Specification
ASME NB Certified: Air, Steam & Water
Sizes 1" x 2" to 20" x 24" . Effective orifice areas from 0.110 to 159 square inches. Pressures from 15 psig to 6000 psig. Temperature range of -450 ° F to + 1500 ° F. Steel body and bonnet with stainless steel trim. Optional Balanced Bellows design isolates working parts and top-works from fouling or corrosive service and nullifies the effects of back pressure on valve performance. The " D" to " T" orifices meet API standard 526 covering orifice areas and center to face dimensions. Super capacity types range from " W" ( 57.26 square inches) to " Z" ( 159 square inches) orifices and have a maximum set pressure limit of 300 psig. Optional materials of construction include complete 316 stainless steel, Monel, and Hastelloy C. Also available with materials in compliance with NACE standards. Higher temperature models use chrome moly body and bonnet. Optional " O" ring elastomer seat available for maximum tightness. Applications: Air, steam, gas, vapor, and liquid process applications.
