State Supply offers liquid drain traps from several different manufacturers, such as Armstrong and Spirax-Sarco. Liquid drain traps remove liquids from gases compressed air systems in industrial applications. The trap drains off the water while preventing the escape of compressed air. They are available in pressures from 75 to 150 psi and 1/4", 3/4", and 1" pipe sizes.

Find manufacturer-specific product information

Category Products

  • SKU: AN1334D
  • 2 in stock
  • Ships within 2 business days

Armstrong 1/2" 1LD cast iron liquid drain with a 170 psi maximum operating pressure.

Online Price: $184.32
Regular Price: $192.00

  • SKU: AN1334E
  • Ships within 2 business days

Armstrong 1/2" 1LD cast iron liquid drain with a 180 psi maximum operating pressure.

Online Price: $184.32
Regular Price: $192.00

  • SKU: AN1335
  • Ships within 2 business days

Armstrong 1/2" 1LD cast iron liquid drain with a 300 psi maximum operating pressure.

Online Price: $184.32
Regular Price: $192.00

  • SKU: AN1336
  • Ships within 2 business days

Armstrong 1/2" 2LD cast iron liquid drain with a 120 psi maximum operating pressure.

Online Price: $489.60
Regular Price: $510.00

  • SKU: AN1336A
  • Ships within 2 business days

Armstrong 1/2" 2LD cast iron liquid drain with a 230 psi maximum operating pressure.

Online Price: $489.60
Regular Price: $510.00

  • SKU: AN1336B
  • Ships within 7 business days

Armstrong 1/2" 2LD cast iron liquid drain with a 250 psi maximum operating pressure.

Online Price: $489.60
Regular Price: $510.00

  • SKU: AN1336F
  • Ships within 2 business days

Armstrong 3/4" 2LD cast iron liquid drain with a 125 psi maximum operating pressure.

Online Price: $489.60
Regular Price: $510.00

  • SKU: AN1336G
  • Ships within 2 business days

Armstrong 3/4" 2LD cast iron liquid drain with a 250 psi maximum operating pressure.

Online Price: $489.60
Regular Price: $510.00

  • SKU: AN1337
  • Ships within 2 business days

Armstrong 3/4" 3LD cast iron liquid drain with a 70 psi maximum operating pressure.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1337D
  • Ships within 2 business days

Armstrong 3/4" 3LD cast iron liquid drain with a 230 psi maximum operating pressure.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1337E
  • Ships within 2 business days

Armstrong 3/4" 3LD cast iron liquid drain with a 300 psi maximum operating pressure.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1337H
  • Ships within 2 business days

Armstrong 1" 3LD cast iron liquid drain with a 70 psi maximum operating pressure.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1337K
  • Ships within 10 business days

Armstrong 1" 3LD cast iron liquid drain with a 230 psi maximum operating pressure.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1337L
  • Ships within 10 business days

Armstrong 1" 3LD cast iron liquid drain with a 300 psi maximum operating pressure.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1338C
  • Ships within 10 business days

Armstrong 1-1/2" 6LD cast iron liquid drain with a 70 psi maximum operating pressure.

Online Price: $1,570.67
Regular Price: $1,710.00

  • SKU: AN1338H
  • Ships within 10 business days

Armstrong 1-1/2" 6LD cast iron liquid drain with a 250 psi maximum operating pressure.

Online Price: $1,570.67
Regular Price: $1,710.00

  • SKU: AN1338L
  • Ships within 2 business days

Armstrong 2" 6LD cast iron liquid drain with a 70 psi maximum operating pressure.

Online Price: $1,570.67
Regular Price: $1,710.00

  • SKU: AN1338N
  • Ships within 2 business days

Armstrong 2" 6LD cast iron liquid drain with a 130 psi maximum operating pressure.

Online Price: $1,570.67
Regular Price: $1,710.00

  • SKU: AN1338R
  • Ships within 2 business days

Armstrong 2" 6LD cast iron liquid drain with a 250 psi maximum operating pressure.

Online Price: $1,570.67
Regular Price: $1,710.00

  • SKU: AN1344
  • 5 in stock
  • Ships within 7 business days

Armstrong 3/4" 11LD stainless steel liquid drain with a 275 psi maximum operating pressure.

Online Price: $337.92
Regular Price: $352.00

  • SKU: AN1345
  • 3 in stock
  • Ships within 7 business days

Armstrong 3/4" 11LD stainless steel liquid drain with a 400 psi maximum operating pressure.

Online Price: $337.92
Regular Price: $352.00

  • SKU: AN1348
  • Ships within 2 business days

Armstrong 1" 13LD stainless steel liquid drain with a 100 psi maximum operating pressure.

Online Price: $1,678.23
Regular Price: $1,827.10

  • SKU: AN1348B
  • Ships within 2 business days

Armstrong 1" 13LD stainless steel liquid drain with a 200 psi maximum operating pressure.

Online Price: $1,678.23
Regular Price: $1,827.10

  • SKU: AN1348D
  • Ships within 2 business days

Armstrong 1" 13LD stainless steel liquid drain with a 500 psi maximum operating pressure.

Online Price: $1,678.23
Regular Price: $1,827.10

  • SKU: AN1355
  • Ships within 2 business days

Armstrong 3/4" 21LD cast iron liquid drain with a 150 psi maximum operating pressure.

Online Price: $287.04
Regular Price: $299.00

  • SKU: AO4710S
  • Ships within 2 business days

Armstrong replacement float for model 21LD liquid drain traps.

Online Price: $111.36
Regular Price: $116.00

  • SKU: AN1334A
  • Ships within 2 business days

Armstrong model 1LD cast iron, free-floating guided lever liquid drain trap with a 1/2" NPT connection an in-line horizontal piping configuration for service up to 121 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $184.32
Regular Price: $192.00

  • SKU: AN1334C
  • Ships within 2 business days

Armstrong model 1LD cast iron, free-floating guided lever liquid drain trap with a 1/2" NPT connection an in-line horizontal piping configuration for service up to 143 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $184.32
Regular Price: $192.00

  • SKU: AN1335A
  • Ships within 2 business days

Armstrong model 2LD cast iron, free-floating guided lever liquid drain trap with a 1/2" NPT connection an in-line horizontal piping configuration for service up to 22 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $489.60
Regular Price: $510.00

  • SKU: AN1335C
  • Ships within 2 business days

Armstrong model 2LD cast iron, free-floating guided lever liquid drain trap with a 1/2" NPT connection an in-line horizontal piping configuration for service up to 36 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $489.60
Regular Price: $510.00

  • SKU: AN1335E
  • Ships within 2 business days

Armstrong model 2LD cast iron, free-floating guided lever liquid drain trap with a 1/2" NPT connection an in-line horizontal piping configuration for service up to 79 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $489.60
Regular Price: $510.00

  • SKU: AN1336C
  • Ships within 2 business days

Armstrong model 2LD cast iron, free-floating guided lever liquid drain trap with a 3/4" NPT connection an in-line horizontal piping configuration for service up to 22 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $489.60
Regular Price: $510.00

  • SKU: AN1336D
  • Ships within 2 business days

Armstrong model 2LD cast iron, free-floating guided lever liquid drain trap with a 3/4" NPT connection an in-line horizontal piping configuration for service up to 36 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $489.60
Regular Price: $510.00

  • SKU: AN1336E
  • Ships within 2 business days

Armstrong model 2LD cast iron, free-floating guided lever liquid drain trap with a 3/4" NPT connection an in-line horizontal piping configuration for service up to 79 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $489.60
Regular Price: $510.00

  • SKU: AN1336H
  • Ships within 2 business days

Armstrong model 3LD cast iron, free-floating guided lever liquid drain trap with a 3/4" NPT connection an in-line horizontal piping configuration for service up to 33 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1336K
  • Ships within 2 business days

Armstrong model 3LD cast iron, free-floating guided lever liquid drain trap with a 3/4" NPT connection an in-line horizontal piping configuration for service up to 54 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1337A
  • Ships within 2 business days

Armstrong model 3LD cast iron, free-floating guided lever liquid drain trap with a 3/4" NPT connection an in-line horizontal piping configuration for service up to 107 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1337C
  • Ships within 2 business days

Armstrong model 3LD cast iron, free-floating guided lever liquid drain trap with a 3/4" NPT connection an in-line horizontal piping configuration for service up to 153 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1337F
  • Ships within 2 business days

Armstrong model 3LD cast iron, free-floating guided lever liquid drain trap with a 1" NPT connection an in-line horizontal piping configuration for service up to 33 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1337G
  • Ships within 2 business days

Armstrong model 3LD cast iron, free-floating guided lever liquid drain trap with a 1" NPT connection an in-line horizontal piping configuration for service up to 54 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1337I
  • Ships within 2 business days

Armstrong model 3LD cast iron, free-floating guided lever liquid drain trap with a 1" NPT connection an in-line horizontal piping configuration for service up to 107 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1337J
  • Ships within 10 business days

Armstrong model 3LD cast iron, free-floating guided lever liquid drain trap with a 1" NPT connection an in-line horizontal piping configuration for service up to 153 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $778.56
Regular Price: $811.00

  • SKU: AN1337M
  • Ships within 10 business days

Armstrong model 6LD cast iron, free-floating guided lever liquid drain trap with a 1-1/2" NPT connection an in-line horizontal piping configuration for service up to 32 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $1,570.67
Regular Price: $1,710.00

  • SKU: AN1338G
  • Ships within 10 business days

Armstrong model 6LD cast iron, free-floating guided lever liquid drain trap with a 1-1/2" NPT connection an in-line horizontal piping configuration for service up to 196 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $1,570.67
Regular Price: $1,710.00

  • SKU: AN1338K
  • Ships within 10 business days

Armstrong model 6LD cast iron, free-floating guided lever liquid drain trap with a 2" NPT connection an in-line horizontal piping configuration for service up to 32 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $1,570.67
Regular Price: $1,710.00

  • SKU: AN1338P
  • Ships within 2 business days

Armstrong model 6LD cast iron, free-floating guided lever liquid drain trap with a 2" NPT connection an in-line horizontal piping configuration for service up to 196 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $1,570.67
Regular Price: $1,710.00

  • SKU: AN1346
  • Ships within 2 business days

Armstrong model 22LD stainless steel, free-floating guided lever liquid drain trap with a 3/4" NPT connection a vertical piping configuration for service up to 137 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $799.68
Regular Price: $833.00

  • SKU: AN1346B
  • Ships within 2 business days

Armstrong model 22LD stainless steel, free-floating guided lever liquid drain trap with a 3/4" NPT connection a vertical piping configuration for service up to 299 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $799.68
Regular Price: $833.00

  • SKU: AN1346D
  • Ships within 2 business days

Armstrong model 22LD stainless steel, free-floating guided lever liquid drain trap with a 3/4" NPT connection a vertical piping configuration for service up to 533 psi. This trap features a guidepost to ensure a positive, leak-tight valve closing under all conditions.

Online Price: $799.68
Regular Price: $833.00

  • SKU: AN1354
  • Ships within 2 business days

Armstrong model 21LD cast iron, fixed lever liquid drain trap with a 1/2" NPT connection a vertical piping configuration for service up to 22 psi. This trap is ideal for use on drainage jobs where dirt and oil are not encountered. It employs a single lever with a fixed pivot.

Online Price: $287.04
Regular Price: $299.00

Page 1 of 2

Category Information