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IM-P128-23

ST Issue 6

Fig. 1

STS17.2

version

with single upstream isolation

Upstream isolation

valve

Downstream isolation

valve

Upstream isolation

valve

Downstream isolation

valve

BDV1

blowdown

valve

STS17.2

version

with double upstream isolation

Strainer

Optional

Upstream isolation

valve

SSL1

integral

sensor

WLSL1

integral

sensor

Strainer

Please note

that the optional Spiratec

SSL1

and

WLSL1

sensors

must not be

fitted when the STS17.2 is installed

in a vertical application

. However a

sensor can be fitted to a UTD30 steam

trap if fitted.

Содержание STS17.2

Страница 1: ...tallation 4 Commissioning 5 Maintenance 6 Spare parts Copyright 2014 Printed in GB IM P128 23 ST Issue 6 1289050 6 Double upstream isolation Single upstream isolation STS17 2 Stainless Steel Compact Pipeline Connector Steam Trapping Station Installation and Maintenance Instructions ...

Страница 2: ...IM P128 23 ST Issue 6 2 ...

Страница 3: ...se on other fluids contact Spirax Sarco to confirm suitability of the product for the application being considered ii Check material suitability pressure and temperature and their maximum and minimum values If the maximum operating limits of the product are lower than those of the system in which it is being fitted or if malfunction of the product could result in a dangerous overpressure or overte...

Страница 4: ... has depressurised even when the pressure gauge indicates zero 1 8 Temperature Allow time for temperature to normalise after isolation to avoid danger of burns Valves which are fitted with PTFE seats must not be subjected to temperatures above 260 C 500 F Above these temperatures toxic fumes may be given off Avoid inhalation of fumes or skin contact 1 9 Tools and consumables Before starting work e...

Страница 5: ...ge in environments where they may be exposed to temperatures below freezing point 1 15 Disposal Unless otherwise stated in the Installation and Maintenance Instructions this product is recyclable and no ecological hazard is anticipated with its disposal providing due care is taken However the product is fitted with PTFE seats special care must be taken to avoid potential health hazards associated ...

Страница 6: ...pection requirements must be stated at the time of order placement For other certification contact Spirax Sarco Note For additional product information see Technical Information Sheet TI P128 22 Optional extras Integral sensor type SSL1 steam only or WLSL1 for waterlogging for use with R1C or WLSL1 with DIODE for use with RI6C are available as optional extras to enable operational monitoring of th...

Страница 7: ...BDV1 blowdown valve 2 2 STS17 2 version with double upstream isolation Strainer Optional Upstream isolation valve SSL1 integral sensor WLSL1 integral sensor Strainer 1 16 2 2 3 3 3 3 3 19 19 Please note that the optional Spiratec SSL1 and WLSL1 sensors must not be fitted when the STS17 2 is installed in a vertical application However a sensor can be fitted to a UTD30 steam trap if fitted ...

Страница 8: ...am service All other connections 17 5 bar g 294 psi g TMO Maximum operating temperature 230 C 10 bar g 446 F 145 psi g Minimum operating temperature 10 C 14 F Designed for a maximum cold hydraulic test pressure of 60 bar g 870 psi g Temperature C Pressure psi g Steam saturation curve Temperature F Pressure bar g 2 3 Pressure temperature limits The product must not be used in this region A B Flange...

Страница 9: ... steam trap to be fitted to the connector once the trapping station is installed within the pipeline 3 5 Although the steam trapping station has great structural integrity severe misalignment and or the pulling effect of incorrect pipe length will have a detrimental effect on the unit and must be avoided Particular attention should be paid to correct pipe alignment such that the inlet pipework and...

Страница 10: ...e on the essential requirements of welding socket weld STS17 2 trap stations into the pipeline This will allow a user to select an appropriate weld procedure from those available to that user This advice is not intended to be a substitute for a weld procedure it is for guidance only 3 9 The STS17 2 can be installed in a horizontal line or in a vertical line with flow downwards See Figure 2 The STS...

Страница 11: ...position Low C 23 Cr 12 Ni Specification BS 2926 1984 23 12 L BR Shielding gas flux Not applicable Method of preparation and cleaning Socket As supplied and wire brushed Pipe Mechanically cut and wire brushed Additional information 1 See Section 3 7 page 9 2 Fit up using tack welds t STS17 2 Pipe 1 5 mm approximately Parent materials s dimensions Thickness O D mm mm STS17 2 5 15 32 00 Pipe 2 76 21...

Страница 12: ...fore commencing work Remove the strainer cap 19 with sensor 23 and 24 if fitted ensuring cables are not damaged WLSL1 or optional blowdown valve 25 and 26 and separate it from the strainer screen 22 Once the strainer screen 22 has been cleaned or replaced place it in the recess of the strainer cap 19 or 20 Using a new cap gasket 21 replace the strainer screen and cap into the body of the STS17 2 a...

Страница 13: ...t applicable 26 17 A F 22 25 16 18 STS17 2 version with double upstream isolation 21 22 Fig 4 23 BDV1 blowdown valve SSL1 integral sensor WLSL1 integral sensor 19 Standard 20 Adaptor 20 Adaptor 20 Adaptor 25 26 24 Lockset screw Please note that the optional Spiratec SSL1 and WLSL1 sensors items 20 23 or 24 must not be fitted when the STS17 2 is installed in a vertical application However a sensor ...

Страница 14: ...pplication However a sensor can be fitted to a UTD30 steam trap if fitted 5 6 How to replace the check valve Using a 32 mm A F spanner unscrew and remove the check valve blanking plug 16 You can now see the check valve assembly 17 inside the body A long 20 mm A F socket is required to unscrew the check valve 17 from the body Replace with a new check valve assembly 17 and tighten to the recommended...

Страница 15: ...d 11 and 13 5 4 8 1 4 6 1 14 10 8 13 5 8 10 12 14 and 13 15 M6 15 17 11 12 16 32 A F M35 x 1 5 190 200 140 147 20 Adaptor 32 A F M28 x ISP 170 190 126 140 23 19 A F 50 55 37 40 24 24 A F 50 55 37 40 25 24 A F Not applicable Not applicable 26 17 A F 22 25 16 18 Please note that the optional Spiratec SSL1 and WLSL1 sensors items 20 23 or 24 must not be fitted when the STS17 2 is installed in a verti...

Страница 16: ...g end cap 6 to the other end of the spool piece 27 using the new nuts supplied with the conversion kit in combination with the existing bolts 12 13 and 14 15 allowing enough gap to slide in the new ball valve and body assembly 2 Slide in the new ball valve and body assembly 2 between the spool piece 27 and end cap 6 and tighten the bolts and nuts 12 13 and 14 15 to the recommended torque see Table...

Страница 17: ...IM P128 23 ST Issue 6 17 Table 3 Recommended tightening torques Item or mm Torque N m lbf ft 5 and 13 5 4 8 1 4 6 1 14 10 8 13 5 8 10 12 14 and 13 15 M6 15 17 11 12 ...

Страница 18: ...retrofit kit Note State whether an SSL1 or 20 21 23 or 24 WLSL1 sensor is required Check valve assembly 17 18 Double isolation conversion kit includes spool piece and additional isolation valve X BDV1 blowdown valve retrofit kit 20 21 25 How to order spares Always order spares using the description given in the column headed Available spares and state the size and model number Example 1 off Spare ...

Страница 19: ... 20 23 or 24 must not be fitted when the STS17 2 is installed in a vertical application However a sensor can be fitted to a UTD30 steam trap if fitted Fig 7 8 9 8 21 20 20 20 24 23 25 BDV1 blowdown valve SSL1 integral sensor WLSL1 integral sensor X is a double isolation conversion kit X 17 18 ...

Страница 20: ...IM P128 23 ST Issue 6 20 ...

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