Skip to content
20K51VAA Eaton Hansen HK 10/12/20 Series ISO 7241-B Interchange Male Plug - Female 2-11 1/2 NPTF NON-VALVED Steel Quick Disconnect with Valve Actuator - Standard Buna Seal

20K51VAA Eaton Hansen HK 10/12/20 Series ISO 7241-B Interchange Male Plug - Female 2-11 1/2 NPTF NON-VALVED Steel Quick Disconnect with Valve Actuator - Standard Buna Seal

$564.01 - $564.01
$564.01
$564.01 - $564.01
$564.01

Eaton HK 10/12/20 Series - ISO 7241-1 B Interchange - Plugs (Male) - Steel
Can I get a discount on my purchase?

Our listed prices are our lowest possible price with current costing but when volumes/value are high enough sometimes we can pass on a discount from the manufacturer.

Some products have predefined quantity discounts that will apply automatically, those pages have a table near the price describing the discount teirs.

If you feel your purchase quantity of a particular product is very large and want us to investigate with the manufacturer please feel free to Contact Us.

What if my item is out of stock?

All customers get an email regarding the shipping time frame of their purchase, usually within the business day. If your item is in stock we will ship within 1 business day, otherwise, the email will contain a lead time. If you do not receive this email, we recommend checking your email's spam folder. If you have any questions at that point please do not hesitate to Contact Us or chat below!

Can I get free shipping?

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

Some exceptions apply.

Free Freight is only available for the Contiguous USA.

Specifications for Variant SKU: 20K51VAA Eaton
Shape (Orientation): Straight
Material(s): Steel
Seal Material(s): Buna-N/Nitrile Rubber
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.
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.

Shop Parts by Danfoss (Eaton - Aeroquip)