The Model ES-665-HF high-performance thief hatches is a step forward in thief hatch performance, engineered to provide higher flow capacity and designed with sealing technology to provide a higher level of protection against thief hatch product leakage and fugitive emissions.

Pressure Settings

6, 8, 12 and 16 oz./sq. in.

Vacuum Settings

0.4, 0.9 and 3.5 oz/sq in

Bolt Pattern

8 in. API

Construction

Casting: Aluminum (non-sparking)
Pressure Gasket: HNBR (standard), Viton and Fluorosilicone
Vacuum Gasket: Fluorosilicone (standard) and Viton
Optional Equipment: Base Gasket, Bolt Set and Non-Corrosive Coating