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B4T25 Hansen® by Danfoss | Quick Disconnect Coupling | ST Series | 1/2" Male NPTF x 1/2" Body Size | Plug | NBR Seal | Brass

B4T25 Hansen® by Danfoss | Quick Disconnect Coupling | ST Series | 1/2" Male NPTF x 1/2" Body Size | Plug | NBR Seal | Brass

$0.00 - $0.00
$0.00
$15.35
$15.35 - $15.35
$15.35

Hansen® by Danfoss
ST Series | Male Thread End Connections

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.
Can I get a discount on my purchase?

Our listed prices are our lowest possible price with current costing but when volumes/value are high enough sometimes we can pass on a discount from the manufacturer.

Some products have predefined quantity discounts that will apply automatically, those pages have a table near the price describing the discount teirs.

If you feel your purchase quantity of a particular product is very large and want us to investigate with the manufacturer please feel free to Contact Us.

What if my item is out of stock?

All customers get an email regarding the shipping time frame of their purchase, usually within the business day. If your item is in stock we will ship within 1 business day, otherwise, the email will contain a lead time. If you do not receive this email, we recommend checking your email's spam folder. If you have any questions at that point please do not hesitate to Contact Us or chat below!

Can I get free shipping?

Shipping will calculate as free instantly if your order value exceeds $5000.

Some exceptions apply.

Free Freight is only available for the Contiguous USA.

Specifications for Variant SKU: B4T25 Danfoss
Brand: Hansen
Series: ST Series
Shape (Orientation): Straight
Material(s): Brass
Seal Material(s): Buna-N/Nitrile Rubber
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 | Male 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
1S10 LL1S10 1/8" Socket/Female 1/8" 1/8-27 Male NPTF 1 1.06"
(26.9mm)		 0.72"
(18.3mm)		 0.56"
(14.2mm)
2S15 LL2S15 1/4" Socket/Female 1/4" 1/4-18 Male NPTF 1 1.72"
(43.7mm)		 0.97"
(24.6mm)		 0.81"
(20.6mm)
3S20 LL3S20 3/8" Socket/Female 3/8" 3/8-18 Male NPTF 1 1.75"
(44.5mm)		 1.16"
(29.5mm)		 1.00"
(25.4mm)
3S20BS LL3S20BS 3/8" Socket/Female 3/8" 3/8-19 Male BSPP 1 1.71"
(43.4mm)		 1.16"
(29.5mm)		 1.00"
(25.4mm)
4S25 LL4S25 1/2" Socket/Female 1/2" 1/2-14 Male NPTF 1 2.03"
(51.6mm)		 1.34"
(34.0mm)		 1.13"
(28.7mm)
4S25BS - 1/2" Socket/Female 1/2" 1/2-14 Male BSPP 1 1.80"
(45.7mm)		 1.34"
(34.0mm)		 1.13"
(28.7mm)
6S30 LL6S30 3/4" Socket/Female 3/4" 3/4-14 Male NPTF 1 2.22"
(56.4mm)		 1.72"
(43.7mm)		 1.44"
(36.6mm)
6S30BS - 3/4" Socket/Female 3/4" 3/4-14 Male BSPP 1 2.03"
(51.6mm)		 1.72"
(43.7mm)		 1.44"
(36.6mm)
8S35 - 1" Socket/Female 1" 1-11-1/2 Male NPTF 1 2.53"
(64.3mm)		 2.03"
(51.6mm)		 1.75"
(44.5mm)
8S35BS - 1" Socket/Female 1" 1-11 Male BSPP 1 2.37"
(60.2mm)		 2.03"
(51.6mm)		 1.75"
(44.5mm)
Plug/Male (Figure 2)
ST Series | Plugs | Male 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
B1T10 1T10E LL1T10 1/8" Plug/Male 1/8" 1/8-27 Male NPTF 2 1.06"
(26.9mm)		 0.51"
(13.0mm)		 0.44"
(11.2mm)
B1T15 1T15 - 1/8" Plug/Male 1/4" 1/4-18 Male NPTF 2 1.22"
(31.0mm)		 0.65"
(16.5mm)		 0.56"
(14.2mm)
B2T15 2T15 LL2T15 1/4" Plug/Male 1/4" 1/4-18 Male NPTF 2 1.56"
(39.6mm)		 0.65"
(16.5mm)		 0.56"
(14.2mm)
- - HL2T15** 1/4" Plug/Male 1/4" 1/4-18 Male NPTF 2 1.56"
(39.6mm)		 0.65"
(16.5mm)		 0.56"
(14.2mm)
- - LL2T15BS 1/4" Plug/Male 1/4" 1/4-19 Male BSPP 2 1.46"
(37.1mm)		 0.87"
(22.1mm)		 0.75"
(19.1mm)
B3T20 3T20 LL3T20 3/8" Plug/Male 3/8" 3/8-18 Male NPTF 2 1.69"
(42.9mm)		 0.79"
(20.1mm)		 0.69"
(17.5mm)
- - HL3T20** 3/8" Plug/Male 3/8" 3/8-18 Male NPTF 2 1.69"
(42.9mm)		 0.79"
(20.1mm)		 0.69"
(17.5mm)
B3T20BS - LL3T20BS 3/8" Plug/Male 3/8" 3/8-19 Male BSPP 2 1.50"
(38.1mm)		 1.01"
(25.7mm)		 0.88"
(22.4mm)
B4T25 4T25 LL4T25 1/2" Plug/Male 1/2" 1/2-14 Male NPTF 2 2.01"
(51.1mm)		 1.01"
(25.7mm)		 0.88"
(22.4mm)
B4T25BS - LL4T25BS 1/2" Plug/Male 1/2" 1/2-14 Male BSPP 2 1.82"
(46.2mm)		 1.15"
(29.2mm)		 1.00"
(25.4mm)
B6T30 6T30 LL6T30 3/4" Plug/Male 3/4" 3/4-14 Male NPTF 2 2.20"
(55.9mm)		 1.23"
(31.2mm)		 1.06"
(26.9mm)
B6T30BS - LL6T30BS 3/4" Plug/Male 3/4" 3/4-14 Male BSPP 2 2.08"
(52.8mm)		 1.44"
(36.6mm)		 1.25"
(31.8mm)
B8T35 8T35 LL8T35 1" Plug/Male 1" 1-11-1/2 Male NPTF 2 2.49"
(63.2mm)		 1.59"
(40.4mm)		 1.38"
(35.1mm)
B8T35BS - - 1" Plug/Male 1" 1-11 Male BSPP 2 2.36"
(59.9mm)		 2.02"
(51.3mm)		 1.75"
(44.5mm)
B10T40 10T40 LL10T40 1-1/4" Plug/Male 1-1/4" 1-1/4-11-1/2 Male NPTF 2 2.72"
(69.1mm)		 2.02"
(51.3mm)		 1.75"
(44.5mm)
B12T45 12T45 - 1-1/2" Plug/Male 1-1/2" 1-1/2-11-1/2 Male NPTF 2 3.31"
(84.1mm)		 2.60"
(66.0mm)		 2.25"
(57.2mm)
B12T45BS - - 1-1/2" Plug/Male 1-1/2" 1-1/2-11 Male BSPP 2 3.06"
(77.7mm)		 2.60"
(66.0mm)		 2.25"
(57.2mm)
B16T50 16T50 LL16T50 2" Plug/Male 2" 2-11-1/2 Male NPTF 2 3.50"
(88.9mm)		 3.18"
(80.8mm)		 2.75"
(69.9mm)
B20T55 - - 2-1/2" Plug/Male 2-1/2" 2-1/2-8 Male NPTF 2 4.24"
(107.7mm)		 3.75"
(95.3mm)		 3.25"
(82.6mm)

**High impulse heat treated 416 stainless steel.

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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