Short Description:
Rubber flexible non-return valve, also known as duckbill valve, adopting the design of the rubber, made of rubber flange, the valve body and the duckbill one production.
Widely applicable to the coast, beach, marina, reservoir, the Municipal Administration drainage, sewage and other places with.The valve can be replaced by the door, gate, completely solve the problem of sediment, silt, rocks, vegetation, marine biological obstruction.
Main dimensions
PN(mm) | DN(mm) | H | H0 | H1 | b | B | D2 | 2T | Remarks |
1.0 | 150 | 285 | 96 | 76 | 16 | 247 | 186 | 17 | Straight mouth |
200 | 346 | 96 | 98 | 15 | 306 | 230 | 18 | Straight mouth |
250 | 400 | 100 | 115 | 17 | 380 | 300 | 16 | Straight mouth |
300 | 430 | 97 | 102 | 26 | 480 | 360 | 20 | Straight mouth |
350 | 520 | 90 | 150 | 26 | 540 | 410 | 30 | Straight mouth |
400 | 550 | 90 | 135 | 28 | 605 | 460 | 25 | Straight mouth |
450 | 605 | 90 | 190 | 30 | 645 | 514 | 26 | Straight mouth |
500 | 630 | 90 | 170 | 30 | 750 | 564 | 30 | Straight mouth |
0.6 | 600 | 760 | 110 | - | 30 | 880 | 668 | - | Bending mouth |
700 | 775 | 110 | - | 40 | 950 | 772 | - | Bending mouth |
800 | 860 | 110 | - | 40 | 1220 | 874 | - | Bending mouth |
900 | 940 | 110 | - | 40 | 1320 | 976 | - | Bending mouth |
1000 | 1150 | 140 | - | 30 | 1430 | 1078 | - | Bending mouth |
1200 | 1210 | 160 | - | 42 | 1620 | 1298 | - | Bending mouth |