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Flat Bottom Duckbill Check Valve with Clamp

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Shipping From Shandong, China
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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
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