Industrial Pumps and Special Pumps Index

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Scaled drawings for B-series

1.1

Chart

Gear rotor
size Ø		 Discharge l/h a1 a2 a3 b1 c1 c2 c3 c4 c5 c6 c7 c8 d1
1400 min -1 2800 min -1
25 45 – 160 90 – 320 35,5 20 33 51 41,5 14 16 40 20 55,5 76 131,5 12
38 150 – 600 300 – 1200 43 26,5 38 70 55,5 14 16 40 20 69,5 76 145,5 12
56 1000 – 2000               –   48,5 38 45 96 71,5 15 18 79 27 86,5 124 210,5 18
75 3000 – 6000               – 64,5 83 70 115 129,5 18 25 65 37 147,5 127 274,5 22
Gear rotorsize Ø Discharge l/h sw e d2 d3 e1 e2 f2 f3 f4 g1 h1 h2 h3
1400 min -1 2800 min -1
25 45 – 160 90 – 320 27 31,2 54   80 G 3/8“   71 16,5   38   92 43 11 13 13
38 150 – 600 300 – 1200 27 31,2 54   80 G 1/2“   82 19   44   92 43 11 13 13
56 1000 – 2000               – 46 53,1 60 100 G 3/4“ 112 22,5   67 120 65 13 13 25
75 3000 – 6000               – 55 63,5 80 120 G 1 1/2“ 170 35 100 150 90 14,5 15 –

Given a motive force of 56, the vacuum gauge and manometer connection is G 1/4″ at the face.

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