Find Flap Valve,Double Flap Valve,Toilet Flap Valve on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.

Inquiry Basket (0)

The Latest Product Alerts Send Me

flap valve

    Place of Origin: China

Product Description

Flap Valve
Flap valves are designed for use on the discharge end of pipes to prevent backflow or intrusion into the pipe. Typical applications include discharges to reservoirs, ponding basins and standpipes. Permits the outflow of water from a pipe or structure while preventing backflow. Used in reservoirs, tidal basins, ponding basins, pump stands and storm drain systems where seating heads are less than ten feet.

Features and Benefit
·Material as FRP, carbon steel, stainless steel, cast iron, HDPE for select
·Wide supply range(100mm to 3000mm or larger), customized designs available
·Reliable backflow prevention
·Smart design eliminates maintenance
·Corrosion resistant, will not warp or freeze open or shut
·No cracking pressure needed, low head loss, can be completely open to flood discharge
·Environmentally-friendly

Specifications


Nominal diameter:
DN25mm to DN3000mm, customizing design available
Maximum working pressure:
25 meter water
Operating temperature:
-20℃-100℃(for usual)
Open angle
>90 Deg
Corrosion resistance
Yes
Applicable media
Sea water, drinking water, slurry, industrial sewage.

Components/Materials/Functions


NO.
Components
Materials
Functions

1
Seat
By Request
Support
2
Flange
By Request
Fasten
3
Gate
By Request
Flow Control
4
Seal
By Request
Seal
5
Sleeve
HDPE
Anti-abrasion
6
Hinge Pine
SS 304
Hinge
7
Nut
SS 304
Fasten
8
Cotter Pin
SS 304
Fasten
9
Eye Bolt
SS 304
Support

Design of FRP Flap Valves:

Design of HDPE Flap Valves:

Note:
Usually the flange drilling standard is based on DIN PN6, other standards available as ANSI CLASS150/300, DIN PN16/25, JIS10 etc. For special application, please contact GYLDT for detailed design.

  • 1/2 - 4 Inch Water Vertical Spring Flap Brass Check Valve

    Model NO.: DR 6010 Flow Direction: Reversing Standard: Customize Application: Industrial Usage, Water Industrial Usage, Household Usage MOQ: 2000 PCS Delivery Time: 25-35 Days Payment Term: T/T Trademark: D&R Transport Package: Export Standard Package Specification: 1/2"-2" Origin: Zhejiang, China HS Code: 8481804090...

  • Rubber Flap Swing Check Valve for Water System

    Model NO.: RSCV Standard: DIN Application: Water Industrial Usage Name: Swing Check Valve Body: Ggg40/50 Disc: D.I+EPDM Coated Shaft: Ss420/431 Size: Dn50-600 Seal: NBR/EPDM Coating: Epoxy Coated to 300 Microns Connection: Flanged BS 4504 Pressure Rate: Pn10/16 Equip: Lever and Weight Trademark: WALTER/ No Brand Transport...

  • Dn40 Water Flap Non Return Natural Gas Check Valve/Soft Sealingdouble Bronze Disc Check Valve

    Model NO.: DICV06 Flow Direction: Unidirection Standard: ANSI Application: Industrial Usage, Water Industrial Usage, Household Usage Size: Dn40~Dn900 Inch: 1-1/2 "~24" Delivery Time: 20~40 Days, Depend on The Quantity Certificate: ISO, Ce .API RS Raw Material: Ci/Di/CF8/CF8m/C95400/Wcb Trademark: xbvalve Transport Package:...

  • Flap Barrier Tripod Turnstile Supermarket Swing Gate

    Flap Barrier Tripod Turnstile Supermarket Swing Gate Intelligent tripod gate turnstile ---can be compatible with IC card , ID card ,barcode card , fingerprint reading card recognition device used for staff, provide civilized , orderly access methods; effectively manage the access of staff . the tripod turnstile can be...

Contact us if you need more details on Flap Valve. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Double Flap Valve、Toilet Flap Valve. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Flap Valve

Email to this supplier
  • *Subject:
  • To:
    Li
    Mr. Li
  • *Messages:
    Your message must be between 20-8000 characters