172-65440MA-01 (JH7RH-B) 18 November 2020
Free Float Steam Trap
JH7RH-B
Copyright © 2020 by TLV CO., LTD.
All rights reserved
Страница 1: ...172 65440MA 01 JH7RH B 18 November 2020 Free Float Steam Trap JH7RH B Copyright 2020 by TLV CO LTD All rights reserved ...
Страница 2: ...nsate and thereby improving the heat transfer efficiency of the equipment In addition the integral bimetal type automatic air vent allows for the rapid release of start up air and thereby reduces start up time These features make this free float steam trap suitable for applications requiring condensate discharge from process systems and equipment steam using equipment This steam trap also employs ...
Страница 3: ...oses 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 Install...
Страница 4: ...recommended 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 injur...
Страница 5: ...k 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 of condensate is not obstr...
Страница 6: ...A The rising condensate level causes the float to rise due to buoyancy opening the orifice B and allowing condensate to be discharged The flexed bimetal keeps the valve closed while in normal operation 3 Discharge of Large Quantities of Condensate Increases in the condensate inflow rate cause the condensate level in the trap to rise The float consequently rises and enlarges the opening of the orif...
Страница 7: ... Temperature TMA Maximum Allowable Pressure Maximum Operating Temperature Nominal Diameter Maximum Differential Pressure Valve No Production Lot No Maximum allowable pressure PMA and maximum allowable temperature TMA are PRESSURE SHELL DESIGN CONDITIONS NOT OPERATING CONDITIONS Valve No is displayed for products with options This item is omitted from the nameplate when there are no options Configu...
Страница 8: ...eof fluids CAUTION Installation inspection maintenance repairs disassembly adjustment and valve 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 th...
Страница 9: ...am leakage Normal Condensate is discharged continuously together with flash steam 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 The trap is quiet and makes no noise and the surface temperature of the trap is low Blowing Live steam continually flows from the outlet and there is a contin...
Страница 10: ... Detaching Reattaching the Cover Part During Disassembly During Reassembly Cover Nut Remove with a socket wrench Consult the table of tightening torques and tighten to the proper torque Cover Remove being careful not to scratch the gasket sealing surfaces Make sure there are no pieces of the old gasket left on the sealing surfaces of the body and cover align the arrows on the body and cover and re...
Страница 11: ...hten to the proper torque see NOTE below Orifice Pull out from inside the trap body Fix with a orifice locknut see NOTE below Orifice Gasket Remove being careful not to scratch the orifice Replace with a new gasket clean sealing surface on the orifice see NOTE below NOTE Special points pertaining to orifice and orifice gasket reassembly Follow the steps below when inserting the orifice into the bo...
Страница 12: ...ings or other special documentation were supplied for the product any torque given there takes precedence over values shown here 1 N m 10 kg cm Special Notes 1 After operation following disassembly and reassembly it is recommended that the trap be let to sit for a day and then receive additional tightening 2 Using the tightening torques for the cover nuts and outlet cover nuts as a reference tight...
Страница 13: ...e Locknut Outlet Cover Gasket Outlet Cover Nut Snap Ring Screen Holder Retainer Orifice Orifice Gasket Outlet Cover Outlet Cover Bolt Cover Nut Cover Cover Gasket Air Vent Guide Gasket Air Vent Guide Snap Ring Air Vent Case Air Vent Valve Plug Snap Ring Bimetal Plate Air Vent Valve Seat Air Vent Screen ...
Страница 14: ...e affixes the gasket tightly to the plug holder Check to make sure the gasket is not caught in the recesses of the threads 5 Hold the plug holder upside down to make sure that the anti seize makes the gasket stick to the plug holder even when the plug holder is held upside down 6 Screw the plug holder by hand into the product body while making sure that the gasket remains tightly affixed to the ce...
Страница 15: ...fied pressure or whether there is insufficient pressure differential between the trap inlet and outlet Compare specifications and actual operating conditions Steam is discharged or leaks from the outlet blowing steam leakage Clogged orifice opening or rust and scale build up beneath the float Clean parts Scratches on the orifice Replace with a new orifice The float is misshapen or has a build up C...
Страница 16: ...oper installation use handling etc by other than TLV CO LTD authorized service representatives 2 Malfunctions due to dirt scale rust etc 3 Malfunctions due to improper disassembly and reassembly or inadequate inspection and maintenance by other than TLV CO LTD authorized service representatives 4 Malfunctions due to disasters or forces of nature 5 Accidents or malfunctions due to any other cause b...
Страница 17: ... Donot useexcessiveforcewhenopeningtheblowoff valve Suchforce maybreakthepinequippedas avalvestopper causingablowout frominternal pressureresultinginburns or other injury CAUTION The options shown below are available for this product on request Please compare with the product you received Options for Area A standard without drain plug With Drain Plug Torque N m lbf ft Distance Across Flats mm in 1...