Neotecha Manuals

Neotecha NTB-NTC Ball Valve Installation and Maintenance Instructions

These installation and maintenance instructions describe the Neotecha NTB-NTC ball valve, an airtight shut-off industrial valve used for isolating, throttling and regulating corrosive gases, liquids, pastes and powders in pipes, vessels and equipment. The body parts and the surfaces of the ball or C-shaped core that contact the medium are PFA-coated, and the seat and control orifice plates are available in various materials to suit the medium. Nominal sizes cover DIN-PN 16 and JIS 10K DN 15 to DN 150 and ANSI 150 lbs ½" to 6", with a pressure range of 16 bar (0.1 mbar vacuum) and a temperature range of -40 °C to 180 °C.

The document covers general safety information and potential hazards, requirements for operating personnel, transport and storage conditions, valve marking, installation in pipelines, installation options and body variants, plus step-by-step valve installation with flange dimensions and recommended tightening torques for DIN-PN 16, ANSI B 16.10 150 lbs and JIS-10K flanges. It also includes the pressure-temperature diagram, face-to-face dimensions and notes on the NTC control valve. This manual is written in Chinese.

Covers: General information on the installation and maintenance instructions · Safety and correct use · Pressure-temperature diagram · Hazards from chemical, mechanical, electrical and thermal effects · Requirements for operating personnel · Transport and storage