Danfoss AB-QM DN 40-100 Pressure Independent Control Valves Installation Guide

October 27, 2023
Danfoss

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Danfoss AB-QM DN 40-100 Pressure Independent Control Valves

Overview

Danfoss-AB-QM-DN-40-100-Pressure-Independent-Control-Valves-
FIG- \(1\)

Installation

Danfoss-AB-QM-DN-40-100-Pressure-Independent-Control-
Valves-FIG- \(2\)

Shut off

Danfoss-AB-QM-DN-40-100-Pressure-Independent-Control-Valves-
FIG- \(3\)

Setting

Danfoss-AB-QM-DN-40-100-Pressure-Independent-Control-Valves-FIG-
\(4\)

Resetting

DN 40-100Danfoss-AB-QM-DN-40-100-Pressure-Independent-Control-Valves-FIG-
\(5\)

Locking

DN 40/50

DN 65-100Danfoss-AB-QM-DN-40-100-Pressure-Independent-Control-Valves-FIG-
\(7\)

Measuring

Danfoss-AB-QM-DN-40-100-Pressure-Independent-Control-Valves-
FIG- \(8\)

DN 40 L/h L/s GPM
20% 1,500 0.416 6.6
25% 1,875 0.520 8.3
30% 2,250 0.625 9.9
35% 2,625 0.729 11.6
40% 3,000 0.833 13.2
45% 3,375 0.937 14.9
50% 3,750 1.041 16.5
55% 4,125 1.145 18.2
60% 4,500 1.250 19.8
65% 4,875 1.354 21.5
70% 5,250 1.458 23.1
75% 5625 1.562 24.8
80% 6,000 1.666 26.4
85% 6,375 1.770 28.1
90% 6,750 1.875 29.7
95% 7,125 1.979 31.4
100% 7,500 2.083 33.0
DN 50 L/h L/s GPM
--- --- --- ---
40% 5,000 1.386 22.0
45% 5,625 1.562 24.8
50% 6,250 1.736 27.5
55% 6,875 1.909 30.3
60% 7,500 2.083 33.0
65% 8,125 2.256 35.8
70% 8,750 2.430 38.50
75% 9,375 2.604 41.3
80% 10,000 2.777 44.0
85% 10,625 2.951 46.8
90% 11,250 3.125 49.5
95% 11,875 3.298 52.3
100% 12,500 3.472 55.0
DN 65 Flow High Flow
--- --- ---
L/h L/s GPM L/h
40% 8,000 2.22 35.2
45% 9,000 2.50 39.6
50% 10,000 2.78 44.0
55% 11,000 3.06 48.4
60% 12,000 3.33 52.8
65% 13,000 3.61 57.2
70% 14,000 3.89 61.6
75% 15,000 4.17 66.0
80% 16,000 4.44 70.4
85% 17,000 4.72 74.9
90% 18,000 5.00 79.3
95% 19,000 5.28 83.7
100% 20,000 5.56 88.1

Note: 1 turn = 10%

DN 80 Flow High Flow
L/h L/s GPM
40% 11,200 3.11
45% 12,600 3.50
50% 14,000 3.89
55% 15,400 4.23
60% 16,800 4.67
65% 18,200 5.10
70% 19,600 5.44
75% 21,000 5.83
80% 22,400 6.22
85% 23,800 6.61
90% 25,200 7.00
95% 26,600 7.39
100% 28,000 7.78

Note: 1 turn = 10%

DN 100 Flow High Flow
L/h L/s GPM
40% 15,200 4.22
45% 17,100 4.75
50% 19,000 5.28
55% 20,900 5.81
60% 22,800 6.33
65% 24,700 6.86
70% 26,600 7.39
75% 28,500 7.92
80% 30,400 8.44
85% 32,300 8.97
90% 34,200 9.50
95% 36,100 10.03
100% 38,000 10.56

Note: 1 turn = 10%

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