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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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Part Details Brand Stock 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 Maximum Operating Pressure Width Depth Maximum Operating Temperature Inlet Port Thread Standard
SMC Automatic Rc 1/2 400cm³/min Pneumatic Drain, 184 x 82 x 82mm
  • RS Stock No. 234-1993
  • Brand SMC
  • Mfr. Part No. AD402-04
SMC 17 AD Automatic Rc 1/2 Rc 1/2 400cm³/min 184 x 82 x 82mm - +5°C 184mm 1.5bar - - 9.9 bar 82mm 82mm +60°C Rc
Auto Drain; 10mm, AF40/AF40-06/AF50/AF60 SMC 16 AD Automatic - - 45cm³ - - -5°C - - - - 1 MPa - - +60°C -
SMC Automatic Pneumatic Drain 1/4
  • RS Stock No. 210-238
  • Brand SMC
  • Mfr. Part No. EAD202-F02
SMC 13 EAD202 Automatic - - - - 1/4 - 154mm 1.5bar - 1/4 9.9 bar - - - -
Auto Drain Assembly for AF30 Filter Unit SMC 12 AD Automatic - - 25cm³ - - -5°C - 0.15MPa - - 1 MPa - - +60°C -
SMC Automatic G 3/4 400cm³/min Pneumatic Drain, 183 x 112 x 112mm
  • RS Stock No. 234-2003
  • Brand SMC
  • Mfr. Part No. AD600-06
SMC 9 AD Automatic G 3/4 G 3/4 400cm³/min 183 x 112 x 112mm - +5°C 183mm 3bar - - 9.9 bar 112mm 112mm +60°C G
Parker Automatic G 1/2 114ml Pneumatic Drain, 135 x 54 x 54mm Parker 8 D Automatic G 1/2 G 1/2 114ml 135 x 54 x 54mm - +5°C 135mm 2bar - - 12 bar 54mm 54mm +60°C G
Auto Drain for AF30, AFD30, AFM30 series SMC 7 AD Automatic - - 25cm³ - - -5°C - - - - 1 MPa - - +60°C -
Auto Drain; 3/8-in, AF Series Filters
  • RS Stock No. 827-2354
  • Brand SMC
  • Mfr. Part No. AD48N-Z
SMC 6 AD Automatic - - 45cm³ - - -5°C - - - 3/8in 1 MPa - - +60°C -
IMI Norgren Automatic G 1/2 Pneumatic Drain, 170 x 59mm 1/2in IMI Norgren 4 17-816 Automatic G 1/2 G 1/8 - 170 x 59mm 1/2in -20°C 170mm - G 1/8in 16 bar 59mm - +80°C G
Float Type Auto Drain, Nylon Bowl, AF30 SMC 3 AD Automatic - - 25cm³ - - -5°C - - - 3/8in 1 MPa - - +60°C -
Float Type Autodrain N.C, w/Metal Bowl SMC 1 AD Automatic - - 8cm³ - - -5°C - 0.1MPa - - 1 MPa - - +60°C -
Heavy Duty Auto Drain, Mainline, 1/2"NPT
  • RS Stock No. 827-2036
  • Brand SMC
  • Mfr. Part No. ADH4000-N04
SMC 1 ADH Automatic - NPT 1/2 - - - +5°C - 0.05MPa NPT 1/2in 1.6 MPa - - +60°C -
Festo G 1/4 Pneumatic Drain, 18.2 Dia. x 32.1mm 6.35mm Festo 0 GRE - G 1/4 - - 18.2 Dia. x 32.1mm 6.35mm -10°C - 0bar - - 10 bar - - +70°C G
Festo G 1/8 Pneumatic Drain, 15 Dia. x 27.1mm 3.175mm Festo 0 GRE - G 1/8 - - 15 Dia. x 27.1mm 3.175mm -10°C - 0bar - - 10 bar - - +70°C G
Festo G 1/8 Pneumatic Drain, 68 x 37.5 x 40.5mm 3.175mm Festo 0 SVS - G 1/8 G 1/8 - 68 x 37.5 x 40.5mm 3.175mm -10°C 68mm 2.8bar G - 8 bar 37.5mm 40.5mm +60°C G
Float Type Auto Drain, Bowl w/ Guard
  • RS Stock No. 827-2124
  • Brand SMC
  • Mfr. Part No. AD27-CZ
SMC 0 AD Automatic - - 8cm³ - - -5°C - 0.1MPa - - 1 MPa - - +60°C -
SMC Auto Rc 1 Pneumatic Drain, 112 (Dia.) x 183mm
  • RS Stock No. 750-7716
  • Brand SMC
  • Mfr. Part No. AD600-10
SMC 0 (N)AD Auto Rc 1 Rc 3/4 - 112 (Dia.) x 183mm - - 183mm 3bar - - 1.5 (Proof) MPa, 9.9 (Operating) bar 112 (Dia.)mm - - Rc
SMC Auto Rc 1/4 Pneumatic Drain, 82 (Dia.) x 184mm
  • RS Stock No. 750-7703
  • Brand SMC
  • Mfr. Part No. AD402-02
SMC 0 (N)AD Auto Rc 1/4 Rc 3/8 - 82 (Dia.) x 184mm - - 184mm 1.5bar - - 1.5 (Proof) MPa, 9.9 (Operating) bar 82 (Dia.)mm - - Rc
SMC Automatic 45cm³ Pneumatic Drain SMC 0 AD Automatic - - 45cm³ - - -5°C - - - - 1 MPa - - +60°C -
SMC Automatic Rc 1/2 400cm³/min Pneumatic Drain, 189 x 100 x 108mm
  • RS Stock No. 290-3585
  • Brand SMC
  • Mfr. Part No. ADH4000-04
SMC 0 ADH4000 Automatic Rc 1/2 Rc 1/2 400cm³/min 189 x 100 x 108mm - +5°C 189mm 0.05MPa - - 1.6 MPa 100mm 108mm +60°C Rc
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