Copyright 2020 - EVS - Express Valve Services Limited

HYDROSTATIC DRAW OFF VALVES

Hydrostatic draw off valve

Express Valve Services Ltd provide a long established and proven range of high quality cast iron and fabricated Hydrostatic Draw Off valves designed for regulating the flow to filter beds and desludging humus tanks in materials for Water and Sewage applications.

 

Utilizing our in house design and production facilities, Express Valve Services Ltd provide the comprehensive package of flow control solutions to service quality, cost and availability.

 

EVS Hydrostatic Draw Off valves are available for pipework sizes of 100mm – 600mm dia (larger upon request) and suitable for flow in either direction. Valves are designed to cater for variable site specific Range of Adjustment (travel) operating levels. Valves can be provided in both manual and electrical operation. 

 

Design Features

Materials Available  
   
Lower Fixed Cylinder

Cast iron, stainless steel (304 & 316), coated mild steel

   
Moving Cyliners

PVC, HDPE, Stainless steel (304 & 316) 

   
Inlet pipework

100 – 600mm dia drilled BS4504

PN16/PN10 (% holes)

Imperial BST “D/E” drillings upon request

   
Lift Operation Direct and Side Lift
   
Stem  

Rising/Non rising stem for manual or electrical operation, at top of headstock for fitment to client steelwork

   
Range of Adjustment/Travel 

Variable – 300mm – 1000mm travel

(longer upon application)

 

 

Coatings  

Cast iron – Black bitumen

WIMES – Sewage or Water specifications

   
Downloads PDF AvailableCast Iron hydrostatic draw-off valve
EVS 85
   
   
   
   

 

 

  

 

  

 

 

 

  

 

 

 

 

 

 

 

 

 

 

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