Flowserve Twin Screw Rotary - Manual (Page 46)

TWIN SCREW PUMPS. ORIGINAL USER INSTRUCTIONS. ENGLISH. 71569243 – 07/10
Page 43 of 53
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Pump Size Centre distance (inch)
NA 1.688
NB 1.875
NC 2.375
ND 2.563
NE 2.875
NF 3.375
NG,NFX 3.750
NH 4.125
NI,NII,NIM 4.500
NIJ 5.625
NJ 6.250
NL 6.250
NLX 7.000
NM 6.625
NP 8.250
Figure 10: Standard centre distance between drive and driven shafts