NSCV - DN400 - DN1200
Datasheet
Download datasheet (PDF)Specifications are indicative. Final specification is confirmed at quotation.
Specifications
Confirmed at quote- Size Range
- DN400-DN1200
- Pressure Class
- PN10 / PN16 / PN25
- Standards
- EN 12334
- End connection
- EN 1092-2 flange
Available sizes
Standard DN sizes covered by this product. Confirmed at quote.
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
- disc
- stem
- bushing
- spring
- diffuser
- nut
- plug
- set screw
- washer
Pressure-temperature rating
Maximum working pressure at each temperature, per pressure class.
| Class | Temperature | Max pressure |
|---|---|---|
| PN25 | -10°C | 25 bar |
| PN25 | 80°C | 25 bar |
| PN16 | -10°C | 16 bar |
| PN16 | 80°C | 16 bar |
| PN10 | -10°C | 10 bar |
| PN10 | 80°C | 10 bar |
Dimensions per size(9 sizes)
| Size | L | D_PN10 | D_PN16 | D_PN25 | K_PN10 | K_PN16 | K_PN25 | C_PN10 | C_PN16 | C_PN25 | Weight |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DN400 | 310 mm | 565 mm | 580 mm | 620 mm | 515 mm | 525 mm | 550 mm | 24.5 mm | 24.5 mm | 48 mm | — |
| DN450 | 330 mm | 615 mm | 640 mm | 670 mm | 565 mm | 585 mm | 600 mm | 25.5 mm | 25.5 mm | 49 mm | — |
| DN500 | 350 mm | 670 mm | 715 mm | 730 mm | 620 mm | 650 mm | 660 mm | 26.5 mm | 26.5 mm | 52 mm | — |
| DN600 | 390 mm | 780 mm | 840 mm | 845 mm | 725 mm | 770 mm | 770 mm | 30 mm | 30 mm | 58 mm | — |
| DN700 | 430 mm | 910 mm | 910 mm | 960 mm | 840 mm | 840 mm | 875 mm | 39.5 mm | 39.5 mm | 46.5 mm | — |
| DN800 | 470 mm | 1025 mm | 1025 mm | 1085 mm | 950 mm | 950 mm | 990 mm | 43 mm | 43 mm | 51 mm | — |
| DN900 | 510 mm | 1125 mm | 1125 mm | 1185 mm | 1050 mm | 1050 mm | 1090 mm | 46.5 mm | 46.5 mm | 55.5 mm | — |
| DN1000 | 550 mm | 1230 mm | 1255 mm | 1320 mm | 1160 mm | 1170 mm | 1210 mm | 40 mm | 50 mm | 60 mm | — |
| DN1200 | 630 mm | 1455 mm | 1485 mm | 1530 mm | 1380 mm | 1390 mm | 1420 mm | 45 mm | 57 mm | 69 mm | — |
Technical drawings(1 page)
Approvals
Features
- The large-diameter NSCV for DN400 - DN1200 is an axial-flow nozzle check valve with a streamlined disc and spring assembly coaxial with the flow path
- The axial design provides the lowest headloss of any check valve type, important on long rising mains where energy savings are significant
- The spring ensures rapid, slam-free closure on pump trip regardless of pipeline profile
Description
Heavy-duty non-slam for large transmission mains. The large-diameter NSCV for DN400 - DN1200 is an axial-flow nozzle check valve with a streamlined disc and spring assembly coaxial with the flow path. The axial design provides the lowest headloss of any check valve type, important on long rising mains where energy savings are significant. The spring ensures rapid, slam-free closure on pump trip regardless of pipeline profile.
Available pressure classes
Pressure classes this product is rated to.
Smart find
Searches our product catalogue using your spec. Drop a spec sheet or parts list (PDF, Excel, CSV, Word or text, several at once), paste a description or a part number and we'll find the closest matches for each. Anything we can't match goes to your RFQ as a custom enquiry for our team to source.Related Check Valves
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