Features
Tecnologia de 10%
para aumento mínimo de pressão até a abertura total
Drenagem de condensado
Dreno automático de condensado
Tanques API
a melhor tecnologia para tanques API
Uso em áreas com risco de explosão
Pode ser utilizado em áreas com risco de explosão
Estanqueidade extrema
Resulta nas menores perdas possíveis de produto e na redução do impacto ambiental
Manutenção ideal da pressão
Pressão de ajuste próxima à pressão de abertura para manutenção ideal da pressão no sistema
Capacidade de vazão
Capacidade de vazão otimizada
Disco da válvula guiado
O disco da válvula é guiado dentro do corpo, protegendo contra condições climáticas severas
Function and Description
Highly Developed Vacuum Relief Valve
The V/SV-XL Type PROTEGO® valve is a highly developed optimized
vacuum relief valve
Soupape de dépression
A vacuum relief valve is used to ventilate a part of the system and protects it from impermissible underpressure.
with excellent flow performance. It is primarily used as a
device
Appareil
A device is a pipe component that influences the media flow by opening, closing, or partially shutting off the flow channel or by dividing or mixing the media flow.
for relieving
vacuum
Dépression
Vacuum is the pressure in an enclosed space that is lower than the ambient pressure.
in tanks, containers and process engineering equipment. The valve offers reliable protection against vacuum, and prevents inbreathing of air close to the
set pressure
Pression de réponse
Set pressure is the gauge pressure at the device inlet at which the relief device is set to start opening under service conditions.
.
The device will start to open as soon as the set pressure is reached and only requires 10%
overpressure
Surpression
Overpressure refers to an increase in pressure in a system or vessel above the normal operating pressure.
to full
lift
Course
Lift is the actual travel of the valve pallet from the main valve out of the closed position.
. Continuous investments into 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.
10% Technology
This “Full Lift Type” technology allows the valve to be set just 10% below the maximum allowable working pressure of the tank and still safely vent the required mass flow.
Due to our highly developed manufacturing technology the
tank pressure
Pression de la cuve
Tank pressure is the pressure within a tank.
is maintained up to set pressure, with a tightness that is far superior to the conventional standard. This feature is achieved by valve seats made of high quality stainless steel and with precisely lapped valve pallets (1) or with an air cushion
seal
Joint
A seal prevents or limits unwanted transfer of product from one container to another. Seal is used as superordinate term for all types of sealing elements.
(2) in conjunction with high quality FEP
diaphragm
Membrane
A diaphragm is a thin layer of material, which has a large surface area.
. The valve pallets are also available with a PTFE seal to prevent the valve pallets from sticking when sticky products are used, and they enable the use of corrosive media. After the vacuum is relieved, the valve reseats and provides a tight seal again.
Flow-Optimized Valve Body for Maximum Efficiency
The optimized fluid dynamic design of the valve body and
valve pallet
Clapet
Valve pallet is the generic term for the assembly that rests on the valve seat.
is a result of many years of research work, which allow a stable operation of the valve pallet and optimized performance resulting in reduction of product losses.
Product Data
Tabela de dimensões
| DN | 300 / 12" |
| a | 946 / 37.24 |
| b | 649 / 25.55 |
Dimensões em mm
Dimensions of pressure and vacuum relief valves with heating jacket upon request
Seleção do material do corpo
| Design | A | B | C |
| Housing | Aluminium | Steel | Stainless Steel |
| Heating jacket (V/SV-XL-H-...) | – | Steel | Stainless Steel |
| Valve seat | Stainless Steel | Stainless Steel | Stainless Steel |
| Sealing | PTFE | PTFE | PTFE |
| Cover | Aluminium | Steel | Stainless Steel |
Option: Housing ECTFE-coated
Special materials upon request
Seleção do material do disco da válvula de vácuo
| Design | A | B | C |
| Pressure range [mbar] [inch W.C.] | -2.0 up to -3.0 -0.8 up to -1.2 | <-3.0 up to -9.0 <-1.2 up to -3.6 | <-9.0 up to -16 <-3.6 up to -6.4 |
| Valve pallet | Aluminium | Stainless Steel | Stainless Steel |
| Sealing | FEP | FEP | Metal to Metal |
Special material as well as higher vacuum upon request
Tipo de conexão flangeada
| EN 1092-1; Form B1 |
| ASME B16.5 CL 150 R.F. |
other types upon request
Diagrama de vazão
Este diagrama de vazão foi determinado em uma bancada de medição de vazão calibrada e certificada pela TÜV. A vazão V em m³/h se refere ao estado técnico padrão de ar, conforme ISO 6358 (20°C, 1bar). Para conversão em outras densidades e temperaturas, veja o cap. 1: Bases técnicas.
Einzelheit X
Einzelheit X
Applications
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