AVT EZ Valve User manual

User
Manual
ADVANCED VALVE TECHNOLOGIES

This document takes you through the step-by-step process required to install an
AVT EZ ValveTM. Advanced Valve Technologies (AVT) manufactures comprehensive
solutions for the safe and sustainable repair and rehabilitation of critical water
infrastructure. The company is best known for the AVT EZ Valve™, an award-
winning inline insertion valve designed for quick and easy installation for
emergency water line repair and pipeline maintenance, requiring no
disruption in service.
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and knowledge on the vital infrastructure resources that help keep the world
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training specic to Fortistructure Solutions’ products and services.
INTRODUCTION

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Check diameter of pipe and select
proper gasket set.
Clean pipe down to base material. If pits or high
points are present, try to avoid them. If you can’t,
grinding may be required for an end result of a
smooth pipe for optimum seal.
Using the gasket as a template mark
where the valve will be sealing on
the pipe.
User Manual
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Using AVT food grade lubricant.
Grease tape liberally. Grease the
grooves of the top and bottom
section of the valve body where
the gaskets will be sealing. Insert
gaskets and grease liberally.
Apply AVT food-grade tape to the
pipe. Wrap twice and ensure it is
free from wrinkles.
Place top half of valve on pipe
and carefully bolt bottom half of
the valve body in place using the
T-bolts that came with your valve.

Attach gearbox to appropriate
ring. Attach Gear box ring
snugly to pipe. Tighten set
screws by hand until they
touch the pipe, then turn
them one-quarter turn
with the wrench.
Apply pressure to valve body,
AVT recommends 10Bar or
1.5 times maximum system
pressure.
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Level valve and tighten bolts.
DO NOT tighten valve body
all the way down! Between
¼ (6MM) and 3/8 (9MM) inch
gap is the standard.
User Manual6

Attach alignment ring.
Attach ush port
assembly.
Fit stop pin over slide gate
feed screw and tighten set
screws. Close slide gate
ensuring 12 turns and open.
Attach mounting plate
using bonnet bolts. Make
sure the transition ring is
ush against plate.
Level the valve, then t the stop
ring snugly against valve body.
Using the U gauge align the ring
with the stop pin. Tighten ring
making sure the U gauge stays
aligned with stop pin.
Attach milling machine.
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ADVANCED VALVE TECHNOLOGIES

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Rotate valve body down to one
side until stop pin makes contact
with ring ensuring chip ush port
is facing upwards.
Blow off pressure and
attach ush hose.
User Manual
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18
Lower cutting head to the pipe. Set the top arrow of travel gauge to the red
depth indicator.
The arrows with the longer travel range are for 4” to 8” and the shorter travel
range is for 10” to 12”. Back cutting head off of pipe and start motor.
Slowly pierce pipe until the red depth indicator is between the bottom
arrows. Lock feed with black knob.

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Slowly rotate valve from one side of
the stop ring to the other. Bring the cutting head all the way up and
rotate valve body back up to centre. Close
ush hose.
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24
Tighten valve down to 100 ft lb of torque.
Close slide gate. Blow
off pressure and remove
mounting plate with end
milling machine attached.
Attach bonnet and open
slide gate. Lower gate ¾
of the way down.
Remove chain, rings and
stop pin.
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11ADVANCED VALVE TECHNOLOGIES

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Install restraint bolts and tighten.
turn in a lug nut pattern. (Opposite
sides tightened in succession).
Close valve completely as you count turns.
Retract valve to open position.
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Close valve the rest of the way
down. This cuts off pressure to
the valve body. Remove ush
hose setup and plug hole with
1” plug for 4” to 8”, or 1 ½” plug
for 10” to 12”.
Bring gate to the fully open
position ensuring the correct
number of turns.
Congratulations you have
completed your EZ Valve insertion.

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OUR LOCATIONS