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20K61BS Eaton Hansen HK 10/12/20 Series Male Plug - Female 3-11 BSPP VALVED - ISO 7241-1 B Interchange Steel Quick Disconnect - Standard Buna-N Seal


PRODUCT DESCRIPTION

Eaton HK 10/12/20 Series - ISO 7241-1 B Interchange - Plugs (Male) - Steel
 
Eaton's HK Series coupling sets the industry standard for ISO B Couplings. The HK Series features a rugged ball latch mechanism with automatic self-sealing poppet valves in a wide array of port configurations and multiple valved and non-valved configurations.

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:
  • Agriculture
  • Hydraulic Tool
  • General Industry
  • Construction
  • Fluid Transfer
  • Transportation
  • Military
  • Law Enforcement/Rescue
  • Chemical
  • Oil and Gas
  • Consumer Products
  • HVAC
  • Food and Beverage
  • Trucks
  • Aerospace
  • Medical
Features: Meets dimensional
requirements to ISO
Standard 7241-1 Series B
Self-sealing poppet valve
design provides excellent
high and low pressure sealing
Standard seal material: Buna-N PTFE backup rings in sockets
(females)
Seal Elastomer options
Max. Operation Temperature Range**:
Buna-N
40°F to +250°F
-40°C to +121°C
Neoprene
-65°F to +212°F
-54°C to +100°C
EPDM (Ethylene Propylene Rubber)
-65°F to +300°F
-54°C to +149°C
FKM (Fluorocarbon)
-15°F to +400°F
-29°C to +204°C

**Based on Eaton recommended temperatures (for reference only)
For seals not listed call 330-535-7105

Physical Characteristics

Series Body Size ISO Size Nominal Flow
Diameter
Max. Operating
Pressure
Rated Flow Air Inclusion Fluid Loss
in mm mm bar psi lpm gpm cc.max. cc.max.
1HK 1/8 5 4.4 275 4000 3 0.8 0.6 0.5
2HK 1/4 6.3 5.9 345 5000 12 3 1.2 0.9
3HK 3/8 10 7.8 275 4000 23 6 2.9 2.1
4HK 1/2 12.5 10 345 5000 45 12 3.6 3.5
6HK 3/4 20 17 275 4000 100 26 11.5 9.3
8HK 1 25 19.6 275 4000 189 50 18.0 16.9
10HK 1 1/4.* - 26.7 118 1700 288 76 48.0 48.0
12HK 1 1/2 40 35.1 152 2200 375 99 91.3 91.3
20HK 2 1/2 50 46 104 1500 757 200 209.9 209.9

*For questions related to vacuum please contact Eaton
**No ISO Standard available for the 10HK

NV = No Valve | VAA = Valve Actuator Assembly | BL = Bleeder Valve
Part
Number
High
Impulse
Seal
Elastomer
Valved Body Size ISO Size Thread Size (Female) Dimensions
in mm NPTF BSPP C D E Hex
in
(mm)
in
(mm)
in
(mm)
in
(mm)
10K41* - Standard
Buna-N
Yes 1 1/4 - 1 1/4-11 1/2 - 4.25
(108.0)
2.74
(69.6)
2.33
(59.2)
2.38
(60.5)
10K41143* - FKM Yes 1 1/4 - 1 1/4-11 1/2 - 4.25
(108.0)
2.74
(69.6)
2.33
(59.2)
2.38
(60.5)
10K41146* - Special
Buna-N‡
Yes 1 1/4 - 1 1/4-11 1/2 - 4.25
(108.0)
2.74
(69.6)
2.33
(59.2)
2.38
(60.5)
10K41192* - EPDM† Yes 1 1/4 - 1 1/4-11 1/2 - 4.25
(108.0)
2.74
(69.6)
2.33
(59.2)
2.38
(60.5)
10K41BS* - Standard
Buna-N
Yes 1 1/4 - - 1 1/4-11 4.25
(108.0)
2.74
(69.6)
2.33
(59.2)
2.38
(60.5)
10K41BS143* - FKM Yes 1 1/4 - - 1 1/4-11 4.25
(108.0)
2.74
(69.6)
2.33
(59.2)
2.38
(60.5)
 
12K41 12K41C Standard
Buna-N
Yes 1 1/2 40 1 1/4-11 1/2 - 4.76
(120.9)
2.74
(69.6)
2.67
(67.8)
2.38
(60.5)
12K41143 12K41C143 FKM Yes 1 1/2 40 1 1/4-11 1/2 - 4.76
(120.9)
2.74
(69.6)
2.67
(67.8)
2.38
(60.5)
12K41146 - Special
Buna-N‡
Yes 1 1/2 40 1 1/4-11 1/2 - 4.76
(120.9)
2.74
(69.6)
2.67
(67.8)
2.38
(60.5)
12K41NV - Standard
Buna-N
No 1 1/2 40 1 1/4-11 1/2 - 4.76
(120.9)
2.74
(69.6)
2.67
(67.8)
2.38
(60.5)
12K41VAA - Standard
Buna-N
No 1 1/2 40 1 1/4-11 1/2 - 4.76
(120.9)
2.74
(69.6)
2.67
(67.8)
2.38
(60.5)
12K41BS 12K41CBS Standard
Buna-N
Yes 1 1/2 40 - 1 1/4-11 4.76
(120.9)
2.74
(69.6)
2.67
(67.8)
2.38
(60.5)
 
12K46 12K46C Standard
Buna-N
Yes 1 1/2 40 1 1/2-11 1/2 - 4.76
(120.9)
2.74
(69.6)
2.67
(67.8)
2.38
(60.5)
12K46143 12K46C143 FKM Yes 1 1/2 40 1 1/2-11 1/2 - 4.76
(120.9)
2.74
(69.6)
2.67
(67.8)
2.38
(60.5)
12K46146 - Special
Buna-N‡
Yes 1 1/2 40 1 1/2-11 1/2 - 4.76
(120.9)
2.74
(69.6)
2.67
(67.8)
2.38
(60.5)
12K46192 - EPDM† Yes 1 1/2 40 1 1/2-11 1/2 - 4.76
(120.9)
2.74
(69.6)
2.67
(67.8)
2.38
(60.5)
12K46BS 12K46CBS Standard
Buna-N
Yes 1 1/2 40 - 1 1/2-11 4.76
(120.9)
2.74
(69.6)
2.67
(67.8)
2.38
(60.5)
12K46VAA - Standard
Buna-N
No 1 1/2 40 1 1/2-11 1/2 - 4.76
(120.9)
2.74
(69.6)
2.67
(67.8)
2.38
(60.5)
 
20K51 20K51C Standard
Buna-N
Yes 2 1/2 60 2-11 1/2 - 5.49
(139.4)
4.33
(110.0)
2.97
(75.4)
3.75
(95.3)
20K51143 20K51C143 FKM Yes 2 1/2 60 2-11 1/2 - 5.49
(139.4)
4.33
(110.0)
2.97
(75.4)
3.75
(95.3)
20K51BS 20K51CBS Standard
Buna-N
Yes 2 1/2 60 - 2-11 5.49
(139.4)
4.33
(110.0)
2.97
(75.4)
3.75
(95.3)
- 20K51CBS143 FKM Yes 2 1/2 60 - 2-11 5.49
(139.4)
4.33
(110.0)
2.97
(75.4)
3.75
(95.3)
20K51VAA - Standard
Buna-N
No 2 1/2 60 2-11 1/2 - 5.49
(139.4)
4.33
(110.0)
2.97
(75.4)
3.75
(95.3)
 
20K56 20K56C Standard
Buna-N
Yes 2 1/2 60 2 1/2-8 - 6.08
(154.4)
4.33
(110.0)
3.56
(90.4)
3.75
(95.3)
20K56143 - FKM Yes 2 1/2 60 2 1/2-8 - 6.08
(154.4)
4.33
(110.0)
3.56
(90.4)
3.75
(95.3)
20K56236 - EPDM† Yes 2 1/2 60 2 1/2-8 - 6.08
(154.4)
4.33
(110.0)
3.56
(90.4)
3.75
(95.3)
20K56BS 20K56CBS Standard
Buna-N
Yes 2 1/2 60 - 2 1/2-11 6.08
(154.4)
4.33
(110.0)
3.56
(90.4)
3.75
(95.3)
20K56VAA146 - Special
Buna-N
No 2 1/2 60 2 1/2-8 - 6.08
(154.4)
4.33
(110.0)
3.56
(90.4)
3.75
(95.3)
 
20K61 20K61C Standard
Buna-N
Yes 2 1/2 60 3-8 - 6.94
(176.3)
4.62
(117.3)
4.42
(112.3)
4.00
(101.6)
20K61BS 20K61CBS Standard
Buna-N
Yes 2 1/2 60 - 3-11 6.94
(176.3)
4.62
(117.3)
4.42
(112.3)
4.00
(101.6)
20K61NV - Standard
Buna-N
No 2 1/2 60 3-8 - 6.94
(176.3)
4.62
(117.3)
4.42
(112.3)
4.00
(101.6)
‡ Special Buna-N for some petroleum fuels
† Not compatible with mineral-based greases or oils
* ISO 7241-1 Series B does not include 1 1/4 inch body size couplings;therefore, Series 10HK is not covered by this standard
C=Overall Length, D=Maximum Diameter, E=Exposed Length when Connected
To obtain connected length of coupling, add dimensions A (Fig. 2 - Female Socket) and E (Fig. 4) together.
More Information
Part Number 20K61BS
Location Each
Series No
Material Steel
Body Size 1 1/4
Seal Material Buna-N
Thread 1 1/4-11 1/2
Coupling Type Female NPTF
End Type Plug
Other Features Valved
Gender Female
Finish Zinc Trivalent Plating
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