DAB Valves - Valve Selection Guide

A Guide to Valve Selection

Here are a number of aspects which may directly or indirectly influence the choice of valve for your application.  The more you can identify the better the chance of getting the optimum solution. Please phone 01335 390572 and we'll be happy to discuss your needs in detail.

What material is being handled:
  • Name
  • Size
  • Condition (powder, granules)
  • Wet/dry (is wash down used?)
  • Temperature
  • Pressure
  • Acid/Alkali/corrosive
  • Abrasive
  • Sticky/free flowing
  • Smears(plastics)

Whatís the purpose of the valves:
  • Maintenance shut-off
  • Process shut-off
  • Flow direction
  • Flow Control
Whatís above it:
  • Small hopper(200kg)
  • Silo (3000 tonnes)
  • Conveyor Outlet
  • Mixer
  • Feeder
Operating Details:
  • Frequency of operation
  • Trickle feed required?
  • Operate against a static/moving head

Whatís below it:
  • Gravity drop
  • Bagging unit
  • Weigh hopper
  • Screw conveyor
Method of Operation:
  • Manual (push/pull)
  • handwheel
  • chainwheel
  • Pneumatic
  • Electro-pneumatic
  • Hydraulic
  • Motorised
Whatís the Environment:
  • indoors/outdoors
  • Ambient Conditions
  • Mine, quarry, factory, food processing
Physical Restraints and Services:
  • New or existing
  • can existing connections be modified
  • Are mating flanges specified
  • What size valve is required
  • Are there height or length restrictions
  • is position indication required
  • Is remote control required
  • what is control voltage
  • is the air supply clean and dry/lubricated
  • what pressure is available
Materials of Valve Construction:
  • Mild steel
  • Stainless steel Ė 304/306
  • Aluminium
  • Plastic/Other

DAB Valves Limited, Registered in England and Wales No 3671911.

Registered Office: White Meadow Farm, Parwich, Ashbourne, Derbyshire, DE6 1QY. VAT No 716496903.