Características
Función y descripción
Pressure or Vacuum Relief Valve in Corner Design Made of Plastic
The PROTEGO® In-Line Valve R/KSM is a state-of-the-art Pressure or Vacuum Relief Valve in a right angle design made out of high-grade synthetic material. Typically, the valve is installed in the in-breathing or out-breathing lines of tanks, vessels, and process equipment to protect against unallowable overpressure or underpressure. The valve prevents emission losses almost up to the set pressure and prevents unacceptable product entry. The valve is a perfect solution for corrosive, polymerizing, or sticky substances.
Full Lift Technology
The device will start to open as soon as the set pressure is reached and only requires 10% overpressure to full lift. Continuous investments in and a commitment to research and development have allowed PROTEGO® to develop a low pressure valve which has the same opening characteristic as a high pressure safety relief valve. This “Full Lift Type” technology allows the valve to be set at just 10% below the maximum allowable working pressure or vacuum ( MAWP Maximal erlaubter Betriebsdruck (MAWP) Maximaler zulässiger Überdruck im oberen Bereich eines kompletten Behälters in normaler Betriebsstellung bei der genannten übereinstimmenden Temperatur, die für diesen Druck spezifiziert ist. or MAWV) of the tank and still safely vent the required mass flow. The opening characteristic for pressure and vacuum side is the same.
Advanced Manufacturing Technology
Due to our highly developed manufacturing technology, the tank pressure is maintained up to the set pressure with a tightness that is far above to the conventional standard. This feature is ensured by special valve seats made of high quality synthetic material or PTFE. After the overpressure is released or the vacuum is balanced, the valve re-seats and provides a tight seal. The optimized fluid dynamic design of the valve body and valve pallet is a result of many years of research, resulting in stable operation of the valve pallet, optimized performance, and reduced product losses.
Dimensiones
To select the nominal size (DN), please use the flow capacity chart on the following page
| DN | 50 / 2" | 80 / 3" | 100 / 4" | 150 / 6" | 200 / 8" |
| a | 200 / 7.87 | 245 / 9.65 | 300 / 11.81 | 370 / 14.57 | 625 / 24.61 (650 / 25.59)* |
| b | 376 / 14.80 | 521 / 20.51 | 563 / 22.17 (523 / 20.59)* | 687 / 27.05 (651 / 25.63)* | 914 / 35.98 (912 / 35.91)* |
| c | 150 / 5.91 | 200 / 7.87 | 225 / 8.86 | 280 / 11.02 | 350 / 13.78 |
| d | 180 / 7.09 | 250 / 9.84 | 300 / 11.81 | 350 / 13.78 (405 / 15.94)* | 560 / 22.05 (500 / 19.68)* |
Dimensiones en mm / pulgadas
* Dimensions in brackets only for PVDF
Selección de materiales para la vivienda
| Design | A | B | C |
| Housing | PE | PP | PVDF |
| Valve seat | PE | PP | PVDF |
| Gasket | FPM | FPM | FPM |
| Valve pallet | A, C, D | B, C, D | C, D |
Special materials upon request
Material selection for valve pallet
| Design | A | B | C | D |
| Pressure range [mbar] [inch W.C.] | ±6,0 up to ±16 ±2.4 up to ±6.4 | ±5,5 up to ±16 ±2.2 up to ±6.4 | ±9,5 up to ±30 ±3.8 up to ±12 | ±30 up to ±100 ±12 up to ±40 |
| Valve pallet | PE | PP | PVDF | Hastelloy |
| Sealing | PTFE | PTFE | PTFE | PTFE |
| Spindle guide | PE | PP | PVDF | Hastelloy |
Special materials and devices with higher set pressure or vacuum are available upon request
Tipo de bridas de conexión
| EN 1092-1; Form B1 |
| ASME B16.5 CL 150 F.F. |
other connections upon request
Modelo y especificación
The valve pallet is weight loaded. Highest set pressure range can be reached with metal valve pallets.Additional special devices available upon request
Within piping systems the influence of backpressure has to be considered in deciding the set pressure and opening characteristics.
Settings
| Pressure or vacuum settings: | ±6.0 mbar | ±100 mbar |
| ±2.4 inch W.C. | ±40 inch W.C. | |
| ±4.0 mbar | ±100 mbar | |
| ±1.6 inch W.C. | ±40 inch W.C. | |
| ±4.5 mbar | ±100 mbar | |
| ±1.8 inch W.C. | ±40 inch W.C. |
Diagrama de flujo volumétrico
Los diagramas de flujo volumétrico han sido determinados con un banco de pruebas de caudal calibrado y certifi - cado por TÜV. El flujo volumétrico V. en [m³/h] y el CFH se refi eren a las condiciones estándar de referencia de aire según ISO 6358 (20°C, 1bar). La conversión a otras densidades y temperaturas están referidas en el Vol. 1: “Fundamentos Técnicos”.
