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Cimberio CIM 747 Technical Data Sheet

Cimberio CIM 747 Technical Data Sheet

Fixed orifice balancing valve

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TECHNICAL DATA SHEET
FIXED ORIFICE
BALANCING VALVE
747
PN 25
Main features:
Technical data:
Approved by*:
Cav. Uff. Giacomo Cimberio S.p.A.
Cim 747 is used for balancing the flow in cooling, heating and domestic water systems.
Cim 747 is a combined manual presetting valve with following features:
• Fixed measurement orifice;
• Supplied with 2 pcs. of measuring nipples for needles;
• Handwheel with shut-off function and clear 360° reading;
• Digital scale with lock function;
• Measuring accuracy of fixed orifice ± 5%.
It is supplied with internal thread.
It is made of standard brass, "CR" brass ("CR" - Corrosion Resistant) and "NL" brass ("NL" -
No lead).
This article is made in compliance with the quality management requirements of ISO
9001:2008 standard.
All articles are tested according to the EN 12266-1:2003 standard.
It can be used in a wide variety of sectors: heating, air conditioning, water, sanitary systems
and generally with any non corrosive liquid.
Max. static working pressure
Max. flow temperature
Min. temperature
Fluids:
Material of parts in contact with water:
Materials:
O-rings:
Threads:
technological solutions
25 bar
120 °C - 150°C (Cim 747OTS)
-10°C
Water and Glycol
Valve body;
Spindle;
Cone, etc.
"CR"Brass (EN 1982-CC752S)
Standard Brass (EN 1982-CC754S)
"NL" Brass (EN 1982-CC752S low lead)
EPDM Perox
ISO 7
*Cim 747
1

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Summary of Contents for Cimberio CIM 747

  • Page 1 BALANCING VALVE PN 25 Main features: Cim 747 is used for balancing the flow in cooling, heating and domestic water systems. Cim 747 is a combined manual presetting valve with following features: • Fixed measurement orifice; • Supplied with 2 pcs. of measuring nipples for needles;...
  • Page 2 TECHNICAL DATA SHEET Models: Cim 747 - Balancing valve - Fixed orifice - PN 25 - “CR” Brass Material Thread Technical Code 1/2” Rp 0.515 ÷ 1.75 1.80 DA02771015 3/4” Rp 0.842 ÷ 3.77 4.10 DA02771020 1” Rp 0.943 ÷...
  • Page 3: Technical Data Sheet

    DA02995018 22x22 0.842 ÷ 3.77 4.10 DA02995022 CR Brass 28x28 0.943 ÷ 6.96 7.50 DA02995028 EN 1982-CC752S 35x35 1.316 ÷ 15.83 16.60 DA02995035 42x42 2.22 ÷ 21.05 23.00 DA02995042 54x54 2.51 ÷ 43.90 47.40 DA02995054 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 4: Installation Procedure

    21. Red binder point Installation procedure: Before installation of Cim 747, check that inside the valve and the pipes there are no foreign matters which might damage the tightness of the valve. When installing the valve, please make sure to have a pipe length 5 times the DN upstream the valve and 2 times the DN downstream, and pay attention to the arrow direction casted on the valve body, which shall be the same as the flow one.
  • Page 5 Water and glycol 10% 1.012 Water and glycol 20% 1.028 where: Water and glycol 30% 1.040 r is the relative density, Q is the flow rate in m Water and glycol 40% 1.054 Water and glycol 50% 1.067 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 6 10 kPa. Measuring the pressure drop across the binders of the Cim 747 DN 32, the operator will find this value: Example...
  • Page 7: Measurement Conversion Chart

    , cubic metres cubic inches 16,38706 , cubic centimetres DIVIDE BY TO OBTAIN FROM cubic feet 28,31685 l, litres gallons 3,875412 l, litres Pressure-temperature ratings: DIVIDE BY TO OBTAIN FROM [lbf/in ] Cim 747OTS only [bar] Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 8 1.324 1.350 1.376 1.402 1.428 1.454 1.473 1.491 1.510 1.528 1.547 1.565 1.583 1.602 1.620 1.639 1.647 1.656 1.664 1.672 1.681 1.689 1.698 1.706 1.715 1.723 1.726 1.729 1.732 1.735 1.738 1.741 1.744 1.747 1.750 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 9 2.871 2.938 3.005 3.072 3.139 3.179 3.220 3.261 3.301 3.342 3.382 3.423 3.464 3.504 3.545 3.559 3.574 3.588 3.602 3.616 3.631 3.645 3.659 3.674 3.688 3.696 3.705 3.713 3.722 3.730 3.738 3.747 3.755 3.764 3.772 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 10 4.376 4.528 4.681 4.833 4.985 5.099 5.213 5.327 5.441 5.554 5.668 5.782 5.896 6.010 6.124 6.183 6.241 6.300 6.358 6.417 6.476 6.534 6.593 6.651 6.710 6.735 6.761 6.786 6.811 6.837 6.862 6.887 6.913 6.938 6.963 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 11 7.810 8.150 8.490 8.831 9.171 9.484 9.797 10.110 10.423 10.736 11.048 11.361 11.674 11.987 12.300 12.526 12.752 12.978 13.204 13.430 13.656 13.882 14.108 14.334 14.560 14.687 14.814 14.941 15.068 15.195 15.322 15.449 15.576 15.703 15.830 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 12 11.464 11.898 12.332 12.766 13.200 13.523 13.846 14.169 14.492 14.815 15.138 15.461 15.784 16.107 16.430 16.717 17.004 17.291 17.578 17.865 18.152 18.439 18.726 19.013 19.300 19.475 19.650 19.825 20.000 20.175 20.350 20.525 20.700 20.875 21.050 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 13 22.544 23.468 24.392 25.316 26.240 27.063 27.886 28.709 29.532 30.355 31.178 32.001 32.824 33.647 34.470 35.048 35.626 36.204 36.782 37.360 37.938 38.516 39.094 39.672 40.250 40.615 40.980 41.345 41.710 42.075 42.440 42.805 43.170 43.535 43.900 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 14 1.83 1.88 1.92 1.97 2.00 2.04 2.08 2.13 2.18 2.23 2.28 2.32 2.37 2.40 2.44 2.48 2.52 2.55 2.59 2.62 2.67 2.71 2.75 2.79 2.82 2.91 2.94 2.99 3.02 3.06 3.08 3.11 3.15 3.18 3.19 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 15 3.52 3.62 3.72 3.77 3.88 3.96 4.06 4.17 4.25 4.35 4.44 4.54 4.61 4.69 4.74 4.80 4.88 4.94 5.02 5.10 5.17 5.24 5.29 5.31 5.34 5.37 5.43 5.44 5.49 5.54 5.57 5.60 5.63 5.64 5.66 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 16 4.69 4.88 5.10 5.34 5.51 5.74 5.97 6.25 6.52 6.79 7.08 7.33 7.56 7.81 8.05 8.23 8.42 8.64 8.82 9.16 9.38 9.52 9.77 9.90 10.00 10.15 10.24 10.37 10.55 10.68 10.79 10.96 11.03 11.06 11.10 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 17 7.81 8.11 8.48 8.84 9.27 9.67 10.00 10.45 10.86 11.23 11.65 12.02 12.44 12.75 13.16 13.48 13.84 14.21 14.49 14.85 15.15 15.30 15.65 15.87 16.22 16.41 16.63 16.88 17.15 17.36 17.49 17.75 17.80 17.89 18.01 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 18 11.92 12.46 12.95 13.37 13.91 14.36 14.86 15.38 15.88 16.40 16.87 17.65 18.36 18.92 18.96 19.48 19.81 20.30 20.77 21.22 21.78 22.34 22.80 23.29 23.73 24.03 24.53 24.83 25.30 25.78 26.23 26.59 27.12 27.41 27.81 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 19 22.50 23.41 14.33 25.30 26.28 27.21 28.19 29.28 30.21 31.13 32.00 33.05 33.94 34.84 35.80 36.09 36.66 37.52 38.41 39.42 40.12 40.83 41.46 42.16 42.77 43.37 44.04 44.52 45.15 45.83 46.33 46.93 47.39 47.75 48.01 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 20 1140 1660 2500 3740 141.5 190.5 208.5 281.5 16.5 Main dimensions: Cim 747PRS Cim 747OTPRS Cim 745PRS Cim 748PRS 15x15 18x18 22x22 28x28 35x35 42x42 50x50 Grms. 1175 1200 1480 2145 3090 4760 39.8 41.3 Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 21: Maintenance

    • Close the valve completely by turning the handle clockwise; • When the valve is closed, the index scale (6) shall be placed with the “0” value in cor- respondence with the sign marked on the reference ring (5). Cav. Uff. Giacomo Cimberio S.p.A.
  • Page 22 : c i m b e r i o s k 1 , c i m b e r i o s k 2 info@cimberio.it www.cimberio.com © Copyright - Cav. Uff. GIACOMO CIMBERIO S.p.A. - All rights reserved. Tutti i diritti riservati. IMR 562637 FM 01820...