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172-65193A-06  (G8)  8 Jul 2015

 

11

 

 
 

Troubleshooting 

 

 

NEVER apply direct heat to the float. The float may explode due to 

increased internal pressure, causing accidents leading to serious injury 

or damage to property and equipment.

 

WARNING 

 

 

When disassembling or removing the product, wait until the internal 

pressure equals atmospheric pressure and the surface of the product 

has cooled to room temperature. Disassembling or removing the 

product when it is hot or under pressure may lead to discharge of fluids, 

causing burns, other injuries or damage.

 

CAUTION 

When the product fails to operate properly, use the following table to locate and 
remedy the cause. 

Problem 

Cause 

Remedy 

No condensate is 
discharged 
(blocked) or   
discharge is poor 
 

The float is damaged or filled with 
condensate 

Replace with a new float 

Oil in the trap has become viscous, 
causing the float to become stuck 

Clean parts 

The valve seat opening, strainer screen 
or piping are clogged with rust and 
scale 

Clean parts 

The trap operating pressure exceeds 
the maximum specified pressure, or 
there is insufficient pressure differential 
between the trap inlet and outlet 

Compare specifications 
and actual operating 
conditions 

Air binding has occurred 

Make sure a pressure-
balancing line is installed; 
if already installed, make 
sure it has not become 
dislodged or is not 
incorrectly installed 

Air is discharged 
or leaks from the 
outlet 
(blowing)   
(air leakage) 

Clogged valve seat opening or rust and 
scale build-up beneath the float 

Clean parts 

Scratches on the valve seat 

Replace with a new valve 
seat 

The float is misshapen or has 
build-up 

Clean or replace with a new 
float 

Improper installation orientation 

Correct the installation 

Trap vibration 

Lengthen the inlet piping 
and fasten it securely 

There is no condensate in the air trap 
body, no water seal around the valve 
seat 

Prime the air trap 

Air is leaking from   
a place other than 
the outlet 

O-ring deterioration or damage 

Replace with new o-ring(s) 

Improper tightening torques were 
used 

Tighten to the proper 
torque 

Float frequently 
becomes 
damaged 

Water hammer has occurred 

Study and correct the 
piping 

Summary of Contents for G8

Page 1: ...agasuna Noguchi Kakogawa Hyogo 675 8511 Japan Tel 81 0 79 422 1122 Fax 81 0 79 422 0112 Copyright 2015 by TLV Co Ltd All rights reserved ISO 9001 ISO 14001 Manufacturer Kakogawa Japan is approved by LRQA LTD to ISO 9001 14001 Free Float Air Trap G8 ...

Page 2: ... make sure nothing is out of the ordinary Also be sure to read this manual carefully before use and follow the instructions to be sure of using the product properly The G8 Free Float Air Trap is used for the automatic discharge of condensate or condensate mixed with oil from receiver tanks and pipe ends in compressed air systems If detailed instructions for special order specifications or options ...

Page 3: ...of death or serious injury WARNING Indicates that there is a potential threat of death or serious injury CAUTION Indicates that there is a possibility of injury or equipment product damage WARNING NEVER apply direct heat to the float The float may explode due to increased internal pressure causing accidents leading to serious injury or damage to property and equipment CAUTION Install properly and ...

Page 4: ...ommended components when repairing the product and NEVER attempt to modify the product in any way Failure to observe these precautions may result in damage to the product and burns or other injury due to malfunction or the discharge of fluids Use only under conditions in which no freeze up will occur Freezing may damage the product leading to fluid discharge which may cause burns or other injury U...

Page 5: ...e inlet 5 Is the inlet pipe as short as possible with as few bends as possible and installed so the liquid will flow naturally down into the trap 6 Has the piping work been done correctly as shown in the figures below Requirement Correct Incorrect Install catchpot with the proper diameter Diameter is too small Make sure the flow of condensate is not obstructed Diameter is too small and inlet protr...

Page 6: ...ich may cause burns or other injury CAUTION Refer to the product nameplate for detailed specifications Model Production Lot No Maximum Allowable Temperature TMA Maximum Operating Temperature TMO Nominal Diameter Maximum Allowable Pressure Maximum Operating Pressure Valve No Maximum allowable pressure PMA and maximum allowable temperature TMA are PRESSURE SHELL DESIGN CONDITIONS NOT OPERATING CONDI...

Page 7: ...Before installing the product open the inlet valve and blow out the piping to remove any piping scraps dirt and oil Close the inlet valve after blowdown 3 Install the product so the arrow on the body is pointing in the direction of flow 4 The trap should be inclined no more than 5 horizontally and front to back 5 To insure proper condensate flow into the trap remove the balancing line plug and ins...

Page 8: ...ir by condensate and thus preventing condensate from entering the trap This phenomena is called air binding A pressure balancing line installed between the trap cover and the dry portion of the receiver tank is used to prevent this phenomenon from occurring Connect the pressure balancing line in the follow manner Receiver Tank Pressure balancing Line Air Main Air Compressor Y Strainer G8 Air Trap ...

Page 9: ...thoscope or thermometer If the trap should fail it may cause damage to piping and equipment resulting in faulty or low quality products or losses due to air leakage Normal Condensate is discharged continuously and the sound of flow can be heard If there is very little condensate there is almost no sound of flow Blocked Discharge Impossible No condensate is discharged Blowing Air continually flows ...

Page 10: ...around the threads 3 3 5 times before re installing consult the table of tightening torques and tighten to the proper torque Strainer Screen Detach screen holder and remove screen Consult the table of tightening torques and tighten to the proper torque Allen Head Bolt Remove all 8 bolts with an appropriate wrench Consult the table of tightening torques and tighten to the proper torque Cover Remove...

Page 11: ...88 27 1 1 16 25 1 180 130 33 1 5 16 1 N m 10 kg cm This tightening torque is for threads wrapped with 3 3 5 turns of sealing tape NOTE Coat all threaded portions not wrapped with sealing tape with anti seize If drawings or other special documentation were supplied for the product any torque given there takes precedence over values shown here Exploded View Balancing Line Plug Cover Float Cover O ri...

Page 12: ...d scale Clean parts The trap operating pressure exceeds the maximum specified pressure or there is insufficient pressure differential between the trap inlet and outlet Compare specifications and actual operating conditions Air binding has occurred Make sure a pressure balancing line is installed if already installed make sure it has not become dislodged or is not incorrectly installed Air is disch...

Page 13: ...ations or 10 failure to follow the instructions contained in the TLV Instruction Manual for the Product Duration Of Warranty This warranty is effective for a period of the earlier of i three 3 years after delivery of Products to the first end user in the case of sealed SST Series Products for use in steam pressure service up to 650 psig ii two 2 years after delivery of Products to the first end us...

Page 14: ...ERE DUE TO OPERATION OF LAW CONSEQUENTIAL AND INCIDENTAL DAMAGES UNDER THIS WARRANTY UNDER ANY OTHER EXPRESS WARRANTY NOT NEGATED HEREBY OR UNDER ANY IMPLIED WARRANTY NOT NEGATED HEREBY INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE CANNOT BE EXCLUDED SUCH DAMAGES ARE EXPRESSLY LIMITED IN AMOUNT TO THE PURCHASE PRICE OF THE DEFECTIVE PRODUCT THIS EXCLUSION...

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