Description
WLD1800 & WLD1800R Series – Guided Float Type Liquid Drainers
The WLD1800 & WLD1800R Series Guided Float Type Liquid Drainers are used in industrial and gas applications for drainage of liquid from systems. These liquid drainers have a float-operated valve that gives the trap a modulating flow characteristic. Available in a Repairable and a Non-Repairable version.
Material Specification
- Body: Stainless Steel
- Internals: Stainless Steel
Technical Specification
- Sizes (in.): 3/4 x 1/2, 3/4 x 3/4, 1/2 x 1/2
- Connection: Threaded, NPT
- Max Operating Pressure: 400 PSIG
WLD1800 – Non-Repairable
Cross Reference: Armstrong 11-LD Series
.078" Orifice
- 3/4" x 1/2" – Model WLD1811-N – 400 PSIG – Weight: 4 lbs
- 3/4" x 3/4" – Model WLD1812-N – 400 PSIG – Weight: 4 lbs
- 1/2" x 1/2" – Model WLD1813-N – 400 PSIG – Weight: 4 lbs
.101" Orifice
- 3/4" x 1/2" – Model WLD1821-N – 255 PSIG – Weight: 4 lbs
- 3/4" x 3/4" – Model WLD1822-N – 255 PSIG – Weight: 4 lbs
- 1/2" x 1/2" – Model WLD1823-N – 255 PSIG – Weight: 4 lbs
.125" Orifice
- 3/4" x 1/2" – Model WLD1831-N – 175 PSIG – Weight: 4 lbs
- 3/4" x 3/4" – Model WLD1832-N – 175 PSIG – Weight: 4 lbs
- 1/2" x 1/2" – Model WLD1833-N – 175 PSIG – Weight: 4 lbs
WLD1800R – Repairable
Cross Reference: Armstrong 32-LD Series
.078" Orifice
- 3/4" x 1/2" – Model WLD1811R-N – 400 PSIG – Weight: 5 lbs
- 3/4" x 3/4" – Model WLD1812R-N – 400 PSIG – Weight: 5 lbs
- 1/2" x 1/2" – Model WLD1813R-N – 400 PSIG – Weight: 5 lbs
.101" Orifice
- 3/4" x 1/2" – Model WLD1821R-N – 255 PSIG – Weight: 5 lbs
- 3/4" x 3/4" – Model WLD1822R-N – 255 PSIG – Weight: 5 lbs
- 1/2" x 1/2" – Model WLD1823R-N – 255 PSIG – Weight: 5 lbs
.125" Orifice
- 3/4" x 1/2" – Model WLD1831R-N – 175 PSIG – Weight: 5 lbs
- 3/4" x 3/4" – Model WLD1832R-N – 175 PSIG – Weight: 5 lbs
- 1/2" x 1/2" – Model WLD1833R-N – 175 PSIG – Weight: 5 lbs
Specifications, pricing, and configurations are based on manufacturer-provided technical documentation.

