Wenzhou supplier Wafer Connection Explosion Proof Motorized Butterfly ValvePRODUCT DETAILS Model: D971X-16C, explosion proofD: Butterfly valve9: Electric actuator operated7: Wafer connection1: Centric linear structureX: Rubber seat (PTFE, EPDM, NBR)16: Nominal pressure max. 16 barC: WCB body Driving device: Explosion p