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The scope of application includes converted pressure relief valve, loading and unloading blind valve, sampling equipment, etc. Technical description: ambient temperature: - 40 - + 80 ° C material: stainless steel
Handle valve interlock is locked with 90 degree right angle, are suitable for all right angle operated valve such as ball valve, plug valve, three-way valve and butterfly valve. Install at rotated valve，lock valve in open/close station.Only when both keys are inserted in lock, it could operate valve.
One key control full open position, another key control full close position.
