Product Description
LEHRY Safety valve is part of the safety device for solar energy systems installations feed with water or water mixture as vector, according to DIN4757part 1. Specification :
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Forged brass body
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Working pressure:3 & 6 bar
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Long lasting high temperature resistant diaphragm
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Manual discharge knob in shockproof resin
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Max working temperature:120?
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Stainless steel spring
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Seal contact with hot water proof rubber
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Female thread connections are to ISO228
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Product conforms to EN1489:2000