ML6HP31BS Hansen® by Danfoss | Quick Disconnect Coupling | HK1-8 Series | 3/4" Female BSPP x 3/4" ISO 7241-1 B | Socket | NBR Seal | 316 Stainless Steel

$0.00 - $0.00

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$456.71

$456.71 - $456.71

$456.71

Hansen® by Danfoss
HK Series | ISO 7241-1 B Interchange

Fluid Transfer and Hydraulic Quick Disconnect Coupling

Danfoss Hansen HK stainless steel coupling is a general purpose industrial interchange coupling offered in 303/316 grades of stainless steel for excellent corrosion resistance in rugged applications.

The HK Series features a ball latch mechanism with automatic self-sealing poppet valves.

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Specifications for Variant SKU: ML6HP31BS Danfoss
Brand:	Hansen
Series:	HK1-8 Series
Shape (Orientation):	Straight
Ends Configuration:	3/4in Female BSPP, 3/4in ISO-B QD Interchange
Material(s):	316 Stainless Steel
Seal Material(s):	Buna-N/Nitrile Rubber

Product Features:	Self-sealing poppet valves provide excellent high and low pressure sealing. 303/316 Stainless steel construction for greater corrosion resistance and fluid compatibility
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: 303 or 316 Stainless Steel. Standard seal material: Nitrile (NBR) (40°F to +250°F \| -40°C to +121°C)
European Pressure Equipment Directive:	Couplings with nominal diameters up to and including 25mm 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
	Body Size	ISO Size	Nominal Flow Diameter	Non Hazardous Liquids & Gases (Group 2)		Hazardous Liquids & Gases (Group 1)				Air Inclusion	Fluid Loss
	in.	mm	mm	bar	psi	bar	psi	lpm	gpm	cc.max.	cc.max.
1HK	1/8"	5mm	4.4mm	344 bar	5,000 psi	344 bar	5,000 psi	3 lpm	0.8 gpm	0.6 cc.max.	0.5 cc.max.
2HK	1/4"	6.3mm	5.9mm	255 bar	3,700 psi	255 bar	3,700 psi	12 lpm	3 gpm	1.2 cc.max.	0.9 cc.max.
3HK	3/8"	10mm	7.8mm	255 bar	3,700 psi	255 bar	3,700 psi	23 lpm	6 gpm	2.9 cc.max.	2.1 cc.max.
4HK	1/2"	12.5mm	10mm	293 bar	4,250 psi	293 bar	4,250 psi	45 lpm	12 gpm	3.6 cc.max.	3.5 cc.max.
6HK	3/4"	20mm	17mm	242 bar	3,500 psi	242 bar	3,500 psi	100 lpm	26 gpm	11.5 cc.max.	9.3 cc.max.
8HK	1"	25mm	19.6mm	207 bar	3,000 psi	207 bar	3,000 psi	189 lpm	50 gpm	18.0 cc.max.	16.9 cc.max.
10HK	1-1/4"**	-	26.7mm	118 bar	1,700 psi	37 bar	537 psi	288 lpm	76 gpm	48.0 cc.max.	48.0 cc.max.
12HK	1-1/2"	40mm	35.1mm	152bar	2,200 psi	29 bar	421 psi	375 lpm	99 gpm	91.3 cc.max.	91.3 cc.max.
20HK	2-1/2"	50mm	46mm	104bar	1,500 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 303 Stainless Steel	Part Number 316 Stainless Steel	Body Size	ISO Size	Type	Female Thread	Figure	Dimensions
NBR Seal	NBR Seal	Body Size	ISO Size	Type	Female Thread	Figure	A	B	Across Flats	C	D	E	Hex
LL1H11	ML1H11	1/8"	5mm	Socket/Female	1/8-27 Fem. NPTF	1	1.91" (48.5mm)	0.98" (24.9mm)	0.56" (14.2mm)	-	-	-	-
LL1K11	ML1K11	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)

LL1H4	-	1/8"	5mm	Socket/Female	7/16-20 Fem. SAE ORB	1	2.06" (52.3mm)	0.98" (24.9mm)	0.69" (17.5mm)	-	-	-	-
LL1K4	-	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)

LL2H16	ML2H16	1/4"	6.3mm	Socket/Female	1/4-18 Fem. NPTF	1	2.26" (57.4mm)	1.14" (29.0mm)	0.75" (19.1mm)	-	-	-	-
LL2K16	ML2K16	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)

LL2H16BS	ML2H16BS	1/4"	6.30mm	Socket/Female	1/4-19 Fem. BSPP	1	2.31" (58.7mm)	1.14" (29.0mm)	0.75" (19.1mm)	-	-	-	-
LL2K16BS	ML2K16BS	1/4"	6.30mm	Plug/Male	1/4-19 Fem. BSPP	2	-	-	-	1.52" (38.6mm)	0.87" (22.1mm)	0.56" (14.2mm)	0.75" (19.1mm)

LL2H6	-	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)	-	-	-	-
LL2K6	-	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)

LL3H21	ML3H21	3/8"	10mm	Socket/Female	3/8-18 Fem. NPTF	1	2.56" (65.0mm)	1.42" (36.1mm)	0.88" (22.4mm)	-	-	-	-
LL3K21	ML3K21	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)

LL3H21BS	ML3H21BS	3/8"	10mm	Socket/Female	3/8-19 Fem. BSPP	1	2.56" (65.0mm)	1.42" (36.1mm)	0.88" (22.4mm)	-	-	-	-
LL3K21BS	ML3K21BS	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)

LL3H8	-	3/8"	10mm	Socket/Female	3/4-16 Fem. SAE ORB	1	2.74" (69.6mm)	1.42" (36.1mm)	1.00" (25.4mm)	-	-	-	-
LL3K8	-	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)

LL4HP26	ML4HP26	1/2"	12.5mm	Socket/Female	1/2-14 Fem. NPTF	1	2.96" (75.2mm)	1.86" (47.2mm)	1.13" (28.7mm)	-	-	-	-
LL4KP26	ML4KP26	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)

LL4HP26BS	ML4HP26BS	1/2"	12.5mm	Socket/Female	1/2-14 Fem. BSPP	1	2.96" (75.2mm)	1.86" (47.2mm)	1.13" (28.7mm)	-	-	-	-
LL4KP26BS	ML4KP26BS	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)

LL4HP10	-	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)	-	-	-	-
LL4KP10	-	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)

LL6HP31	ML6HP31	3/4"	20mm	Socket/Female	3/1-14 Fem. NPTF	1	3.48" (88.4mm)	2.22" (56.4mm)	1.31" (33.3mm)	-	-	-	-
LL6KP31	ML6KP31	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)

LL6HP31BS	ML6HP31BS	3/4"	20mm	Socket/Female	3/4-14 Fem. BSPP	1	3.48" (88.4mm)	2.22" (56.4mm)	1.31" (33.3mm)	-	-	-	-
LL6KP31BS	ML6KP31BS	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)

LL6HP12	-	3/4"	20mm	Socket/Female	1-1/16-12 Fem. SAE ORB	1	3.67" (93.2mm)	2.22" (56.4mm)	1.38" (35.1mm)	-	-	-	-
LL6KP12	-	3/4"	20mm	Plug/Male	1-1/16-12 Fem. SAE ORB	2	-	-	-	2.54" (64.5mm)	1.59" (40.4mm)	0.89" (22.6mm)	1.38" (35.1mm)

LL8HP36	ML8HP36	1"	25mm	Socket/Female	1-11-1/2 Fem. NPTF	1	4.13" (104.9mm)	2.61" (66.3mm)	1.75" (44.5mm)	-	-	-	-
LL8KP36	ML8KP36	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)

LL8HP36BS	ML8HP36BS	1"	25mm	Socket/Female	1-11 Fem. BSPP	1	4.13" (104.9mm)	2.61" (66.3mm)	1.75" (44.5mm)	-	-	-	-
LL8KP36BS	ML8KP36BS	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)

LL8HP16	-	1"	25mm	Socket/Female	1-5/16-12 Fem. SAE ORB	1	4.13" (104.9mm)	2.61" (66.3mm)	1.88" (47.8mm)	-	-	-	-
LL8KP16	-	1"	25mm	Plug/Male	1-5/16-12 Fem. SAE ORB	2	-	-	-	2.85" (72.4mm)	2.17" (55.1mm)	0.97" (24.6mm)	1.88" (47.8mm)

HK10/12/20 Series

Socket/Female (Figure 3)						Plugs (Male) (Figure 4)
Part Number 303 Stainless Steel	Body Size	ISO Size	Type	Female Thread	Figure	Dimensions
NBR Seal	Body Size	ISO Size	Type	Female Thread	Figure	A	B	Hex	C	D	E	Hex
LL10H41*	1-1/4"	-	Socket/Female	1-1/4-11-1/2 Fem. NPTF	1	4.51" (114.6mm)	2.73" (69.3mm)	2.38" (60.5mm)	-	-	-	-
LL10K41*	1-1/4"	-	Plug/Male	1-1/4-11-1/2 Fem. NPTF	2	-	-	-	4.25" (108.0mm)	2.74" (69.6mm)	2.33" (59.2mm)	2.38" (60.5mm)

LL10H41BS*	1-1/4"	-	Socket/Female	1-1/4-11 Fem. BSPP	1	4.51" (114.6mm)	2.73" (69.3mm)	2.38" (60.5mm)	-	-	-	-

LL12H41	1-1/2"	40mm	Socket/Female	1-1/4-11-1/2 Fem. NPTF	1	4.82" (122.4mm)	3.23" (82.0mm)	2.38" (60.5mm)	-	-	-	-
LL12K41	1-1/2"	40mm	Plug/Male	1-1/4-11-1/2 Fem. NPTF	2	-	-	-	4.76" (120.9mm)	2.74" (69.6mm)	2.67" (67.8mm)	2.38" (60.5mm)

LL12H41BS	1-1/2"	40mm	Socket/Female	1-1/4-11 Fem. BSPP	1	4.82" (122.4mm)	3.23" (82.0mm)	2.38" (60.5mm)	-	-	-	-
LL12K41BS	1-1/4"	40mm	Plug/Male	1-1/4-11 Fem. BSPP	2	-	-	-	4.76" (120.9mm)	2.74" (69.6mm)	2.67" (67.8mm)	2.38" (60.5mm)

LL12H46	1-1/2"	40mm	Socket/Female	1-1/2-11-1/2 Fem. NPTF	1	4.82" (122.4mm)	3.23" (82.0mm)	2.38" (60.5mm)	-	-	-	-
LL12K46	1-1/2"	40mm	Plug/Male	1-1/2-11-1/2 Fem. NPTF	2	-	-	-	4.76" (120.9mm)	2.74" (69.6mm)	2.67" (67.8mm)	2.38" (60.5mm)

LL12H46BS	1-1/2"	40mm	Socket/Female	1-1/2-11 Fem. BSPP	1	4.82" (122.4mm)	3.23" (82.0mm)	2.38" (60.5mm)	-	-	-	-
LL12K46BS	1-1/2"	40mm	Plug/Male	1-1/2-11 Fem. BSPP	2	-	-	-	4.76" (120.9mm)	2.74" (69.6mm)	2.67" (67.8mm)	2.38" (60.5mm)

LL20H51	2-1/2"	50mm	Socket/Female	2-11-1/2 Fem. NPTF	1	5.55" (141.0mm)	4.11" (104.4mm)	3.75" (95.3mm)	-	-	-	-
LL20K51	2-1/2"	50mm	Plug/Male	2-11-1/2 Fem. NPTF	2	-	-	-	5.49" (139.4mm)	4.33" (110.0mm)	2.97" (75.4mm)	3.75" (95.3mm)

LL20H61	2-1/2"	50mm	Socket/Female	3-8 Fem. NPTF	1	7.00" (177.8mm)	4.11" (104.4mm)	4.00" (101.6mm)	-	-	-	-
LL20K61	2-1/2"	50mm	Plug/Male	3-8 Fem. NPTF	2	-	-	-	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.

Danfoss (Eaton - Aeroquip)

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