Flowserve Twin Screw Rotary - Manual (Page 18)

TWIN SCREW PUMPS. ORIGINAL USER INSTRUCTIONS. ENGLISH. 71569243 – 07/10
Page 15 of 53
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PUMP SIZE NI
MODEL INTERNAL BEARING EXTERNAL BEARING
SHAFT/SCREW DESIGN PINNED INTEGRAL PINNED INTEGRAL
SUCTION SIZE (STD) 8” 150# FLANGED
DISCHARGE SIZE (STD) 6” 300# FLANGED
CLEARANCES (STD) .30/.45 mm (.012/.018”)
PUMP 590 (1300) 590 (1300) 658 (1450) 658 (1450)
WEIGHTS
KG(LBS)
ROT ELEMENT 11.8 (260) 11.8 (260) 136 (300) 136 (300)
MOMENT OF INERTIA (LBS/IN2) 765 765 855 855
SHAFT DIA @ COUPLING 49.2 mm (1.937”) 49.2 mm (1.937”) 52.4 mm (2.062”) 54 mm (2.125”)
SHAFT DIA @ ST BOX 50.8 mm (2.000”) 50.8 mm (2.000”) 57.2 mm (2.250”) 76.2 mm (3.000”)
BORE 69.9 mm (2.750”) 69.9 mm (2.750”) 69.9 mm (2.750”) 95.3 mm (3.750”)
STUFFING
BOX
DEPTH 76.2 mm (3.000”) 76.2 mm (3.000”) 60.3 mm (2.375”) 60.3 mm (2.375”)
NO OF STUFF BOXES 1 1 4 4
SIZE 9.5 mm (3/8”) sq 9.5 mm (3/8”) sq 9.5 mm (3/8”) sq 9.5 mm (3/8”) sq
PACKING
NO OF RINGS 8 8 24 24
TIMING GEAR HSG N/A N/A 3.0 L 3.0 L
APPROX.
OIL FILL
BEARING HSG SEE
NOTE 1
N/A N/A 0.25 L 0.25 L
PUMP SIZE NII
MODEL INTERNAL BEARING EXTERNAL BEARING
SHAFT/SCREW DESIGN PINNED INTEGRAL PINNED INTEGRAL
SUCTION SIZE (STD) 8” 150# FLANGED
DISCHARGE SIZE (STD) 6” 300# FLANGED
CLEARANCES (STD) .30/.45 mm (.012/.018”)
PUMP 692 (1525) 692 (1525) 782 (1725) 782 (1725)
WEIGHTS
KG(LBS)
ROT ELEMENT 141 (310) 141 (310) 159 (350) 159 (350)
MOMENT OF INERTIA (LBS/IN2) 953 953 1043 1043
SHAFT DIA @ COUPLING 49.2 mm (1.937”) 49.2 mm (1.937”) 52.4 mm (2.062”) 54 mm (2.125”)
SHAFT DIA @ ST BOX 50.8 mm (2.000”) 50.8 mm (2.000”) 57.2 mm (2.250”) 76.2 mm (3.000”)
BORE 69.9 mm (2.750”) 69.9 mm (2.750”) 69.9 mm (2.750”) 95.3 mm (3.750”)
STUFFING
BOX
DEPTH 76.2 mm (3.000”) 76.2 mm (3.000”) 60.3 mm (2.375”) 60.3 mm (2.375”)
NO OF STUFF BOXES 1 1 4 4
SIZE 9.5 mm (3/8”) sq 9.5 mm (3/8”) sq 9.5 mm (3/8”) sq 9.5 mm (3/8”) sq
PACKING
NO OF RINGS 8 8 24 24
TIMING GEAR HSG N/A N/A 3.0 L 3.0 L
APPROX.
OIL FILL
BEARING HSG SEE
NOTE 1
N/A N/A 0.25 L 0.25 L