
Heavy-Duty 12" ANSI 300# Serrated RF Flange Sandwich Valve. Bi-Directional Installation: Designed for bi-directional installation to ensure flexible pipeline integration. Wide Size Range: Available in sizes from 4 inches to 48 inches to fit various pipeline needs. Multiple Pressure Ratings: Supports ANSI Class 150, 300, 400, and 600 for diverse pressure requirements. Durable Carbon Steel: Constructed from Q345B or Q345R carbon steel for high strength and longevity. Built-in Pressure Equalization: Features an integrated pressure equalization valve for safe operation. Flexible Operation Modes: Offers both manual operation for smaller sizes and hydraulic for larger ones. Lock-O-Ring Compatibility: Specifically designed to fit Lock-O-Ring flanges for hot tapping and plugging. Comprehensive Warranty: Includes a three-year warranty covering product quality defects.