Installation and Maintenance Instructions | Manufacturer of High-Quality Dual Plate Check Valves | Taiwan Valve Centre Co., Ltd.

Installation & Maintenance Guides Step-by-step instructions for correct valve orientation, flange torque values, installation clearance requirements (6–8 pipe diameters upstream), and periodic inspection schedules. Installation guides are available in both English and Chinese. Request copies through the contact form on this page. Quality Certificates (Available on Request) The following certificates are available for vendor qualification and incoming inspection purposes. Contact our sales team to receive official copies: • ISO 9001 Quality Management System Certificate • CE Certificate — PED 2014/68/EU Module H • TÜV Rheinland Technical Verification • API 598 Hydrostatic Test Reports (issued per order) • TAF Third-Party Notarization Certificate • D-U-N-S Business Credit Registration TVCCL, TAIWAN VALVE is a Taiwan high-quality Dual Plate Wafer Check Valve, Dual Plate Check Valve, Wafer Check Valve, Duo Check Valve, Double Door Check Valve, Non Return Valves, Non Slam Non Return Valves manufacturer, Has more than 25 years of experience specializing in the manufacture of check valves, the main products are Check Valve, Butterfly Valves, Y Type, Ball Valve, Gate Valve, Knife Gate Valve, etc. since 1998.