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3K21CVAA Hansen® By Danfoss | HK 1-8 Series | 3/8″ Female NPTF X 3/8″ ISO 7241-1 B Interchange High Impulse Quick Disconnect With Valve Actuator | Male Plug | Standard Buna-N Seal | Steel

Original price was: $50.00.Current price is: $35.00.

SKU: AG9ZZ 1479750811684 Categories: Adapters & More, Quick Disconnects w/o Barb Tags: All-categories, Collection-lvl1_All Hose Ends, Collection-lvl2_Quick Disconnects, Collection-lvl3_Hydraulic Quick Disconnects, Eaton Hansen HK 1-8 Series Male Plug Quick Disconnect Couplings, Eaton Hansen HK Series ISO 7241-1-B Interchange Quick Disconnect Couplings, Fluid Transfer and Hydraulic, Hydraulic Hoses and Fittings, Hydraulic Quick Disconnect Couplings, LegacyProductTypeReplacement_All Categories, Matrixify1st50kProducts, PriceTeirs_Quick Disconnects, Quick-disconnects, TempQDFilter_ISO B

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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
	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	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 with Valve Actuator	Body Size	High Impulse	ISO Size	Type	Female Thread	Figure	Dimensions
Buna-N Seal	Body Size	High Impulse	ISO Size	Type	Female Thread	Figure	A	B	Across Flats	C	D	E	Hex
1H11VAA	1/8″	No	5mm	Socket/Female	1/8-27 Fem. NPTF	1	1.91″ (48.5mm)	0.98″ (24.9mm)	0.56″ (14.2mm)	–	–	–	–
1K11VAA	1/8″	No	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)

1K4VAA	1/8″	No	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)

2H16VAA	1/4″	No	6.3mm	Socket/Female	1/4-18 Fem. NPTF	1	2.26″ (57.4mm)	1.14″ (29.0mm)	0.75″ (19.1mm)	–	–	–	–
2K16VAA	1/4″	No	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)

2K16BSVAA	1/4″	No	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)

3K21VAA	3/8″	No	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)
3K21CVAA	3/8″	Yes	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)

4HP26VAA	1/2″	No	12.5mm	Socket/Female	1/2-14 Fem. NPTF	1	2.96″ (75.2mm)	1.86″ (47.2mm)	1.13″ (28.7mm)	–	–	–	–
4KP26VAA	1/2″	No	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)

4HP26BSVAA	1/2″	No	12.5mm	Socket/Female	1/2-14 Fem. BSPP	1	2.96″ (75.2mm)	1.86″ (47.2mm)	1.13″ (28.7mm)	–	–	–	–

6HP31VAA	3/4″	No	20mm	Socket/Female	3/4-14 Fem. NPTF	1	3.48″ (88.4mm)	2.22″ (56.4mm)	1.31″ (33.3mm)	–	–	–	–
6KP31VAA	3/4″	No	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)

8KP36VAA	1″	No	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)

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.