GR Double Helical, Gear
Standards
• Flowserve
Operating Parameters
• Flows to 275 m3/h (1200 gpm)
• Pressures to 35 bar (500 psi)
• Temperatures to 350°C (650°F)
• Speeds to 1800 rpm
• Viscosities to 100 000 ssu
• Double helical, herringbone gears
• Quiet, pulse-free flow
• High speed pump capability
• Between bearing design
• Hydraulically balanced design
• Stuffing box accommodates packing or mechanical seals
• High-capacity, double row roller bearing
• Self-priming
• Run dry capability
• Low NPSHR
• Back pull-out design
• Options
– Mechanical seal
– Direct V-belt drive
– Extra deep jacketed stuffing box
– Jacketed body
– Babbitted carbon sleeve bushing
– INSUROCK wearplates
– Integral safety relief valve
flowserve pump