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) |