| Product Features: |
- The coupling that sets the industry standard.
- Self-sealing poppet valve design provides excellent high and low pressure sealing.
|
| 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
|
| ISO Standard: |
- Meets dimensional requirements to ISO standard 7241-1 Series B.
|
| Materials: |
- Standard body material: Zinc trivalent plated steel with stainless steel springs, balls and retaining rings.
- Standard seal material: Nitrile (NBR) (Max. Operating Temp: 40°F to +250°F | -40°C to +121°C).
- PTFE back up rings in sockets (females).
|
| European Pressure Equipment Directive: |
- Couplings with nominal diameters up to and including 25 mm are designed and manufactured under Article 4.3 of the European Pressure Equipment Directive 2014/68/EU. Couplings
with nominal diameters greater than 25 mm are designed and manufactured in accordance with stipulations of Module A of the European Pressure Equipment Directive 2014/68/EU. They should
not be used to convey unstable gases.
|
Group 1 = Hazardous media / Group 2 = Other media
| Series |
Body Size |
ISO Size |
Nominal Flow Diameter |
Max. Operating Pressure |
Rated Flow* |
Air Inclusion |
Fluid Loss |
Non Hazardous Liquids & Gases (Group 2) |
Hazardous Liquids & Gases (Group 1) |
| in. |
mm |
mm |
bar |
psi |
bar |
psi |
lpm |
gpm |
cc.max. |
cc.max. |
| 1HK |
1/8" |
5mm |
4.4mm |
275 bar |
4,000 psi |
275 bar |
4,000 psi |
3 lpm |
0.8 gpm |
0.6 cc.max. |
0.5 cc.max. |
| 2HK |
1/4" |
6.3mm |
5.9mm |
345 bar |
5,000 psi |
345 bar |
5,000 psi |
12 lpm |
3 gpm |
1.2 cc.max. |
0.9 cc.max. |
| 3HK |
3/8" |
10mm |
7.8mm |
275 bar |
4,000 psi |
275 bar |
4,000 psi |
23 lpm |
6 gpm |
2.9 cc.max. |
2.1 cc.max. |
| 4HK |
1/2" |
12.5mm |
10mm |
345 bar |
5,000 psi |
345 bar |
5,000 psi |
45 lpm |
12 gpm |
3.6 cc.max. |
3.5 cc.max. |
| 6HK |
3/4" |
20mm |
17mm |
275 bar |
4,000 psi |
275 bar |
4,000 psi |
100 lpm |
26 gpm |
11.5 cc.max. |
9.3 cc.max. |
| 8HK |
1" |
25mm |
19.6mm |
275 bar |
4,000 psi |
275 bar |
4,000 psi |
189 lpm |
50 gpm |
18.0 cc.max. |
16.9 cc.max. |
| 10HK |
1-1/4"** |
- |
26.7mm |
200 bar |
2900 psi |
37 bar |
537 psi |
288 lpm |
76 gpm |
48.0 cc.max. |
48.0 cc.max. |
| 12HK |
1-1/2" |
40mm |
35.1mm |
150 bar |
2175 psi |
29 bar |
421 psi |
375 lpm |
99 gpm |
91.3 cc.max. |
91.3 cc.max. |
| 20HK |
2-1/2" |
50mm |
46mm |
100 bar |
1450 psi |
21 bar |
305 psi |
757 lpm |
200 gpm |
209.9 cc.max. |
209.9 cc.max. |
For questions related to vacuum please contact Danfoss.
** No ISO Standard available for the 10HK
|
|
Socket/Female (Figure 1) |
Plugs (Male) (Figure 2) |
| HK1-8 Series |
| Part Number |
High Impulse |
Sleeve Lock |
No Valve |
Valve Actuator |
Body Size |
ISO Size |
Type |
Female Thread |
Figure |
Dimensions |
| FKM Seal |
A |
B |
Across Flats |
C |
D |
E |
Hex |
| 1H11143 |
- |
- |
- |
- |
1/8" |
5mm |
Socket/Female |
1/8-27 Fem. NPTF |
1 |
1.91" (48.5mm) |
0.98" (24.9mm) |
0.56" (14.2mm) |
- |
- |
- |
- |
| 1K11143 |
- |
- |
- |
- |
1/8" |
5mm |
Plug/Male |
1/8-27 Fem. NPTF |
2 |
- |
- |
- |
1.26" (32.0mm) |
0.65" (16.5mm) |
0.44" (11.2mm) |
0.56" (14.2mm) |
| |
| 1H4143 |
- |
- |
- |
1H4VAA143 |
1/8" |
5mm |
Socket/Female |
7/16-20 Fem. SAE ORB |
1 |
2.06" (52.3mm) |
0.98" (24.9mm) |
0.69" (17.5mm) |
- |
- |
- |
- |
| 1K4143 |
- |
- |
- |
- |
1/8" |
5mm |
Plug/Male |
7/16-20 Fem. SAE ORB |
2 |
- |
- |
- |
1.41" (35.8mm) |
0.79" (20.1mm) |
0.59" (15.0mm) |
0.69" (17.5mm) |
| |
| 2H16143 |
- |
- |
2H16NV143 |
- |
1/4" |
6.3mm |
Socket/Female |
1/4-18 Fem. NPTF |
1 |
2.26" (57.4mm) |
1.14" (29.0mm) |
0.75" (19.1mm) |
- |
- |
- |
- |
| 2K16143 |
- |
- |
- |
- |
1/4" |
6.3mm |
Plug/Male |
1/4-18 Fem. NPTF |
2 |
- |
- |
- |
1.52" (38.6mm) |
0.87" (22.1mm) |
0.56" (14.2mm) |
0.75" (19.1mm) |
| |
| 2H16BS143 |
- |
- |
- |
- |
1/4" |
6.3mm |
Socket/Female |
1/4-19 Fem. BSPP |
1 |
2.31" (58.7mm) |
1.14" (29.0mm) |
0.75" (19.1mm) |
- |
- |
- |
- |
| 2K16BS143 |
- |
- |
- |
- |
1/4" |
6.3mm |
Plug/Male |
1/4-19 Fem. BSPP |
2 |
- |
- |
- |
1.52" (38.6mm) |
0.87" (22.1mm) |
0.56" (14.2mm) |
0.75" (19.1mm) |
| |
| 2H6143 |
- |
- |
- |
- |
1/4" |
6.3mm |
Socket/Female |
9/16-18 Fem. SAE ORB |
1 |
2.40" (61.0mm) |
1.14" (29.0mm) |
0.88" (22.4mm) |
- |
- |
- |
- |
| 2K6143 |
- |
- |
- |
- |
1/4" |
6.3mm |
Plug/Male |
9/16-18 Fem. SAE ORB |
2 |
- |
- |
- |
1.66" (42.2mm) |
1.01" (25.7mm) |
0.70" (17.8mm) |
0.88" (22.4mm) |
| |
| 3H21143 |
- |
- |
- |
- |
3/8" |
10mm |
Socket/Female |
3/8-18 Fem. NPTF |
1 |
2.56" (65.0mm) |
1.42" (36.1mm) |
0.88" (22.4mm) |
- |
- |
- |
- |
| 3K21143 |
3K21C143 |
- |
- |
- |
3/8" |
10mm |
Plug/Male |
3/8-18 Fem. NPTF |
2 |
- |
- |
- |
1.76" (44.7mm) |
1.01" (25.7mm) |
0.61" (15.5mm) |
0.88" (22.4mm) |
| |
| 3H21BS143 |
3H21C143 |
- |
- |
- |
3/8" |
10mm |
Socket/Female |
3/8-19 Fem. BSPP |
1 |
2.56" (65.0mm) |
1.42" (36.1mm) |
0.88" (22.4mm) |
- |
- |
- |
- |
| 3K21BS143 |
- |
- |
- |
- |
3/8" |
10mm |
Plug/Male |
3/8-19 Fem. BSPP |
2 |
- |
- |
- |
1.76" (44.7mm) |
1.01" (25.7mm) |
0.61" (15.5mm) |
0.88" (22.4mm) |
| - |
3H8C143 |
- |
- |
- |
3/8" |
10mm |
Socket/Female |
3/4-16 Fem. SAE ORB |
1 |
2.74" (69.6mm) |
1.42" (36.1mm) |
1.00" (25.4mm) |
- |
- |
- |
- |
| - |
3K8C143 |
- |
- |
- |
3/8" |
10mm |
Plug/Male |
3/4-16 Fem. SAE ORB |
2 |
- |
- |
- |
1.94" (49.3mm) |
1.15" (29.2mm) |
0.79" (20.1mm) |
1.00" (25.4mm) |
| |
| 4HP26143 |
- |
- |
4HP26NV143 |
- |
1/2" |
12.5mm |
Socket/Female |
1/2-14 Fem. NPTF |
1 |
2.96" (75.2mm) |
1.86" (47.2mm) |
1.13" (28.7mm) |
- |
- |
- |
- |
| 4KP26143 |
- |
- |
- |
- |
1/2" |
12.5mm |
Plug/Male |
1/2-14 Fem. NPTF |
2 |
- |
- |
- |
2.03" (51.6mm) |
1.30" (33.0mm) |
0.76" (19.3mm) |
1.13" (28.7mm) |
| |
| 4HP26BS143 |
- |
- |
- |
- |
1/2" |
12.5mm |
Socket/Female |
1/2-14 Fem. BSPP |
1 |
2.96" (75.2mm) |
1.86" (47.2mm) |
1.13" (28.7mm) |
- |
- |
- |
- |
| 4KP26BS143 |
- |
- |
- |
- |
1/2" |
12.5mm |
Plug/Male |
1/2-14 Fem. BSPP |
2 |
- |
- |
- |
2.03" (51.6mm) |
1.30" (33.0mm) |
0.76" (19.3mm) |
1.13" (28.7mm) |
| |
| 4HP10143 |
- |
- |
- |
- |
1/2" |
12.5mm |
Socket/Female |
7/8-14 Fem. SAE ORB |
1 |
3.05" (77.5mm) |
1.86" (47.2mm) |
1.25" (31.8mm) |
- |
- |
- |
- |
| 4KP10143 |
- |
- |
- |
- |
1/2" |
12.5mm |
Plug/Male |
7/8-14 Fem. SAE ORB |
2 |
- |
- |
- |
2.11" (53.6mm) |
1.37" (34.8mm) |
0.84" (21.3mm) |
1.19" (30.2mm) |
| |
| 6KP31143 |
- |
- |
- |
- |
3/4" |
20mm |
Plug/Male |
3/4-14 Fem. NPTF |
2 |
- |
- |
- |
2.36" (59.9mm) |
1.52" (38.6mm) |
0.71" (18.0mm) |
1.31" (33.3mm) |
| |
| 6HP31143 |
- |
- |
- |
- |
3/4" |
20mm |
Socket/Female |
3/4-14 Fem. BSPP |
1 |
3.48" (88.4mm) |
2.22" (56.4mm) |
1.31" (33.3mm) |
- |
- |
- |
- |
| 6KP31BS143 |
- |
- |
- |
- |
3/4" |
20mm |
Plug/Male |
3/4-14 Fem. BSPP |
2 |
- |
- |
- |
2.36" (59.9mm) |
1.52" (38.6mm) |
0.71" (18.0mm) |
1.31" (33.3mm) |
| |
| 6HP12143 |
- |
- |
- |
- |
3/4" |
20mm |
Socket/Female |
1-1/16 Fem. SAE ORB |
1 |
3.67" (93.2mm) |
2.22" (56.4mm) |
1.38" (35.1mm) |
- |
- |
- |
- |
| 6KP12143 |
- |
- |
- |
- |
3/4" |
20mm |
Plug/Male |
1-1/16 Fem. SAE ORB |
2 |
- |
- |
- |
2.54" (64.5mm) |
1.59" (40.4mm) |
0.89" (22.6mm) |
1.38" (35.1mm) |
| |
| 8HP36143 |
- |
8HP36SL143 |
- |
- |
1" |
25mm |
Socket/Female |
1-11-1/2 Fem. NPTF |
1 |
4.13" (104.9mm) |
2.61" (66.3mm) |
1.75" (44.5mm) |
- |
- |
- |
- |
| 8KP36143 |
- |
- |
- |
- |
1" |
25mm |
Plug/Male |
1-11-1/2 Fem. NPTF |
2 |
- |
- |
- |
2.85" (72.4mm) |
1.88" (47.8mm) |
0.97" (24.6mm) |
1.63" (41.4mm) |
| |
| 8HP36BS143 |
- |
- |
- |
- |
1" |
25mm |
Socket/Female |
1-11 Fem. BSPP |
1 |
4.13" (104.9mm) |
2.61" (66.3mm) |
1.75" (44.5mm) |
- |
- |
- |
- |
| 8KP36BS143 |
- |
- |
- |
- |
1" |
25mm |
Plug/Male |
1-11 Fem. BSPP |
2 |
- |
- |
- |
2.85" (72.4mm) |
1.88" (47.8mm) |
0.97" (24.6mm) |
1.63" (41.4mm) |
| |
| HK10/12/20 Series |
|
|
Socket/Female (Figure 3) |
Plugs (Male) (Figure 4) |
| Part Number |
High Impulse |
Sleeve Lock |
No Valve |
Valve Actuator |
Body Size |
ISO Size |
Type |
Female Thread |
Figure |
Dimensions |
| FKM Seal |
A |
B |
Hex |
C |
D |
E |
Hex |
| 10H41143* |
- |
- |
10H41NV143 |
- |
1-1/4" |
- |
Socket/Female |
1-1/4-11-1/2 Fem. NPTF |
3 |
4.51" (114.6mm) |
2.73" (69.3mm) |
2.38" (60.5mm) |
- |
- |
- |
- |
| |
| |
| 12K41143 |
- |
- |
- |
- |
1-1/2" |
40mm |
Plug/Male |
1-1/4-11-1/2 Fem. NPTF |
4 |
- |
- |
- |
4.76" (120.9mm) |
2.74" (69.6mm) |
2.67" (67.8mm) |
2.38" (60.5mm) |
| |
| 12H46143 |
- |
- |
- |
- |
1-1/2" |
40mm |
Socket/Female |
1-1/2-11-1/2 Fem. NPTF |
3 |
4.82" (122.4mm) |
3.23" (82.0mm) |
2.38" (60.5mm) |
- |
- |
- |
- |
| 12K46143 |
- |
- |
- |
- |
1-1/2" |
40mm |
Plug/Male |
1-1/2-11-1/2 Fem. NPTF |
4 |
- |
- |
- |
4.76" (120.9mm) |
2.74" (69.6mm) |
2.67" (67.8mm) |
2.38" (60.5mm) |
| |
| 20K51143 |
- |
- |
- |
- |
2-1/2" |
60mm |
Plug/Male |
2-11-1/2 Fem. NPTF |
4 |
- |
- |
- |
5.49" (139.4mm) |
4.33" (110.0mm) |
2.97" (75.4mm) |
3.75" (95.3mm) |
| |
| 20H56143 |
- |
- |
- |
- |
2-1/2" |
50mm |
Socket/Female |
2-1/2-8 Fem. NPTF |
3 |
6.14" (156.0mm) |
4.11" (104.4mm) |
3.75" (95.3mm) |
- |
- |
- |
- |
| 20K56143 |
- |
- |
- |
- |
2-1/2" |
60mm |
Plug/Male |
2-1/2-8 Fem. NPTF |
4 |
- |
- |
- |
6.08" (154.4mm) |
4.33" (110.0mm) |
3.56" (90.4mm) |
3.75" (95.3mm) |
A=Overall Length, B=Maximum Diameter
* ISO 7241-1 Series B does not include 1-1/4 inch body size couplings; therefore, Series 10HK is not covered by this standard.
To obtain connected length of coupling, add dimensions A (Fig. 1) and E (Fig. 2) together.
To obtain connected length of coupling, add dimensions A (Fig. 3) and E (Fig. 4) together.
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