Installation guidelines valve operation, Friction loss chart (us psi) – Irritrol 100 Series User Manual

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!

Using pipe dope on valve connections can cause

thread damage and failure of the valve body.

Use only PTFE tape or pipe thread sealant.

• Note the flow direction arrows on the bonnet or body

and install accordingly.

• The valve can be installed at any angle without

affecting operation.

• The valve body plug and o-ring must be properly

installed in the unused inlet.

• Use direct-burial wire, utilizing different color codes

for each station control wire and one color for the

common wire to all valves.

• Waterproof wire splice connectors are absolutely

essential for proper electric control system operation.

Follow the installation instructions provided with the

connectors for optimum waterproof splice protection.

• Leaving a wire expansion loop at each valve location

on long-run wire lengths is recommended.

Installation Guidelines

Valve Operation

Flow Control

Flow control reduces the flow and pressure to valve outlet.

By turning the control handle clockwise, the flow will be

gradually reduced to zero.

Internal Manual Bleed Knob
The internal manual bleed system is used to manually

operate the valve. Turning the internal bleed knob (located

beneath the solenoid) counterclockwise allows water to bleed

downstream from the diaphragm chamber. Internal pressure

is relieved from the top of the diaphragm, allowing the

valve to open. Turning the bleed knob clockwise until tight

shuts off the discharge enabling pressure to build within the

diaphragm chamber, causing the valve to close.

External Manual Bleed Knob (flush mode)
The external manual bleed knob, located on top of the flow

control handle, is used for system flushing. Turning this knob

counterclockwise allows water in the diaphragm chamber to

vent to atmosphere, creating maximum opening power and

debris flushing action. This operation bypasses the regulator

(if installed) and opens the valve fully, regardless of regulator

setting. In addition, the metering rod (attached to the

external bleed knob) can be easily removed for cleaning as

necessary.

©2014 Irritrol • www.irritrol.com • Technical Support: 1-800-634-8873

Form Number 1049501 Rev. C

Friction Loss Chart (US PSI)

GPM Flow

Size

Configuration

5

10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 180 200 225 250 275 300

1”

globe

angle

6.3

6.3

4.2

4.2

3.2

3.1

4.1

2.7

7.2

4.8

10.9

7.9

1.5”

globe

angle

1.6

1.3

2.3

1.6

3.6

2.8

5.2

4.0

7.0

5.5

9.2

7.1

11.7

9.0

14.4

11.0

17.5

13.3

2”

globe
angle

2.1
1.2

2.7
1.6

3.3
2.0

4.0
2.4

4.8
2.8

5.6
3.3

6.5
3.9

7.5
4.4

8.05

5.1

3”

globe

angle

2.5

1.9

3.0

2.4

4.1

3.3

5.3

4.3

6.7

5.5

8.3

6.9

10.1

8.5

For optimum performance when designing a system, be sure to calculate total friction loss to ensure sufficient downstream pressure.

For optimum regulation performance, size regulating valves toward the higher flow ranges.

Internal Manual

Bleed Knob

Flow Control

Knob

External Manual

Bleed Knob

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