Expanding Gate Valve: Hi-Temp

Description

The M&J Valves Model EG expanding gate valve is a full bore valve with rising stem and parallel expanding gate and segment. This design has been used successfully in geothermal and other high temp applications around the world including wellhead master, flow-line and casing outlet valves. Built to provide increased reliability and ease of maintenance, the Model EG is readily available in common sizes and pressure ratings with trims used in the geothermal industry. These valves are manufactured and tested per API-6D.

The M & J Valves Model EG-NR expanding gate valve has a non-rising stem providing a compact design that is perfect for casing side outlets. The model EG-NR has many of the same features as the rising stem Model EG. It is manufactured and tested per API-6A and is available in 2", 3", and 4" bores tested to either 2000 psi or 3000 psi with geothermal trim.

• Offered in rising and non-rising stem models
• Expanding gate forms tight positive mechanical seal
• Double block and bleed capabilities
• Seals at low and high line pressure
• Seat faces are outside the flow stream in the fully open or closed position considerably extending seal life
• Sealant injection fittings available for emergency situations
• Bonnet to body and yoke tube to bonnet connection secured by dual seal
• Rupture Disc provides leak free protection against thermal expansion