Keystone Figure 627

The Keystone Figure 627 Butterfly Valve, engineered by Emerson, is a rugged, high-performance resilient-seated valve designed for on/off and throttling service in a wide range of industrial and marine applications. Built to deliver reliable shutoff, smooth operation, and long service life, the Figure 627 is part of Emerson’s proven Keystone series — known worldwide for durability, ease of maintenance, and versatility. Featuring a wafer-style body and centrally mounted disc, the Keystone 627 ensures tight sealing in both directions, even under demanding process conditions. Its resilient seat design provides bubble-tight shutoff with minimal torque requirements, making it suitable for water, air, gas, oil, and light chemical services. The valve’s robust stem and disc interface guarantees precise alignment, while the replaceable seat reduces maintenance costs and downtime. Available with a wide range of manual, pneumatic, and electric actuators, the Keystone Figure 627 can be easily automated and integrated into process control systems, delivering efficient performance and dependable sealing across diverse industries.

Feature of Keystone Figure 627

• Suitable for on/off and modulating service.
• Face to face is in accordance with ISO 5752, AS 4795 and EN558-1 Series 13 double flange butterfly& valves.
• Epoxy back seat ensures no corrosion behind the seating area.
• Dovetail seat locking construction eliminates the need for seat retaining mechanisms that can loosen and corrode.
• Subject to size and damage, the seat can be repaired in the field and in certain cases, repaired from outside the valve without disassembly from the main line.
• All iron parts are fusion bonded epoxy coated for corrosion resistance and long life.
• Lifting lugs and foot mounting points are integral to the body for easy transportation.
• Fully rated bi-directional design.
• Top plates are in compliance to ISO 5211, for mounting actuators.
• Disc connection to shaft is by blind bolting eliminating potential leak paths.
• Body and disc construction is ductile iron for higher stength and lighter weight.