Nominal pressure (PN): internal and external extra-large DN20/6 points, light DN25/1 inch, copper rod copper ball DN20/6 points, increase DN20/6 points, medium and large DN20/6 points, medium and large DN15/4 points, copper rod copper ball DN15/4 points, internal and external increase DN25/1 inch, internal and external medium and large DN15/4 points, copper rod high temperature DN25/1 inch, internal and external increase DN15/4 points, increase DN25/1 inch, increase DN15/4 points, light DN15/4 points, increase DN32/1 inch 2, internal and external increase DN20/6 points, increase DN80/3 inch, medium and large DN25/1 inch, light DN20/6 minutes, Increase DN50/2 inch, increase DN40/1 inch and a half, copper rod copper ball DN25/1 inch, increase DN100/4 inch, copper rod high temperature DN15/4 points, copper rod high temperature DN20/6 points, Enlarged DN65/2 inch half-acting object: water structure form: fixed ball valve Applicable industry: nominal diameter of hardware (DN) : 15-100 Valve body material: copper eccentric requirements: non-eccentric flow direction: one-way connection type: thread shape: ball temperature environment: normal temperature action mode: single-acting valve action: water inlet sealing material: butyl rubber lining material: fluoroplastic pressure environment: normal pressure applicable medium: water brand: Xingfeng valve standard: national standard valve type: optional accessories: ball sealing mode: soft sealing weight: null: 5, Three functions: straight-through type specification and model: medium-large DN15/4 points, medium-large DN20/6 points, medium-large DN25/1 inch, increase DN15/4 points, increase DN20/6 points, increase DN25/1 inch, increase DN32/1 inch 2, increase DN40/1 inch half, increase DN50/2 inch, increase DN65/2 inch half, increase DN80/3 inch, increase DN100/4 inch, light DN15/4 points, light DN20/6 points, light DN25/1 inch, copper rod high temperature DN15/4 points, copper rod high temperature DN20/6 points, copper rod high temperature DN25/1 inch, copper rod copper ball DN15/4 points, Copper rod copper ball DN20/6 points, copper rod copper ball DN25/1 inch, internal and external medium-large DN15/4 points, internal and external oversize DN15/4 points, internal and external oversize DN20/6 points, internal and external oversize DN20/6 points, internal and external oversize DN25/1 inch type (channel position): two-way drive mode: manual