Product category:
Process and OEM Valves
News Release from: Tyco Flow Controls | Subject: Neotecha type NTB and NTC
Edited by the Engineeringtalk Editorial
Team on 10 February 2004
Valves guarantee no leaks with corrosive
media
Neotecha type NTB and NTC PFA-lined ball valves offer the highest possible resistance to corrosion with the advantage of bubble-tight shutoff.
Neotecha type NTB and NTC PFA-lined ball valves offer the highest possible resistance to corrosion with the advantage of bubble-tight shutoff The PFA-lined Neotecha NTB (standard ball) and NTC (C-ball configuration) valves are ideally suited for acidic or corrosive fluid flow services requiring guaranteed performance, constant torque and minimal maintenance
This article was originally published on Engineeringtalk on 5 Jun 2003 at 8.00am (UK)
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The valves are based on a full-bore design with a high Kv value - offering a flow coefficient equal to that of the pipe.
Energised ball seats allow for a constant operating torque through the service life of the valve and result in a bubble-tight seal.
For particularly demanding applications such as hydrochloric acid (HCl), hydrofluoric acid (HF) and chlorine gas (CL2), Neotecha offers the specially prepared NTC-C1 version, which is supplied sealed in a plastic bag.
The unique body design, coupled with a self-adjusting leak-free stem seal (US patent 4,696,323) make Neotecha NTB and NTC valves suitable for applications across a wide range of industries, including chemical, pharmaceutical, pulp and paper, iron and steel, and water treatment.
Every valve has an ISO5211 mounting flange for simplified actuator mounting.
The hand lever option features positive locking in the open and closed positions for the NTB range, and in six intermediate positions for NTC designs.
The body for both valve configurations is polyester coated (RAL 9002), offering excellent protection against external corrosion and rust.
Available in sizes from 15 to 150mm, Neotecha NTB and NTC ball valves are rated for temperatures of -40 to +210C and pressures from vacuum 0.1mbar to 16bar.
The valves are available with flanged connections to DIN PN16 and ANSI B16.10 and in face-to-face dimensions DIN3202/T1/F1 and ANSI B16.10, allowing the NTB and NTC to easily replace plug and diaphragm valves.
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