WASP W-15 Range
A newly designed primary fuel filter/water separator providing protection from damaging water and particulate commonly found in diesel fuel.
Description
The new 4 port high performance WASP W-15ST series is compact and simple to install.
Fuel flow is up to 150 litres per hour together with a water separation efficiency greater than 98% and a pressure drop of only 20 mbar offering minimal restriction to fuel flow.
Either transparent or metal bowl options are available and all models are fitted with a washable stainless steel element which means no replacement elements.
Installation is before the fuel lift pump ensuring full system protection with two port sizes available, ½'' x 20 UNF/SAE & M14 x 1.5.
The WASP W-15ST series has three stages of operation
1. Separation:
The incoming flow of fuel oil changes velocity and direction, reducing the possibility of further reduction of any water droplets present through impact.
2. Coalescence:
This takes place on and just below the flow dispersion member allowing the separated water to descend to the bottom of the filter bowl.
3. Filtration:
The fuel finally passes through the stainless steel filter element. This removes all particulate above 100 micron still suspended in the fuel after the separation process.
Features
- Aluminium die-cast filter head/ bracket for easy installation.
- Transparent (Trogamid® T5000) or aluminium bowl options.
- Pleated stainless steel washable element, surface area 50 cm2.
- Thumb screw plug to drain water and impurities from bowl.
- Ball valve to drain water and impurities from bowl (optional on transparent bowl models only).
Product Options
| W-15ST.85.01 | ½'' x 20 UNF connection, clear bowl, drain plug |
| W-15ST.85.01B | ½'' x 20 UNF connection, clear bowl, drain tap |
| W-15ST.85B | M14x1.5 connection, clear bowl, drain tap |
| W-15ST.85.MN | M14x1.5 connection, metal bowl, drain plug |
| W-15FS | (Not shown) ½'' x 20 UNF connection, clear bowl, drain plug. Water separation only with fuel cut off facility. |
W-15ST Specifications
| Maximum flow rate | 2.5 Lts/min (150 L/Hr) |
| Connections | 1/2''-20 UNF or M14x1,5 |
| Pressure tested to | 2 bar |
| Environment temperature range | -20°+120 °C |
| Filtering Degree | 100 micron |



Installation
- If necessary refit the two port plugs supplied with the filter. If they are not to be repositioned check they are correctly tightened.
- Follow the flow direction according to the arrows on each of the four ports.
- This range of filters should be installed on the suction side of the fuel supply system before the lift pump.
Maintenance
- Check regularly for separated water
- Drain off any separated water or impurities regularly via the thumb screw drain plug or valve
- Remove clean and re-fit the stainless steel element as necessary
