TLV JL14-X Instruction Manual Download Page 17

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172-65441A-04 (JL14-X/JLH14-X/JLH14-B) 20 Jan 2021

Problem

Diagnosis (Cause)

Remedy

Steam is
discharged or
leaks from the
trap outlet
(blowing)
(steam leakage)

Check sliding sections of lever unit:
- Is rust and/or scale obstructing movement of the

lever unit?

- Is the movement of the lever smooth?

Clean or replace with a
new lever unit

Check the air vent:

- Check for damage to or rust and scale on the X-

element or the bimetal

Replace parts where
necessary

Check for proper installation

Install correctly

Check for trap vibration

Lengthen the inlet
piping and fasten it
securely

Steam is
leaking from a
place other than
the outlet

Check for gasket deterioration or damage

Replace with new
gasket(s)

Check to make sure that the proper tightening
torques were used

Tighten to the proper
torque

Erosion has occurred in the body or cover

Replace with a new
product

Float frequently
becomes
damaged

Check to see if water hammer has occurred

Study and correct the
piping

Summary of Contents for JL14-X

Page 1: ... B 20 January 2021 Manufacturer 881 Nagasuna Noguchi Kakogawa Hyogo 675 8511 Japan Tel 81 0 79 422 1122 Fax 81 0 79 422 0112 Copyright 2021 by TLV Co Ltd All rights reserved Process Float Steam Trap JL14 X JLH14 X Optional Model JLH14 B ...

Page 2: ...ure of using the product properly The process float steam trap is a large capacity lever float type mechanical steam trap that uses a high performance X element or high temperature bimetal for the air vent With the unique sensitivity of mechanical steam traps for condensate discharge the trap reduces the time required to start up process equipment and improves heating efficiency For products with ...

Page 3: ...which poses a threat 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 ...

Page 4: ...he 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 Do not use excessive force when connecting threaded pipes to the product Over tightening may cause breakage leading to fluid discharge which may cause burns or other injury Use only under conditions in which no freeze up will occur F...

Page 5: ...e outlet is subject to back pressure has a check valve TLV CK been installed 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 ...

Page 6: ...UTION U s e o n l y u n d e r c o n d i t i o n s i n w h i c h n o f r e e z e u p w i l l o c c u r F r e e z i n g m a y d a m a g e t h e p r o d u c t l e a d i n g t o f l u i d d i s c h a r g e w h i c h m a y b u r n s o r o t h e r i n j u r y C AU T I O N Refer to the product nameplate for detailed specifications Model Maximum Allowable Temperature TMA Maximum Allowable Pressure Nominal...

Page 7: ...H14 X JLH14 B Option No Name M 1 RL 1 RT 1 RA 1 F 1 1 Body 2 Cover 3 Cover Gasket 4 Cover Bolt 5 1 Float 5 2 Lever Unit 6 1 Trap Unit Main Valve Unit 2 6 2 Valve Seat Gasket 3 7 Air Vent Unit 4 8 Drain Plug 9 Drain Plug Gasket 10 Nameplate 11 Eye Bolt 12 Cover Plug 13 Cover Plug Gasket 1 Replacement parts are available only in the following kits M Maintenance Kit RL Lever Repair Kit RT Trap Repair...

Page 8: ...ve opening closing should be carried out only by trained maintenance personnel 1 Before installation be sure to remove all protective seals 2 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 a bypass valve and inlet and outlet isolation valves for use in the event of trap failure or wh...

Page 9: ... JLH14 X JLH14 B option NOTE Be sure to size outlet piping large enough to accommodate any flash steam that may form to prevent any increase in back pressure Outlet pipe size should always be properly calculated contact TLV for assistance Inlet outlet and bypass valves must be full bore valves This diagram is for illustration purposes only For actual installation piping design must be performed by...

Page 10: ...e is very little condensate there is almost no sound of flow Blocked Discharge Impossible No condensate is discharged The product is quiet and makes no noise and the surface temperature of the product is low Blowing Live steam continually flows from the outlet and there is a continuous metallic sound Steam Leakage Live steam is discharged through the product outlet together with condensate accompa...

Page 11: ... adjustment and valve opening closing should be carried out only by trained maintenance personnel In cases where sufficient space has been secured for maintenance see the maintenance space diagram in the Installation section it is possible to perform maintenance without disconnecting the inlet and outlet piping If there is insufficient maintenance space first disconnect the inlet and outlet piping...

Page 12: ...he table of tightening torques and tighten to the proper torque Spring Clip Pinch insides together and remove from the X element guide Insert securely into the groove in the X element guide X element Remove from the X element guide Reinsert after making sure of the proper orientation Air Vent Valve Seat Remove with a socket wrench Consult the table of tightening torques and tighten to the proper t...

Page 13: ... Snap Ring Snap Ring Air Vent Screen X element Air Vent Unit Bimetal Air Vent Unit Option Detaching Reattaching the Float and the Trap Unit Part During Disassembly During Reassembly Float Hold the lever firmly with a wrench Remove the float with a second wrench Hold the lever firmly with a wrench Reattach the float Consult the table of tightening torques and tighten to the proper torque Spring Was...

Page 14: ...tem and the joint bolt remember to reinsert the washers once a new split pin is inserted into each end of the main joint stem make sure to bend both ends of each split pin so it does not come off The flats on the joint bolt should be positioned as shown in the figure below remember to reinsert the washers make sure the flat surface of the U nut is facing the washer at reassembly consult the table ...

Page 15: ...3 4 Air Vent Valve Seat Torque N m 35 35 30 lbf ft 26 26 22 Distance Across Flats mm 19 19 19 in 3 4 3 4 3 4 Float Torque N m 50 50 50 lbf ft 37 37 37 Distance Across Flats mm 19 19 19 in 3 4 3 4 3 4 Hex Bolt Torque N m 80 80 80 lbf ft 59 59 59 Distance Across Flats mm 19 19 19 in 3 4 3 4 3 4 U nut Joint Bolt Torque N m 10 10 10 lbf ft 7 7 7 Distance Across Flats mm 10 10 10 in 3 8 3 8 3 8 Option ...

Page 16: ... occurred Change to a suitable piping arrangement Check the inlet and outlet valve open close status and check to see if the valve is clogged with dirt Are the inlet and outlet valves fully open Is the inlet strainer clogged with dirt Are the pipes clogged with dirt Is there accumulated dirt at the bottom of the body particularly below the trap unit main valve unit Inspect and clean Check sliding ...

Page 17: ...nd scale on the X element or the bimetal Replace parts where necessary Check for proper installation Install correctly Check for trap vibration Lengthen the inlet piping and fasten it securely Steam is leaking from a place other than the outlet Check for gasket deterioration or damage Replace with new gasket s Check to make sure that the proper tightening torques were used Tighten to the proper to...

Page 18: ...ications or 10 use of the Products with Hazardous Fluids fluids other than steam air water nitrogen carbon dioxide and inert gases helium neon argon krypton xenon and radon or 11 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 f...

Page 19: ...E FIRST END USER S PROCESSES LOSS OF USE OR OTHER COMMERCIAL LOSSES WHERE 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 I...

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