Flowserve Twin Screw Rotary - Manual (Page 15)

TWIN SCREW PUMPS. ORIGINAL USER INSTRUCTIONS. ENGLISH. 71569243 – 07/10
Page 12 of 53
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PUMP SIZE ND
MODEL INTERNAL BEARING EXTERNAL BEARING
SHAFT/SCREW DESIGN PINNED INTEGRAL PINNED INTEGRAL
SUCTION SIZE (STD) 3” 150# FLANGED
DISCHARGE SIZE (STD) 2 ½” 150# FLANGED
CLEARANCES (STD) 13/.28 mm (.005/.011”)
PUMP 125 (275) 125 (275) 204 (450) 204 (450)
WEIGHTS
KG(LBS)
ROT ELEMENT 24.9 (55) 24.9 (55) 34 (75) 34 (75)
MOMENT OF INERTIA (LBS/IN2) 51 51 60 60
SHAFT DIA @ COUPLING 27 mm (1.0625”) 27 mm (1.0625”) 27 mm (1.0625”) 30.2 mm (1.1875”)
SHAFT DIA @ ST BOX 28.6 mm (1.125”) 28.6 mm (1.125”) 31.8 mm (1.250”) 44.5 mm (1.750”)
BORE 41.3 mm (1.625”) 41.3 mm (1.625”) 44.5 mm (1.750”) 57.2 mm (2.250”)
STUFFING
BOX
DEPTH 57.2 mm (2.250”) 57.2 mm (2.250”) 63.5 mm (2.500”) 63.5 mm (2.500”)
NO OF STUFF BOXES 1 1 4 4
SIZE 6.4 MM (1/4”) sq 6.4 MM (1/4”) sq 6.4 MM (1/4”) sq 6.4 MM (1/4”) sq
PACKING
NO OF RINGS 9 9 36 36
TIMING GEAR HSG N/A N/A 1.25 L 1.25 L
APPROX.
OIL FILL
BEARING HSG SEE
NOTE 1
N/A N/A 0.12 L 0.12 L
PUMP SIZE NE
MODEL INTERNAL BEARING EXTERNAL BEARING
SHAFT/SCREW DESIGN PINNED INTEGRAL PINNED INTEGRAL
SUCTION SIZE (STD) 4” 150# FLANGED
DISCHARGE SIZE (STD) 3” 300# FLANGED
CLEARANCES (STD) .15/.30 mm (.006/.012”)
PUMP 227 (500) 227 (500) 272 (600) 272 (600)
WEIGHTS
KG(LBS)
ROT ELEMENT 38.5 (85) 38.5 (85) 45.4 (100) 45.4 (100)
MOMENT OF INERTIA (LBS/IN2) 100 100 110 110
SHAFT DIA @ COUPLING 30.2 mm (1.1875) 41.3 mm (1.625) 30.2 mm (1.1875) 36.5 mm (1.4375)
SHAFT DIA @ ST BOX 31.2 mm (1.250) 41.3 mm (1.625) 37.3 mm (1.469) 50.8 mm (2.000)
BORE 44.5 mm (1.750) 54 mm (2.125) 50 mm (1.969) 54 mm (2.125)
STUFFING
BOX
DEPTH 57.2 mm (2.250) 57.2 mm (2.250) 57.2 mm (2.250) 57.2 mm (2.250)
NO OF STUFF BOXES 1 1 4 4
SIZE 6.4 MM (1/4”) sq 6.4 MM (1/4”) sq 6.4 MM (1/4”) sq 6.4 MM (1/4”) sq
PACKING
NO OF RINGS 9 7 24 24
TIMING GEAR HSG N/A N/A 1.5 L 1.5 L
APPROX.
OIL FILL
BEARING HSG SEE
NOTE 1
N/A N/A 0.25 L 0.25 L