Duckbill Check Valves Flange Type

Duckbill Check Valves Material: Rubber, Connection: Slip on Check for Preventing Back Flow DN600-3000 ISO9001:2000

 

 

Description of duckbill check valves flanged type: The Duckbill Valve Flanged Type is manufactured with a nylon reinforced rubber flange design, and furnished with galvanized carbon steel or stainless steel 304/316 retaining ring flange. The Valves can be installed directly to the pipe flanges.Normally, Liangda manufactures Flanged Type duckbill valves from DN150mm to DN2400mm, but we can supply the valves with any dimensions to meet your needs.

Features and Benefits of duckbill check valves:

1, Manufactured with an integral reinforced rubber flange provided with metal retaining rings for easy bolting directly to the pipe flange, tank wall or head wall 2, Easy installation on existing flanges or mating flanges available3, Standard retaining ring flange drilling based on DIN PN6/PN10, any other standards available upon request.4, Handle large obstructions without jamming for all rubber construction5, Reliable operation and maintenance-free6, Cost-effective compared to conventional check valves7, Excellent corrosion and abrasion resistance8, Can be designed for any pipe dimension9, Low head loss and less open pressure (1” W.C.)10, Will not warp or freeze11, Standard supply range is 150mm-2400mm

DN150-350 Duckbill Check Valves Data Sheet:   SIZE I.D.(mm) VALVE DIMENSIONS Standard Dimensions for Retaining Ring Flange C(mm) F/F(mm) W(mm) Weight(kg) OD(mm) C(mm) id(mm) Hole Diam. (mm) Bolt Hole Num. T(mm) Weight(kg) 150 240 285 247 3.8 280 240 186 23 8 15 3.7 200 295 346 306 5.2 335 295 230 23 8 15 5.1 250 350 400 380 9.4 390 350 300 23 12 15 5.2 300 400 430 480 12.8 440 400 360 23 12 15 5.3 350 460 520 540 19.4 500 460 410 23 16 17 7.7

DN400-2400 Duckbill Check Valves Data Sheet:   SIZE I.D.(mm) VALVE DIMENSIONS Standard Dimensions for Retaining Ring Flange C(mm) F/F(mm) W(mm) Weight(kg) OD(mm) C(mm) id(mm) Hole Diam. (mm) Bolt Hole Num. T(mm) Weight(kg) 400 515 550 605 20.6 565 515 460 25 16 17 10.4 450 565 605 645 25.5 615 565 514 25 20 17 10.5 500 620 630 750 35 670 620 564 25 20 17 13 600 725 760 880 56.2 780 725 668 30 20 17 15.1 700 840 775 950 70 895 840 772 30 24 20 22.6 800 920 860 1220 90 975 920 874 30 24 20 20.3 900 1020 940 1320 115 1075 1020 976 30 24 20 22.3 1000 1120 1150 1430 142 1175 1120 1078 30 28 20 23.8 1200 1340 1210 1620 272 1400 1340 1290 30 32 25 40 1400 1560 1270 1960 377 1620 1560 1500 34 36 25 51.3 1500 1660 1330 2060 410 1720 1660 1600 34 36 25 55 1600 1760 1409 2140 456 1820 1760 1700 34 40 30 69 1800 1970 1705 2700 580 2045 1970 1924 41 44 30 91.5 2000 2180 1850 2860 695 2265 2180 2110 42 48 32 112 2200 2390 2147 3500 770 2475 2390 2310 48 52 34 140.4 2400 2600 2604 3838 820 2685 2600 2536 48 56 36 144

Note: 1.The weight is approximate. 2. Rubber flange bolt circles DN150-700 according to DIN PN10, DN800-2400 according to DIN PN6. Other standard available as ANSI Class150/300, BS-10, JIS 5K/10K. 3.The retaining ring flange drilling is matched to rubber flange accordingly. 4.Material of the retaining ring flanges usually is carbon steel, painted. SS304/316 available up on request. 5. We can make duckbill valves with any dimensions rubber flange available as per requirement. 6. Duckbill valves of dimensions in the above table are available in inventory. Any other dimensions and designs available upon request.

 

 

 

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