I.T.O Corporation
ITO HCV Range Manual-Reset OPSO

Manufacturer: I.T.O Corporation
Model: HCV Range
Incorporated: Strainer
- A manual-reset type OPSO, shuts off gas to avoid abnormal pressure increases at the regulator outlet in case of regulator failure.
- Reset by pushing a reset button.
- Activated by gas pressure loading to the diaphragm chamber.
Specifications
Model | HCV-20-M | HCV-25-M | HCV-50 | HCV-50-M | HCV-50-MA-L | HCV-50-MA-S |
---|---|---|---|---|---|---|
Pressure Range | 0.20~1.56 MPa | 0.06~0.99 MPa | ||||
Adjustable Operating Pressure Range | 0.08~0.30 MPa | 0.003~0.03 MPa *1 | 0.06~0.30 MPa | 0.30~0.85 MPa | ||
Air-Tightness Test Body | 1.80 MPa | 1.10 MPa | ||||
Air-Tightness Test Diaphragm | 0.33 MPa | 0.33 MPa | 0.33 MPa | 1.10 MPa | ||
Hydrostatic Test Body | 2.70 MPa | 1.50 MPa | ||||
Hydrostatic Test Diaphragm | 0.80 MPa | 0.45 MPa | 0.45 MPa | 1.50 MPa | ||
Connection | JIS 20K 20A Flange (RF) | JIS 20K 25A Flange (RF) | JIS 10K 50A Flange (FF) | |||
Impulse Line Connector | Rc 1/4 | |||||
Face-to-Face Dimension | 130 mm | 260 mm | 122 mm × 175 mm | 260 mm | ||
Working Temperature Range | -5~60℃ | -15~60℃ | ||||
Strainer Mesh Gauge | 60 Mesh | 100 Mesh | ||||
Mounting Position | Horizontal or Vertical *2 |
*1 Interchangeable springs are available.
*2 If the mounting position is known, please inform us when placing your order.
It is essential to change the direction of the cover to prevent rainwater ingress.
Interchangeable Spring Selection
No. | ① | ② | ③ | ④ | ⑤ | ⑥ |
---|---|---|---|---|---|---|
Set Point Range (kPa) | 6.80~8.00 | 8.00~13.0 | 12.0~21.0 | 21.0~30.0 | 28.0~40.0 | 3.00~5.00 |
shows the standard spring.