Features and application: 
Purpose: This valve is suitable for installation in the pump outlet and the transmission and distribution mains on the road, to exclude a large number of gathering pipeline in the air, in order to improve the efficiency of pumps and pipes, or rapid inhalation of air, to ensure that pipelines are not subject to negative pressure damage. 
Features: displacement, small size, more applicable to the pump outlet. 
The main performance parameters: 
◆ Nominal diameter: DNl5 ~ 25mm 
◆ Nominal pressure: PNl.6MPa 
◆ Temperature: ≤ 80 ℃ 
◆ Suitable medium: water 
◆ Connection: Thread 
◆ Test Standard: GB/T13927 
Major parts material: 
◆ valve body, valve cover - cast iron 
◆ dust cap - Cast Iron 
◆ Chassis, float - stainless steel 
◆ seals - nitri