Flanged Type Duckbill Check Valve Manufacturer and Suppliers Flowspec Luokai

Flanged Type Duckbill Check Valve Product Descriptions

Flanged type duckbill check valve is also called rubber slow close check valve. Duckbill check valve, which has special structure like duckbill. It is one new water supply and drainage valve which has the function of discharge in positive direction while non-return in opposite direction. Flanged type duckbill check valve is mounted onto the pipe with flanges. Flanged duckbill check valve is applicable widely to rain water, river water, sea water, slurry and industrial sewage. Flowspec Luokai can manufacture the flanged duckbill check valve according to flange standard of DIN PN10/16, ANSI150LB, JIS10K and UNI EN1092 table D/E with sizes from DN150(6″) to DN3000 (120″). Welcome to contact us for detailed information and best quotes if you have any questions or inquiries.

1. FEATURES

Duckbill check valve adopts all-rubber materials in which include reinforced fibers, which has simple structure, non-corrosive performance and no mechanical parts.
Duckbill check valve has strong operating performance, which can provide efficient and silent operation without any more energy device, reducing operating costs.
Duckbill check valve is applicable to general operating conditions, and special conditions of wearing and corrosive mediums, such like water, sludge, and mud.
Flanged duckbill check valve has excellent effects of prevent of back flow.
Duckbill check valve use differential pressure between its inside and outside to achieve open and close naturally, so that it’s the best choice of waste water drainage system and pipeline system.

3. STANDARDS

Design & manufacturing: manufacturer’s standard
Face to face: manufacturer’s standard
Flanged ends: DIN PN10/16, ANSI150LB, JIS10K, UNI EN1092 table D/E
Inspection & testing: manufacturer’s standard

2. TECHNICAL SPECIFICATIONS

PN6 / PN10 / PN16 / JIS10 / 150LB
Size: 3/4″~120″ (DN20~3000mm)
Materials: Pure Gum Rubber, Neoprene, Chlorobutyl, Buna-N, Polyurethane, Hypalon, Viton, EPDM

4. APPLICATIONS