type | Actuator | Diameter number (dn) | 0seat | Pressure number (pn) | Flange type | material |
R178 | MS | 20 | 20 | 100 | FF | CU AL |
Globe valve for oxygen pipelines - R178
R178 is a globe valve with body, bonnet and most of the internal ports 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, oxidizing gases and can be actuated by a manual handwheel or 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
- Large range of flanges diameter and 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 0100 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 to DN100 |
| 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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