Airtec Pneumatic GmbH.,Kronberg, West Germany.

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High Cycle, Piston Operated, On/Off or Control Valves for Steam, Hot and Cold Liquids, Steam Regulators and Check.

Valvtechnologies Inc, Houston, USA.

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Ball Valves, high pressure high temperature, 68 - 72 Rockwell hard metal seated, Diamond Lapped Zero leakage ball & seat warranted 4 years, Approved fire safe.