Quick Disconnect Couplings - Flipbook - Seite 39
Fluid transfer & Hydraulic application
Product Features
European Pressure Equipment Directive
• Meets dimensional requirements to ISO standard
7241-1 Series B
• 303/316 Stainless steel construction for greater corrosion resistance
and fluid compatibility
• Self-sealing poppet valves provide excellent high and low pressure
sealing
• Standard body material: 303 or 316 Stainless Steel
• Standard seal material: Nitrile (NBR)
• Seal options available in PTFE, Neoprene, FKM, EPDM, and Kalrez®
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.
Global region
Danfoss Hansen HK stainless steel coupling is a general
purpose industrial interchange coupling available in
valved or non-valved designs, 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.
HK Series (Stainless Steel)
ISO 7241-1 B Interchange
Group 1 = Hazardous media / Group 2 = Other media
Physical Characteristics
Body Size
(in)
1HK
2HK
3HK
4HK
6HK
8HK
10HK
12HK
20HK
¼
½
¾
1
1¼**
1½
2½
ISO Size
Max. Operating Pressure
Hazardous
Non hazardous
liquids & gases
liquids & gases
Group 1
Group 2
Fluid
Loss
Air
Inclusion
Rated Flow*
(mm)
(mm)
(bar)
(psi)
(bar)
(psi)
(lpm)
(gpm)
cc. max.
cc. max.
5
6.3
10
12.5
20
25
—
40
50
4.4
5.9
7.8
10
17
19.6
26.7
35.1
46
344
255
255
293
242
207
118
152
104
5,000
3,700
3,700
4,250
3,500
3,000
1,700
2,200
1,500
344
255
255
293
242
207
37
29
21
5,000
3,700
3,700
4,250
3,500
3,000
537
421
305
3
12
23
45
100
189
288
375
757
0.8
3
6
12
26
50
76
99
200
0.6
1.2
2.9
3.6
11.5
18.0
48.0
91.3
209.9
0.5
0.9
2.1
3.5
9.3
16.9
48.0
91.3
209.9
* For questions related to vacuum please contact Danfoss.
** No ISO Standard available for the 10HK
Flow Data
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
Danfoss Quick Disconnect Couplings Master Catalog
Pressure drop (PSI)
1
Flow rate (l/min)
100
10
1000
72,5
5
58,0
4
43,5
3
29,0
2
14.5
1
7,25
0,5
4,35
0,3
2,90
0,2
1.45
0.264
Pressure drop (bar)
Series
Nominal
Flow
Diameter
0.1
2.64
26.4
264
Flow rate (gpm)
Hydraulic Oil viscosity : 30 Cst at 40°C / 104°F
Seal Elastomer Data*
Seal Elastomer
Max. Operation Temperature Range
Nitrile (NBR)
-40°C to +121°C/40°F to +250°F
Neoprene
-54°C to +100°C/-65°F to +212°F
EPDM
-54°C to +149°C/-65°C to +300°F
FKM
-29°C to +204°C/-15°F to +400°F
*For reference only, based on Danfoss recommended temperatures.
Contact Danfoss technical support for further information on fluid
compatibility.
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