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STI S.r.l.

– Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com

Manual 2071, rev.07 02/2019

– BV

iii

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Summary of Contents for STI BV

Page 1: ...BV BIG VOLUME BOOSTER INSTRUCTION MANUAL 2071...

Page 2: ...Description Compiled Approved 19 02 2019 7 Changed Label N Mores G Alfieri 30 11 2017 6 Certificate Renewal N Mores G Alfieri 08 10 2014 5 Changed address N Zenoni F Tondolo 04 04 2014 4 Added informa...

Page 3: ...ICAL DATA 4 4 LABEL 4 5 INSTALLATION 5 5 1 TRANSPORT 5 5 2 RECEPTION 5 5 3 STORAGE 5 5 4 REQUIREMENTS OF STABILITY 5 5 5 DOCUMENTS AND DIMENSIONAL DRAWINGS 5 5 6 INSTALLATION 6 5 7 DISASSEMBLING 7 6 O...

Page 4: ...____________________________________________________________________________________ STI S r l Via Dei Caravaggi 15 24040 Levate BG ITALY www imi critical com Manual 2071 rev 07 02 2019 BV iii...

Page 5: ...aggi 15 24040 Levate BG Italy Tel 39 035 2928 2 Fax 39 035 2928 247 imisti sales imi critical com 1 4 Terms and conditions STI S r l guarantees each single product to be free from defects and to confo...

Page 6: ...irective PED 2014 34 UE Equipments used in potentially explosive atmospheres ATEX 1 7 Symbology Used 1 7 1 Signs of warning Be careful where these symbols are shown they indicate a potentially hazardo...

Page 7: ...f an actuator by increasing the air mass flow to the cylinder or by reducing the air mass flow from the same cylinder Designed to meet high control applications STI series BV relay produces a high vol...

Page 8: ...ctions Plug in 1 NPTF Plug in 1 NPTF Outlet connections Plug in Plug in Signal connection NPTF NPTF Extreme Operating Temperature Range 60 100 C 60 100 C Design pressure 12 bar 12 bar Operating pressu...

Page 9: ...ta reported on a specific Test Report In order to maintain these characteristics until the BV is installed on site proper attention must be observed for preservation during the storage period If the B...

Page 10: ...surfaces and remove anything that might prevent a perfect adherence 5 6 2 Assembling of the BV Threading Material Tightening torque Nm M8 8 8 25 A4 70 20 5 6 3 Pneumatic connections Warning Check that...

Page 11: ...n is guaranteed trough the fixing screws of the BV If the earthing connection of the system where BV is mounted is not guaranteed it is necessary ensure a directly earthing connection from the screws...

Page 12: ...n the two side of the piston and the working fluid pushes down the piston and the lower shutter allowing the connection between the BV supply chamber and the actuator chamber In this case the lower sh...

Page 13: ..._______________________________________ STI S r l Via Dei Caravaggi 15 24040 Levate BG ITALY www imi critical com Manual 2071 rev 07 02 2019 BV 9 Figure 4 charge setup stand by mode PILOT ACTUATOR Val...

Page 14: ...______________________________ STI S r l Via Dei Caravaggi 15 24040 Levate BG ITALY www imi critical com Manual 2071 rev 07 02 2019 BV 10 Figure 5 charge setup modulating mode PILOT ACTUATOR PRESSURE...

Page 15: ...________________________________ STI S r l Via Dei Caravaggi 15 24040 Levate BG ITALY www imi critical com Manual 2071 rev 07 02 2019 BV 11 Figure 6 charge setup on off mode PILOT ACTUATOR PRESSURE LI...

Page 16: ..._____________________________________ STI S r l Via Dei Caravaggi 15 24040 Levate BG ITALY www imi critical com Manual 2071 rev 07 02 2019 BV 12 Figure 7 discharge setup stand by mode ACTUATOR PILOT V...

Page 17: ...______________________________ STI S r l Via Dei Caravaggi 15 24040 Levate BG ITALY www imi critical com Manual 2071 rev 07 02 2019 BV 13 Figure 8 discharge setup modulating mode ACTUATOR PILOT ENVIRO...

Page 18: ...________________________________ STI S r l Via Dei Caravaggi 15 24040 Levate BG ITALY www imi critical com Manual 2071 rev 07 02 2019 BV 14 Figure 9 discharge setup on off mode ACTUATOR PILOT ENVIRONM...

Page 19: ...ual It is the sole responsibility of the operator to ensure that the local health and safety regulations are adhered to BV is designed in accordance with the applicable International Rules and Specifi...

Page 20: ...BV proceed as follows check that the pressure and quality of the air supply filtering degree dehydration are as prescribed check that there are not leak in the pneumatic connections If necessary tigh...

Page 21: ...y repairing and final test 8 5 Mechanism Lubrication RHEOLUBE 361F or equivalent SYNTHY 101 or equivalent To be used low temperature conditions 60 C 120 C Color Light tan Appearance Smooth NLGI grade...

Page 22: ...piston 10 1 Piston bush 11 1 Piston Washer 12 1 Valve shutter 13 1 Valve seat 14 1 Compensator sliding ring 15 1 Piston sliding ring 16 2 Sealing ring OR 108 17 1 Sealing ring OR 2062 18 1 Sealing ri...

Page 23: ...neumatic supply Check supply line Low supply pressure Adjust supply pressure Uncorrected valve shutter adjustment See Instruction for the operator Defective internal component shutters piston etc Call...

Page 24: ...cialist waste disposal companies Oil and grease Yes Yes May require special treatment before disposal use specialist waste disposal companies Important In all cases check local authority regulation be...

Page 25: ...ision Via San Francesco 18 29017 Fiorenzuola d Arda PC Italy Tel 39 035 2928 2 Fax 39 0523 1715 295 IMI Critical Engineering Lakeside Solihull Parkway Birmingham Business Park Birmingham B37 7XZ Unite...

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