MANUFACTURING
Keystone™ K-LOK ® Series 38 High Performance Butterfly Valve Package
modern double-acting or single-acting rack & pinion actuators meet basic requirements such as ISO5211 and VDI / VDE3845 NAMUR interfaces , significant quality differences exist . High-performance butterfly valves in critical applications require equally high-quality actuators . Key features of such actuators include cast housings , standardized corrosion resistance against salt spray ( e . g . ISO12944 C5M-High Durability ) ensuring over 1,000 hours of protection and pinions made from durable materials like aircraft-grade aluminums . To optimize system performance , it is advisable to source pneumatically actuated high-performance valves and accessories from suppliers offering comprehensive valve instrumentation and control solutions . These may include filter regulators , volume boosters , pressure relief valves , solenoid valves and piston valves . Electro-pneumatic positioners , particularly smart positioners , offer significant advantages in valve automation . These devices enable more precise control , allowing systems to operate closer to target values and thereby improving product quality . Additionally , smart positioners can detect potential issues early , facilitating proactive maintenance and reducing the risk of unexpected failures .
Engineered valve solutions
Even as cost pressures increase , safety , expertise , longevity and a comprehensive portfolio of solutions remain top priorities in valve technology . Brands with decades of established development and leading expert knowledge continue to hold a competitive advantage . For chemical applications , the ideal choice often involves a pneumatically automated valve package specially designed to meet industry requirements ( NE 167 ). The high-performance butterfly valve family discussed has 75 years of successful experience , evolving alongside current chemical market needs . This development has yielded significant advantages , such as stem bearings that protect the stem packing from lateral forces , and a torsionally rigid disc-shaft connection with tangential pinning that sets new standards for service life . Combined with technology-independent actuator selection and automation accessories from a single source , this package offers an optimal solution for chemical applications .
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