.
  • Utilizes FF Series dust caps.
Applications & Markets:
  • Construction
  • Agriculture
  • Iron and Steel Industry
  • Railway
  • Oil and Gas
  • Marine
  • Material Handling
  • General Hydraulic Applications
Materials:
  • Standard body material: 316L Stainless steel corrosion resistant.
  • Standard seal material: FKM, NBR+AU.
European Pressure Equipment Directive:
  • All couplings are designed and manufactured under Article 4.3 of the European Pressure Equipment Directive PED 2014/68/EU. Couplings with nominal diameters greater than 25 mm should not be used to convey gases in Group 1 (hazardous).
ISO
Size*
Coupling
Size
Max. Operating Pressure Min. Burst Pressure Rated
Flow**
Fluid
Loss
Air
Inclusion
Force to
Connect
Connected*** Plug
(Male Half)
Socket
(Female Half)
Connected Plug
(Male Half)
Socket
(Female Half)
6.3mm 1/4" 250 bar 3,625 psi 250 bar 3,625 psi 250 bar 3,625 psi 2,335 bar 33,858 psi 1,640 bar 23,780 psi 1,330 bar 19,285 psi 17 lpm 4.49 gpm 0.004 ml-cc 0.007 ml-cc 80 N 18.0 lbs
10mm 3/8" 250 bar 3,625 psi 250 bar 3,625 psi 250 bar 3,625 psi 1,672 bar 24,244 psi 1,664 bar 24,128 psi 845 bar 12,253 psi 29 lpm 7.66 gpm 0.006 ml-cc 0.010 ml-cc 140 N 31.5 lbs
12mm 1/2" 250 bar 3,625 psi 250 bar 3,625 psi 250 bar 3,625 psi 1,679 bar 24,346 psi 997 bar 14,457 psi 993 bar 14,399 psi 55 lpm 14.53 gpm 0.012 ml-cc 0.013 ml-cc 195 N 43.8 lbs
16mm 5/8" 250 bar 3,625 psi 250 bar 3,625 psi 250 bar 3,625 psi 1,190 bar 17,255 psi 950 bar 13,775 psi 880 bar 12,760 psi 67 lpm 17.70 gpm 0.016 ml-cc 0.030 ml-cc 205 N 46.1 lbs
19mm 3/4" 250 bar 3,625 psi 250 bar 3,625 psi 250 bar 3,625 psi 1,370 bar 19,865 psi 882 bar 12,789 psi 845 bar 12,253 psi 105 lpm 27.74 gpm 0.034 ml-cc 0.015 ml-cc 215 N 48.3 lbs
25mm 1" 250 bar 3,625 psi 250 bar 3,625 psi 250 bar 3,625 psi 1,690 bar 24,505 psi 1,000 bar 14,500 psi 850 bar 12,325 psi 177 lpm 46.76 gpm 0.032 ml-cc 0.033 ml-cc 260 N 58.5 lbs
- 1-1/2" 250 bar 3,625 psi 250 bar 3,625 psi 250 bar 3,625 psi 750 bar 10,875 psi 750 bar 10,875 psi 750 bar 10,875 psi 450 lpm 118.9 gpm 0.265 ml-cc 0.445 ml-cc 385 N 86.6 lbs
- 2" 175 bar 2,535 psi 175 bar 2,535 psi 175 bar 2,535 psi 525 bar 7,610 psi 525 bar 7,610 psi 525 bar 7,610 psi 700 lpm 184.9 gpm 0.390 ml-cc 0.260 ml-cc 375 N 84.3 lbs

* The ISO size corresponds to the internal diameter of the hose or the external diameter of the rigid tube (as defined in ISO 4397 Standard)
** Indicated values refer to a 1 bar/14.5 psi pressure drop

Maximum Operating Pressure
Non hazardous Liquids Group 2 Non hazardous Liquids Group 2 Hazardous Liquids Group 1
Coupling
Size
Nominal Flow
Diameter
Plug &
Connected
Socket Plug &
Connected
Socket Plug &
Connected
Socket
1-1/2" 30.1 300 bar 4350 psi 270 bar 3915 psi 300 bar 4350 psi 270 bar 3915 psi 66 bar 955 psi 66 bar 955 psi
2 39.2 300 bar 4350 psi 225 bar 3260 psi 25 bar 360 psi 25 bar 360 psi 50 bar 725 psi 50 bar 725 psi

*Nominal diameters over 25mm should not be used to convey gases in group 1 (PED 2014/68/EU)

Seal Elastomer Data*
Seal Elastomer P/N Code ISO Size (6FF to 25FF) Maximum Operation Temperature Range Non-ISO Size (40FF and 50FF) Maximum Operation Temperature Range
NBR (Nitrile) + AU (Polyurethane) - -25°C +100°C/-13°F +212°F on request
FKM -143 -20°C +200°C/-4°F +392°F -20°C +200°C/-4°F +392°F

* For reference only, based on Danfoss recommended temperatures.

Socket/Female (Figure 1)
MLFF Series | Sockets
316 Stainless Steel
Part Number
316 Stainless Steel
Part Number
Body Size ISO Size Nominal Flow Diameter Type Thread Figure Dimensions
NBR+AU Seal FKM Seal A B C Hex
- ML6FFS25143 1/4" 6.3mm 6mm Socket/Female 1/4-18 Female NPT 1 2.13"
(54mm)
1.06"
(27mm)
0.94"
(24mm)
0.87"
(22mm)
ML10FFS37 ML10FFS37143 3/8" 10mm 8.6mm Socket/Female 3/8-18 Female NPT 1 2.68"
(68mm)
1.26"
(32mm)
1.16"
(29.5mm)
1.06"
(27mm)
ML12FFS50 ML12FFS50143 1/2" 12.5mm 11mm Socket/Female 1/2-14 Female NPT 1 3.27"
(83mm)
1.50"
(38mm)
1.56"
(39.5mm)
1.42"
(36mm)
- ML16FFS75143 5/8" 16mm 13mm Socket/Female 3/4-14 Female NPT 1 3.39"
(86mm)
1.66"
(42mm)
1.56"
(39.5mm)
1.42"
(36mm)
ML19FFS75 ML19FFS75143 3/4" 19mm 15mm Socket/Female 3/4-14 Female NPT 1 3.82"
(97mm)
1.81"
(46mm)
1.77"
(45mm)
1.61"
(41mm)
- ML19FFS100143 3/4" 19mm 15mm Socket/Female 1-11.5 Female NPT 1 3.80"
(97mm)
1.82"
(46mm)
1.77"
(45mm)
1.61"
(41mm)
ML25FFS125 ML25FFS125143 1" 25mm 18mm Socket/Female 1-1/4-11.5 Female NPT 1 4.07"
(104mm)
2.36"
(60mm)
2.36"
(60mm)
2.17"
(55mm)
- ML40FFS150143 1-1/2" - 30.1mm Socket/Female 1-1/2-11.5 Female NPT 1 5.01"
(127.4mm)
3.13"
(79.5mm)
2.76"
(70mm)
2.56"
(65mm)
- ML50FFS200143 2" - 39.2mm Socket/Female 2-11.5 Female NPT 1 6.17"
(156.8mm)
3.84"
(97.5mm)
3.46"
(87.8mm)
3.15"
(80mm)
Plug/Male (Figure 2)
MLFF Series | Plugs
316 Stainless Steel
Part Number
316 Stainless Steel
Part Number
Body Size ISO Size Nominal Flow Diameter Type Thread Figure Dimensions
NBR+AU Seal FKM Seal D E F G Hex
- ML6FFP25143 1/4" 6.3mm 6mm Plug/Male 1/4-18 Female NPT 2 2.01"
(51mm)
0.46"
(11.6mm)
0.94"
(24mm)
1.58"
(40.1mm)
0.87"
(22mm)
ML10FFP37 ML10FFP37143 3/8" 10mm 8.6mm Plug/Male 3/8-18 Female NPT 2 2.56"
(65mm)
0.78"
(19.7mm)
1.16"
(29.5mm)
1.97"
(50mm)
1.06"
(27mm)
ML12FFP50 ML12FFP50143 1/2" 12.5mm 11mm Plug/Male 1/2-14 Female NPT 2 2.72"
(69mm)
0.96"
(24.5mm)
1.56"
(39.5mm)
2.05"
(52mm)
1.42"
(36mm)
- ML16FFP75143 5/8" 16mm 13mm Plug/Male 3/4-14 Female NPT 2 2.83"
(72mm)
1.06"
(27mm)
1.56"
(39.5mm)
1.42"
(36mm)
1.42"
(36mm)
ML19FFP75 ML19FFP75143 3/4" 19mm 15mm Plug/Male 3/4-14 Female NPT 2 3.70"
(94mm)
1.18"
(29.9mm)
1.77"
(45mm)
2.83"
(72mm)
1.61"
(41mm)
- ML19FFP100143 3/4" 19mm 15mm Plug/Male 1-11.5 Female NPT 2 3.70"
(94mm)
1.18"
(29.9mm)
1.77"
(45mm)
2.83"
(72mm)
1.61"
(41mm)
ML25FFP125 ML25FFP125143 1" 25mm 18mm Plug/Male 1-1/4-11.5 Female NPT 2 4.12"
(104.6mm)
1.42"
(36mm)
2.36"
(60mm)
2.17"
(55mm)
2.17"
(55mm)
- ML40FFP150143 1-1/2 " - 30.1mm Plug/Male 1-1/2-11,5 Female NPT 2 4.13"
(105mm)
2.24"
(57mm)
2.61"
(66.3mm)
3.01"
(76.5mm)
2.36"
(60mm)
- ML50FFP200143 2" - 39.2mm Plug/Male 2-11.5 Female NPT 2 5.31"
(135mm)
2.87"
(73mm)
3.29"
(83.5mm)
3.80"
(96.6mm)
2.95"
(75mm)
Danfoss (Eaton - Aeroquip)

Danfoss (Eaton - Aeroquip)

Danfoss is a global technology leader in power management solutions that make electrical, hydraulic and mechanical power operate more efficiently, reliably, safely and sustainably. Danfoss hydraulic pumps, motors, transmissions, valves, cylinders, controls, hose and fittings offer a unique combination of proven technology and innovative design that translates directly into reliable performance and enhanced uptime.

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