Nominal pressure (PN): 16 Object of action: water structure form: floating industry: chemical nominal diameter (DN): DN32, DN15, DN20, DN50, DN40, DN65, DN100, DN80, DN25 valve body material: UPVC eccentric requirements: non-eccentric flow direction: two-way connection form: command form: ball temperature environment: normal temperature action mode: double-acting valve action: switch sealing material: PTFE lining material: plastic pressure environment: normal pressure applicable medium: weak acid and alkali medium brand: LOFM valve standard: national standard optional accessories: positioner sealing mode: soft sealing null: 1, Function: straight-through type specification and model: DN15 * 16 * UPVC * command, DN20 * 16 * UPVC * command, DN25 * 16 * UPVC * command, DN32 * 16 * UPVC * command, DN40 * 16 * UPVC * command, DN50 * 16 * UPVC * command, DN65 * 16 * UPVC * command, DN80 * 16 * UPVC * command, DN100 * 16 * UPVC * command type (channel position): two-way drive mode: pneumatic