RGQ Series Gas Shut-off Valve
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Overview
RGQ Series Gas Shut-off Valve is a gas safety device in gas transmission and distribution systems, suitable for safety protection of high-medium pressure and medium-low pressure gas pipe networks.
Product Features
High shut-off accuracy, fast response speed, internal bypass design for easy opening; capable of overpressure / under-pressure shut-off with tight sealing.
Automatic shut-off by medium self-pressure or manual shut-off available; remote control, monitoring and alarm functions are optional.
Easy operation, convenient on-line maintenance, compact structure and simple installation.
Corrosion-resistant materials can be selected when the medium contains corrosive substances such as sulfur and benzene.
Applicable for city gate stations, regional regulator stations, as well as various industrial and civil users.
Main Technical Parameters
Shut-off Pressure Range: 0.0045–4.5 MPa (divided into 4 grades)
Actuation Accuracy: ±1%
Operating Temperature: -20℃–60℃
Response Time: ≤ 1 s
Nominal Pressure: PN16, PN25, PN40, PN63
Nominal Diameter: DN25, DN50, DN80, DN100, DN150, DN250
Main Structural and Installation Dimensions (mm)
| Model | L | Hmax | H1 | Bore (DN) |
|---|---|---|---|---|
| RQZ/25/◆F-RGQ | 197 | 395 | 298 | DN25 |
| RQZ/50/◆F-RGQ | 267 | 445 | 322 | DN50 |
| RQZ/80/◆F-RGQ | 298 | 468 | 327 | DN80 |
| RQZ/100/◆F-RGQ | 353 | 537 | 363 | DN100 |
| RQZ/150/◆F-RGQ | 451 | 610 | 395 | DN150 |
| RQZ/250/◆F-RGQ | 674 | 900 | 610 | DN250 |