Sier-Bath Two-Screw
Standards
• Flowserve
• API 682 seal chamber
Operating Parameters
• Flows to 3400 m3/h (15 000 gpm)
• Pressures to 240 bar (3500 psi)
• Temperatures from -50°C (-60°F) to 450°C (850°F)
• Speeds to 1800 rpm
• Viscosities to 200 million ssu
• Slurry concentrations to 70% by weight
• Multiphase pumping to 100% GVF (gas void fractions)
• Positive displacement timed two-screw
• Double suction design
• Versatile API 682 compliant stuffing box design
• Integral or pinned screw elements
• Spur-tooth timing gears
• Chrome-plated pump bores
• Options
– Fully external bearings and timing gears
– Internal bearings and timing gears
– Temperature control packages
– Hopper-top construction
– Vertical barge configuration
– Choice of materials