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Gravity Circulation Checks and Non-Return Valves
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for sanitary and HVAC (heating, venting and air-conditioning) applications Types: SBO - to prevent gravity circulation RK70 - especially suited for heating and hot-water installations RK71 - for liquids, gases, vapours. Application as gravity circulation check, vacuum breaker, breather, foot valve, pressure-relief valve or pressure-maintaining valve. MB14 - for liquids, gases, vapours. Application as gravity circulation check, vacuum breaker, breather, foot valve, pressure-relief valve or pressure-maintaining valve
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Non-Return Valves for Industry and HVAC
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RK41 - Especially suited for heating installations RK44 / RK44s - For sea water and drinking water RK76 - For industrial applications For liquids, gases, vapours. Application as gravity circulation check, vacuum breaker, breather, foot valve, pressure-maintaining valve, check valve.
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The All-Rounder for Industrial Applications: Non-Return Valves RK86 and RK86A
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For liquids, gases, vapours. Application as gravity circulations check, vacuum breaker, breather, foot valve, RK 86 40 pressure-maintaining valve, check valve.
RK 86 A especially suited for low temperatures, aggressive fluids, boiler feedwater lines, and other industrial applications.
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Non-Return Valves for Special Applications
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RK16A - For aggressive media and temperatures down to minus 200°C RK49 - For high pressures (160 bar) and temperatures up to 550°C
RK16C - Hastelloy C (Special Material)
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DISCOCHECK Dual-Plate Check Valves BB
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For liquids, gases, vapours Materials:
- Grey cast iron
- Carbon steel
- Stainless steel Features: - Low wear:
> Plate halves lift off before opening
> Lower operating pressures, thanks to two hinge pins and four closing springs
- No external through-holes
- Also available with patented adjustable dampers
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DISCO Swing Check Valves CB
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For liquids, gases, vapours Application: CB 14 - For water and compressed air CB24 S - For sea water, drinking water, swimming-pool water CB26 - For low temperatures CB26 A - For aggressive fluids, drinking water, or swimming-pool water
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Swing Check Valves WB without spring
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Versions: WB 26 - for liquids, gases and vapours WB26 A - for aggressive fluids WB24 S - for sea water
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For Liquids, gases, vapours, aggressive fluids and low temperaturesMaterials: Steel - down to -10°C
Stainless steel - down to -40°C
High-temperature steel - down to -10°C
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