Description
Valmet Flow control Butterfly valves Jamesbury™ Wafer-Sphere™ butterfly valve, series 800 -Wafer-Sphere resilient seated butterfly valve
Key Technical Specifications:
| Series | 800 series (Model D) | 800 series |
| Size range | 3″ – 12″ (excluding 5″) | 2 ½” – 60” |
| Design | Wafer, lug and double flanged | Wafer or lug |
| Maximum temperature | +260 °C / +500 °F | +260 °C / +500 °F |
| Pressure rating | ASME Class 150 – 300/ PN 10 – 40 | ASME Class 150, 300 & 600 |
| Materials | Carbon steel, Stainless steel, Monel | Carbon steel, Stainless steel, Monel, Hastelloy C |
Why choose Jamesbury™ Wafer-Sphere™ butterfly valve , series 800?
The Jamesbury™ Wafer-Sphere™ series 800 is a high-performance butterfly valve designed for superior sealing, durability , and efficiency. Its unique design provides tight shut-off , excellent control , and long service life in demanding applications.
Typical applications
Oil & gas , chemical , and petrochemical processes
Pulp and paper production
Power generation cooling and steam systems
Water and wastewater treatment
Marine and offshore services
Additional features
High-performance seat design for zero-leakage shut-off
Wide temperature and pressure range compatibility
Low torque operation for reduced actuator size and cost
Robust body construction for high cycle life
Available in a variety of materials to suit process conditions
