WILDEN - Air Operated Diaphragm Pump Skid Package

Typical Application


Above Air Operated Diaphragm Pump Skid is a unit designed for the transfer of Methanol and driven by Nitrogen Air. However such similar design can be use for different fluid transfers and powered pneumatically using utility air. 

The skid contains a 3" Stainless Steel Wilden pump that is Atex certified with a max capacity of 992 lpm . Suction and Discharge dampeners are installed to reduce pulsation and thus prolong the life of piping and the pump. Optional leak containment provision is done by Blacoh's SPILLSTOP™ which makes this package 100% pneumatically driven. 

Speak to us about on your customisation requirements for such skids. 

Project Reference

Winston has supplied similar skids to companies such as Exxon Mobil, Shell Brunei, Foster wheeler, Sembahwang Shipyard, Amgen, Synthomer, Evonik and and many others.

Technical Specifications

Maximum Flow Rate w/ 1 Pumps

Max flowrate :992LPM

Maximum Working Pressure

8.6 barg

Maximum Air Consumption 


Maximum Working Temperature


Inlet & Outlet

3" ANSI 150# Rf flange

Pneumatic Pump



3/4" NPT

Material Pumps and Valves

SS316 , center section/air valve : aluminium , diaphragm: PTFE with wilflex back-up , valve ball: PTFE , valve seat: SS316 , valve seat o-ring : PTFE

Standard Instruments

A36  skid with painting , standard instrument is Air filter regulator. Photo shown is with suction and discharge dampener and Blacoh SPILLSTOP™ leak containment.

Weight and Dimensions

skid dimension: 1580mm(L) x 1113mm(w) x ~1685mm (H) total weight: 360kg 

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