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Quick Details

  • Standard or Nonstandard: Standard
  • Structure: Check
  • Pressure: Medium Pressure
  • Power: Hydraulic
  • Material: Casting
  • Temperature of Media: Medium Temperature
  • Media: Water
  • Port Size: DN20-2400 Flap Valve
  • Place of Origin: Henan, China (Mainland)
  • Model Number: FV FLAP VALVE
  • Brand Name: GYLDT Flap Valve
  • Application: General
  • Product Name: Cast Iron Flap Valve
  • Flap Valve Material: GGG40 or Equal
  • Flap Valve Application: Flow non-return
  • Flap Valve Flange Drilling: DIN PN6/PN10/PN16
  • Flap Valve Customization: Available
  • Flap Valve Coating: Epoxy
  • Flap Valve Flow: Water
  • Flap Valve Manufacturer: GYLDT
  • Flap Valve Package: Pallet
  • Flap Valve Colour: Blue

Packaging & Delivery

Packaging Details plastic bags , wooden box ,or as requested
Delivery Time Shipped in 7 days after payment

Brass Sealing Cast Iron Flap Valve 

Material: GGG40 or Equal

Coating: Expoxy

Flange: DIN, other standards are customized


Cast iron flap valve applicable to water supply and wastewater treatment projects in various pipe and water channel as overflow, check effect, also can be applied to various vertical shaft manhole cover; Only for one-way water flow of round, square or rectangular export, the structure is simple, reliable work, no human operation, usable flange connection, also can connect with embedded parts fixed.


Cast Iron Flap Valve Features and Benifits

  • Unique lightweight ductile iron design
  • Double hinge for optimal sealing
  • Durable fusion bonded epoxy coated
  • Anti-tamper stainless steel hinge pins
  • Bushed hinge links
  • Corrosion resistant construction
  • Lifting eye as standard
  • Drilled to suit flange and wall mounting


Cast Iron Flap Valve Specifications

Nominal Diameter:DN100mm to DN3000mm, other sizes available
Maximum working pressure:25.0 meter water
Operating temperature:<100°C
Opening angle>90°
Corrosion resistance No
Applicable media water, river water, seawater, living water, industrial sewage.


Cast Iron Flap Valve Components/Materials/Functions

NO.ComponentsMaterials Functions 
1SeatDuctile Cast IronSupport
2FlangeDuctile Cast IronFasten
3GateDuctile Cast IronFlow Control
5Eye BoltSS 304Support
6BoltSS 304Support
7NutSS 304Fasten
SaddleDuctile Cast IronFasten



Our Services
  1. Technical Support: what GYLDT can offer is not products only, contact GYLDT, you will get more than you expected.
  2. Production time of a 40’ container is 20 days for normal products. Customized products will take 15 days more.
  3. Deliver by air:By train: to part of Asian Countries and European Counties.
    1. Will take 2 days to Asian Countries;
    2. Will take 3 days to European Countries;
    3. Will take 4 days to Australia, North America, South America and Africa.
  4. By train: to part of Asian Countries and European Counties.


To Hamburg, Germany will take 16 to 18 days;

To Moscow, Russia will take 12 to 13 days;

To Klaipeda, Lithuania will take 13 to 14 days;

6.  Deliver by sea:


a)     Will take 10 days to Asian Countries.

b)     Will take 30 days to European Countries;

c)      Will take 45 days to Australia, North America, South America and Africa.

Company Information

Main Products

Main Product-Rubber Expansion Joint       Main Product-Dismantling Joint           Main Product-Metal Expansion Bellows


Gongyi Liangda Tubes Co., Ltd is the most professional Valves and Pipe Fitting Supplier of China.

Contact GYLDT for more product information.

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China (Mainland) | Manufacturer, Trading Company
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Supplier's Trade Assurance Limit: US $35,000
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