Series 1903 Valstop Brass Spring Check Valve Viton® Seals |  |
FEATURES
- Manufactured in Italy
- Minimum head loss due to the streamlined flow design
- Heavy pattern, full bore, high flow capacity
- Excellent seal at low & high pressure, within a wide temperature range
- Quiet operation and reduction in water hammer
- Wear resistant and long lasting materials
- Compact dimensions, superior performance and high quality
- Can be installed in horizontal or vertical position
- Not WaterMarked and not suitable for installations that must be
AS/NZS 3500 compliant (drinking or non-drinking water)
- All valves pressure tested during production
- Size range: 6mm to 100mm
TECHNICAL FEATURES
- Temperature range: -20°C to 135°C
- Maximum operating pressure at nominal temperatures:
- 6mm to 15mm: 4000 kPa
- 20mm to 25mm: 3000 kPa
- 32mm to 50mm: 2500 kPa
- 65mm to 100mm: 1600 kPa
- Cracking pressure: 2.5 kPa
- For ratings at specific temperatures refer to graph overleaf
The information in this specification must only be used for assessing a product’s suitability for a particular use.
The information remains the intellectual property of Zetco Valves Pty Ltd and must not be used or reproduced for any other purpose without Zetco’s prior written permission.
