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B20H56 Hansen® By Danfoss | Quick Disconnect Coupling | HK10/12/20 Series | 2-1/2″ Female NPTF X 2-1/2″ ISO 7241-1 B | Socket | NBR Seal | Brass
Original price was: $324.00.$99.99Current price is: $99.99.
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| Product Features: |
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| Applications & Markets: |
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| ISO Standard: |
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| Materials: |
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| European Pressure Equipment Directive: |
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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
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|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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 | ||||||||||||
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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.
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