Constant volume Venturi air valve diagrams - Titus - LIT-12014051 - Valve - Venturi Valve

Titus Venturi Air Valve Installation Guide

Brand
Titus
Product name
Venturi Valve
Document type
Installation Guide
Document number
LIT-12014051
Revision date
2023-04-05
Language
English

The following figures and tables show the Constant Volume Venturi air valve, the Fast Actuated Venturi air valve, and the Venturi CCM valve controller and panel layout.

Figure 1. Constant Volume Venturi air valve
Callout Description
1

Differential pressure pick-up fitting

2 Manual CFM adjustment
3 Differential pressure pick-up fitting
4 Teflon bearing
5 SS316 cone shaft
6 SS316 struts
7 Stainless steel spring
8 Cone assembly
9 Airflow direction
Figure 2. Fast Actuated (FA) Venturi air valve
Callout Description
1

Differential pressure pick-up fitting

2 Linkage
3 Actuator
4 UVM1000
5 Differential pressure pick-up fitting
6 Hall effect position sensor
7 Teflon bearings
8 SS316 cone shaft
9 SS316 struts

The following table lists the components for the Venturi CCM panel. All dimensions are in height x width x depth.

Table 1. Dimensions and weights
Size Ganged valves Weight Valve diameter Valve length (A) Valve height (B) Collar width (C) Collar width (D)
lb kg lb kg in. mm in. mm in. mm in. mm in. mm
8 in. (203 mm) 1 15 7 20 9 7.75 197 23 584 14 356 N/A
10 in. (254 mm) 1 20 9 27 12 9.74 247 26 660 16 406 N/A
2 40 18 54 24 N/A N/A 30 762 17 432 22.63 575 11.44 291
3 60 27 81 37 N/A N/A 30 762 17 432 33.75 857 11.44 291
4 100 45 135 61 N/A N/A 30 762 35 889 22.63 575 22.88 581
6 140 64 189 86 N/A N/A 30 762 35 889 33.75 857 22.88 581
12 in. (305 mm) 1 20 9 27 12 11.68 297 26.8 681 18 457 N/A
2 60 27 81 37 N/A N/A 30.8 782 19 483 26.75 679 13.5 343
3 80 36 108 49 N/A N/A 30.8 782 19 483 40 1016 13.5 343
4 100 45 135 61 N/A N/A 30.8 782 38 965 26.75 679 27 686
6 150 68 203 92 N/A N/A 30.8 782 38 965 40 1016 27 686
14 in. (356 mm) 1 25 11 N/A 13.62 346 30 762 22 559 N/A
2 50 23 N/A N/A 34 864 24 610 32.15 817 16 406
3 75 34 N/A N/A 34 864 24 610 48.3 1227 16 406
4 120 54 N/A N/A 34 864 48 1219 32.15 817 32 813
6 160 73 N/A N/A 34 864 48 1219 48.3 1227 32 813
Table 2. Partially closed (PC) Venturi Valve flow rates
Size Ganged valves Low pressure, minimum 0.3 in. W.C (inches of water column) Medium pressure, minimum 0.6 in. W.C
Minimum flow Maximum flow Minimum flow Maximum flow
CFM CMH CFM CMH CFM CMH CFM CMH
8 in. (203 mm) 1 35 59 500 850 35 59 700 1189
10 in. (254 mm) 1 50 85 550 934 50 85 1000 1699
2 100 170 1100 1869 100 170 2000 3398
3 150 255 1650 2803 150 255 3000 5097
4 200 340 2200 3738 200 340 4000 6796
6 300 510 3300 5607 300 510 6000 10,194
12 in. (305 mm) 1 90 153 1050 1784 90 153 1500 2549
2 180 306 2100 3568 180 306 3000 5097
3 270 459 3150 5352 270 459 4500 7646
4 360 612 4200 7136 360 612 6000 10,194
6 540 917 6300 10,704 540 917 9000 15,291
14 in. (356 mm) 1 175 297 1400 2379 175 297 2100 3568
2 350 595 2800 4757 350 595 4200 7136
3 525 892 4200 7136 525 892 6300 10,704
4 700 1189 5600 9514 700 1189 8400 14,272
6 1050 1784 8400 14,272 1050 1784 12,600 21,408
Table 3. Full shut-off (FS) Venturi Valve flow rates
Size Ganged valves Low pressure, minimum 0.3 in. W.C Medium pressure 0.6 in. W.C
Minimum flow Maximum flow Minimum flow Maximum flow
CFM CMH CFM CMH CFM CMH CFM CMH
8 in. (203 mm) 1 0 0 400 680 0 0 600 1019
10 in. (254 mm) 1 0 0 450 765 0 0 850 1444
2 0 0 900 1529 0 0 1700 2888
3 0 0 1350 2294 0 0 2550 4332
4 0 0 1800 3058 0 0 3400 5777
6 0 0 2700 4587 0 0 5100 8665
12 in. (305 mm) 1 0 0 750 1274 0 0 1100 1869
2 0 0 1500 2549 0 0 2200 3738
3 0 0 2250 3823 0 0 4400 7476
4 0 0 3000 5097 0 0 8800 14,951
6 0 0 4500 7646 0 0 17,600 29,903