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W-20 WASP Primary Fuel Filter

 

A primary fuel filter/water separator providing protection from water and particulate commonly found in diesel fuel. Offering a cost effective range of primary filtration equipment for Marine, Industrial and Transport applications.

SUITABLE FORSUITABLE FOR

Diesel and heating oil

FUEL PROTECTIONFUEL PROTECTION

Ideal for Marine, Industrial and Transport applications.

FUEL FLOW OPTIONSFUEL FLOW OPTIONS

up to 150 lit/hr

FILTERING OPTIONSFILTERING OPTIONS

Available in 20, 150 micron

 

  • 20 and 150 micron cleaning
  • 3/8'' BSP connection
  • Plastic (clear), metal or plastic with metal heat shield bowls available.
  • 120 - 150 litres per hour flow rate
  • Lightweight and compact
  • Choice of separators- paper elements or long life stainless steel
  • LM6 grade aluminium filter heads with reversible stainless steel bracket & bolts
  • Powder coated aluminium filter heads for corrosion prevention & long service life
  • RINA (ISO10088) option available

 

How does it work?

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 filter element to remove particulate.

 

 

W-20 range Filtration (micron) Port size Details
W-20ST 20 micron paper 3/8" Clear bowl
W-20STM 20 micron paper 3/8" Metal bowl
W-25ST 150 micron stainless steel 3/8" Clear bowl
W-25STM 150 micron stainless steel 3/8" Metal bowl
W-NAPFG-17T 150 micron stainless steel 3/8" "Rina" spec clear bowl with metal heat shield (ISO10088)
W-NAPFG-17T-P 20 micron paper 3/8" "Rina"   spec clear bowl with metal heat shield (ISO10088)

Add-on / Spare Details
W-2301 Replacement seal kit
W-2302 Replacement 20 micron paper element and seal kit
Replacement 150 micron stainless steel element only

For more technical information, please see the Technical Details tab.

 Model
Flow (L/h)
Port Size
Element
Size
Weight
 W-20F
150
3/8'' BSP
Paper
100 x 100 x 200mm
0.54kg
 W-20FM
150
3/8'' BSP
Paper
100 x 100 x 200mm
0.8kg
 W-25ST
150
3/8'' BSP
Steel
100 x 100 x 200mm
0.54kg
 W-25STM
150
3/8'' BSP
Steel
100 x 100 x 200mm
0.8kg
W-NAPFG-17T
150
3/8" BSP
Steel
100 x 100 x 200mm
1.11kg
W-NAPFG-17T-P
150
3/8" BSP
Paper
100 x 100 x 200mm
1.00kg

Paper filter elements are 20 micron, Steel filter elements are 150 micron stainless steel. 

Water separation efficiency all models greater than 97%

Bowl capacities:

  • W-20 & 25 Series with cone fitted - 100ml
  • W-20 & 25 Series with element fitted - 75ml

Installation

A full range of fittings is available for easy 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.

Servicing

  • 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
  • Replace seals and paper elements as required, see above spares

 

 

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