The reliability and durability meet even the most stringent health and safety legislation while offering direct savings.
Metso has strengthened the design of its Neles Finetrol rotary control valve to achieve ISO 15848-1 class BH fugitive emission type approval certificate in the most demanding endurance class CH-3 (100 000 mechanical cycles). The new design reduces health and safety risks from gland leakage that can cause serious damage to personnel and the surroundings, particularly when noxious flow media are involved.
Furthermore, direct savings can be achieved due to reduced control variability and lower flow media consumption. Improved control performance will enhance end product quality, decrease valve reversals and reduce energy consumption. Better valve performance and gland-packing tightness mean less maintenance and longer valve life cycle, thereby reducing their associated costs.
The requirements of the ISO 15848-1 class BH emission level constitute a simple, cost-effective way to decrease overall fugitive emissions, which provides a safer process environment and a cleaner atmosphere. The high-performance packing tightness also improves reliability and efficiency while preventing the loss of both raw material and end product.
The approval certificate covers the full 25 to 250 mm size range and ASME #150 and #300 pressure classes. Quarter-turn valve design combined with live-loaded packing is accepted as the most efficient and environment-friendly solution for all control valve applications due to its low fugitive emissions.
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