I.T.O Corporation
ITO IHB-20A Overpressure Protection Governor

Manufacturer: I.T.O Corporation
Model: IHB-20A
- IHB-20A reduces Low Pressure city gas natural gas, which rises by the difference of elevation, to an appropriate level declared in the contract that supply pressure is less than 2.50 kPa for domestic meters in Japan.
- It is installed at each door at higher elevation in high-rise buildings such as multistory apartment building.
Specifications
Model | IHB-20A | IHB-20A-R |
---|---|---|
Maximum Flow Rate(Nm³/h) | 9.5 | |
Inlet Pressure(kPa) | 1.70~5.00 | |
Outlet Pressure(kPa) | 1.90±0.40 | |
Lockup Pressure(kPa) | ≤2.50 | |
Connection | Rc 3/4 | |
Mounting Position (Direction of the Gas Flow) | Vertical (Outlet down) / Horizontal | Vertical (Inlet down) / Horizontal |
Overpressure Protection Governor
The specific gravity of city gas natural gas is lighter than air so the pressure will rise to supply city gas natural gas to higher floors in high-rise buildings. IHB-20A reduces the pressure to an appropriate level.
Flow Rate |
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