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4S26BS Hansen® By Danfoss | Quick Disconnect Coupling | ST Series | 1/2″ Female BSPP X 1/2″ Body Size | Socket | NBR Seal | Brass
Original price was: $46.72.$32.70Current price is: $32.70.
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| Product Features: |
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| Applications & Markets: |
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| Materials: |
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| European Pressure Equipment Directive: |
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| 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
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|---|---|---|---|---|---|---|---|---|---|
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Socket/Female (Figure 1) |
|||||||||
| ST Series | Sockets | Female Threaded Ends | |||||||||
| Brass Part Number |
303 Stainless Steel Part Number |
Body Size | Type | Port Size | Male Thread |
Figure | Dimensions | ||
| NBR Seal | NBR Seal | A | B | Hex | |||||
| 1S11 | LL1S11 | 1/8″ | Socket/Female | 1/8″ | 1/8-27 Female NPTF | 1 | 1.06″ (26.9mm) |
0.72″ (18.3mm) |
0.56″ (14.2mm) |
| – | LL1S11BS | 1/8″ | Socket/Female | 1/8″ | 1/8-28 Female BSPP | 1 | 1.03″ (26.2mm) |
0.72″ (18.3mm) |
0.56″ (14.2mm) |
| 2S16 | LL2S16 | 1/4″ | Socket/Female | 1/4″ | 1/4-18 Female NPTF | 1 | 1.5″ (38.1mm) |
0.97″ (24.6mm) |
0.81″ (20.6mm) |
| 2S16BS | LL2S16BS | 1/4″ | Socket/Female | 1/4″ | 1/4-19 Female BSPP | 1 | 1.5″ (38.1mm) |
0.97″ (24.6mm) |
0.81″ (20.6mm) |
| 3S21 | LL3S21 | 3/8″ | Socket/Female | 3/8″ | 3/8-18 Female NPTF | 1 | 1.59″ (40.4mm) |
1.16″ (29.5mm) |
1.00″ (25.4mm) |
| 3S21BS | LL3S21BS | 3/8″ | Socket/Female | 3/8″ | 3/8-19 Female BSPP | 1 | 1.59″ (40.4mm) |
1.16″ (29.5mm) |
1.00″ (25.4mm) |
| 4S26 | LL4S26 | 1/2″ | Socket/Female | 1/2″ | 1/2-14 Female NPTF | 1 | 1.91″ (48.5mm) |
1.34″ (34.0mm) |
1.13″ (28.7mm) |
| 4S26BS | LL4S26BS | 1/2″ | Socket/Female | 1/2″ | 1/2-14 Female BSPP | 1 | 1.91″ (48.5mm) |
1.34″ (34.0mm) |
1.13″ (28.7mm) |
| 6S31 | LL6S31 | 3/4″ | Socket/Female | 3/4″ | 3/4-14 Female NPTF | 1 | 2.06″ (52.3mm) |
1.72″ (43.7mm) |
1.44″ (36.6mm) |
| 6S31BS | LL6S31BS | 3/4″ | Socket/Female | 3/4″ | 3/4-14 Female BSPP | 1 | 2.06″ (52.3mm) |
1.72″ (43.7mm) |
1.44″ (36.6mm) |
| 8S36 | LL8S36 | 1″ | Socket/Female | 1″ | 1-11-1/2 Female NPTF | 1 | 2.33″ (59.2mm) |
2.03″ (51.6mm) |
1.75″ (44.5mm) |
| 8S36BS | LL8S36BS | 1″ | Socket/Female | 1″ | 1-11 Female BSPP | 1 | 2.33″ (59.2mm) |
2.03″ (51.6mm) |
1.75″ (44.5mm) |
| 10S41* | LL10S41 | 1-1/4″ | Socket/Female | 1-1/4″ | 1-1/4-11-1/2 Female NPTF | 1 | 2.44″ (62.0mm) |
2.5″ (63.5mm) |
2.00″ (50.8mm) |
| 10S41BS* | – | 1-1/4″ | Socket/Female | 1-1/4″ | 1-1/4-11 Female BSPP | 1 | 2.51″ (63.8mm) |
2.50″ (63.5mm) |
2.00″ (50.8mm) |
| 12S46* | LL12S46 | 1-1/2″ | Socket/Female | 1-1/2″ | 1-1/2-11-1/2 Female NPTF | 1 | 2.88″ (73.2mm) |
3.13″ (79.5mm) |
2.60″ (66.0mm) |
| 12S46BS* | LL12S46BS | 1-1/2″ | Socket/Female | 1-1/2″ | 1-1/2-11 Female BSPP | 1 | 2.88″ (73.2mm) |
3.13″ (79.5mm) |
2.63″ (66.8mm) |
| 16S51* | LL16S51 | 2″ | Socket/Female | 2″ | 2-11-1/2 Female NPTF | 1 | 3.09″ (78.5mm) |
3.75″ (95.3mm) |
3.00″ (76.2mm) |
| 16S51BS* | – | 2″ | Socket/Female | 2″ | 2-11 Female BSPP | 1 | 3.3″ (83.8mm) |
3.75″ (95.3mm) |
3.00″ (76.2mm) |
| 20S56* | – | 2-1/2″ | Socket/Female | 2-1/2″ | 2-1/2-8 Female NPTF | 1 | 3.44″ (87.4mm) |
4.50″ (114.3mm) |
3.50″ (88.9mm) |
 |
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|---|---|---|---|---|---|---|---|---|---|---|
|
Plug/Male (Figure 2) |
||||||||||
| ST Series | Plugs | Female Threaded Ends | ||||||||||
| Brass Part Number |
Steel Part Number |
303 Stainless Steel Part Number |
Body Size | Type | Port Size | Male Thread |
Figure | Dimensions | ||
| NBR Seal | NBR Seal | NBR Seal | C | D | Hex | |||||
| B1T11 | 1T11 | LL1T11 | 1/8″ | Plug/Male | 1/8″ | 1/8-27 Female NPTF | 2 | 0.97″ (24.6mm) |
0.58″ (14.7mm) |
0.50″ (12.7mm) |
| B1T11BS | – | LL1T11BS | 1/8″ | Plug/Male | 1/8″ | 1/8-28 Female BSPP | 2 | 0.97″ (24.6mm) |
0.65″ (16.5mm) |
0.56″ (14.2mm) |
| B2T16 | 2T16 | LL2T16 | 1/4″ | Plug/Male | 1/4″ | 1/4-18 Female NPTF | 2 | 1.45″ (36.8mm) |
0.79″ (20.1mm) |
0.69″ (17.5mm) |
| – | – | HL2T16** | 1/4″ | Plug/Male | 1/4″ | 1/4-18 Female NPTF | 2 | 1.45″ (36.8mm) |
0.79″ (20.1mm) |
0.69″ (17.5mm) |
| B2T16BS | – | LL2T16BS | 1/4″ | Plug/Male | 1/4″ | 1/4-19 Female BSPP | 2 | 1.45″ (36.8mm) |
0.87″ (22.1mm) |
0.75″ (19.1mm) |
| B3T21 | 3T21 | LL3T21 | 3/8″ | Plug/Male | 3/8″ | 3/8-18 Female NPTF | 2 | 1.63″ (41.4mm) |
0.94″ (23.9mm) |
0.81″ (20.6mm) |
| – | – | HL3T21** | 3/8″ | Plug/Male | 3/8″ | 3/8-18 Female NPTF | 2 | 1.63″ (41.4mm) |
0.94″ (23.9mm) |
0.81″ (20.6mm) |
| B3T21BS | – | LL3T21BS | 3/8″ | Plug/Male | 3/8″ | 3/8-19 Female BSPP | 2 | 1.63″ (41.4mm) |
1.01″ (25.7mm) |
0.88″ (22.4mm) |
| B4T26 | 4T26 | LL4T26 | 1/2″ | Plug/Male | 1/2″ | 1/2-14 Female NPTF | 2 | 1.92″ (48.8mm) |
1.15″ (29.2mm) |
1.00″ (25.4mm) |
| B4T26BS | – | LL4T26BS | 1/2″ | Plug/Male | 1/2″ | 1/2 -14 Female BSPP | 2 | 1.92″ (48.8mm) |
1.23″ (31.2mm) |
1.06″ (26.9mm) |
| B6T31 | 6T31 | LL6T31 | 3/4″ | Plug/Male | 3/4″ | 3/4-14 Female NPTF | 2 | 2.01″ (51.1mm) |
1.37″ (34.8mm) |
1.19″ (30.2mm) |
| B6T31BS | – | LL6T31BS | 3/4″ | Plug/Male | 3/4″ | 3/4-14 Female BSPP | 2 | 2.01″ (51.1mm) |
1.51″ (38.4mm) |
1.31″ (33.3mm) |
| B8T36 | 8T36 | LL8T36 | 1″ | Plug/Male | 1″ | 1-11-1/2 Female NPTF | 2 | 2.21″ (56.1mm) |
1.80″ (45.7mm) |
1.56″ (39.6mm) |
| B8T36BS | – | LL8T36BS | 1″ | Plug/Male | 1″ | 1-11 Female BSPP | 2 | 2.23″ (56.6mm) |
1.80″ (45.7mm) |
1.56″ (39.6mm) |
| B10T41 | 10T41 | LL10T41 | 1-1/4″ | Plug/Male | 1-1/4″ | 1-1/4-11-1/2 Female NPTF | 2 | 2.34″ (59.4mm) |
2.31″ (58.7mm) |
2.00″ (50.8mm) |
| B10T41BS | – | – | 1-1/4″ | Plug/Male | 1-1/4″ | 1-1/4-11 Female BSPP | 2 | 2.53″ (64.3mm) |
2.31″ (58.7mm) |
2.00″ (50.8mm) |
| B12T46 | 12T46 | LL12T46 | 1-1/2″ | Plug/Male | 1-1/2″ | 1-1/2-11-1/2 Female NPTF | 2 | 2.88″ (73.2mm) |
2.60″ (66.0mm) |
2.25″ (57.2mm) |
| B12T46BS | – | – | 1-1/2″ | Plug/Male | 1-1/2″ | 1-1/2-11 Female BSPP | 2 | 2.88″ (73.2mm) |
2.60″ (66.0mm) |
2.25″ (57.2mm) |
| B16T51 | – | 16T51 | 2″ | Plug/Male | 2″ | 2-11-1/2 Female NPTF | 2 | 3.03″ (77.0mm) |
3.18″ (80.8mm) |
2.75″ (69.9mm) |
| B16T51BS | – | – | 2 “ | Plug/Male | 2″ | 2-11 Female BSPP | 2 | 3.25″ (82.6mm) |
3.18″ (80.8mm) |
2.75″ (69.9mm) |
| B20T56 | – | 20T56 | 2-1/2″ | Plug/Male | 2-1/2″ | 2 1/2-8 Female NPTF | 2 | 3.37″ (85.6mm) |
3.75″ (95.3mm) |
3.25″ (82.6mm) |
* With Steel Sleeve
**High impulse heat treated 416 stainless steel.
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