Pneumatic Drains

Pneumatic drains, commonly also called automatic drains, are used in pneumatic air preparation.They provide an efficient way of removing condensates, including water, from your pneumatic system.

Why are pneumatic drains important?

Pneumatic drains can be used in all kinds of pneumatic systems, for example in factories. They work in conjunction with filters to remove contaminants or to prevent them from building up in a pneumatic system. Excess lubricant, metal particles, rust and scale can be separated out from the system by filters, and then removed via a drain.

Pneumatic drains can be installed at low points in the system to help stop condensation collecting. They reduce the risk of damage to expensive equipment and the need for downtime.

Features of pneumatic drains

Pneumatic drains are available in a range of sizes and volumes depending on the system they're compatible with and how heavy-duty the application they're needed for is. Particularly useful are automatic pneumatic drains, which reduce the risk of forgetting to empty the drain.


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Description Price Manufacturer Series Drain Type Inlet Port Outlet Port Bowl Capacity Dimensions Inlet Port - Thread Size Minimum Operating Temperature Height Minimum Operating Pressure Outlet Port - Thread Standard Outlet Port - Thread Size Depth Inlet Port Thread Standard
RS Stock No. 234-1993
Mfr. Part No.AD402-04
BrandSMC
$167.95
Each
units
AD Automatic Rc 1/2 Rc 1/2 400cm³/min 184 x 82 x 82mm - +5°C 184mm 1.5bar - - 82mm Rc
RS Stock No. 768-1570
Mfr. Part No.AD37
BrandSMC
$58.47
Each
units
AD Automatic - - 25cm³ - - -5°C - 0.15MPa - - - -
RS Stock No. 290-3585
Mfr. Part No.ADH4000-04
BrandSMC
$484.88
Each
units
ADH4000 Automatic Rc 1/2 Rc 1/2 400cm³/min 189 x 100 x 108mm - +5°C 189mm 0.05MPa - - 108mm Rc
RS Stock No. 210-238
Mfr. Part No.EAD202-F02
BrandSMC
$86.70
Each
units
EAD202 Automatic - - - - 1/4 - 154mm 1.5bar - 1/4 - -
RS Stock No. 827-2345
Mfr. Part No.AD48
BrandSMC
$52.65
Each
units
AD Automatic - - 45cm³ - - -5°C - - - - - -
RS Stock No. 234-2003
Mfr. Part No.AD600-06
BrandSMC
$211.96
Each
units
AD Automatic G 3/4 G 3/4 400cm³/min 183 x 112 x 112mm - +5°C 183mm 3bar - - 112mm G
RS Stock No. 748-5528
Mfr. Part No.AD402-03
BrandSMC
$117.31
Each
units
AD Automatic Rc 3/8 Rc 3/8 - - - +5°C 184mm 0.1MPa - - - Rc
RS Stock No. 724-554
Mfr. Part No.D11G04/E
BrandParker
$127.77
Each
units
D Automatic G 1/2 G 1/2 114ml 135 x 54 x 54mm - +5°C 135mm 2bar - - 54mm G
RS Stock No. 822-3964
Mfr. Part No.17-816-998
$156.54
Each
units
17-816 Automatic G 1/2 G 1/8 - 170 x 59mm 1/2in -20°C 170mm - G 1/8in - G
RS Stock No. 175-4497
Mfr. Part No.GRE-1/4
BrandFesto
$26.89
Each
units
GRE - G 1/4 - - 18.2 Dia. x 32.1mm 6.35mm -10°C - 0bar - - - G
RS Stock No. 175-4496
Mfr. Part No.GRE-1/8
BrandFesto
$23.80
Each
units
GRE - G 1/8 - - 15 Dia. x 27.1mm 3.175mm -10°C - 0bar - - - G
RS Stock No. 175-4495
Mfr. Part No.SVS-3-1/8
BrandFesto
$178.55
Each
units
SVS - G 1/8 G 1/8 - 68 x 37.5 x 40.5mm 3.175mm -10°C 68mm 2.8bar G - 40.5mm G
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