1, Product Information:
All ZHW Series F80 rubber check valves are available in a wide selection of back pressure capabilities and elastomers, including GB certified material. Because of the wide array of available configurations, there?s sure to be a ZHW Series F80 valve to suit your application.
ZHW Series F80 rubber check valves won?t freeze or deform, and they function solely on the inlet and back pressure which are present in each unique situation.
Each rubber check valve is designed by some of the most experienced rubber technicians in the industry, and are carefully constructed using the finest engineered materials available. All of our Series F80 valves are precisely manufactured to ensure proper operation, and will provide years of unhindered, trouble-free service.


2, Product Applications:
1). Sewage systems
2). Stormwater outfall
3). Drainage systems
4). Flood control systems
5). Drainage from dams
6). Pumping stations / wet wells
7). Drainages in airports and highways
8). CSO / SSO / Effluent discharge
9) Drainages in sewers
10). Submerged outfall diffuser nozzles
11). Drainage from sewage reservoirs
12). Coarse bubble air diffusers, Sparging nozzles

3, Product Features:
All-rubber construction to resist abrasive slurries
ISO standard construction
Ultra-quiet operation, with no water hammer
Unique design to prevent backflow
Negligible maintenance and energy costs
Will not warp or freeze
Quick interchange with any flap type check valve
Available in sizes from 1� to 96�