634 Series Tight-Fill Top-Seal Caps

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Tight-Fill Top-Seal Caps are installed on top-seal adapters, when not in use, to prevent gasoline vapors from escaping and to prevent water, dust and debris from entering the tank.

OPW634TT

The OPW 634TT is designed to mate with 4" 633T, 633TE, 61SA, 633TC, and 633TCP Top-Seal Adaptors. Heavy duty and corrosion resistant, the body is made of Duratuff ^® to help eliminate rust and oxidation for a long, maintenance- free life. The toggle lever distributes downward pressure to compress its Buna-N gasket evenly, assuring a positive, water and vapor-tight seal. The 634TT can be locked with a padlock or wire seal.

OPW 633TE adapter is similar to the 633T, except it does not have internal wrenching lugs.

OPW 634TT – Metal

The 634TT-4000 is a metal top-seal cap with the same dimensions as the 634TT-7085.

634TT

• Cap and links: Duratuff ^®
• Pins: Stainless steel
• Gasket: Nitrile
• Color: Gray