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B4T26 Eaton ST Series Male Plug - 1/2-14 Female NPTF End Connection Quick Disconnect Coupling - Buna-N Seal - Brass

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Original price $19.03
Original price $19.03 - Original price $19.03
Original price $19.03
Current price $17.13
$17.13 - $17.13
Current price $17.13

Eaton ST Series - Quick Disconnect Couplings - Female End Sockets & Plugs

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Specifications for SKU: B4T26 Eaton
Shape (Orientation): Straight
Material(s): Brass
Eaton's 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. See How to Order Please reference Fluid Compatibility Chart (Both the elastomer and metal must be considered when determining suitability of combination for a coupling) SPECIFICATIONS
Applications & Markets:
  • Fluid Transfer
  • Chemical
  • Food and Beverage
  • Injection Molding
  • Marine
  • Medical
  • Pressure Washing
  • Steam Cleaning
Product Features:
  • Ball latching mechanism
  • Smooth bore permits free flow of liquid or gas
Standard Body Material: Brass, 303 Stainless Steel, Steel
Standard Seal Material: Buna-N
Other Couplings: ST Series Male End Sockets/Plugs ST Series Female End Sockets/Plugs ST Series Hose Stem Sockets/Plugs
Physical Characteristics
Series Body Size Max. Operating Pressure Min. Burst Pressure Rated Flow
Brass Socket & Plug Brass Socket & Steel Plug Stainless Socket & Plug
(in) (bar) (psi) (bar) (psi) (bar) (psi) (bar) (psi) (lpm) (gpm)
1ST 1/8 193 2,800 234 3,400 290 4,200 772 11,200 10 2.7
2ST 1/4 359 5,200 379 5,500 517 7,500 1,436 20,800 21 5.6
3ST 3/8 193 2,800 290 4,200 434 6,300 772 11,200 57 15
4ST 1/2 152 2,200 241 3,500 248 3,600 608 8,800 83 22
6ST 3/4 117 1,700 145 2,100 207 3,000 468 6,800 250 66
8ST 1 90 1,300 138 2,000 138 2,000 360 5,200 530 140
10ST 1 1/4 117 1,700 186 2,700 152 2,200 468 6,800 697 184
12ST 1 1/2 97 1,400 152 2,200 172 2,500 388 5,600 1,124 297
16ST 2 97 1,400 152 2,200 103 1,500 388 5,600 1,855 490
20ST 2 1/2 62 900 103 1,500 - - 248 3,600 3,131 827
Dimensions ST Series - Female Socket (Female End Connections)
Figure 1
Part NumberBrass Part NumberSteel Part Number303 Stainless Steel Coupling Type Body Size Port Size Thread Type Figure Dimensions
A B Hex
in(mm) in(mm) in(mm)
1S11 - LL1S11 Socket/Female 1/8 1/8 1/8-27 Female NPTF 1 1.06(26.9) 0.72(18.3) 0.56(14.2)
1S11BS - LL1S11BS Socket/Female 1/8 1/8 1/8-28 Female BSPP 1 1.03(26.2) 0.72(18.3) 0.56(14.2)
2S16 - LL2S16 Socket/Female 1/4 1/4 1/4-18 Female NPTF 1 1.50(38.1) 0.97(24.6) 0.81(20.6)
2S16BS - LL2S16BS Socket/Female 1/4 1/4 1/4-19 Female BSPP 1 1.50(38.1) 0.97(24.6) 0.81(20.6)
3S21 - LL3S21 Socket/Female 3/8 3/8 3/8-18 Female NPTF 1 1.59(40.4) 1.16(29.5) 1.00(25.4)
3S21BS - LL3S21BS Socket/Female 3/8 3/8 3/8-19 Female BSPP 1 1.59(40.4) 1.16(29.5) 1.00(25.4)
4S26 - LL4S26 Socket/Female 1/2 1/2 1/2-14 Female NPTF 1 1.91(48.5) 1.34(34.0) 1.13(28.7)
4S26BS - LL4S26BS Socket/Female 1/2 1/2 1/2-14 Female BSPP 1 1.91(48.5) 1.34(34.0) 1.13(28.7)
6S31 - LL6S31 Socket/Female 3/4 3/4 3/4-14 Female NPTF 1 2.06(52.3) 1.72(43.7) 1.44(36.6)
6S31BS - LL6S31BS Socket/Female 3/4 3/4 3/4 Female BSPP 1 2.06(52.3) 1.72(43.7) 1.44(36.6)
8S36 - LL8S36 Socket/Female 1 1 1-11 1/2 Female NPTF 1 2.33(59.2) 2.03(51.6) 1.75(44.5)
8S36BS - LL8S36BS Socket/Female 1 1 1-11 Female BSPP 1 2.33(59.2) 2.03(51.6) 1.75(44.5)
10S41* - LL10S41 Socket/Female 1 1/4 1 1/4 1 1/4-11 1/2 Female NPTF 1 2.44(62.0) 2.50(63.5) 2.00(50.8)
10S41BS* - - Socket/Female 1 1/4 1 1/2 1 1/4-11 Female BSPP 1 2.51(63.8) 2.50(63.5) 2.00(50.8)
12S46* - LL12S46 Socket/Female 1 1/2 1 1/2 1 1/2-11 1/2 Female NPTF 1 2.88(73.2) 3.13(79.5) 2.60(66.0)
12S46BS* - LL12S46BS Socket/Female 1 1/2 1 1/2 1 1/2-11 Female BSPP 1 2.88(73.2) 3.13(79.5) 2.63(66.8)
16S51* - LL16S51 Socket/Female 2 2 2-11 1/2 Female NPTF 1 3.09(78.5) 3.75(95.3) 3.00(76.2)
16S51BS* - LL16S51BS Socket/Female 2 2 2-11 Female BSPP 1 3.30(83.8) 3.75(95.3) 3.00(76.2)
20S56* - - Socket/Female 2 1/2 2 1/2 2 1/2-8 Female NPTF 1 3.44(87.4) 4.50(114.3) 3.50(88.9)
* With Steel Sleeve Dimensions ST Series - Male Plug (Female End Connections)
Figure 2
Part NumberBrass Part NumberSteel Part Number303 Stainless Steel Coupling Type Body Size Port Size Thread Type Figure Dimensions
C D Hex
in(mm) in(mm) in(mm)
B1T11 1T11 LL1T11 Plug/Male 1/8 1/8 1/8-27 Female NPTF 2 0.97(24.6) 0.58(14.7) 0.50(12.7)
B1T11BS - LL1T11BS Plug/Male 1/8 1/8 1/8-28 Female BSPP 2 0.97(24.6) 0.65(16.5) 0.56(14.2)
B2T16 2T16 LL2T16 Plug/Male 1/4 1/4 1/4-18 Female NPTF 2 1.45(36.8) 0.79(20.1) 0.69(17.5)
- - HL2T16** Plug/Male 1/4 1/4 1/4-18 Female NPTF 2 1.45(36.8) 0.79(20.1) 0.69(17.5)
-
- LL2T16BS Plug/Male 1/4 1/4 1/4-19 Female BSPP 2 1.45(36.8) 0.87(22.1) 0.75(19.1)
B3T21 3T21 LL3T21 Plug/Male 3/8 3/8 3/8-18 Female NPTF 2 1.63(41.4) 0.94(23.9) 0.81(20.6)
- - HL3T21** Plug/Male 3/8 3/8 3/8-18 Female NPTF 2 1.63(41.4) 0.94(23.9) 0.81(20.6)
B3T21BS - LL3T21BS Plug/Male 3/8 3/8 3/8-19 Female BSPP 2 1.63(41.4) 1.01(25.7) 0.88(22.4)
B4T26 4T26 LL4T26 Plug/Male 1/2 1/2 1/2-14 Female NPTF 2 1.92(48.8) 1.15(29.2) 1.00(25.4)
B4T26BS - LL4T26BS Plug/Male 1/2 1/2 1/2-14 Female BSPP 2 1.92(48.8) 1.23(31.2) 1.06(26.9)
B6T31 6T31 LL6T31 Plug/Male 3/4 3/4 3/4-14 Female NPTF 2 2.01(51.1) 1.37(34.8) 1.19(30.2)
B6T31BS - LL6T31BS Plug/Male 3/4 3/4 3/4-14 Female BSPP 2 2.01(51.1) 1.51(38.4) 1.31(33.3)
B8T36 8T36 LL8T36 Plug/Male 1 1 1-11 1/2 Female NPTF 2 2.21(56.1) 1.80(45.7) 1.56(39.6)
B8T36BS - LL8T36BS Plug/Male 1 1 1-11 Female BSPP 2 2.23(56.6) 1.80(45.7) 1.56(39.6)
B10T41 10T41 LL10T41 Plug/Male 1 1/4 1 1/4 1 1/4-11 1/2 Female NPTF 2 2.34(59.4) 2.31(58.7) 2.00(50.8)
B10T41BS - LL10T41BS Plug/Male 1 1/4 1 1/4 1 1/4-11 Female BSPP 2 2.53(64.3) 2.31(58.7) 2.00(50.8)
B12T46 12T46 LL12T46 Plug/Male 1 1/2 1 1/2 1 1/2-11 1/2 Female NPTF 2 2.88(73.2) 2.60(66.0) 2.25(57.2)
B12T46BS - LL12T46BS Plug/Male 1 1/2 1 1/2 1 1/2-11 Female BSPP 2 2.88(73.2) 2.60(66.0) 2.25(57.2)
B16T51 16T51 - Plug/Male 2 2 2-11 1/2 Female NPTF 2 3.03(77.0) 3.18(80.8) 2.75(69.9)
B16T51BS - - Plug/Male 2 2 2-11 Female BSPP 2 3.25(82.6) 3.18(80.8) 2.75(69.9)
B20T56 20T56 - Plug/Male 2 1/2 2 1/2 2 1/2-8 Female NPTF 2 3.37(85.6) 3.75(95.3) 3.25(82.6)
** High impulse heat treated 416 stainless steel ST Series Dust Caps and Dust Plugs
Series Dust Cap Dust Plug
2ST - PSDC1HK
3ST - PSDC2HK
6ST PPDC4HK PSDC4HK
8ST PPDC6HK -
10ST PPDC8HK -
Danfoss (Eaton - Aeroquip)

Danfoss (Eaton - Aeroquip)

Danfoss is a global technology leader in power management solutions that make electrical, hydraulic and mechanical power operate more efficiently, reliably, safely and sustainably. Danfoss hydraulic pumps, motors, transmissions, valves, cylinders, controls, hose and fittings offer a unique combination of proven technology and innovative design that translates directly into reliable performance and enhanced uptime.

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