Description
Models: 91 Sizes: 2"- 6"
Typical Service
• Designed for liquids and gases where flow reversal can cause
surge and water hammer.
Features
• Spring closes the disc before flow reversal, preventing surge
and water hammer.
• Mating surfaces of the disc and seat are hand lapped for best
possible sealing.
• Disc is fully guided at top and bottom to insure alignment and
sealing at any installation angle.
• Disc begins to open at .5psi (34.5 kPa).
• Disc opens 1/3" per inch of line size, greater than similar competitive products, for enhanced flow.
Construction
• Compact Wafer design for lightweight and space saving.
• Bodies are designed to accommodate 110% flow of equivalent
pipe size.
• 302SS springs are standard. Many variations in material and
weight are available on specification, consult factory.
• Designed to fit within ANSI bolt circles.
• Variety of trim and seat materials are available.
Typical Service
• Designed for liquids and gases where flow reversal can cause
surge and water hammer.
Features
• Spring closes the disc before flow reversal, preventing surge
and water hammer.
• Mating surfaces of the disc and seat are hand lapped for best
possible sealing.
• Disc is fully guided at top and bottom to insure alignment and
sealing at any installation angle.
• Disc begins to open at .5psi (34.5 kPa).
• Disc opens 1/3" per inch of line size, greater than similar competitive products, for enhanced flow.
Construction
• Compact Wafer design for lightweight and space saving.
• Bodies are designed to accommodate 110% flow of equivalent
pipe size.
• 302SS springs are standard. Many variations in material and
weight are available on specification, consult factory.
• Designed to fit within ANSI bolt circles.
• Variety of trim and seat materials are available.
