4640 & 4641 Stainless Steel Flanged Swing Check Valve
A high quality 316 grade stainless steel swing check valve with a bolted bonnet that can be removed for cleaning and maintenance and flanges pre-drilled to either Table E or ANSI 150 for connection to different pipe specifications. The body provides full flow capacity and reliable prevention of media reversal in applications such as steam lines.
Design Features
- Investment cast body and disc in stainless steel 316 grade
- Suitable for use with steam
- Arrow on body to indicate flow direction
- Bolted bonnet for easy in-line maintenance
- PTFE bonnet seal for superior leak prevention
Production
- Manufactured in China under ISO 9001 Quality Management System
- All valves are pressure tested to API 598 during production
Technical
- Size range: DN125 (5") to DN200 (8")
- Face-to-face dimensions to ISO 5752 Series 10 (ANSI B16.10)
- AS 2129 Table E flange connections (Series 4640)
- ANSI B16.5 150 flange connections (Series 4641)
- Designed to ANSI B16.34
- Flow capacity: Full flow design in conformance with AS 1628
- Flow orientation: Horizontal or vertical
- Max. pressure water: 362 PSI @ 100°F (2500 kPa @ 37°C)
- Max. pressure steam: 550 kPa @ 160°C (refer to graph)
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