DELTA SD4. Operating Manual. Double Seal Valve. Read and understand this manual prior to operating or servicing this product.

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Transcription:

Operating Manual Read and understand this manual prior to operating or servicing this product.

Declaration of Conformity for Valves and Valve Manifolds SPX Flow Technology Rosista GmbH, Zechenstr. 49, D-59425 Unna-Königsborn herewith declares that the double seat valves of the series D2, SD4, SDT4, SDM4, SWcip4, DSV, DA3, DE3, DEU3, DET3, DKR2, DKRT2, DKRH2 in the nominal diameters DN 25-150, 1 6 and 1 Sh5-6 Sh5 butterfly valves of the series SV1 and SVS 1 F in the nominal diameters DN 25-100, DN 125-250 and 1 4 ball cocks of the series KH, KHV in the nominal diameters DN 15-100 single seat, diaphragm and spring loaded valves of the series S2, SW4, SWmini4, SWT4, M3, MF3, M4, MF4, MP4, MS4, AP1, APT1, CPV, RG4, RGM4, RGE4, RGEM4, PR2, PR3, PR4, SI2, UF3, VRA,VRAH in the nominal diameters DN 10-150, 1/2 4 and 1 Sh5-6 Sh5 and the valve manifolds installed thereof meet the requirements of the Directives 2006/42/EC (superseding 89/392/EEC and 98/37/EC) and GPSG - 9.GPSGV. For official inspections, SPX Flow Technology Rosista GmbH presents a technical documentation according to Appendix VII of the Machinery Directive, this documentation consisting of documents of the development and construction, description of measures taken to meet the conformity and to correspond with the basic requirements on safety and health, incl. an analysis of the risks, as well as an operating manual with safety instructions. The conformity of the valves and valve manifolds is guaranteed. Authorised person for the documentation: SPX Flow Technology Rosista GmbH, Frank Baumbach, Zechenstr. 49, D-59425 Unna November 30, 2010 Manager Research and Development

-UK3.qxp / 04.2009 Table of Contents Page 1. General Terms 2 2. Safety Instructions 2 3. Mode of Operation 3 4. Auxiliary Equipment 4-5 4.1 Valve position indication (proximity switches) 4.2 Control Unit 4.3 Connections 5. Cleaning 6 5.1. Flow chambers 5.2. Leakage chamber 5.3. Cleaning recommendation 5.4. Cleaning of leakage chamber by leakage valves 7 6. Installation 6.1 Welding instructions 7. Dimensions / Weights 8-9 7.1 SD41, SD42 7.2 SDE43, SDE44 8. Technical Data 10-12 8.1 General terms 8.2 Specification of compressed air quality 8.3 kvs - values 8.4 Product pressures 8.5 Valve stroke 8.6 Pneumatic air consumption 9. Maintenance 13 9.1 Assembly tool 10. Service Instructions 14-17 10.1. Disassembly from the line system 10.2. Dismantling of wear parts (product-wetted parts) 10.3. Installation of seals and Assembly of valve 10.4. Installation of valve insert 11. Service Instructions - Leakage valves 18 11.1 Maintenance of leakage valves 12. Service Instructions - Actuator 19-20 12.1. Maintenance of actuator 12.2. Dismantling of seals 12.3. Installation of seals and Assembly of actuator 12.4. Modification of actuator size 13. Assembly Tool 21 13.1. Installation of seat seal in the valve shaft 14. Trouble Shooting 22 15. Spare Parts Lists DN design RN 01.054.62 Inch design RN 01.054.62-1 Actuator RN 01.054.86 Leakage valves RN 01.054.67 1

-UK3.qxp / 04.2009 1. General Terms This operating manual has to be read carefully and observed by the competent operating and maintenance personnel We have to point out that we will not accept any liability for damage or malfunctions resulting from the non-compliance with this operating manual. Descriptions and data given herein are subject to technical changes. 2. Safety Instructions! DANGER! - The technical safety symbol draws your attention to important directions for operating safety. You will find it wherever the activities described are bearing risks of personal injury. - Electric and pneumatic connections must be separated. - Before any maintenance of the valve, the line and cleaning system must be depressurized.! - Do not reach into the open valve. Risk of injury by suddenly operating valve. In dismantled state there is the risk of bruising at movable parts of the valve. - Observe Service Instructions to ensure safe maintenance of the valve. The valve must only be assembled, disassembled and reassembled by persons who have been trained in APV valves or by APV service team members. If necessary, contact your local APV representative.! - Attention! With valve design NC (normally closed): Before releasing the housing screws, the actuator must be controlled with air.! - Attention! Welded actuators are preloaded by spring force. Opening of the actuators is strictly forbidden. Danger to life! Actuators which are no longer used and / or defective must be disposed in professional manner. Defective actuators must be returned to your APV Solutions & Services company for their professional disposal and free of charge for you. Please address to your local APV representative. 2

-UK3.qxp / 04.2009 3. Mode of Operation control unit CU41N-S-Direct Connect Double seal valves have been developed for use in the brewing and beverage industries, in dairy and food applications as well as for the chemical and pharmaceutical industries. The field of application of the comprises the safe shut-off of line sections which are separated from one another by two seat seals. A leakage chamber is arranged between the seals, the leakage chamber being forcible closed by the two leakage valves or opened to the atmosphere. Leakage at the seat seals is discharged via the leakage valves to the atmosphere and indicated. actuator - Operation by pneumatic actuator with air connection. The actuator is generally mounted normally closed (NC). - The inner parts of the actuator are maitenance-free. - To avoid pressure hammers, the valve is to be closed against the flow direction of the fluid. yoke - As standard design a control unit DELTA CU41N with NOT element is installed on top of the actuator for the pneumatic control of the valve. The NOT element fulfills the task to increase the closing forces of the closed valve. - The yellow luminous diodes in the control unit indicate the position of the valve shaft. - Observe Service Instructions to ensure safe maintenance of the valve. leakage valve shaft housing 3

-UK3.qxp / 04.2009 4. Auxiliary Equipment VSM 4.1. Valve position indication A proximity switch holder (PSH) for the valve position indication can be installed on the actuator (fig. 4.1.). Attention: If the valve is equipped with a valve position indicator or a control unit without NOT element, the max. closing pressure reduces (see page 10, max. product pressures). - Proximity switches to signal the limit position of the valve disc can be mounted to the proximity switch holder (PSH) if required. We recommend to use one of our APV standard types: operating distance: 5 mm / diameter: 11 mm. If the operator decides to use valve position indicators other than APV type, we cannot take over any guarantee for a faultless function. - Control Unit The assembly of a control unit on the SD4 valve is possible. The following different designs are available: Direct Connect reference No. Profibus reference No. Device Net reference No. AS - Interface reference No. 1 solenoid valve CU41-S-Direct Connect 08-45 - 100/93; H320460 CU31 Profibus 08-45 - 001/93; H315495 CU31 Device Net 16-31 - 240/93; H209422 CU31 AS-interface 08-45 - 020/93; H315507 1 solenoid valve with NOT element (standard) CU41N-S-Direct Connect 08-45 - 103/93; H320463 CU31N Profibus 08-45 - 002/93; H315496 CU31N Device Net 16-31 - 241/93; H209423 CU31N AS-interface 08-45 - 021/93; H315508 CU3 control unit - For the installation of the control unit on the SD4 valve an adapter is required. Designation: reference number: CU3 - adapter SD4 / SDM4 08-48-415/93; H209430 CU4 control unit Designation: reference number: CU4-S-adapter complete 08-48-600/93; H320474 4

-UK3.qxp / 04.2009 4. Auxiliary Equipment 4.3 Connections: Beside the housings with weld ends, the following designs are alternatively available: - threaded port according to DIN 11851 - threaded port IDF / ISS according to ISO 2853 - threaded port RJT according to BS 4825-5 - threaded port SMS - threaded port according to DS 722 - flange connection FGN1 DIN - flange connection FGN1 Inch - clamp connection according to DIN 32676 - clamp connection according to ISO 2852 5

-UK3.qxp / 04.2009 5. Cleaning For the cleaning of SD4 valves distinction is made between two areas. 5.1 The flow chambers The passages of the valve are cleaned by the cleaning liquid during the cleaning of the connected pipelines. 5.2 The leakage chamber Cleaning of the leakage chamber is undertaken via the leakage valves. The cleaning liquid is supplied via one leakage valve and discharged to the atmosphere via the second leakage valve. The restraint passage of the cleaning liquid provides for a perfect cleaning of the whole leakage chamber. Under normal conditions, 15 valves DN 25/1-100/4 can be cleaned by one spray distribution line DN 25. 5.3 Cleaning recommendation Recommendation for cleaning times with common operating conditions and CIP liquids. cleaning step pre-flushing caustic flushing 80 C intermediate flushing acid flushing subsequent flushing CIP - spraying cycle 3 x 10 sec. 3 x 10 sec. 2 x 10 sec. 3 x 10 sec. 2 x 10 sec. - Depending on the pressure ratio, cleaning temperatures and degree of soiling, different times have to be adjusted. 5.4 Cleaning of the leakage chamber by the leakage valves - Flushing quantity per CIP spraying cycle about 1,2ltr/10s - Cleaning pressure at CIP cleaning connection min. 2 bar. max. 5 bar. CIP IN CIP OUT G 1/8 6

-UK3.qxp / 04.2009 6. Installation - Installation has to be done in such a way that fluids can drain off the valve housing and is preferably to be realized in vertical position. - The valve housing can be welded direct into the pipeline (compl. dismantable valve insert). - Attention: Observe welding instructions. 6.1 Welding Instructions SD4 - Before welding of the valve, the valve insert must be dismantled from the housing. Careful handling to avoid damage to the parts is necessary. - Welding should only be carried out by certified welders (EN 287-1). (Seam quality EN 25817 B ). - The welding of the valve housings must be undertaken in such a way that the valve body is not deformed. - The preparation of the weld seam up to 3 mm thickness must be carried out as a square butt joint without air. (Consider shrinkage!) - TIG orbital welding is best! - After welding of the valve housings or of the mating flanges and after work at the pipelines, the corresponding parts of the installation or pipelines must be cleaned from welding residues and soiling. If these cleaning instructions are not observed, welding residues and dirt particles can settle in the valve and cause damage. - Any damage resulting from the non-observance of these welding instructions is not subject to our guarantee. 7

-UK3.qxp / 04.2009 7. Dimensions / Weights 7.1. 1, SD42 mit Control Unit with valve position indication Ø 134 L1 A1 104 200 A housing variants SD41 SD42 Ø Di L Ø K F G ⅛ G F dimensions in mm DN A A1 ø Di F G ø K L L1 weight in kg 25 409 337 26 50 126 86 459 387 5,4 40 415 343 38 67 129 86 482 399 6,1 50 452 380 50 72 133 126 524 442 8,3 65 460,5 388 66 85 145 126 545,5 459 10,0 80 512,5 441 81 98 153 189 610 520 16,5 100 522,5 451 100 111 162 189 633,5 540 18,3 Inch 1 407 335 22,6 50 126 86 457 383 5,4 1,5 413 341 34,9 67 129 86 480 395 6,1 2 451 379 47,6 72 133 126 523 440 8,3 2,5 457,5 385 60,3 85 142 126 542,5 453 9,5 3 508,5 436 72,9 100 148 189 598,5 510 15,6 4 520,5 449 97,6 111 162 189 631,5 533 18,3 8

-UK3.qxp / 04.2009 7. Dimensions / Weights 7.2 DELTA SDE43, SDE44 with control unit with valve position indication Ø 134 L1 A1 104 200 housing variants SDE43 SDE44 B H L Ø K A G Ø Di F F dimensions in mm DN A A1 B ø Di F G H ø K L L1 weight in kg 25 409 337 14,5 26 50 126 60 86 483,5 411,5 5,8 40 415 343 20,5 38 67 129 72 86 507,5 435,5 6,6 50 452 380 26,5 50 72 133 84 126 562,5 490,5 8,8 65 460,5 388 35,0 66 85 145 100 126 595,5 523,0 10,5 80 512,5 441 42,5 81 98 153 115 189 670,0 598,5 17,1 100 522,5 451 52,0 100 111 162 134 189 708,5 637,0 18,9 Inch 1 407 335 12,5 22,6 50 126 56,6 86 476,1 404,1 5,8 1,5 413 341 19,0 34,9 67 129 68,9 86 500,1 428,9 6,6 2 451 379 25,4 47,6 72 133 81,6 126 558,0 486,0 8,8 2,5 457,5 385 31,7 60,3 85 142 94,3 126 583,5 511,1 10,0 3 508,5 436 38,0 72,9 100 148 106,9 189 653,5 580,9 16,2 4 520,5 449 50,8 97,6 111 162 131,6 189 702,9 631,4 18,9 9

-UK3.qxp / 04.2009 8. Technical Data 8.1 General terms Product-wetted parts: 316 L, 1.4404 Other parts: 1.4301 Seals: standard: EPDM Option: FPM, VMQ, HNBR Actuator: 1.4301 max. operating temperature: short-term load: 135 C EPDM, HNBR *FPM, *VMQ 140 C EPDM, HNBR *FPM, *VMQ, * no steam CIP-connection for leakage valve: G1/8 air connection (for hose): max. pneumatic air pressure: min. pneumatic air pressure: 6x1mm 8 bar 6 bar Closing times for double seal valves The opening and closing times can be fixed by adjusting the throttle screw at the solenoid valve. 8.2. Specification of compressed air quality compressed air quality: quality class acc. to DIN/ISO 8573-1 content of solid particles: Quality Class3 max. size of solid particles per m³ 10000 of 0,5µm <d<1,0 µm 500 of 1,0µm <d<5,0 µm content of water: Quality Class 4 max. dew point temperature + 3 C For installations at lower temperatures or at higher altitudes, additional measures must be considered to reduce the pressure dew point accordingly. content of oil: Quality Class 1 max. 0,01 mg/m³ (The oil applied must be compatible with Polyurethane elastomer materials.) 10

-UK3.qxp / 04.2009 8. Technical Data 8.3 kvs values for SD4 valves in m /h DN SD41, SD42 SDE43, SDE44 SD41, SD42 SDE43, SDE44 25 19 20 40 42 39 50 88 70 65 145 120 80 175 190 100 220 265 Inch 1 15 16 1,5 39 26 2 79 63 2,5 124 106 3 155 150 4 215 258 8.4 max. product pressure in (bar) DN max. line pressure in (bar) valve normally closed without NOT - element or with compressed air failure Inch Ø 74mm actuator Ø 110mm actuator 25 1 6,4 16,0 40 1,5 3,6 9,6 Ø 165mm actuator 50 2 6,0 11,2 2,5 4,7 11,6 65 3,5 9,3 3 8,0 80 6,0 100 4 4,4 DN max. product pressures in (bar) valve normally closed with NOT - element max. product pressure limited to 17,6 bar by seal technology Inch Ø 74mm actuator Ø 110mm actuator 25 1 16,0 16,8 40 1,5 12,4 17,6 Ø 165mm actuator 50 2 17,6 17,6 2,5 14,0 16,0 65 10,5 17,6 3 17,6 80 17,2 100 4 12,8 11

-UK3.qxp / 04.2009 8. Technical Data 8.5 Valve stroke SD4 dimensions in mm stroke DN stroke 25 15 40 25 50 28 65 28 80 28 100 28 Inch 1 15 1,5 25 2 28 2,5 28 3 28 4 28 8.6. Pneumatic air consumption at 6 bar control air pressure without NOT- elemet Actuator per stroke NL Ø 74mm 1,0 Ø 110mm 2,1 Ø 165mm 4,5 12

-UK3.qxp / 04.2009 9. Maintenance - The maintenance intervals depend on the corresponding application and should be determined by the operator carrying out temporary checks. - Required tools: - 1x spanner SW13-1x spanner SW17-1x spanner SW19-1x hexagon socket screw key 6 mm - Replacement of seals according to Service Instructions. - Slightly grease all seals before their installation!!!!! - Hint: The seal sets for the old and the new valve design are the same. Recommendation: APV food-grade grease for EPDM, HNBR, FPM (0,75 kg/ tin - ref.-no. 000 70-01-019/93) (60 g/ tube - ref.-no. 000 70-01-018/93) or APV food-grade grease for VMQ (Silicone) (0,6 kg/ tin - ref.-no. 000 70-01-017/93) (60 g/ tube - ref.-no. 000 70-01-016/93)! No matter what type of application, use only those greases being suited for the respective seal material. 9.1 Assembly tool for seat seal (11.1) (Assembly tool to be used for new valve design produced from Nov. 2000, only.) To simplify the installation of the seat seal, the following assembly tools are available. Assembly tool SD4 DN Inch reference number 25 1 000 51-13 - 200/17; H203861 40 1,5 000 51-13 - 201/17; H203862 50 2 000 51-13 - 202/17; H203863 2,5 000 51-13 - 203/17; H203864 65 000 51-13 - 204/17; H203865 3 000 51-13 - 205/17; H203866 80 000 51-13 - 206/17; H203867 100 4 000 51-13 - 207/17; H203868 13

-UK3.qxp / 04.2009 10. Service Instructions DELTA SD 41, SD 42, SDE 43, SDE 44 The item numbers refer to the corresponding spare parts lists. DN: RN 01.054.62 / Inch: RN 01.054.062-1 10.1. Dismantling from the line system 1. Shut off line pressure and discharge lines if possible. 2. Valve design NC (normally closed): Control actuator with air!! Do not touch movable parts! Risk of injury. 3. Remove hexagon screws (4) and lift valve insert including actuator out of the housing (1). 4. Valve design NC (normally closed): Shut off compressed air and detach compressed air supply. The actuator is supplied with compressed air via the NOT element. 5. Design with control unit Detach control unit. housing - Design with valve position indication: Detach proximity switches. Take the indicator housing (proximity switch holder) off the actuator. 14

-UK3.qxp / 04.2009 10. Service Instructions fig. 10.2.1. indicator housing actuator screw centering washer guide rod actuator 10.2. Dismantling of wear parts (product-wetted parts) 1. CU design: Unscrew and remove actuator screw. Unscrew hex. screw (22), while holding up the centering washer (21). Remove the centering washer. - Design with valve position indicator: Unscrew and remove actuator screw, while holding up the centering washer (21). Remove the centering washer. (fig. 10.2.1.). control unit acutator screw hex. nut. centering washer actuator yoke guide bush housing seal 2. Pull valve shaft (2) with guide rod out of the actuator (18). Remove seat seals (12, 11/11.1).! Valve shaft changed from 11.2000, see seat seal (fig. 10.2.2.) (assembly see 10.3.3.-4.). 3. Unscrew yoke (5) from acutator (18). - The actuator can be maintained (see 11. Service Instructions - Actuator). 4. Remove seat seal (10), shaft seal (9), guide bush (8) and housing seal (3). (assembly see 10.3.1.and 10.3.5.) 5. Clean the valve housing, yoke, actuator and shaft with a low solution of a cleaning agent. Never use cleaning agents containing abrasive or polishing particles. shaft seal, seat seal seat seals valve shaft fig. 10.2.2. valve shaft until 10.2000 valve shaft changed from 11.2000 11 11.1 15

-UK3.qxp / 04.2009 10. Service Instructions fig. 10.3.1. yoke guide bush shaft seal seat seal housing seal 10.3. Installation of seals and assembly of valve 1. Insert the guide bushes (8) in the yoke (5). Afterwards place the shaft seal (9) and press in the slightly greased seat seal (10) (see fig. 10.3.1.) See to the correct direction of installation of the seal. 2. Assemble the yoke (5) on the actuator (18). 3. Insert the two seat seals (11/11.1, 12) in the shaft (2). Slightly grease the seat seals before their installation. During the installation the seal groove should be vented between the seal and the groove wall with a thin object. See to an even fit of the seals. For the modified design of the seat seal 11.1 the assembly tool should be used to install the seal (see pages 13 and 21). 4. Slide the shaft (2) through theyoke (5) and the actuator (18), place the centering washer (20) and fasten the nut (21) until it stops. Hold up the centering washer during this process. Tightening torque: 40 Nm. Fasten the actuator screw. 5. Slightly grease the housing seal (3) and install it in the groove of the yoke flange. 16

-UK3.qxp / 04.2009 10. Service Instructions 10.4. Installation of the valve insert SD4 1. CU design: Fasten the adapter on the actuator. Place the control unit on the adapter and secure it. - Design with valve position indicator: Fasten the valve position indicator housing (24). 2. For the installation of the valve insert in the design NC (normally closed), observe the following: - Control the actuator (NC design) with pneumatic air min. 6bar. Insert the valve insert carefully into the valve housing. The housing seal (3) must not be damaged during the installation into the housing. Tighten the hex. screws crosswise into the housing flange.! Do not touch movable parts! Risk of injury! Design NC (normally closed) : Shut off air. housing 3. Check the basic adjustment of the valve position indication. - By turning the positioning screw in the control unit, the shift points can be adjusted. fig. 9.4. NO limit position NC proximity switch holder positioning screw - Design with valve position indication: Plug the proximity switches and fasten them. Readjust the proximity switches if necessary. 4. Adjustment of proximity switches (fig. 9.4.) - Place the actuator into one limit position. - Move the corresponding proximity switch into the corresponding position. For this purpose, release the positioning screw and move the holder until the corresponding signal is indicated. Afterwards continue the movement by 2 to 3 mm in order to secure the indication. Fasten the positioning screw. - Place the actuator into the other limit position and carry out the positioning of the second proximity switch. - Upper valve position indication: valve normally open NO - Lower valve position indication: valve normally closed NC 17

-UK3.qxp / 04.2009 11. Service Instructions - Leakage valves 11.1 Maintenance of leakage valves The item numbers refer to the corresponding spare parts list leakage valves SD4 RN: 01.054.67 1. Disconnect the pneumatic air hoses at the two leakage valves. 2. Shut off and discharge the CIP supply line. 3. Remove the CIP supply and discharge lines from the leakage valves. 4. Release the hexagon socket screw and remove the strap. Pull the leakage valves out of the housing flange. 5. Pull out the cap (3), piston (2) and spring (6). 6. Dismantle all seals (5, 7, 8). 7. The assembly is undertaken in reverse order. 3 6 2 5 7 8 hexagon socket screw spacer support for leakage valves strap 18

-UK3.qxp / 04.2009 12. Service Instructions - Actuator piston rod seal screw v-seal o-ring air connection 12.1. Maintenance of actuator Spare parts list: SW4 actuator RN: 01.054.86 1. Detach the air hoses from the actuator. 2. Undo the hexagon socket screws from the adapter of the control unit. - Remove the control unit. 12.2. Dismantling of seals 1. Unscrew the two seal screws by means of a spanner SW30, while holding up the actuator with a strap wrench. actuator 2. Remove o-rings and v-seals. 12.3. Installation of seals and assembly of actuator fig. 12.3 v-seal o-ring 1. Install the slightly greased o-rings and v-seals into the seal screws. (fig. 12.3) See to the correct installation position of the v-seal. 2. Slide the seal screws at both sides of the actuator over the piston rod and fasten them. 3. Fasten the adapter for the control unit and the yoke on the actuator. seal screw Attention: Attention: Observe the position of the adapter. During the assembly of the adapter and of the yoke, observe the required valve design NC or NO. NC (FS) = normally closed air-to-raise, spring-to-lower NO (FH) = normally open air-to-lower, spring-to-raise 4. Fasten the air hoses. 19

-UK3.qxp / 04.2009 12. Service Instructions - Actuator At SD4 valves, the size of the actuator can be changed. 12.4. To increase or decrease the actuator sizes ( ø 74 mm, ø 110 mm, ø 165 mm), the corresponding line pressures must be considered, see table page 11. Modification of actuator Dismantling 1. Dismantling of double seal valves is carried out as described in chapter 10 items I. and II. 2. To change the actuator size, the guide rod (6) must be replaced as follows: Clamp the valve seat in a vice. Attention: See to the valve seat not being damaged (use protective jaws or cleaning rags). The slightest damage at the shaft rod can lead to leakages. 3. The guide rod can be turned out of the shaft by means of the centering washer (20) and a spanner SW17. Assembly 1. Turn the corresponding guide rod into the shaft to the actuator. Tightening torque: 40 Nm 2. Further assembly as described in 10, items IV. to VI. 20

-UK3.qxp / 04.2009 13. Assembly Tool Attention! modified from 04.2001 12! By means of the assembly tool only the seat seal (11.1) can be installed. This seat seal must be mounted in the valve shaft, at first. 11.1 Then insert the seat seal (12) in the groove. Press the seal circumferentially into the groove with an assembly tool (screw driver with round edges). After the installation of the seat seal, vent the seal groove between the seal and the groove wall with the assembly tool. See to an even fit of the seal. valve shaft nut thrust ring ring seat seal housing valve shaft threaded bolt The assembly tool consists of: - nut - thrust ring - ring with venting nose - housing - threaded bolt 13.1 Installation of seat seal in valve shaft 1. Insert valve shaft into the housing in such a manner that the seal groove is in the valve housing. 2. Mount the shaft in the housing by means of the threaded bolts. Clamp the housing in the vise. 3. Slightly grease seat seal with APV food-grade grease. Place the seal on the ring with the venting nose until it stops. 4. Insert the ring with the installed seat seal into the housing and press it down until it stops. 5. Introduce the thrust ring into the housing. Screw on the nut and tighten it by a hook spanner until it stops. 6. Release the nut. Pull the ring and thrust ring out of the housing. 7. Take the housing out of the vise, remove the threaded bolts. Take the valve shaft out of the housing. Check the even fit of the seat seal. 21

-UK3.qxp / 04.2009 14. Trouble Shooting Failure Remedy valve is untight, leakages via the leakage valves leakages at the cylinder of the leakage valves Replace the seat seals (12, 12.1, 13). Check the line pressure; perm. line pressure, see chapter 8 Replace the o-rings. (see RN 01.054.67 or RN 01.054.67-1) Check the cleaning liquid supply. leakage between housing and yoke flange Replace the housing seal (3). air escapes from the actuator (see spare parts list RN: 01.054.86) Dismantle the actuator (19) from the valve. Replace the v-seal (2) and o-ring (3) in the seal screw (1). actuator does not work, air escapes permanently from the venting plug Replace the actuator. valve position indication is missing or unprecise Carry out fine adjustment according to Service Instructions of the control unit.! If damaged seals are changed, generally all seals should be replaced. For the valve service complete sets of seals are available (see spare parts lists). 15. Spare Parts Lists The reference numbers of the spare parts for the different valve designs and sizes are included in the attached spare parts drawings with corresponding lists. Please indicate the following data to place an order for spare parts: - number of parts required - reference number - designation. subject to change 22

BA SD4 0000002 ID: H176061 translation of original manual UK rev. 3 Your local contact: SPX Flow Technology Rosista GmbH Zechenstraße 49 D-59425 Unna Phone: +49(0) 23 03/ 108-0 Fax: +49(0) 23 03 / 108-210 For more information about our worldwide locations, approvals, certifications, and local representatives, please visit www.spxft.com. Copyright 2008 SPX Corporation The information contained in this document, including any specifications and other product details, are subject to change without notice. While we have taken care to ensure the information is accurate at the time of going to press, we assume no responsibility for errors or omissions nor for any damages resulting from the use of the information contained herein.