PEX Installation Manual
Table Of Contents
- 1 Introduction
- 2 Codes, Standards and Certifications
- 3 Viega PEX Installation Methods
- 4 Viega Manifolds
- 5 Viega PEX Press Fittings
- 6 Viega PEX Crimp Fittings
- 7 ViegaPEX Ultra Tubing
- 8 Viega FostaPEX Tubing
- 9 Viega PEX System Design and Sizing
- 10 System Sizing and Calculations
- 11 Water Service Installation
- 12 Installing the ManaBloc
- 13 Mounting the ManaBloc
- 14 Installing Manifold Distribution Lines
- 15 Installing the ViegaPEX Ultra Tubing System
- 16 Fastening the Viega PEX System
- 17 Installing Viega PEX Fittings
- 18 Pressure Testing Viega PEX Systems
- 19 System Disinfection
- 20 Warranty
IM-PF 724596 0416
22
10.3 ViegaPEX Ultra tubing
10.3.1 Flow Velocity Table
Flow Velocity ft/sec
Flow Rate
GPM
⅜ ½ ¾ 1 1¼ 1½ 2
0.5 1.7 0.9
Velocity < 0.5 ft/sec0.75 2.5 1.4 0.7
1.0 3.3 1.8 0.9 0.5
1.5 5.0 2.7 1.4 0.8 0.6
2.0 6.7 3.6 1.8 1.1 0.7 0.5
2.5 8.3 4.5 2.3 1.4 0.9 0.7
3.0 10.0 5.4 2.7 1.6 1.1 0.8
3.5 6.3 3.2 1.9 1.3 0.9 0.5
4.0 7.2 3.6 2.2 1.5 1.1 0.6
4.5 8.1 4.1 2.5 1.7 1.2 0.7
5.0 9.1 4.5 2.7 1.8 1.3 0.8
6.0 10.9 5.4 3.3 2.2 1.6 0.9
7.0 6.4 3.8 2.6 1.8 1.1
8.0 7.3 4.4 2.9 2.1 1.2
9.0 8.2 4.9 3.3 2.4 1.4
10.0 9.1 5.5 3.7 2.6 1.5
11.0 10.0 6.0 4.0 2.9 1.7
12.0 10.9 6.6 4.4 3.2 1.8
13.0 11.8 7.1 4.8 3.4 2.0
14.0 7.7 5.1 3.7 2.2
15.0 8.2 5.5 4.0 2.3
16.0 8.8 5.9 4.2 2.5
17.0 9.3 6.3 4.5 2.6
18.0 9.9 6.6 4.8 2.8
19.0 10.4 7.0 5.0 2.9
20.0 11.0 7.4 5.3 3.1
25.0 9.2 6.6 3.8
30.0
Velocity > 12 ft/sec
11.0 7.9 4.6
35.0 9.2 5.4
40.0 10.6 6.2
45.0 11.9 6.9
50.0 7.7
55.0 8.5
60.0 9.2
65.0 10.0
70.0 10.8
75.0 11.5