Norval types
The Norval non-return check valve is available in a range of body types and sizes. Additionally, different body materials are available including bronze, cast iron, fabricated steel and 316 stainless steel. In order to meet your application requirements, a selection of fitting connections are available, including flanged, screwed and RJT or IDF connections.
| Technical data | Dimensions |
| Specifications | |
| Proportions |
Please contact us or email our Technical Sales for more information. Brochures in pdf format are available from our downloads page.
Type CD |
|
| Version | : integral flange cone |
| Material | : stainless steel 316 |
| Range | : DN 40 t/m DN 200 |
| Connections | : mounting between adjacent pipe flanges |
| according DIN 20501 PN 16 | |
| Variations | : Type CD/Slip stream for compressed air applications. |
These valves are standard supplied with a nameplate flag. On demand the check valves can be supplied without a nameplate flag allowing installation in special purpose machines and devices.
Type CD/S |
|
| Version | : cone in 2-piece bronze body |
| Material | : conus :stainless steel 316 |
| : body : bronze SS 1400-LG2C (ASTM eq. B 145-826) | |
| Range | : DN 15 (1/2") to DN 50 (2") |
| Connections | : screwed BSP 1/2" t/m 2" |
Also available in 316 stainless.
Type CD/S Plastic |
|
| Version | : cone 2 piece plastic body |
| Material | : cone : stainless steel 316 |
| : body : plastic | |
| Range | : DN 15 (1/2") t/m DN 50 (2") |
| Connections | : screwed BSP 1/2" t/m 2" |
| Klemkoppeling (push-fit) |
This is a very lightweight and cost effective solution to customers' needs and is especially in popular in the chemical industries and water authorities. Where stainless steel is not suitable or cannot be used the cone can be manufactured in PTFE.
Type CIP |
RJT of IDF |
| Version | : cone in 2-piece stainless steel body |
| Material | : cone : stainless steel 316 |
| : body : stainless steel 316 | |
| Range | : DN 40 (11/2") t/m DN 100 (4") |
| Connections | : RJT connection |
| IDF connection |
CD/F |
CD/WF |
CD/M |
| Pipe with two flanges and a check valve type CD. | Flanged valve type CD. Applicable as end of line or bottom valve. | Body with multiple check valves type CD. For diameters larger than DN 200 |
| Range: DN 40 to DN 200 | Range: DN 40 to DN 200 | Range: DN 250 to DN 600 |
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