AVT EZ Valve Manuale utente
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.
Critical Infrastructure University (CIU) provides education, training, instruction
and knowledge on the vital infrastructure resources that help keep the world
running. Our curriculum includes general industry education along with user
training specic 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.
User Manual
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