RDCS - Hydraulic Cushion Slow Closing Check Valve
Datasheet
Download datasheet (PDF)Specifications are indicative. Final specification is confirmed at quotation.
Specifications
Confirmed at quote- Size Range
- DN50 to DN600
- Pressure Class
- PN10, PN16, PN25
- End connection
- Flanged
- Operating temperature
- -10°C to 80°C
Standards
- Design & manufacture
- BS EN 1074-3
- Inspection & test
- BS/ISO, Body seat: 1.1 x PN, Body: 1.5 x PN
- Face to face
- BS EN 558
- Flange & end dimension
- BS 4504
Configure your variant(manually adjust box on the right if you require a different spec)
- Size
- Pressure
- End connection
Materials
All available material options per part. Click a pill to set it in the configurator.
- Body
- Bonnet
- Wedge
- O-Ring
- Spring
- Bolts
- Fixed Nut
- Lining
- Needle Valve
- Pin
- Plunger Pipe
- Plunger Rod
- Reinforced Fibre
- Slowly Closing Steel
- Slowly Closing Tail Plug
- Stainless Pipe
- Wedge Cast
Pressure-temperature rating
Maximum working pressure at each temperature, per pressure class.
| Class | Pressure | Min temp | Max temp |
|---|---|---|---|
| PN10 | 10 bar | -10°C | 80°C |
| PN16 | 16 bar | -10°C | 80°C |
| PN25 | 25 bar | -10°C | 80°C |
Dimensions per size(14 sizes)
| Size | L (mm) | D1 PN16 (mm) | D2 PN16 (mm) | n-Ød PN16 (mm) | n-Ød PN10 (mm) | n-Ød PN25 (mm) | D1 PN10 (mm) | D1 PN25 (mm) | D2 PN10 (mm) | D2 PN25 (mm) | Weight PN10 (kg) | Weight PN25 (kg) | Weight PN16 (kg) | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DN50 | 203 | 165 | 125 | 4-Ø19 | - | - | - | - | - | - | - | - | - | 19 kg |
| DN65 | 216 | 185 | 145 | - | 4-Ø19 | 8-Ø19 | - | - | - | - | - | - | - | 19 kg |
| DN80 | 241 | 200 | 160 | 8-Ø19 | - | - | - | - | - | - | - | - | - | 19 kg |
| DN100 | 292 | - | - | 8-Ø23 | 8-Ø19 | - | 220 | 235 | 180 | 190 | - | - | - | 19 kg |
| DN125 | 330 | - | - | 8-Ø28 | 8-Ø19 | - | 250 | 270 | 210 | 220 | - | - | - | 19 kg |
| DN150 | 356 | - | - | 8-Ø28 | 8-Ø23 | - | 285 | 300 | 240 | 250 | 19 | 20 | - | 19 kg |
| DN200 | 495 | - | - | 12-Ø23 | 8-Ø23 | 12-Ø28 | 340 | 360 | 295 | 310 | 20 | 22 | - | 20 kg |
| DN250 | 622 | 405 | 355 | 12-Ø28 | 12-Ø23 | 12-Ø31 | 395 | 425 | 350 | 370 | 22 | - | 24.5 | 22 kg |
| DN300 | 698 | 460 | 410 | 12-Ø28 | 12-Ø23 | 12-Ø31 | 445 | 485 | 400 | 430 | 24.5 | - | 27.5 | 24.5 kg |
| DN350 | 787 | 520 | 470 | 16-Ø28 | 16-Ø23 | - | 505 | - | 460 | - | 24.5 | - | 26.5 | 24.5 kg |
| DN400 | 914 | 580 | 525 | 16-Ø31 | 16-Ø28 | - | 565 | - | 515 | - | 24.5 | - | 28 | 24.5 kg |
| DN450 | 914 | 640 | 585 | 20-Ø31 | 20-Ø28 | - | 615 | - | 565 | - | 25.5 | - | 30 | 25.5 kg |
| DN500 | 978 | 715 | 650 | 20-Ø34 | 20-Ø28 | - | 670 | - | 620 | - | 26.5 | - | 31.5 | 26.5 kg |
| DN600 | 1100 | 840 | 770 | 20-Ø37 | 20-Ø31 | - | 780 | - | 725 | - | 30 | - | 36 | 30 kg |
Operating media
Typical applications
- Sewage pump discharge
- Sludge handling
- Slurry service
- Wastewater treatment
Approvals
Features
- The RDCS incorporates a hydraulic dashpot that decelerates the disc through the last part of its travel before seating, eliminating the impact and pressure spike of valve slam
- Suitable for pump discharge on sewage, sludge and slurry where aggressive media would quickly damage spring-assisted check valves
- No springs in contact with media
Description
The RDCS incorporates a hydraulic dashpot that decelerates the disc through the last part of its travel before seating, eliminating the impact and pressure spike of valve slam. Suitable for pump discharge on sewage, sludge and slurry where aggressive media would quickly damage spring-assisted check valves. No springs in contact with media.
Selection notes
This check valve is supplied for flanged installation.
Sizes run DN50 to DN600, in PN10, PN16, PN25.
The body is EN-GJS-500-7.
Stated service media include water and waste water.
It is catalogued for Water & Wastewater.
Working temperature is -10°C to 80°C.
Built to BS EN 1074-3, BS EN 558, BS/ISO, Body seat: 1.1 x PN and Body: 1.5 x PN.
Available pressure classes
Pressure classes this product is rated to.
Used in
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