Wafer Type Butterfly Valve Size: NPS3~NPS20(DN80~DN500) Pressure Rating: 150psi/250psi

AWWA C509 Gate Valve

Standards and Specifications:1. Design standard conform to:ANSI/AWWA C5092. Face to face conform to:ASME B16.103. Connection pipe conform to:ASME B16.1 CLASS125                                                   ANSI/AWWA C111/A21.11                                                   AWWA C6064. Pressure testing standard conform to:ANSI/AWWA C5095. Performance specifications:   1)Working Pressure:150psi~350psi                        water temperature 33~125°F(0.6~52°C)   2)Testing Pressure:Seat testing pressure is 1 time  rated pressure                        Body testing pressure is 2 times rated pressure

Product Features:1. The top sealing construction between stem and bonnet is triple o-ring design.Compared with conventional sealing packing construction,this unique design offers reliable sealing, low abrasion.2. Ductile cast iron wedge is fully encapsulated with high performance rubber by advanced vulcanization technique, having permanently bonding, accurate geometry dimension ,excellent sealing performance. This design completely seperates metal wedge from fuild, providing long life corrosion protection. Rubber conforms to NSF requirement.3. Through-way design equals straight pipeline with high flow, capacity low obstruction, and reliable sealing.4. Optional and compact construction design, low operation torque, long service life, and easy operation.5. The product is NSF certified.

AWWA C509 butterfly valve