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CAUTION

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.
Be sure to use only the 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 

or 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.
Use under conditions in which no water hammer will occur. The 

impact of water hammer may damage the product, leading to fluid 

discharge, which may cause burns or other injury.

2. Specifications

To avoid malfunctions, product damage, accidents or serious injury, 

install properly and DO NOT use this product outside the specification 

range. Local regulations may restrict the use of this product to below the 

conditions quoted.

CAUTION

Refer to the product nameplate for detailed specifications.

 * 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. 

Minimum Operating Pressure: 0.03 MPaG (5 psig)

Maximum Allowable Back Pressure: 80% of inlet pressure

Maximum Allowable Pressure*

Maximum Operating Pressure

Production Lot No.

Valve No.**

Nominal Diameter

Max. Operating 

Temperature TMO

Max. Allowable 

Temperature* TMA

Model

̶ 2 ̶

Содержание ThermoDyne A3N-AF3N

Страница 1: ...N MANUAL Keep this manual in a safe place for future reference MODEL A3N AF3N Copyright C 2018 by TLV CO LTD All rights reserved 881 Nagasuna Noguchi Kakogawa Hyogo 675 8511 Japan Manufacturer Tel 81 0 79 422 1122 Fax 81 0 79 422 0112 Option BD2 ...

Страница 2: ...ommended operating pressure temperature and other specification ranges Improper use may result in such hazards as damage to the product or malfunctions which may lead to serious accidents Local regulations may restrict the use of this product to below the conditions quoted Take measures to prevent people from coming into direct contact with product outlets Failure to do so may result in burns or o...

Страница 3: ...which no water hammer will occur The impact of water hammer may damage the product leading to fluid discharge which may cause burns or other injury 2 Specifications To avoid malfunctions product damage accidents or serious injury install properly and DO NOT use this product outside the specification range Local regulations may restrict the use of this product to below the conditions quoted CAUTION...

Страница 4: ...Maintenance Kit R Repair Kit Integral part of Inner Cover Integral part of Module Valve Seat Description No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Body Outer Cover Gasket Inner Cover Gasket Outer Module Gasket Inner Module Gasket Module Valve Seat Disc Inner Cover Air Vent Ring Module Pin Outer Cover Screen Screen Holder Gasket Screen Holder Disc Holder Ring Cover Bolt Nameplate M R 3 ...

Страница 5: ...Outer Cover Outer Cover Cover Bolt Inner Cover Screen Holder 32 50 mm 1 2 15 25 mm 1 Part 1 2 1 4 1 2 5 8 1 8 15 16 13 16 13 16 N m 50 400 300 lbf ft 37 290 220 lbf ft 160 160 59 in 2 2 in 2 1 1 N m 220 220 80 mm 16 75 54 mm 71 46 38 Tightening Torque and Distance Across Flats 1 N m 10 kg cm If drawings or other special documentation were supplied for the product any torque given there takes prece...

Страница 6: ...meter is too small and inlet protrudes into pipe Rust and scale flow into the trap with the condensate Condensate collects in the pipe Correct Incorrect Install a catchpot of the proper diameter Make sure the flow of condensate is not obstructed To prevent rust and scale from flowing into the trap connect the inlet pipe 25 50 mm 1 2 in above the base of the T pipe When installing on the blind end ...

Страница 7: ...properly Steam is discharged from the trap in short rapid bursts 8 Inspection and Maintenance Installation inspection maintenance repairs disassembly adjustment and valve opening closing should be carried out only by trained maintenance personnel Before attempting to open the trap close the inlet and outlet isolating valves and wait until the trap has cooled completely Failure to do so may result ...

Страница 8: ...ve gasket only if worn or damaged Remove with a socket wrench Do not remove Remove being careful not to scratch the lapped surface Remove without bending Remove without bending as it will not return to its proper shape Remove being careful not to scratch the lapped surface Remove with pliers Do not remove Do not remove Remove with a socket wrench Remove gasket and clean sealing surfaces Remove gas...

Страница 9: ...10 Optional Blowdown Valve BD2 Coat with Anti Seize Screen Holder Troubleshooting continued BD2 BD2 Clean or replace screen Replace worn parts Replace air vent ring or disc holder ring Air vent ring bimetal or disc holder ring is broken and obstructing valve closure Valve closure is obstructed by scale etc Disc or valve seat is worn For BD2 15 25 mm 1 For BD2 and Screen Holder 32 50 mm 2 2 1 4 1 1...

Страница 10: ...22 lbf ft and confirm that there is no leakage If leakage continues dirt or scale may prevent the valve from sealing Open and blow out again then try to close once more 32 21 Note Do not leave the vicinity while the blowdown valve is in the open position CAUTION Always wear eye protection and heat resistant gloves when operating the blowdown valve Failure to do so may result in burns or other inju...

Страница 11: ...SHIPMENT BY TLV Exclusive Remedy THE EXCLUSIVE REMEDY UNDER THIS WARRANTY UNDER ANY EXPRESS WARRANTY OR UNDER ANY IMPLIED WARRANTIES NOT NEGATED HEREBY INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS REPLACEMENT PROVIDED a THE CLAIMED DEFECT IS REPORTED TO TLV IN WRITING WITHIN THE APPLICABLE WARRANTY PERIOD INCLUDING A DETAILED WRITTEN DESCRIPTION OF TH...

Страница 12: ...HANTABILITY 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 OF CONSEQUENTIAL AND INCIDENTAL DAMAGES AND THE PROVISION OF THIS WARRANTY LIMITING REMEDIES HEREUNDER TO REPLACEMENT ARE INDEPENDENT PROVISIONS AND ANY DETERMINATION THAT THE LIMITATION OF REMEDIES FAILS OF ITS ESSENTIAL PUR...

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