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- The test duration according to TRÖI chapter 4.10.4.2. "Leak test with negative pressure" is:- 10 minutes for above-ground pipes- 30 minutes for underground pipes- Consists of a connection block with integrated shut-off valve, in which a vacuum gauge and a vacuum limiter are mounted- The suction pressure of the suction pump is limited to the specified test vacuum of -0.3 bar- Designed for direct connection to the GOK oil suction pump- Can be operated with suction pumps from other manufacturers using suitable adapters- Scope of delivery:- Vacuum gauge, measuring range -1 to 0 bar- Vacuum limiter- Adapter, DN 10 (3/8") external thread on both sides- Connection hose ÜWM DN 10 (3/8") x ø 4 x 1 - length 500 mm- Suction hose ø 4 x 1 - length 500 mm- Mains connection cable 2 m for electromechanical siphon protection valves 230 V/AC, 50 Hz- Case
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