Sandwich Valve (MKI, MKII & MKIII)

NEW! NOW AVAILBLE WITH AN 80mm CLEAR BORE

The Identified Uses

• Fitted under a Fire Hydrant or Air Valve to facilitate cleaning, changing and removal underpressure, without shutdown. This minimises disruption and potential contamination
• Normally open ’in line’ shut off valve
• Underpressure drilling (holesaw up to 67mm diameter) through any Underpressure Tee having DN80 flanged outlet
• As an access point into the main for insertion of:
  • Leak Detection Equipment
  • Hydraphone
  • Fibrescope / CCTV
  • Probe Insertion Point
  • Flow Meter
  • Chlorination Point, etc

The Benefits

• Can be installed in a variety of situations in order to minimise future shutdowns
• Simple and quick to install
• Excellent for use in tight access trenches where other services may be causing an obstruction
• Face to face dimension of only 36mm compared to 203mm for a traditional
• BS:5163 R.S. Gate Valve
• Requires minimal excavation when used in conjunction with an Underpressure Tee and Drilling Machine
• Due to competitive pricing, more valves can be afforded within the network, giving greater flexibility and better control

Application / Specification

• All materials and coatings are WRAS approved