The Series D High Performance Butterfly Valve is engineered for durability, consistent performance, and ease of automation, manufactured under international standards including API 609, MSS-SP68 and EN 593. Every valve is 100% pressure tested and fully serialized prior to shipment.
Key Features:
- Double eccentric disc design enhances sealing performance and reduces operating torque
- Cam like disc motion minimizes seat-to-disc friction, extending sealing life
- Available in wafer, lug, or double flanged construction for Class 150 - Class 300 ratings
- One piece stem design provides increased torsional strength for high torque applications
- Fully field replaceable seats reduce downtime and maintenance costs without modifying the retainer ring
- XCL-H composite sleeve bearings ensure low friction and extended cycle life
- Blow out proof stem with snap ring retention system ensures pressure safety
- Live loaded packing system suitable for fugitive emission, high temperature and firesafe services