Flowserve Gearex Rotary Gear Pumps External and Internal Bearing - Manual (Page 13)

EXTERNAL GEAREX USER INSTRUCTIONS ENGLISH 71569246 (2167B-E1)
Page 13 of 36
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TABLE OF ENGINEERING DATA
MODEL INTERNAL EXTERNAL
SUCTION SIZE (STD.) 1-1/2 NPT
DISCHARGE SIZE (STD.) 1-1/2 NPT
OPERATING CLEARANCES (STD.) mm (in.) 0.1 – 0.15 (0.004 - 0.006)
PUMP 25 (55) 43 (95) WEIGHTS
kg (lb)
ROT. ELEMENT 2.7 (6.0) 4.53 (10.0)
SHAFT DIA. AT COUPLING mm (in.) 19.0 (0.750) 19.0 (0.750)
SHAFT DIA. AT ST. BOX mm (in.) 19.0 (0.750) 25.40 (1.000)
BORE mm (in.) 34.92 (1.375) 38.10 (1.500) STUFFING
BOX
DEPTH mm (in.) 42.7 (1.68) 38.1 (1.50)
NO. OF STUFFING BOXES 1 4
SIZE mm SQ. (in. SQ.) 7.9 (5/16) 6.3 (1/4)
PACKING
NO OF RINGS 5 24
FRONT MCGILL MR-16 MCGILL MR-16
MCGILL MR-16 BEARINGS
REAR
TIMKEN 11590/11520 SKF 5203
BRACKETS N/A NAT. 410120
OIL SEALS
FRONT COVER N/A NAT. 509775
FRONT L (qt) N/A 0.09 (0.1)
SIZE B-1
APPROX.
OIL FILL
REAR L (qt) N/A 0.2 (0.2)