Product Features: |
- Self-sealing poppet valves provide excellent high and low pressure sealing
|
Applications & Markets: |
- Agriculture
- Hydraulic Tool
- General Industry
- Construction
- Fluid Transfer
- Chemical
- Oil and Gas
- Transportation
- Food and Beverage
- Trucks
- Nuclear
|
ISO Standard: |
- Meets dimensional requirements to ISO standard 7241-1 Series B.
|
Materials: |
- Standard seal material: Nitrile (NBR) (40°F to +250°F | -40°C to +121°C)
- Brass construction with stainless steel springs for greater corrosion resistance and fluid compatibility
|
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 |
207 bar |
3,000 psi |
207 bar |
3,000 psi |
3 lpm |
0.8 gpm |
0.6 cc.max. |
0.5 cc.max. |
2HK |
1/4" |
6.3mm |
5.9mm |
186 bar |
2,700 psi |
186 bar |
2,700 psi |
12 lpm |
3 gpm |
1.2 cc.max. |
0.9 cc.max. |
3HK |
3/8" |
10mm |
7.8mm |
152 bar |
2,200 psi |
152 bar |
2,200 psi |
23 lpm |
6 gpm |
2.9 cc.max. |
2.1 cc.max. |
4HK |
1/2" |
12.5mm |
10mm |
155 bar |
2,250 psi |
155 bar |
2,250 psi |
45 lpm |
12 gpm |
3.6 cc.max. |
3.5 cc.max. |
6HK |
3/4" |
20mm |
17mm |
138 bar |
2,000 psi |
138 bar |
2,000 psi |
100 lpm |
26 gpm |
11.5 cc.max. |
9.3 cc.max. |
8HK |
1" |
25mm |
19.6mm |
103 bar |
1,500 psi |
103 bar |
1,500 psi |
189 lpm |
50 gpm |
18.0 cc.max. |
16.9 cc.max. |
10HK |
1-1/4"** |
- |
26.7mm |
83 bar |
1,200 psi |
37 bar |
537 psi |
288 lpm |
76 gpm |
48.0 cc.max. |
48.0 cc.max. |
12HK |
1-1/2" |
40mm |
35.1mm |
104bar |
1,500 psi |
29 bar |
421 psi |
375 lpm |
99 gpm |
91.3 cc.max. |
91.3 cc.max. |
20HK |
2-1/2" |
50mm |
46mm |
49bar |
700 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 |
Body Size |
ISO Size |
Type |
Female Thread |
Figure |
Dimensions |
NBR Seal |
A |
B |
Across Flats |
C |
D |
E |
Hex |
B1H11 |
1/8" |
5mm |
Socket/Female |
1/8-27 Fem. NPTF |
1 |
1.91" (48.5mm) |
0.98" (24.9mm) |
0.56" (14.2mm) |
- |
- |
- |
- |
B1K11 |
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) |
|
B2H16 |
1/4" |
6.3mm |
Socket/Female |
1/4-18 Fem. NPTF |
1 |
2.26" (57.4mm) |
1.14" (29.0mm) |
0.75" (19.1mm) |
- |
- |
- |
- |
B2K16 |
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) |
|
B2H16BS |
1/4" |
6.3mm |
Socket/Female |
1/4-19 Fem. BSPP |
1 |
2.31" (58.7mm) |
1.14" (29.0mm) |
0.75" (19.1mm) |
- |
- |
- |
- |
B2K16BS |
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) |
|
B3H21 |
3/8" |
10mm |
Socket/Female |
3/8-19 Fem. NPTF |
1 |
2.56" (65.0mm) |
1.42" (36.1mm) |
0.88" (22.4mm) |
- |
- |
- |
- |
B3K21 |
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) |
|
B3H21BS |
3/8" |
10mm |
Socket/Female |
3/8-19 Fem. BSPP |
1 |
2.56" (65.0mm) |
1.42" (36.1mm) |
0.88" (22.4mm) |
- |
- |
- |
- |
B3K21BS |
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) |
|
B4HP26 |
1/2" |
12.5mm |
Socket/Female |
1/2-14 Fem. NPTF |
1 |
2.96" (75.2mm) |
1.86" (47.2mm) |
1.13" (28.7mm) |
- |
- |
- |
- |
B4KP26 |
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) |
|
B4HP26BS |
1/2" |
12.5mm |
Socket/Female |
1/2-14 Fem. BSPP |
1 |
2.96" (75.2mm) |
1.86" (47.2mm) |
1.13" (28.7mm) |
- |
- |
- |
- |
B4KP26BS |
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) |
|
B6HP31 |
3/4" |
20mm |
Socket/Female |
3/4-14 Fem. NPTF |
1 |
3.48" (88.4mm) |
2.22" (56.4mm) |
1.31" (33.3mm) |
- |
- |
- |
- |
B6KP31 |
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) |
|
B6HP31BS |
3/4" |
20mm |
Socket/Female |
3/4-14 Fem. BSPP |
1 |
3.48" (88.4mm) |
2.22" (56.4mm) |
1.31" (33.3mm) |
- |
- |
- |
- |
B6KP31BS |
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) |
|
B8HP36 |
1" |
25mm |
Socket/Female |
1-11-1/2 Fem. NPTF |
1 |
4.13" (104.9mm) |
2.61" (66.3mm) |
1.75" (44.5mm) |
- |
- |
- |
- |
B8KP36 |
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) |
|
B8HP36BS |
1" |
25mm |
Socket/Female |
1-11 Fem. BSPP |
1 |
4.13" (104.9mm) |
2.61" (66.3mm) |
1.75" (44.5mm) |
- |
- |
- |
- |
B8KP36BS |
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 |
Body Size |
ISO Size |
Type |
Female Thread |
Figure |
Dimensions |
NBR Seal |
A |
B |
Hex |
C |
D |
E |
Hex |
B10H41 |
1-1/4" |
- |
Socket/Female |
1-1/2-11-1/2 Fem. NPTF |
3 |
4.51" (114.6mm) |
2.73" (69.3mm) |
2.38" (60.5mm) |
- |
- |
- |
- |
B10K41* |
1-1/4" |
- |
Plug/Male |
1-1/4-11-1/2 Fem. NPTF |
4 |
- |
- |
- |
4.25" (108.0mm) |
2.74" (69.6mm) |
2.33" (59.2mm) |
2.38" (60.5mm) |
|
B12H41 |
1-1/2" |
40mm |
Socket/Female |
1-1/4-11-1/2 Fem. NPTF |
3 |
4.82" (122.4mm) |
3.23" (82.0mm) |
2.38" (60.5mm) |
- |
- |
- |
- |
B12K41 |
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) |
|
B12H46 |
1-1/2" |
40mm |
Socket/Female |
1-1/2-11 Fem. NPTF |
3 |
4.82" (122.4mm) |
3.23" (82.0mm) |
2.38" (60.5mm) |
- |
- |
- |
- |
B12K46 |
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) |
|
B12H46BS |
1-1/2" |
40mm |
Socket/Female |
1-1/2-11 Fem. BSPP |
3 |
4.82" (122.4mm) |
3.23" (82.0mm) |
2.38" (60.5mm) |
- |
- |
- |
- |
B12K46BS |
1-1/2" |
40mm |
Plug/Male |
1-1/2-11 Fem. BSPP |
4 |
- |
- |
- |
4.76" (120.9mm) |
2.74" (69.6mm) |
2.67" (67.8mm) |
2.38" (60.5mm) |
|
B20H51 |
2-1/2" |
50mm |
Socket/Female |
2-11-1/2 Fem. NPTF |
3 |
5.55" (141.0mm) |
4.11" (104.4mm) |
3.75" (95.3mm) |
- |
- |
- |
- |
B20K51 |
2-1/2" |
50mm |
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) |
|
B20H56 |
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) |
- |
- |
- |
- |
B20K56 |
2-1/2" |
50mm |
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) |
|
B20H61 |
2-1/2" |
50mm |
Socket/Female |
3-8 Fem. NPTF |
3 |
7.00" (177.8mm) |
4.11" (104.4mm) |
4.00" (101.6mm) |
- |
- |
- |
- |
B20K61 |
2-1/2" |
50mm |
Plug/Male |
3-8 Fem. NPTF |
4 |
- |
- |
- |
6.94" (176.3mm) |
4.62" (117.3mm) |
4.42" (112.3mm) |
4.00" (101.6mm) |
* ISO 7241-1 Series B does not include 1-1/4 inch body size couplings; therefore, Series 10HK is not covered by this standard
A=Overall Length, B=Maximum Diameter
C=Overall Length, D=Maximum Diameter, E=Exposed Length when Connected
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.