Fish belly adjustable weir

The new type of fish belly adjustable weir replaces the previous automatic sewage interception devices such as duckbill valves and flap doors. The new type of fish belly adjustable weir is easier to install and has better working performance and higher sensitivity than the old automatic sewage interception devices. Our company has produced many pollution control and interception products to meet the demand of the national marketFish belly adjustable weirA series of sewage valves including automatic sewage interception device, float type flow limiting device, float type diversion device, cast iron inlaid copper gate, channel gate, hoist, and flap gate. The company is recruiting national agency partners!

1、 Product Description

　　Fish belly adjustable weirIt is a one-way valve installed at the outlet of drainage pipes in water supply and sewage treatment projects, used for overflow or check media, and can also be used for various shaft covers. It can be installed on the wall or through pipelines.

The fish belly adjustable weir is mainly composed of valve body, valve cover, and hinge components, with two materials: cast iron and carbon steel. Its opening and closing force comes from water source pressure and does not require manual operation. If the water pressure inside the valve is greater than the pressure outside the valve, it will open; Otherwise, it will be closed to achieve the functions of overflow and check.

Suitable for overflow and check function in various pipelines and channels in water supply and drainage and sewage treatment projects, and can also be used for various vertical shaft covers; Circular, square, or rectangular outlets only used for unidirectional water flow, with a simple structure, reliable operation, and no need for manual operation. They can be connected with flanges or fixed with embedded parts.

2、 Purchase instructions

1. Indicate the material (cast steel or stainless steel), and if not specified, produce according to steel.

2. The reverse bearing water head shall not exceed 8m, please indicate the water head if exceeded.

3. It is recommended to use flange connection during installation. When using embedded parts for connection, please refer to the embedded steel plate form in the cast iron inlaid copper gate sample for the setting of embedded parts.

4. The standard for fish belly adjustable weir flange is GB/T9119-2000, PN 0.25MPa

3、 Technical parameters

Product Name: Fish belly adjustable weir

Product model: ZT-1400 * 400

Yongjia Zhongte

Nominal pressure: 1-5m impact water column (0.05MPa)

Applicable media: water, river water, sewage, seawater

Applicable temperature: ≤ 100 ℃

Main component materials: carbon steel, stainless steel

Caliber: 100 * 100-2500 * 2500mm

Other sewage valves you may need: fish belly adjustable weir, fish belly type hydraulic adjustable weir, adjustable weir gate