Fig. C01, C02 Swing Check Valve DN450 - DN900
Figure C01 & C02.
Metal seat Check Valve to prevent reverse flow, suitable for water, wastewater and sewage applications.
To BS5153 and BSEN 1074-3 standards, size range 350-300mm, ductile iron with gunmetal seats.
Features.
- Unique lightweight ductile iron design.
- WRAS approved non metallic components.
- Fusion bonded epoxy coated paint - WRAS approved.
- Suitable for both horizontal and vertical installation.
- 1/2" BSP air release on cover as standard.
Service Conditions.
- Potable water, filtered water, dirty water & sewage.
- Working pressure 16 bar.
- Temperature range -10°C to 70°C.
(Insulate at 0°C and below)
Standards.
- Designed according to EN 1074 - 3.
- Standard flange drilling to EN1092-2 (ISO 7005-2), PN 10/16.
- Hydraulic test to EN 1074-3.
- Seat: 1.1 x PN (in bar), Body: 1.5 x PN (in bar).
- Approved for waste water / pressure test EN 1074.
Accessories / Options.
- Lever & weight.
- Safety Guard - Coated.
- Proximity Switch.


Material Specification.
Items | Description | Material | Standard |
---|---|---|---|
1. | Body | Ductile Iron | GGG50 |
2. | Disc | Ductile Iron | GGG50 |
3. | Rocker | Ductile Iron | GGG50 |
4. | Disc Sealing Ring | Bronze LG2 | BSEN 1982 CC491K |
5. | Body Sealing Ring | Bronze LG2 | BSEN 1982 CC491K |
6. | Shaft | Stainless Steel | 431S29 |
7. | Bonnet | Ductile Iron | GGG50 |
8. | Gasket | PPDM |
Dimensions.
Size | L | D | D1 | D2 | b | f | Z-d | Weight (kg) |
---|---|---|---|---|---|---|---|---|
450 | 965 | Ø640 | Ø585 | Ø548 | 30 | 4 | 20-Ø31 | 845 |
500 | 1067 | Ø715 | Ø650 | Ø609 | 31.5 | 4 | 20-Ø34 | 1056 |
600 | 1219 | Ø840 | Ø770 | Ø720 | 36 | 5 | 20-37 | 1390 |
700 | 1650 | Ø910 | Ø840 | Ø794 | 39.5 | 5 | 24-Ø37 | 2030 |
800 | 1850 | Ø1025 | Ø950 | Ø901 | 43 | 5 | 24-Ø41 | 2840 |
900 | 2050 | Ø1125 | Ø1050 | Ø1001 | 46.5 | 5 | 28-Ø41 | 3460 |
For more technical information, please see below.
Downloads
File name | Type | Size |
---|---|---|
GA_NRV_450mm_to_900mm_PN16_Fig._C01__C02 | 213 KB |