Related Manuals for IMI SC Series
Summary of Contents for IMI SC Series
- Page 1 SC/VHS - VALVE HYDRAULIC ACTUATOR Single acting stainless steel version type INSTRUCTION MANUAL 5021...
- Page 2 STI S.r.l has taken every care in collecting and verifying the documentation contained in this Instruction Manual. The information herein contained are reserved property of STI S.r.l. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS...
-
Page 3: Table Of Contents
PARTS LIST GENERAL ASSEMBLY .................... 23 SPARE PARTS ..........................27 DECOMMISSIONING ........................28 DECLARATION OF INCORPORATION ..................30 _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS ii -... -
Page 4: General Information
STI’s authorisation work done on the unit by unqualified or unsuitable persons. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS... -
Page 5: Applicable Standards And Directives
(with protective wear wear a helmet. protect the protect your the possible clothing. protective eyes. hearing. supplementary footwear. signboard) _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS... -
Page 6: Device Description
The SC/VHS actuator is composed by the following main parts: Adapting valve assembly Hydraulic cylinder Stop setting screw kit Fig. 1: Main parts for SC/VHS actuator series _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS... -
Page 7: Actuator Coding Description
2.3 Actuator coding description Version SCVHS Single acting CYLINDER DIAMETER Stroke Accessories Manual handwheel Manual handwheel with reduction Hydraulic hand pump _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS... -
Page 8: Technical Data
It is forbidden to modify the information and the marks without previous written authorization by STI S.r.l. 4 IDENTIFICATION PLATE _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS... -
Page 9: Installation
For base actuator dimensions and weights please consult www.stiactuation.com Fig. 2 – Lifting points for SC/VHS actuator series _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS... -
Page 10: Reception
5.5 Interface document and dimensional drawing Hydraulic diagrams, wiring diagrams and dimensional drawing are furnished with document accompanying the actuator. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS... -
Page 11: Installation
Screw the stud bolts into the actuator pedestal flange, and screw the nuts on the stud bolts. Tighten according to the nut size torque requirements. Fig. 3 _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS... - Page 12 Make the connections according to the operating diagram. Check the absence of leakages from hydraulic connections. If necessary tighten the nuts of the pipe- fittings. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS...
- Page 13 If the hearting connection is not guaranteed trough mechanical parts where actuator is mounted, it is necessary ensure a directly hearting connection on provided point of actuator. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 10 -...
-
Page 14: Disassembling
+ actuator assembly. Screws to remove Fig. 4 – Disassembling of the actuator _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 11 -... -
Page 15: Operation And Use
It is severely forbidden to use the SC/VHS actuators series for purpose or application other than those for which it was designed and here above specified. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 12 -... -
Page 16: Reasonably Foreseeable Misuse
8.6 ) _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 13 -... -
Page 17: Instructions For The Operator
Remove all rust and, in accordance with the applicable painting specifications, repair paint-coat that has been damaged during transport, storage or assembly. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 14 -... -
Page 18: Stroke Adjustment
After stroke adjustment, operate the actuator with hydraulic supply to check that the actuator moves properly and that there are no leakages. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 15 -... -
Page 19: Maintenance
If STI products (i.e. gasket, o-ring etc) have been on store for longer periods check these for corrosion or deterioration before using these products. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 16 -... -
Page 20: Special Maintenance
Close the hydraulic feed line and make sure that there is no pressure in the actuator cylinder and the control unit, to ensure safety of maintenance staff. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 17 -... - Page 21 Before unmounting the cylinder (2) it’s necessary first of all disassemble the valve adaptation assembly (1.1) and the coupling joint (1.2) by unscrewing the screws (1.3) and (1.4) (fig. 6.1). _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 18 -...
- Page 22 It is possible to disassemble and replace seals of hydraulic cylinder disconnecting it from the actuator body in order to bring in a safe area. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 19 -...
-
Page 23: Repairs
After maintenance operations carry out a few actuator operations to check that its STROKING is regular and that there is no leak through the seals and fittings. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 20 -... -
Page 24: Mechanism Lubrication
Pour Point: < -60 °C Mass density at 15°C: 0,857 Kg/l Mass density at 15°C: 0,87 Kg/l _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 21 -... -
Page 25: Troubleshooting
Incorrect position of the Wrong adjustment of Re-adjust setting valve mechanical stops Wrong electric limit Re-adjust setting switches indication. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 22 -... -
Page 26: Parts List General Assembly
Important: When ordering spare parts, please refer to the spare part kit on the attached drawings. Important: When ordering spare parts, use ONLY original STI spare parts. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 23 -... - Page 27 (*) NBR standard material for temperature range from -20°C up to +100°C. (**) Quantity depends on the model. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 24 -...
- Page 28 NBR (*) O-ring NBR (*) Sliding ring for piston PTFE/NBR (*) Adaptor Stainless steel Washer Alloy steel _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 25 -...
- Page 29 NBR (*) Stainless steel Plug (*) NBR standard material for temperature range from -20°C up to +100°C. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 26 -...
-
Page 30: Spare Parts
_____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 27 -... -
Page 31: Decommissioning
May require special treatment before disposal, use specialist waste disposal companies Electric and Electronic equipment Use specialist recyclers _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 28 -... - Page 32 Important: In all cases check local authority regulation before disposal. _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 29 -...
-
Page 33: Declaration Of Incorporation
13 DECLARATION OF INCORPORATION _____________________________________________________________________________________ STI S.r.l. – Via Dei Caravaggi 15, 24040 Levate (BG) – ITALY www.imi-critical.com Manual 5021, rev. 00 10/2015 – SC/VHS 30 -...