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Retainerless Dual Disc /
DR Retainerless

Design Features

· Retainerless design meets industry fugitive emissions control requirements. This design eliminates the potential leak path to atmosphere associated with competitors’ valves with threaded retaining plugs.

· Available in wafer, lug and double flanged body styles.

· Suitable for installation between RF or RTJ (Optional) flanges.

· Valve sizes 6” and larger are supplied with a valve lifting lug.

· Upper and lower stainless steel thrust washers are standard.

· Available with resilient or metal-to-metal seats.

· Seat design lifts then swings disc to minimize seat wear.

· Discs are equipped with shock bumpers to minimize stress in hinge pins.

· Body meets ASME B16.34 and API 598.

DR Retainerless

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