China Industrial Valve Seal Kits Manufacturer Provides Low-Emission Valves and High-Performance Packing & Seal Materials to Meet Advanced Industry Standards.This Fluorine Lined Gate Valve Factory specializes in producing high-quality gate valves built to API 600 standards. Constructed with robust ASTM A216 WCB bodies, these valves are internally lined with PFA, PTFE, or FEP to ensure exceptional chemical resistance and low friction performance. Offered in DN65 (2-1/2 inch) size with a PN16 pressure rating and Class 150 LB designation, they feature raised face (RF) flanged ends for secure and reliable connections. Handwheel-operated for precise flow control, these valves are ideal for demanding industrial applications that require durable, corrosion-resistant solutions.