Single chamber tamper proof air valve

STANDARD SPECIFICATION

Size Range

40mm to 200mm

Mfg/ Design Std.

AWWA C 512

IS 14846 & BS 5163 for Isolating Sluice Valve

Type of valve

Single Chamber triple function tamper proof design

Pressure Rating

PN 1.0 / PN 1.6

Flanged End

IS: 1538 (Tab – 4 &6), On Request – BS/ ANSI

Body & Other C.I Parts

C.I to IS: 210 Gr. FG-200/260 or BS 1452 or ASTM A126

Float

S.S. to  AISI -304/316

Large Orifice Seat

Nitrile/EPDM rubber with bronze impregnation

Small Orifice  Vent

S.S. AISI – 304 with rolling seal mechanism

Gasket

EPDM / Natural Rubber

Trim matl. of S/Valve

L.T.B./S.S./Brass

Actuation

Isolating valve operate by Cap/Hand Wheel

Additional Accessories

Barnch Pipe/ Clusture arrgt. For higher main

Important Information

• Air  valve suitable for operation when charging, under pressure & while emptying
• Install Double air valve every 1500 feet on low gradient long pipe line
• The air valve size can be selected 1/5 of the diameter of the main pipe

Special Features

• Compact and light weight design requires less space
• Tamper proof design air vent
• To protect from pipe collapse while scoring/pump shut down
• Higher sizes are on – request
• Eliminates water wastage
• Available in Cast steel & Ductile Iron