500 Series - Air & Gas

Technical Data

Number of stage: 1 thru 7
Inlet connection: 18" (460 mm) flange, matches 125# ANSI
Outlet connection: 16" (405 mm) flange, ANSI 125# drilling
Operating speed: 3550 rpm in direct drive (60Hz)
Lubrication: Oil type with constant level
Impeller diameter: 32" (813 mm)
Impeller tip speed: 499 fps (152 m / sec)
Drive: Direct drive or gear box
Vibration tolerance: 1.25 mils peak-to-peak (4.5 mm /s)
Balance piston: From 3 to 6 stages with pipe connection
Shaft end: 2" 9/16 (75mm) diameter,
inlet end drive standard

Materials of Construction

Heads, bearing housings: Cast iron ASTM A-48 Class 35B
Tie rods: 7/8" (22 mm) diameter
cold drawn steel A60
Joint sealing compound: RTV IS502 Silicone
Seals (air): Two graphit rings each end
Seals (gas): Four carbon rings each end
with inert gas injection
Bearing: Ball bearings 6313 C3 per
Shaft: AISI 1038 Carbon steel or equivalent
Impellers: Fabricated aluminium ASTM 6061
Baffle rings: Stainless steel
Motor pedestal : Structural steel
Base pads : Anchor bolts
Noise level: In compliance with OSHA standards
when machine is fully piped
(certified tests available)