type | Actuator | Diameter number (dn) | 0seat | Pressure number (pn) | Flange type | material |
R374 | MS | 20 | 20 | 100 | FF | CU AL |
Globe valve for oxygen pipelines - R374
R374 is a globe valve with body, bonnet and most of the internal parts made of copper aluminum. It is particularly suited for pressure equalization across on isolation gate valve. Used as bleed, shut off or line valves for consignment of secondary by-pass systems. The valve is designed for combustive gases, pure gases and oxidizing gases and can be actuated by a manual handwheel a pneumatic actuator.
Key advantages
- One direction shown by an arrow
- Leakage class IV-1
- Pressure up to 100 bar
- Oil free standard
- Minimum pressure losses under medium pressure
- Small diameter of flange of seat
Specifications
| Operating press. range (ps) | 0 to 100 bar |
| Operating temp. range (ts) | -20 to +60 °c |
| Direction of flow | One direction as shown by the arrow on the valve body |
| Installation | All positions |
| Lackage class | Taux A (acc. to EN 12266-1) or IV-1 (acc. to DIN3230 STD) |
| Seat diameter | 020 to 032 Mm |
| Material (envelope) | Copper-Aluminium (CuAl) |
| Material (o-ring) | FPM |
| Material (seat/guiding) | PCTFE |
| Electrical conductivity | Copper braid between shutter and body |
| Production tests | Individual tests (hydraulic at 150 bars leaktightness at 110 bars) |
| Manual actuation | Handwheel |
| Pneumatic actuation | Double acting or single acting actuator (autopneumatic) |
| Dimensions | DN20 (see comment) to DN32 |
| Face and finish | RF (Raised Face), FF (Flat Face), Ring Type Joint (RTJ) Other on demand |
Dimensional drawings
Product Configurator
Downloadable catalogs, brochures
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