الوصف

Standards and Specifications:
1. Design standard conform to：ANSI/AWWA C**9
2. Face to face conform to：ASME B*6.*0 
3. Connection pipe conform to：ASME B*6.1 CLASS**5
                                                   ANSI/AWWA C**1/A*1.*1
                                                   AWWA C**6
4. Pressure testing standard conform to：ANSI/AWWA C**9
5. Performance specifications：
   1）Working Pressure：**0psi~**0psi 
                        water temperature *3~**5°F（0.6~*2°C）
   2）Testing Pressure：Seat testing pressure is 1 time  rated pressure
                        Body testing pressure is 2 times rated pressure
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.