CONTACT US 1300 VIADUX (842 389)
  1. Home
  2. Products
  3. Valves
  4. Air Valves
  5. Vs 4 Combination Air Release Valve

VS-4 Combination Air Release Valve

VS-4 Combination Air Valves are ideal for sewage, potable water and non-solid contaminated water mains. Manufactured from grade 316 stainless steel and fully pickled, VS-4 Air Valves are CE certified with all parts rated food safe. Extended periods of time between maintenance ensures costs are reduced and protected against the rigors of wastewater transfer.

VS-4 SMARTVALVE Combination Air Release Valve

FEATURES

  • Rated PN16
  • Built in anti-slam and anti-hammer technology
  • Includes screen to prevent fish, frogs, eels, etc. from entering valve chamber
  • On vacuum type mains, a one-way valve can be fitted
  • Second or third valve chamber can be attached to primary chamber on request
  • Compared to single chamber valves, VS-4 service interval can be extended by up to 10 times
  • Full service can be completed from above and on site, no heavy lifting in and out of pits
  • Sealed primary chamber cannot lose air charge, maintaining anti-hammer properties and protecting the mains
  • Tubular screen in primary chamber prevents rubbish from entering secondary chamber
  • Spin on or flanged to suit requirements

AT A GLANCE

VS-4 Combination Air Valves include 2kg positive buoyancy on flat seats to seal at atmospheric pressure, rating at 18 bar. Water and air flows are horizontal to the float base to prevent premature closing. Base flange is DN100 table D with adaptor plates, other base flanges can be requested. The Standard orifice is 1160mm² and a super high flow model is available to order with a 2826mm² orifice.

SPECIFICATIONS

  • The VS-4 SMARTVALVE is constructed using 316 stainless steel and fully pickled.
  • A full service can be done from above, on-site, in 5-10 minutes. No heavy lifting in and out of pits.
  • The primary chamber is sealed and cannot lose its air charge thus maintaining anti-hammer properties continuously helping to protect the mains.
  • The tubular screen in the primary chamber prevents rubbish entering the secondary chamber thus protecting the valve assembly.
  • The 2kg (4.4lbs) positive buoyancy of the float seats the seals at atmospheric pressure. Rated at 18 bar.
  • On vacuum type mains a one-way-only valve can be fitted.
  • To double or treble air flows the VS-4 SMARTVALVE can be ordered with a second or third valve chamber attached to the primary chamber.
  • The base flange is a table D 4 inch with adaptor plates for all other sizes. Special base flanges can be ordered to suit customer requirements.
  • When compared to single chamber valves the VS-4 SMARTVALVE service interval can be extended by up to ten times.

DOWNLOAD TECHNICAL SHEETS

ENQUIRE NOW