BIFFI ALGAS Installation, Operation And Maintenance Manual Download Page 18 | Manualshive

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March 2021

Installation, Operation and Maintenance Manual

MAN 604-1A Rev. 6

Installation

14

Section 2: Installation

2.

Balance the weight and lift the actuator until to make possible the rotation of
actuator in its final mounting position, with cylinder on top, or spring container
placed on top, as showed in the following images:

Figure 11

1.

Connect properly the actuator lifting points 1 with chains, and connect by suitable

slings the support brackets 2 and 3.

Figure 12

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Summary of Contents for ALGAS

Page 1: ...our website www biffi it or from your nearest Biffi Center Biffi Italia s r l Strada Biffi 165 29017 Fiorenzuola d Arda PC Italy PH 39 0523 944 411 biffi_italia biffi it Biffi ALGAS MHW or MRHW Spring...

Page 2: ...6 March 2021 Migration to new template 5 December 2019 Added Declutch able type Ermanni Orefici Vigliano 4 March 2018 Update Data plate Ermanni Orefici Vigliano 3 April 2016 Updated applicable regulat...

Page 3: ...5 2 3 2 Valve Stem with Vertical Axis 10 2 3 3 Valve Stem with Horizontal Axis 13 Section 3 Operation and Use 3 1 Setting of the Angular Stroke 16 3 1 1 Travel Stop screw Screwed on the End of Manual...

Page 4: ...lacement of the Seals of Manual Override MHW 28 5 2 3 Replacement of the Seals of Reduced Manual Override MRHW 29 5 3 Lubrication of Mechanism 35 5 4 Dismantling and Demolition 36 Section 6 Troublesho...

Page 5: ...odified without notice 1 1 1 Applicable Regulation EN ISO 12100 2010 Safety of machinery General principles for design Risk assessment and risk reduction 2006 42 EC Machine directive 2014 68 EU Direct...

Page 6: ...warranty can last either one year from the date of installation by the initial user of the product or eighteen months from the date of shipment to the initial user depending on which event occurs firs...

Page 7: ...l and simplifies assembly The spring action can be easily changed in the field from to close in to open or from to open in to close modular design The angular stroke of the yoke is adjustable between...

Page 8: ...nt finish these conditions are guaranteed by an individual inspection certificate in order to maintain these characteristics until the actuator is installed on the plant it is necessary to observe a f...

Page 9: ...in accordance with ISO 5211 but for actuator models 0 3 to 6 the holes are drilled on the centreline in order to allow an easier assembly of an intermediate flange when required This intermediate fla...

Page 10: ...tion 45 d2 0 1 d3 0 2 d1 0 h 1 0 5 d4 h 2 d5 0 2 0 1 K 0 4 0 W D10 0 6 Section 2 Installation Dimensions in millimeters Actuator model d1 d2 d3 d4 N h1 h2 H max d5 W K Table 2 SCN6200 max H max Figure...

Page 11: ...nual MAN 604 1A Rev 6 March 2021 Installation d1 d4 h 2 d2 0 1 0 d3 0 2 h 1 0 5 0 d5 0 2 0 1 K 0 4 0 W D10 7 Section 2 Installation N 12 holes flange N 16 holes flange max Table 3 SCN6201 Dimensions i...

Page 12: ...d1 d4 h 2 d2 0 1 0 d3 0 2 h 1 0 5 0 d5 0 2 0 1 K 0 4 0 WD10 8 Section 2 Installation max Figure 4 Coupling dimensions Models 50 and 60 Dimensions in millimetersw Actuator model d1 d2 d3 d4 N h1 h2 H m...

Page 13: ...for the standard models size 0 3 to 6 Biffi can supply an insert bush with unmachined bore in accordance with Biffi standard table SCN6202 On request the insert bush bore can be machined by Biffi to c...

Page 14: ...ed personnel and in accordance with the laws and regulations in force Avoid the lifted actuator to be hung above the personnel WARNING The actuator must be lifted by means of a suitable lifting appara...

Page 15: ...rsional effects on the load being lifted Use the utmost caution and remain at a safe distance from lifted actuator unless absolutely necessary do not stand or pass under suspended loads Pay attention...

Page 16: ...the assembly easier Be careful not to pour any of it onto the flange 4 Clean the valve flange and remove anything that might prevent a perfect adherence to the actuator flange and especially all trace...

Page 17: ...he holes of the actuator flange or the stud bolts screwed into them the actuator drive sleeve must be rotated feed the actuator cylinder with air at proper pressure indicated on data sheet for actuato...

Page 18: ...t and lift the actuator until to make possible the rotation of actuator in its final mounting position with cylinder on top or spring container placed on top as showed in the following images Figure 1...

Page 19: ...entered the actuator drive sleeve check the holes of the valve flange If they do not meet with the holes of the actuator flange or the stud bolts screwed into them the actuator drive sleeve must be ro...

Page 20: ...beyond the end position fully open or closed valve actuate the handwheel of manual override and screw the stop screw by turning it clockwise until the valve reaches the right position 5 Tighten the lo...

Page 21: ...ntenance Manual MAN 604 1A Rev 6 March 2021 Operation and Use 17 Section 3 Operation and Use Figure 15 Table 7 3 1 2 Travel Stop screw Screwed on the End of Mechanical Manual Override Table 8 ALGAS ac...

Page 22: ...he stop screw v by turning it anticlockwise until the valve reaches the correct position 3 If the stop screw is too hard to be operated reduce or remove the cylinder pressure in order to move the mech...

Page 23: ...100 5400 17 100 8300 17 100 9200 17 100 9400 17 100 9600 17 100 9800 17 100 9900 17 100 10500 17 100 11000 17 100 12000 17 100 15000 17 130 15400 17 130 15600 17 130 17300 17 130 18400 17 130 18600 17...

Page 24: ...of operation being carried out as clearly reported on the microswitch End of stroke microswitches should be operated before the stop of the stroke of the actuator due to mechanical stops Adjust the re...

Page 25: ...the operation of the actuator with pressure drops not exceeding the maximum allowable value The shape of the connecting piping must not cause excessive stress to the inlets of the actuator The piping...

Page 26: ...onnect the electrical feed control and signal lines to the actuator by linking them up with the terminal blocks of the electrical components In order to do this the housing covers must be removed with...

Page 27: ...ests and Inspections 23 Section 4 Operational Tests and Inspections Section 4 Operational Tests and Inspections NOTICE To ensure the guaranteed SIL grade according to IEC 61508 the functionality of ac...

Page 28: ...actuator operates the valve correctly and with the required operating times If the actuator operation is very infrequent carry out a few opening and closing operations with all the existing controls...

Page 29: ...reference to the follow general sectional drawing and adopting the following procedures WARNING If the actuator can be operated it is essential to take it to fail safe position with the spring totally...

Page 30: ...ctive grease film 1 Replace the O ring 47 of the head flange 17 2 Replace the O ring 49 and the guide sliding ring 48 of the piston 21 3 Replace the O ring 47 of the end flange 22 5 2 1 2 Re assembly...

Page 31: ...bush 56 Jackscrew 7 Screw 32 Washer 57 Thrust bearing washer 8 Housing 33 Cover 58 O ring 9 Guide bar 34 Screw 59 O ring 10 Cover gasket 35 Guide block pin 60 Handwheel 11 Yoke 36 Vent valve 61 Screw...

Page 32: ...be 51 7 Remove the O rings 58 59 from their grooves in the flange Carefully clean the grooves and lubricate them with protective grease film Assemble the new O rings into their grooves and lubricate t...

Page 33: ...clean the grooves and lubricate them with protective grease film Assemble the new O rings into their grooves and lubricate them 8 Move the spacer bracket along the protection tube up to reach its work...

Page 34: ...orm gear box upper body Aluminium ASTM B85 73 Alloy S12B 15 1 O ring NBR 16 1 O ring NBR 17 1 Drive sleeve Carbon steel API 5LX gr X52 18 1 Jackscrew Alloy steel bronze AISI SAE 9840 ASTM B427 Alloy 9...

Page 35: ...rbon steel AISI SAE 1040 14 1 Gear box Aluminium ASTM B85 73 Alloy S12B 15 1 O ring NBR 16 1 O ring NBR 17 1 Drive sleeve Carbon steel API 5LX gr X52 18 1 Jackscrew Alloy steel bronze AISI SAE 9840 AS...

Page 36: ...ng screw Alloy steel 6 1 Washer Carbon steel 7 1 Seat scrape ring Carbon steel 8 1 Nut Stainless steel 9 1 Jackscrew Alloy steel bronze 10 1 Thrust bearing washer Alloy steel 11 1 O ring NBR rubber 12...

Page 37: ...Installation Operation and Maintenance Manual MAN 604 1A Rev 6 March 2021 Maintenance 33 Section 5 Maintenance Figure 24 Mechanical manual override DMRHW Declutch able Reduced...

Page 38: ...her Carbon steel 19 1 Nut Carbon steel 20 1 O ring NBR rubber 21 1 Handwheel Carbon steel 22 1 Bushing Stainless steel 23 1 O ring NBR rubber 24 2 Bushing Steel Bz Teflon 25 1 Spacer Stainless steel 2...

Page 39: ...e into spring cartridge for this operation remove the plug on end flange of spring cartridge and restore a generous coating of grease The following grease is used by Biffi for standard working tempera...

Page 40: ...s discharged from the cylinder by the linear movement generated from the spring releasing It moves actuator and consequently the valve in hits fail safe position If actuator is still mounted onto the...

Page 41: ...low Low supply pressure Restore Section 1 4 Wrong calibration of flow regulator valves Restore Section 3 6 Bad functioning of quick exhaust valve Call Biffi Italia s r l Customer Service Wear of the v...

Page 42: ...e to Biffi order confirmation concerning all the supply and serial number of the actuator Section 1 2 for any specific spare part for a specific actuator model Please send every spare parts request to...

Page 43: ...que MOT has to be 1 5 The actuator mechanism has to be lubricated in accordance with indication given on this IOM Table 18 Parts List Item Qty Description Material 1 4 O ring NBR rubber 2 2 Yoke bushi...

Page 44: ...ing NBR 4 1 Head flange Carbon steel 5 16 Nut Carbon steel 6 8 Tie rod Alloy steel 7 1 Cylinder tube Carbon steel 8 1 Piston Rod Alloy steel 9 1 Piston Carbon steel 10 1 End flange Carbon steel 11 1 L...

Page 45: ...Washer Carbon steel 3 1 Sealing washer PVC 4 1 Stop setting screw Carbon steel 5 1 Spring container Carbon steel 6 1 Spring Carbon steel 7 1 Nut Carbon steel 8 1 Shoulder washer Alloy steel 9 1 Rod b...

Page 46: ...ecommended spare parts Table 21 Parts List Figure 28 Assembly kit Item Qty Description Material 1 4 Screw Alloy steel 2 1 Gasket Fiber 3 1 Side plate Carbon steel 4 2 Gasket Fiber 5 1 Washer Carbon st...

Page 47: ...ance Operations 43 Section 8 Date Report for Maintenance Operations Section 8 Date Report for Maintenance Operations Last maintenance operation date in factory on delivery exec by exec by exec by Next...

Page 48: ...ublication are presented for information purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regardi...

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