Flowserve Twin Screw Rotary - Manual (Page 16)

TWIN SCREW PUMPS. ORIGINAL USER INSTRUCTIONS. ENGLISH. 71569243 – 07/10
Page 13 of 53
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PUMP SIZE NF
MODEL INTERNAL BEARING EXTERNAL BEARING
SHAFT/SCREW DESIGN PINNED INTEGRAL PINNED INTEGRAL (RTG)
SUCTION SIZE (STD) 5” 150# FLANGED
DISCHARGE SIZE (STD) 4” 300# FLANGED
CLEARANCES (STD) .15/.30 mm (.006/.012”)
PUMP 318 (700) 318 (700) 408 (900) 408 (900)
WEIGHTS
KG(LBS)
ROT ELEMENT 64 (140) 64 (140) 75 (165) 75 (165)
MOMENT OF INERTIA (LBS/IN2) 225 225 245 245
SHAFT DIA @ COUPLING 41.3 mm (1.625”) 44.5 mm (1.750”) 41.3 mm (1.625”) 41.3 mm (1.625”)
SHAFT DIA @ ST BOX 44.5 mm (1.750”) 44.5 mm (1.750”) 47.6 mm (1.875”) 60.3 mm (2.375”)
BORE 66.7 mm (2.625”) 66.7 mm (2.625”) 66.7 mm (2.625”) 79.4 mm (3.125”)
STUFFING
BOX
DEPTH 66.7 mm (2.625”) 66.7 mm (2.625”) 60.3 mm (2.375”) 60.3 mm (2.375”)
NO OF STUFF BOXES 1 1 4 4
SIZE
11.1 mm (7/16)
sq
11.1 mm (7/16) sq 9.5 mm (3/8”) sq 9.5 mm (3/8”) sq
PACKING
NO OF RINGS 6 6 24 24
TIMING GEAR HSG N/A N/A 2.5 L 2.5 L
APPROX.
OIL FILL
BEARING HSG SEE
NOTE 1
N/A N/A 0.5 L 0.5 L
PUMP SIZE NFX
MODEL INTERNAL BEARING EXTERNAL BEARING
SHAFT/SCREW DESIGN PINNED INTEGRAL PINNED INTEGRAL
SUCTION SIZE (STD) 5” 150# FLANGED
DISCHARGE SIZE (STD) 4” 300# FLANGED
CLEARANCES (STD) .15/.30 mm (.006/.012”)
PUMP 324 (714) 324 (714) 416 (917) 416 (917)
WEIGHTS
KG(LBS)
ROT ELEMENT 69.9 (154) 69.9 (154) 82.6 (182) 82.6 (182)
MOMENT OF INERTIA (LBS/IN2) 247 247 270 270
SHAFT DIA @ COUPLING 41.3 mm (1.625”) 44.5 mm (1.750”) 41.3 mm (1.625”) 41.3 mm (1.625”)
SHAFT DIA @ ST BOX 44.5 mm (1.750”) 44.5 mm (1.750”) 47.6 mm (1.875”) 60.3 mm (2.375”)
BORE 66.7 mm (2.625”) 66.7 mm (2.625”) 66.7 mm (2.625”) 79.4 mm (3.125”)
STUFFING
BOX
DEPTH 66.7 mm (2.625”) 66.7 mm (2.625”) 60.3 mm (2.375”) 60.3 mm (2.375”)
NO OF STUFF BOXES 1 1 4 4
SIZE
11.1 mm (7/16)
sq
11.1 mm (7/16) sq 9.5 mm (3/8”) sq 9.5 mm (3/8”) sq
PACKING
NO OF RINGS 6 6 24 24
TIMING GEAR HSG N/A N/A 2.5 L 2.5 L
APPROX.
OIL FILL
BEARING HSG SEE
NOTE 1
N/A N/A 0.5 L 0.5 L