Skip to content
Log In for the best B2B experience.
Log In for the best B2B experience.
B6KP31NV Eaton Hanson HK 1-8 Series Male Plug - Female 3/4-14 NPTF NO VALVE - ISO 7241-1-B Interchange Brass Quick Disconnect - Standard Buna-N Seal replaces FD45-1175-12-12

B6KP31NV Hansen® by Danfoss | HK 1-8 Series | Quick Disconnect Coupling | 3/4" Female NPTF No Valve x 3/4" ISO7241-1-B | Male Plug | Standard Buna-N Seal | Brass

$33.21 - $33.21
$33.21
$33.21 - $33.21
$33.21

Eaton HK 1-8 Series - ISO 7241-1 B Interchange - Plugs (Male) - Brass
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: B6KP31NV Danfoss
Shape (Orientation): Straight
Material(s): Brass
Seal Material(s): Buna-N/Nitrile Rubber
Eaton's HK brass is a general purpose industrial interchange coupling available in valved or non-valved designs, offered in brass for excelllent corrosion resistance in rugged applications where stainless steel is unacceptable. The HK Series features a ball latch mechanism with automatic self-sealing poppet valves. See How to Order

SPECIFICATIONS

Applications & Markets:
  • Agriculture / Chemical
  • Hydraulic Tool / Oil and Gas
  • General Industry / Transportation
  • Construction / Food and Beverage
  • Fluid Transfer / Trucks
  • Nuclear
Features: Meets dimensional requirements to ISO Standard 7241-1 Series B 303/316 Stainless Steel construction for greater corrosion resistance and fluid compatibility Self-sealing poppet valve design provides excellent high and low pressure sealing Standard body material: 303 or 316 Stainless Steel Standard seal material: Buna-N Seal options available: PTFE, Neoprene, EPDM, FKM or Kalrez®
Seal Elastomer Data
Elastomer Buna-N Neoprene EPDM **not compatible with mineral-based greases or oils FKM (Fluorocarbon) PTFE Kalrez®
Application Specification None None None MIL-R-25897 Contact Eaton for additional information Contact Eaton for additional information
Max. Operation Temperature Range -40°C to +121°C 40°F to +250°F -54°C to +100°C -65°F to +212°F -54°C to +149°C -65°F to +300°F -29°C to +204°C -15°F to +400°F Contact Eaton for additional information Contact Eaton for additional information
**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 4.4 207 3000 3 0.8 0.6 0.5
2HK 1/4 6.3 5.9 186 2700 12 3 1.2 0.9
3HK 3/8 10 7.8 152 2200 23 6 2.9 2.1
4HK 1/2 12.5 10 155 2250 45 12 3.6 3.5
6HK 3/4 20 17 138 2000 100 26 11.5 9.3
8HK 1 25 19.6 103 1500 189 50 18.0 16.9
10HK 1 1/4** - 26.7 83 1200 288 76 48.0 48.0
12HK 1 1/2 40 35.1 104 1500 375 99 91.3 91.3
20HK 2 1/2 50 46 49 700 757 200 209.9 209.9
*For questions related to vacuum please contact Eaton **No ISO Standard available for the 10HK
NV = No Valve | VAA = Valve Actuator Assembly | BV = Bleeder Valve (Plugs Only)
Part Number 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)
B1K11 Standard Buna-N Yes 1/8 5 1/8-27 - 1.26(32.0) 0.65(16.5) 0.44(11.2) 0.56(14.2)
B1K11NV Standard Buna-N No 1/8 5 1/8-27 - 1.26(32.0) 0.65(16.5) 0.44(11.2) 0.56(14.2)
B2K16 Standard Buna-N Yes 1/4 6.3 1/4-18 - 1.52(38.6) 0.87(22.1) 0.56(14.2) 0.75(19.1)
B2K16146 Special Buna-N‡ Yes 1/4 6.3 1/4-18 - 1.52(38.6) 0.87(22.1) 0.56(14.2) 0.75(19.1)
B2K16BS Standard Buna-N Yes 1/4 6.3 - 1/4-19 1.52(38.6) 0.87(22.1) 0.56(14.2) 0.75(19.1)
B2K16BSVB Standard Buna-N Yes 1/4 6.3 - 1/4-19 1.52(38.6) 0.87(22.1) 0.56(14.2) 0.75(19.1)
B2K16NV Standard Buna-N No 1/4 6.3 1/4-18 - 1.52(38.6) 0.87(22.1) 0.56(14.2) 0.75(19.1)
B2K16VB Standard Buna-N Yes 1/4 6.3 1/4-18 - 1.52(38.6) 0.87(22.1) 0.56(14.2) 0.75(19.1)
B3K21 Standard Buna-N Yes 3/8 10 3/8-18 - 1.76(44.7) 1.01(25.7) 0.61(15.5) 0.88(22.4)
B3K21BS Standard Buna-N Yes 3/8 10 - 3/8-19 1.76(44.7) 1.01(25.7) 0.61(15.5) 0.88(22.4)
B3K21BS146 Special Buna-N‡ Yes 3/8 10 - 3/8-19 1.76(44.7) 1.01(25.7) 0.61(15.5) 0.88(22.4)
B3K21NV Standard Buna-N No 3/8 10 3/8-18 - 1.76(44.7) 1.01(25.7) 0.61(15.5) 0.88(22.4)
B4KP26 Standard Buna-N Yes 1/2 12.5 1/2-14 - 2.03(51.6) 1.30(33.0) 0.76(19.3) 1.13(28.7)
B4KP26146 Special Buna-N‡ Yes 1/2 12.5 1/2-14 - 2.03(51.6) 1.30(33.0) 0.76(19.3) 1.13(28.7)
B4KP26BS Standard Buna-N Yes 1/2 12.5 - 1/2-14 2.03(51.6) 1.30(33.0) 0.76(19.3) 1.13(28.7)
B4KP26BS146 Special Buna-N‡ Yes 1/2 12.5 - 1/2-14 2.03(51.6) 1.30(33.0) 0.76(19.3) 1.13(28.7)
B4KP26NV Standard Buna-N No 1/2 12.5 1/2-14 - 2.03(51.6) 1.30(33.0) 0.76(19.3) 1.13(28.7)
B4KP26VAA Standard Buna-N No 1/2 12.5 1/2-14 - 2.03(51.6) 1.30(33.0) 0.76(19.3) 1.13(28.7)
B6KP31 Standard Buna-N Yes 3/4 20 3/4-14 - 2.36(59.9) 1.52(38.6) 0.71(18.0) 1.31(33.3)
B6KP31146 Special Buna-N‡ Yes 3/4 20 3/4-14 - 2.36(59.9) 1.52(38.6) 0.71(18.0) 1.31(33.3)
B6KP31BS Standard Buna-N Yes 3/4 20 - 3/4-14 2.36(59.9) 1.52(38.6) 0.71(18.0) 1.31(33.3)
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)