Features:

• Die-cast aluminum case
• Oil-impregnated, self-lubricating bushings
• Molded, convoluted diaphragms for smooth operation and long life
• Rigid, reinforced flag rods for positive alignment and sustained accuracy
• Graphite-filled phenolic valves to minimize wear
• Long-life, low friction, grommet seals
• Single coat polyester primer with high solids polyurethane top coat
• Security seals that indicate tampering