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Flat Bottom Duckbill Check Valve with Clamp

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JINAN LIDE RUBBER & PLASTIC CO., LTD.

Audited Supplier 10 years

Profile Certified by SGS/BV

Shandong, China
Jessy Lin (Mr.)
Manager

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Model NO.:

Flat bottom Duckbill check valve with clamp

Media:

Water

Temperature:

Ordinary Temperature

Material:

Rubber

Connection Form:

Flange

Structure:

Tubular

Pressure:

Low Pressure

Sealing Form:

F

Flow Direction:

Reversing

Standard:

ANSI

Application:

Industrial Usage, Water Industrial Usage

Trademark:

LIDE

Transport Package:

Standard Pakage

Specification:

DN50-2000

Origin:

Jinan/Shandong

HS Code:

8481300000

Product Description

Description

This type has become the preferred Check Valve configuration for outfalls. Designed for in-structure and end-of-pipe installations, This type features a flat bottom and flared top. This allows the valve to be installed at a lower overall elevation than other configurations, with less bottom clearance required. This is especially important in low-lying areas where maintaining as much driving head is critical, or where silt, sand and debris might tend to collect beneath the valve.
This type is ideal for manhole applications, such as junction boxes, diversion chambers and interceptors, where the invert of the pipe is close to the floor of the vault. These vaults are designed to maximize the available gravity head, thus the invert pipe is as close to the floor as possible. This type allows installation in such structures and is easily retrofitted to existing structures, often replacing failed flapgates. There is no need to break up the concrete floor to provide bottom clearance.
This type installs by slipping over the end of an exposed piece of pipe, and is fastened with compression clamps. The inside diameter of the product's cuff is fabricated to exactly match the outside diameter of the pipe.

Features

Reliable backflow prevention
Minimal bottom clearance required
100% elastomer construction eliminates maintenance
Will not corrode, warp or freeze open or shut
1"-2" cracking pressure, low headloss
Curved bill enhances sealing around debris
Custom built for each application based on pressure and flow conditions
Available in diameters from 4" (100mm) to 102" (2550mm)

Materials Of Construction

Drilling patterns:
- ANSI Class 125/150#
- DIN PN6, PN10, PN16
- Custom
Compression clamps:
- 316 Stainless Steel (standard)
- 304 Stainless Steel
- Special alloys available