Hansen® by Danfoss
ST Series | Hose Stem End Connection
Fluid Transfer and Hydraulic Quick Disconnect Coupling
Danfoss Hansen ST Series is a straight-through coupling that is designed for use where minimum pressure drop is required and valving is not needed.
These couplings are suited for various and versatile fluid transfer type systems.
| Product Features: |
- Ball-latching mechanism.
- Smooth bore permits free flow of liquid or gas.
|
| Applications & Markets: |
- Fluid Transfer
- Chemical
- Food and Beverage
- Injection Molding
- Marine
- Medical
- Pressure Washing
- Steam Cleaning
|
| Materials: |
- Standard body material: Brass, 303 Stainless Steel, Steel
- Standard seal material: Nitrile (NBR)
|
| 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 PED 2014/68/EU. Couplings with nominal diameters greater than 25 mm are designed and manufactured in accordance with the stipulations
of Module A of the European Pressure Equipment Directive PED 2014/68/EU. They should not be used to convey unstable gases.
|
| Series |
Body Size |
Max. Operating
Pressure
Brass Socket
& Plug** |
Max. Operating
Pressure
Brass Socket
& Steel Plug** |
Max. Operating
Pressure
Stainless Socket
& Plug** |
Max. Operating
Pressure
Hazardous Liquids
and Gases
Group 1 |
Min. Burst Pressure* |
Rated
Flow |
| bar |
psi |
bar |
psi |
bar |
psi |
bar |
psi |
bar |
psi |
| 1ST |
1/8" |
193 bar |
2,800 psi |
234 bar |
3,400 psi |
290 bar |
4,200 psi |
*** bar |
*** psi |
772 bar |
11,200 psi |
10 lpm |
2.7 gpm |
| 2ST |
1/4" |
359 bar |
5,200 psi |
379 bar |
5,500 psi |
517 bar |
7,500 psi |
*** bar |
*** psi |
1,436 bar |
20,800 psi |
21 lpm |
5.6 gpm |
| 3ST |
3/8" |
193 bar |
2,800 psi |
290 bar |
4,200 psi |
434 bar |
6,300 psi |
*** bar |
*** psi |
772 bar |
11,200 psi |
57 lpm |
15 gpm |
| 4ST |
1/2" |
152 bar |
2,200 psi |
241 bar |
3,500 psi |
248 bar |
3,600 psi |
*** bar |
*** psi |
608 bar |
8,800 psi |
83 lpm |
22 gpm |
| 6ST |
3/4" |
117 bar |
1,700 psi |
145 bar |
2,100 psi |
207 bar |
3,000 psi |
*** bar |
*** psi |
468 bar |
6,800 psi |
250 lpm |
66 gpm |
| 8ST |
1" |
90 bar |
1,300 psi |
138 bar |
2,000 psi |
138 bar |
2,000 psi |
*** bar |
*** psi |
360 bar |
5,200 psi |
530 lpm |
140 gpm |
| 10ST |
1-1/4" |
117 bar |
1,700 psi |
186 bar |
2,700 psi |
152 bar |
2,200 psi |
*** bar |
*** psi |
468 bar |
6,800 psi |
697 lpm |
184 gpm |
| 12ST |
1-1/2" |
97 bar |
1,400 psi |
152 bar |
2,200 psi |
172 bar |
2,500 psi |
33 bar |
480 psi |
388 bar |
5,600 psi |
1,124 lpm |
297 gpm |
| 16ST |
2" |
97 bar |
1,400 psi |
152 bar |
2,200 psi |
103 bar |
1,500 psi |
27 bar |
390 psi |
388 bar |
5,600 psi |
1,855 lpm |
490 gpm |
| 20ST |
2-1/2" |
62 bar |
900 psi |
103 bar |
1,500 psi |
- |
- |
20 bar |
290 psi |
248 bar |
3,600 psi |
3,131 lpm |
827 gpm |
*For Brass socket and plug. Other materials have 4 to 1 safety factor
** Operating pressure for Non Hazardous liquids and gases from Group 2
*** Operating pressure is same as Non Hazardous liquids and gases from Group 2 for this size
|
Socket/Female (Figure 1) |
| ST Series | Sockets | Hose Stem Ends |
Brass
Part Number |
303 Stainless Steel
Part Number |
Body Size |
Type |
Hose ID |
Figure |
Dimensions |
| NBR Seal |
NBR Seal |
A |
B |
| 1S12 |
LL1S12 |
1/8" |
Socket/Female |
3/16" |
1 |
1.41"
(35.8mm) |
0.72"
(18.3mm) |
| 1S17 |
LL1S17 |
1/8" |
Socket/Female |
1/4" |
1 |
1.41"
(35.8mm) |
0.72"
(18.3mm) |
| 2S17 |
- |
1/4" |
Socket/Female |
1/4" |
1 |
2.10"
(53.3mm) |
0.97"
(24.6mm) |
| 3S22 |
LL3S22 |
3/8" |
Socket/Female |
3/8" |
1 |
2.09"
(53.1mm) |
1.16"
(29.5mm) |
| 4S27 |
LL4S27 |
1/2" |
Socket/Female |
1/2" |
1 |
2.19"
(55.6mm) |
1.34"
(34.0mm) |
| 6S32 |
LL6S32 |
3/4" |
Socket/Female |
3/4" |
1 |
3.19"
(81.0mm) |
1.72"
(43.7mm) |
| 8S37 |
LL8S37 |
1" |
Socket/Female |
1" |
1 |
3.32"
(84.3mm) |
2.03"
(51.6mm) |
|
Plug/Male (Figure 2) |
| ST Series | Plugs | Hose Stem Ends |
Brass
Part Number |
303 Stainless Steel
Part Number |
Steel
Part Number |
Body Size |
Type |
Hose ID |
Figure |
Dimensions |
| NBR Seal |
NBR Seal |
NBR Seal |
C |
D |
| B1T12 |
LL1T12 |
- |
1/8" |
Plug/Male |
3/16" |
2 |
1.28"
(32.5mm) |
0.44"
(11.2mm) |
| B1T17 |
LL1T17 |
- |
1/8" |
Plug/Male |
1/4" |
2 |
1.28"
(32.5mm) |
0.44"
(11.2mm) |
| B2T17 |
LL2T17 |
- |
1/4" |
Plug/Male |
1/4" |
2 |
1.93"
(49.0mm) |
0.56"
(14.2mm) |
| B3T22 |
LL3T22 |
- |
3/8" |
Plug/Male |
3/8" |
2 |
2.09"
(53.1mm) |
0.69"
(17.5mm) |
| B4T27 |
LL4T27 |
- |
1/2" |
Plug/Male |
1/2" |
2 |
2.17"
(55.1mm) |
0.88"
(22.4mm) |
| B6T32 |
LL6T32 |
- |
3/4" |
Plug/Male |
3/4" |
2 |
3.17"
(80.5mm) |
1.19"
(30.2mm) |
| B8T37 |
- |
8T37 |
1" |
Plug/Male |
1" |
2 |
3.28"
(83.3mm) |
1.5"
(38.1mm) |
