31 Series - Air & Gas

Technical Data

Number of stage: 1 thru 9 (cast)
Inlet connection: 6" (152 mm) flange, matches 125# ANSI
Outlet connection: 6" (152 mm) flange, matches 125# ANSI
Operating speed: 3600 rpm in direct drive (60Hz)
Lubrication: Grease lubricated
Impeller diameter: 24" (611 mm)
Impeller tip speed: 437 f/s (133.26 m/s)
Drive: Direct drive or V-belts
Vibration tolerance: 1.25 mils peak-to-peak (4.5 mm /s)
Shaft end: 1" 3/4 (45 mm), inlet end drive standard
 

Materials of Construction

Heads, bearing housings: Cast iron ASTM A-48 Class 35B
or equivalent
Sections: Cast aluminium ASTM 356 or equivalent
(cast iron optional)
Tie rods: 3/4" (19 mm) diameter
cold drawn steel A60
Join 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 6410 C3 THT per AFBMA B10 STANDARD
Shaft: AISI 1038 Carbon Steel or equivalent
Impellers: Cast aluminium ASTM 360 or equivalent
Motor pedestal : Structural steel
Base pads : Korfund Elasto-rib or equivalent
Noise level: In compliance with OSHA standards
when machine is fully piped
(certified tests available)