Description
WLDE & WLDES Series – Float Type Liquid Drainers (High Capacity)
The WLDE & WLDES Series High-Capacity Float Type Liquid Drainers are engineered to meet the high flow requirements commonly found in heavy industrial process applications for air and other gases. These units feature a float-operated design that ensures immediate and continuous liquid discharge from the trap while maintaining modulating flow characteristics.
Product Overview
The WLDE (Ductile Iron) and WLDES (Cast Steel) models provide robust construction, stainless-steel internal components, and high-capacity draining performance. Designed for reliability and long service life, these liquid drainers are ideal for demanding industrial environments requiring dependable condensate or liquid removal.
Material Specification
- Body – WLDE: Ductile Iron
- Body – WLDES: Cast Steel
- Internals: Stainless Steel
Technical Specification — WLDE
- Sizes (in.): 1½, 2, 2½
- Connection: Threaded, NPT
- Maximum Operating Pressure: 200 PSIG
Technical Specification — WLDES
- Sizes (in.): 2½
- Connection: Threaded (NPT), Socket Weld (SW), or Flanged (FLG)*
- Maximum Operating Pressure: 300 PSIG
- *Flanged connections are available for WLDES models only.
Applications
These float type liquid drainers are ideal for:
- High-capacity condensate or liquid removal from air systems
- Industrial gas and process lines
- Heavy-duty process applications requiring uninterrupted liquid discharge
- Systems requiring float-operated, modulating liquid drainage
Available Models & Ratings
The following tables list available WLDE and WLDES models along with pressure ratings, prices, and weights.
WLDE – Ductile Iron
| Size/Connection | Model Code | PMO (PSIG) | Weight (lbs) |
|---|---|---|---|
| 2" NPT | WLDE-20-17-N | 20 | 150 |
| 2" NPT | WLDE-20-50-N | 50 | 150 |
| 2" NPT | WLDE-20-125-N | 125 | 150 |
| 2½" NPT | WLDE-25-18-N | 50 | 150 |
| 2½" NPT | WLDE-25-125-N | 125 | 150 |
| 1½" NPT | WLDE-20-15-N | 200 | 150 |
| 2" NPT | WLDE-20-18-N | 200 | 150 |
| 2½" NPT | WLDE-20-18-N | 200 | 150 |
WLDES – Cast Steel
| Size/Connection | Model Code | PMO (PSIG) | Weight (lbs) |
|---|---|---|---|
| 2" NPT | WLDES-050-18-N | 50 | 150 |
| 2½" NPT | WLDES-125-18-N | 125 | 150 |
| 2½" NPT | WLDES-200-18-N | 200 | 150 |
| 2" SW | WLDES-050-18-SW | 50 | 150 |
| 2" SW | WLDES-125-18-SW | 125 | 150 |
| 2" SW | WLDES-200-18-SW | 200 | 150 |
| 2½" SW | WLDES-300-18-SW | 300 | 150 |
Cross Reference
Equivalent to Spirax Sarco FAB Series.

