Farris 3800

Sizes 1" x 2" to 12" x 16". Orifice areas from 0.110 to 109 square inches. Pressures from 20 psig to 3705 psig. Temperature range of -400 °F to +450 °F. Steel body and bonnet with stainless steel trim. Semi-nozzle design.

The "D" to "T" orifices meet API standard 526 covering orifice areas and centre to face dimensions. Full bore designs available with 1" through 12" inlets and orifice areas from 0.719 to 109 square inches giving maximum capacity for a given inlet size. All stainless snap-acting, non-flowing pilot control minimizes product loss and provides maximum resistance to corrosion.

Standard "O" ring elastomer seat main valve and pilot control minimizes fugitive emissions and allows operation within 95% of set pressure. Materials include Viton?, Buna N, ethylene propylene, silicone and Teflon. Optional materials of construction include complete 316 stainless steel.

Applications: Air, gas, vapour, and liquid services where maximum seat tightness, operating pressures and precise adjustment are required. Excellent for natural gas pipeline and compressor service.