Type:WF-FQ41-038 Brand:WeiFeng Size Range:1/2"Inch to 20"Inch Body&Cap Material:Carbon Steel(WCB),304/316/316L Stainless Steel Seal Material:PTFE(White)/NBR(Black) Sealing Gasket Ball Material:PTFE/Plastic(Red/Blue) Window Material:Tempered Glas/Borosilicate Glass/Quartz Glass Pressure Level:1.6MPa-5.0MPa Temperature Level:-30掳C to 100掳C;-50掳C to 200掳C End Connection:ANSI 150LB/300LB,JIS 5K/10K,DIN,Ghost,GB Flange Application Medium:Liquids,Gases,Petroleum,Solid Liquid and Water etc. Packing Method:Carton Box or Plywood Box Delivery Time:Within 10 days for 100 pieces Product Warranty:One Year without man-made destructionFloating Ball Water Flow Indicator suppliers website:http://www.alvifeng.com/floating-ball-water-flow-indicator/