... earthquake sensor and fire detector to the ESDV for disaster control•Explosion-proof, drip-proof•4 Models: A type (AW14 ... US, and DIN in Germany. The knife gate valves, parallel slide valves, and eject valvespresent a fine solution regarding abrasion ... ball valve, butterfly valve, globe valve, check valve, plug valves, control valves, etc. asthe leading valve product system, with a caliber up ...