BODY BONNET CONNECTION
Bolted Bonnet Design from Class 150 to 600, Pressure Seal Deign for Class 900 & Above
Flexible wedge for improved seating ease of operation, especially in high temperature service, wedges are accurately guided through the entire stroke.
Stem is non-rotating part. Stems made from one piece and ACME threaded and smooth machined with surface finish to maximize packing seal for low fugitive emissions.
Seat faces lapped for smooth finish and superior sealing. Optional renewable threaded seat or welded seats are as per customer specification.
All our gate valve have back seat design, carbon steel valves is fitted with removable back seat. For stainless steel integral machined with bonnet.
Stainless steel + flexible graphite spiral wounded gasket is used for 150 to 600 class, ring joint gasket is also optional for class 600 valves, for class 900 and above pressure seal design is used.