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IM-IBR17-49IN

Issue 1

1. Safety information

2. General product

information

3. Installation

4. Commissioning

5. Operation

6. Maintenance and

Spare parts

Printed in India

IM-IBR17-49IN

Issue 1

FT43 and FT44

Ball Float Steam Traps

Installation and Maintenance Instructions

Содержание FT 43 Series

Страница 1: ...tion 2 General product information 3 Installation 4 Commissioning 5 Operation 6 Maintenance and Spare parts Copyright 2017 Printed in India IM IBR17 49IN Issue 1 FT43 and FT44 Ball Float Steam Traps I...

Страница 2: ...o prevent such over limit situations ii Determine the correct installation situation and direction of fluid flow iii Spirax Sarco products are not intended to withstand external stresses that may be i...

Страница 3: ...e clothing Consider whether you and or others in the vicinity require any protective clothing to protect against the hazards of for example chemicals high low temperature radiation noise falling objec...

Страница 4: ...nstructions this product is recyclable and no ecological hazard is anticipated with its disposal providing due care is taken v1 16 Returning products Customers and stockists are reminded that under EC...

Страница 5: ...vention of water hammer Steam trapping on steam mains Steam Mains Do s and Don ts Steam Steam Flow Flow 30 50 metre intervals Gradient 1 100 Gradient 1 100 Trap set Trap set Trap set Condensate Conden...

Страница 6: ...correct torque figures 1 1 4 2 3 8 2 6 3 7 Flange bolts should be gradually tightened across diameters to ensure even load and alignment Guides Guides Limit rods Limit rods Fixing point Medium distan...

Страница 7: ...ly adjustable needle valve designated C on the nomenclature i e FT46 C can be fitted to these traps This option provides a steam lock release SLR feature in addition to the standard air vent Note The...

Страница 8: ...r DN25 FT43TV PN16 only DN40 and DN50 is right to left Flow direction for FT43V vertically orientated traps is downwards only Standard flanges are EN 1092 PN16 with face to face dimensions in accordan...

Страница 9: ...wer operating temperatures consult Spirax Sarco DPMX Maximum differential pressure FT43 4 5 4 5 bar FT43 10 10 bar FT43 14 13 bar Body design conditions PN16 For ASME 125 Flange PMA Maximum allowable...

Страница 10: ...l traps Note the flow direction when facing the body is as follows DN15 to DN25 is left to right DN40 and DN50 is right to left Standard flanges ASME B 16 5 Class 150 and 300 flanges are available wit...

Страница 11: ...able temperature 300 C 27 5 bar g PMO Maximum operating pressure 31 4 bar g 238 C Note For lower operating temperatures consult Spirax Sarco TMO Maximum operating temperature 284 C 28 5 bar g TMO Maxi...

Страница 12: ...ase be aware that the flow direction is not the same for all FT trap types or sizes However the flow direction will be clearly marked on the trap body 3 3 Remove protection covers from all connections...

Страница 13: ...removed via a dip tube or siphon pipe Steam locking can easily be prevented by fitting the trap with a combined thermostatic air vent and an adjustable needle valve SLR Figure 6 shows an FT C trap fit...

Страница 14: ...ways fit a non return check valve downstream of any steam trap which discharges into condensate return lines where back pressure is experienced This is not commonly caused by a rising condensate line...

Страница 15: ...lows air to bypass the main valve preventing the system air binding Hot condensate will close the air vent tightly but as soon as it enters the main chamber of the trap the float rises and the lever m...

Страница 16: ...ection 1 The FT43 is not normally provided with a bimetallic air vent due to its PN16 rating This arrangement can be made available on request Dowel Steam lock release assembly 19 21 2 2 3 20 Bimetall...

Страница 17: ...5 DN15 DN20 DN25 50 55 37 40 7 DN15 DN20 DN25 M5 x 20 2 5 2 8 1 8 2 1 DN40 10 A F M6 x 20 10 12 7 0 9 0 DN50 13 A F M8 x 20 20 24 15 17 17 17 A F 50 55 37 40 19 22 A F 40 45 29 33 6 5 10 7 8 11 9 26...

Страница 18: ...DN20 and DN25 Unscrew the support frame 9 pivot frame 10 and the valve seat 5 Ensure the seat gasket faces are clean and dry Fit the new gasket 6 and the valve seat 5 to the body Do not use gasket pas...

Страница 19: ...evenly see Table 1 for recommended tightening torques How to fit the capsule air vent assembly for DN15 to DN100 Remove the spring clip capsule spacer plate unscrew the seat and remove the frame 17 a...

Страница 20: ...Issue 1 20 Spare parts The spare parts available are shown in heavy outline Parts drawn in a grey line are not supplied as spares Dowel Steam lock release assembly 19 21 2 2 3 20 Bimetallic air vent a...

Страница 21: ...omplete set of gaskets packet of 3 sets 3 6 18 20 How to order spares Always order spares by using the description given in the column headed Available spares and state the size type of trap connectio...

Страница 22: ...erve the Safety information in Section 1 The FT43 is not normally provided with a bimetallic air vent due to its PN16 rating This arrangement can be made available on request Warning The cover gasket...

Страница 23: ...ghtening torques How to fit the capsule air vent assembly Remove the spring clip capsule spacer plate unscrew the seat and remove the frame 17 and gasket 18 Ensure the gasket faces are clean and dry F...

Страница 24: ...ent assembly Set of all gaskets packet of 3 sets 3 6 18 Note For a complete overhaul 2 off of each spare are required Dowel Air vent assembly 17 3 2 8 Main valve assembly 18 Bimetallic air vent assemb...

Страница 25: ...The correct positioning is shown below 6 4 FT mechanisms DN50 only Baffle arrangement used on FT43 and FT44 horizontal only When fitting the mechanism assemble as follows 1 Remove two uppermost studs...

Страница 26: ...IM IBR17 49IN Issue 1 26...

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