Flowserve Gearex Rotary Gear Pumps External and Internal Bearing - Manual (Page 19)

EXTERNAL GEAREX USER INSTRUCTIONS ENGLISH 71569246 (2167B-E1)
Page 19 of 36
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MODEL INTERNAL EXTERNAL
SUCTION SIZE (STD.) 4" - 150# FLANGED
DISCHARGE SIZE (STD.) 4" - 150# FLANGED
OPERATING CLEARANCES (STD.) mm (in.) 0.18 – 0.23 (0.007 - 0.009)
PUMP 136 (300) 143 (315) WEIGHTS
kg (lb)
ROT. ELEMENT 23.1 (51.0) 24.0 (53.0)
SHAFT DIA. AT COUPLING mm (in.) 38.10 (1.500) 34.92 (1.375)
SHAFT DIA. AT ST. BOX mm (in.) 38.10 (1.500) 44.45 (1.750)
BORE mm (in.) 50.80 (2.000) 63.50 (2.500) STUFFING
BOX
DEPTH mm (in.) 44.4 (1.75) 60.45 (2.38)
NO. OF STUFFING BOXES 1 4
SIZE mm SQ. (in. SQ.) 6.3 (1/4) 9.5 (3/8)
PACKING
NO. OF RINGS 7 24
FRONT NDH A5208TS MCGILL MR-28/MI-23
BEARINGS
REAR TIMKEN 26885/26820 SKF 5207
BRACKETS N/A J.M. 9854LUP
OIL SEALS
FRONT COVER N/A J.M. 15099LUP
FRONT L (qt) N/A 0.24 (0.25)
SIZE D-2
APPROX.
OIL FILL
REAR L (qt) N/A 0.47 (0.50)