Air Release Valves

The latest series of R & D Multiple’s Combination type : (Air Vacuum + Air Release Valves) amalgamates exotic features with excellent workmanship to make them the unique solution for any challenging application. Be it the filling / draining of the pipeline, on-line (under flow & pressure) air release, or the anti-vacuum function at the time of pump tripping, the ‘R & D Multiple's Bi-Stream Air Release Valve’' is the ultimate & most reliable solution.

• Very efficient air release/ inlet mechanisms.
• Specially designed tamperproof cover allowing free, all-round (360 Degrees) air movement.
• Stainless Steel Float & Cage design allowing precision, long guides to the Float all through-out the travel ensuring perfectly centred float always.
• Aero-Dynamically designed large flow passages.
• Combination of Air-Vacuum & Air Release functions.
• Sturdy & Robust construction.
• Float not subjected to differential pressure & hence chances of sticking/ necking are precluded.
• Choice of shell MOC : CI / SGI / CS / SS / D2 to suit applications.
• All internal active working parts: Stainless Steel.
• PN10 / 16 /25 Pressure Ratings. (Enquire for Others).
• Complies with the requirements of IS 14845 & AWWA- C512.

• Efficient Aero-dynamic flow passages.
• One Piece Tamper-proof Cover.
• Straight through air release opening of large size.
• Guaranteed long life resilient seats.   
• Floats of optimum specific gravity ensuring quick response to level changes.
• Aerodynamic performance tested & proven at FCRI.
• Many, many successful, prestigious installations.