CRITICAL SERVICE
Pressure relief valves with PTFE-lining for corrosive media
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Medium-touched components made of corrosion resistant PTFE
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Pressure relief valve for the protection of highly corrosive media
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Cost-effective alternative to high-alloyed materials
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ATEX-compliant version in electrically conductive PTFE possible
Industries
Approvals
LESER Critical Service pressure relief valves are designed, marked, produced and approved according to the requirements of the following regulations
UV
Valve Types
PTFE-full lining at the inlet and outlet area for highly corrosive medium
DN 25 - DN 100 (1" - 4")
Block body valve with flushing protective gas, all special materials available
DN 25 - DN 100 (1" - 4")
Technical Specifications for Critical Service
Nominal Diameter at Inlet
DN 25 - DN 100 | 1" - 4"
Actual Orifice Diameter dâ‚€
23 mm - 92 mm | 0.91 in - 3.62 in
Actual Orifice Area Aâ‚€
415 mm² - 6.648 mm² | 0.645 in² - 10.304 in²
Pressure
0.1 bar - 16 bar | 1.45 psig - 232 psig
Temperature (in accordance with DIN EN)
-85 °C to 200 °C | -121 °F to 392 °F
Body Material
1.0460, 1.0619 | SA 105, SA 216 WCB
Valve Connection
Flange in accordance with DIN EN 1092-1 and ASME B 16.5
Bellows Material (optional)
Stainless steel, PTFE, Hastelloy C276
Load Type
Spring-loaded
Downloads
In our comprehensive download area you will find all necessary documents and detailed information on safety valves you need.
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