H81. XH41. XH81A. XH41A Rubber Sewage Check Valve(Duck-billed flexible check valve in Spain and Duck-billed Rubber Flat bil valve) is redesigned revolutionarily on the base of Spanish Ross valve company and Ameri-can Red Valve company.Thanks for its further improvement ,the valve has greater intensity,toughness and tightness.
The rubber sewage check valve is a type of valve specifically designed to prevent the back flow of sewage and is widely used in wastewater treatment plants, drainage systems, tidal operations, and other similar applications.the valve is free from any repair and maintenance in the view of having no movable parts.Matching with straight pipe, flange pipe, concrete pipe and glassy steel pipe,As green environment friendly valve, it can deal with the difficulty of obstruction by sand,block,silt and so on .
Rubber Sewage Check Valve(Duck-billed valve)
Product name:Rubber Sewage Check Valve(Duck-billed valve)
Material:rubber
Size:DN20mm-DN3000mm
Connection method: flange, clamp
Application fields: coast, beach, wharf, reservoir, municipal drainage,
Color:black
| diameter | Outer diameter(DW) | size(XL-T) | length(L) | height | The depth of the fit | |
| DW | DO | XL100-100-T | 158 | 100 | 40 | |
| 100 | 108 | 108 | ||||
| 114 | 114 | |||||
| 125 | 133 | 133 | XL125-140-T | 232 | 140 | 50 |
| 140 | 140 | |||||
| 150 | 159 | 159 | XL150-200-T | 270 | 200 | 50 |
| 168 | 168 | |||||
| 200 | 219 | 219 | XL200-255-T | 320 | 255 | 50 |
| 250 | 273 | 273 | XL250-265-T | 360 | 265 | 75 |
| 300 | 325 | 325 | XL300-325-T | 450 | 325 | 115 |
| 350 | 377 | 377 | XL350-425-T | 560 | 425 | 115 |
| 400 | 426 | 426 | XL400-525-T | 650 | 525 | 135 |
| 450 | 480 | 480 | XL450-625-T | 750 | 625 | 150 |
| 500 | 530 | 530 | XL500-725-T | 850 | 725 | 200 |
| 600 | 630 | 630 | XL600-825-T | 950 | 825 | 200 |
| 700 | 720 | 720 | XL700-925-T | 1060 | 925 | 200 |
| 800 | 820 | 820 | XL800-1080-T | 1200 | 1080 | 250 |
| 900 | 920 | 920 | XL900-1250-T | 1260 | 1250 | 250 |
| 1000 | 1020 | 1020 | XL1000-1400-T | 1450 | 1400 | 250 |









