CHECK VALVES AND STRAINERS
Foot check valve with strainer
The axial foot check valve Type 302 is designed for the equipment of the pumping station. When the pumping stops, the disc is quickly closed by spring pressure before any overpressure occurs due to the return flow.
Characteristics:
- Axial disc foot valve for protection and non-return on pumping equipment for either clean and/or filter water
- High hydraulic performance
- Total sealing (from 3 m.w.c. in vertical position)
- Silent operation
- May be fitted in horizontal or vertical position
- Excellent water hammer performance
- Temperature from -10°C to 10°C
- Anti-corrosion epoxy protection
- Easy maintenance
,
Range
- DN65 to 100 in PFA 16
- DN125 to 300 in PFA 10
- On request : PFA 16 Type 312 from DN125 to 300
Technical design
Technical design
| 65 | 185 | 185 | 125 | 10 16 | 11 | RCA65NABH |
| 80 | 218 | 200 | 150 | 10 16 | 17 | RCA80NABH |
| 100 | 265 | 220 | 181 | 10 16 | 20 | RCB10NABH |
| 125 | 333 | 254 | 217 | 10 16 | 28 | RCB12NABH |
| 150 | 373 | 285 | 256 | 10 16 | 35 | RCB15NABH |
| 200 | 483 | 343 | 336 | 10 | 60 | RCB20NABH |
| 200 | 483 | 343 | 336 | 16 | 60 | * |
| 250 | 572 | 406 | 416 | 10 | 89 | RCB25NABH |
| 250 | 572 | 406 | 416 | 16 | 92 | 163655 |
| 300 | 652 | 482 | 486 | 10 | 128 | RCB30NABH |
| 300 | 652 | 482 | 486 | 16 | 133 | 163673 |
| 400 | 876 | 597 | 676 | 10 | 343 | 163704 |
| 350 | 771 | 533 | 580 | 10 | 226 | * |
| 350 | 771 | 533 | 580 | 16 | 226 | * |
| 400 | 876 | 597 | 676 | 16 | 343 | * |
Features
Material and coating
| Item | Description | Material |
|---|---|---|
| 1 | Body | |
| 2 | Bush | |
| 3 | Guide DN50 | Bronze CuSn5Zn5Pb5-C |
| Guide DN65-300 | Cast Iron EN GJL 250 blue epoxy coated | |
| 4 | Spring | Stainless steel X10CrNi18-8 |
| 5 | Seals | Elastomer type EPDM |
| 6 | Monobloc Wedge DN50-65 | Bronze CuSn5Zn5Pb5-C |
| Wedge DN80-300 | Cast iron EN GJL 250 blue epoxy coated | |
| 7 | Stem | Bronze CuSn5Zn5Pb5-C |
| 8 | Screw | Galvanised steel Brass |
| 9 | Screen | Galvanised steel |
Operating
| DN | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
KV in m3/h |
89 | 143 | 199 | 356 | 557 | 801 | 1008 | 1818 | 2210 | 2560 | 3930 |
Headloss
Delta P
Closed position
Opened position
Documents
Documents