Duckbill Check Valve with Flange

• Model NO.: Duckbill check valve with flange
• Sealing Form: F
• Flow Direction: Reversing
• Standard: ANSI
• Application: Industrial Usage, Water Industrial Usage
• Transport Package: Standard Pakage
• Specification: DN50-2000
• Trademark: LIDE
• Origin: Jinan/Shandong
• HS Code: 8481300000
• Production Capacity: 50000

Product Description

Description:

This type can be mounted to mating flanges or wall thimbles or directly to concrete walls..
This type  is a full port, concentric design Rubber Duckbill Check Valve. This type  Duckbill Check Valves can be
supplied with many different flange drilling configurations , including square or rectangular flanges to suit problematic sluice gate or flap gate replacements. This type  flange size drilling conforms to ANSI Class 125/150# and is also available with DIN drillings and other standard or customized drilling patterns. 

Features

• Reliable backflow prevention
• 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 1/2" (12mm) to 72" (1800mm)

Materials Of Construction

• Drilling patterns:
  • ANSI Class 125/150#
  • DIN PN6, PN10, PN16
  • Custom
• Retaining rings:
  • Galvanized steel (standard)
  • 304 Stainless Steel
  • 316 Stainless Steel
  • Special alloys available