• Wide pressure range & long durability
  • Large capacity & compact design
  • Tight seal & easy maintenance
Application Water| Oil & compatible fluids (specific gravity of 0.8 or more)
Type Air Vent
Pressure 0.1 to 10 Bar
Temperature 0°C to 90°C
Connection BSPT (ISO 7.1)
Body Ductile cast iron
Valve Brass
Valve Seat Brass (NBR disc)
Float Stainless Steel

Ductile Iron Air Vent Valve

Size D C H Weight (kg)
15 1/2" 114 139 2.72
20 3/4" 114 139 2.72
25 1" 114 143 2.88
32 1 1/4" 114 143 2.88

All dimensions in mm unless shown otherwise. 

Ductile Iron Air Vent Valve

Number Name Material Grade QTY
1 Cover Ductile Cast Iron FCD450 1
2 Hanger Stainless Steel SUS304 1
3 Valve Guide Brass C3604 1
4 O Ring NBR NBR 1
5 O Ring NBR NBR 1
6 Valve Seat Brass & NBR C3604 & NBR 1
7 Valve Brass C3604 1
8 Valve Joint Brass C3604 1
9 Float Stainless Steel SUS304 1
10 Arm Stainless Steel SUS304 1
11 Pin Stainless Steel SUS304 1
12 Pin Stainless Steel SUS304 1
13 Set Screw Stainless Steel SUS304 1
14 O Ring NBR NBR 1
15 Body Ductile Cast Iron FCD450 1
16 Bolt Rolled Steel SS400 4
17 Name Plate Aluminium A1050 1

Size 1/2" to 1" BSPT
Body Ductile Iron
Pressure Range 0.1 to 10 BAR
Temperature 0 to 90°C

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Product History