Categories > Flap valves stainless steel Flap Valves Stainless steel material:
stainless-steel-flap valves

Stainless steel flap valves WA-FV-stainless are backflow preventers on the discharge outlet of drainage systems. Rising water levels actuated closing of the flap preventing backflow providing flood protection.

Nominal size 100 to 2000 mm, for round and rectangular openings, for fastening on a concrete wall or for flange to flange connection.

Specifications:
Nominal size: 100 mm to 2000 mm
Round, square and rectangular openings

Wall mounted flange connection, with chemical anchor bolt fastners.

Corrosion resistance:
Maximum corrosion resistance, stainless steel material - acid bath cleaned and passivated.

rectangular-stainless-steel-flap-valves

Design:
The flap cover is designed for mounting on a flat wall with chemical anchor bolts or for a flange connection.

Materials:
Stainless steel 304, 316Ti or galvanised steel

Sealing elastomers: EPDM, NBR

flap-valve-door-closing-schok-absorbers

 

Shock absorber door closing designs for shock closing or noise reduction in populated areas.

 

 

Flap covers are backflow preventers in rain storage reservoirs or for flood protection purposes. The flap cover opens to allow flow with a low inside pressure and closes when water head pressure increses on the cover. The cover has a reinforced design for pressure up to 6 m wc on the cover.

EPDM rubber seals are wastewater, frost and aging resistant. Flap covers are available in round, rectangular and square design. For mounting on flat walls all necessary anchor bolts are included. Flap valves are also available for casting into concrete, for flange to flange connections or may be mounted on the pipe ends.

Sealing performance

▪ Leakage rate better than ACWWA and DIN 19569-4 limitations
▪ Excellent sealing performance
▪ Wastewater resistant sealing material
▪ Up to 6 m wc pressure (higher pressure possible)

Operational benefits


▪ Durable operating reliabilty Corrosion resistance
▪ Maximum corrosion resistance due to stainless steel material, all acid cleaned and passivated in own pickling plant Versions Each version is available with different cover designs
▪ Flat cover for using in case of outer water level under the pipe
▪ Flat cover with counterweight for using with very lowl drainage pressure
▪ Flap cover with counterweight available

Areas of Application

▪ Municipal and industrial wastewater treatment plants
▪ Rain reservoirs
▪ Flood protection

Flap-valve-stainless-steal-installations

Flap Valve configuration selection information fill-in sheet


Sluice Gates Stainless steel:

stainless-steel-sluice-gates

 

 

 

 

 

 

 

 

Contact us: Westatlantic Tech Corp, 902 455 4455

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