Installation & Operation Manual

Transcription

1 MFM/M0 Inlet/Outlet: (F) IN-LINE FLOW METER Installation & Operation Manual IMPORTANT! This manual contains important warnings and other information. READ AND KEEP FOR REFERENCE. S70, Rev A January 00

2 Disclaimer The user/purchaser is expected to read and understand the information provided in this manual, follow any listed Safety Precautions and Instructions, and keep this manual with the equipment for future reference. The information in this manual has been carefully checked and is believed to be entirely reliable and consistent with the product described. However, no responsibility is assumed for inaccuracies, nor does Groz assume any liability arising out of the application and use of the equipment described. Should the equipment be used in a manner not specified by Groz, the protection provided by the equipment may be impaired and the warranty voided. Questions or Service Assistance If you have questions regarding the product of this document, contact: Groz Engineering Tools (P) Ltd. Groz Net Industries Village Kherki Daula National Highway-8 Gurgaon - 00 Haryana India TEL /0, FAX , FAX (SA) FAX (K) On the web: or call your local Groz representative Product Identification Information Record the product identification numbers fro the nameplate here. Model # Date Code (if applicable) NON-COMMERCIAL This equipment must never be used to measure media for sale.

3 Table of Contents DISCLAIMER Back of front cover QESTIONS or SERVICE ASSISTANCE... Back of front cover PRODCT IDENTIFICATION INFORMATION... Back of front cover General information Introduction... Operating Principle... Installation... Service Instructions... Trouble Shooting Guide... Parts Diagram & Listing... Meter Dimensions... Meter Specifications...

4 GENERAL INFORMATION Please take a few minutes to read through this manual before installing and operating your meter. Always retain this manual for future reference. This manual contains connection and operating instructions for meters with mechanical displays. If you experience any problems with the product, refer to the Maintenance and Trouble Shooting sections of this manual. If you need assistance, contact the dealer from whom you purchased your meter. If you feel you need further assistance, feel free to write to Groz at info@groz-tools.com INTRODCTION The Groz M0 In-Line Flow Meter has incorporated the oval rotor principal into its design. This has proven to be a highly reliable and accurate method of measuring flow, providing exceptional repeatability and high accuracy over a wide range of fluid viscosities and flow rates.the low pressure drop through the meter makes the meter ideally suited for use in gravity and pump (in-line) applications. To prevent damage from dirt or foreign matter it is recommended that a Y or basket type 0 mesh strainer be installed as close as possible to the inlet side of the meter. Contact your local representative for advice. Note: When a strainer is installed it should be regularly inspected and cleaned. Failure to keep the strainer clean will dramatically effect flow meter performance. Note: To prevent damage caused by air purge slowly fill the meter with fluid. To reduce pressure build up, turn off the pump at the end of each day. OPERATING PRINCIPLE When fluid passes through the meter the rotors turn, as shown below. The gear located on top of one of the rotors drives the mechanical registers gear train which then provides an accurate readout. INSTALLATION Flow meters are available in either Aluminium or Stainless Steel. Standard rotors are made from PPS (Polyphenylene Sulfide Resins). Mechanical displays have a re-settable batch totaliser and non-re-settable accumulative totaliser.. It is recommended that when setting up pipe work for meter installations a bypass line be included in the design. This provides the facility for a meter to be removed for maintenance without interrupting production. (See Fig.) IMPORTANT INFORMATION PLEASE READ THIS INFORMATION CAREFLLY BEFORE SE! Before use, confirm the fluid to be used is compatible with the meter. Refer to Industry fluid compatibility charts or consult your local representative for advice.

5 . se thread sealant on all pipe threads.. For pump applications ensure pipe work has the appropriate working pressure rating to match the pressure output of the pump.. Install a wire mesh strainer (Y or basket type) as close as possible to the inlet side of the meter. 5. Ensure that the meter is installed so that the flow of the liquid is in the direction of the arrows embossed on the meter body.. The meter can be installed in any orientation as long as the meter shafts are in a horizontal plane. (Refer to Fig. for correct installation) SERVICE INSTRCTIONS Disassembly Ensure that the fluid supply to the meter is disconnected, and the line pressure is released before disassembly. Refer to the exploded parts diagram and parts list, for item numbers.. Remove the four screws (Item 7) located on the face of the register. Then remove the face plate cover including register assembly.. Remove the four register mounting screws (Item 5) and remove the lower half of the register housing.. Remove the six cover plate screws (Item ) and remove the cover plate (Item ).. Remove the four meter cap screws (Item 5) and remove the meter cap (Item ). 5. Remove rotors (Item ). Reassembly Note: Incorrect installation can cause premature wear of meter components. 7. Do not over tighten meter connections. 8. It is important that after initial installation you fill the line slowly, high speed air purge could cause damage to the rotors. 9. Test the system for leaks. 0. Check the strainer for swarf or foreign material, after the first 00 litres. Check periodically, particularly if the flow rate decreases.. Clean all components before reassembly.. Before reassembling check the condition of the rotors (Item ). Replace if necessary.. Replace the rotor (with the gear) on the short shaft in the housing then place the nd rotor onto the shaft so as the rotors are at 90 to each other. (Refer Fig.). Check rotor operation by turning either of the rotors. If the rotors are not in mesh correctly or do not move freely remove one of the rotors and replace it correctly at 90 to the other rotor. Recheck the operation of the rotors.. Inspect the gears (Item ) in the meter cap (Item ) for wear. (Replace if required, refer to spare parts on page Replace the o ring (Item ) into groove in the meter cap, if the o ring has grown or is damaged in any way replace it with a new part.. Replace the meter cap making sure that the gear on the rotor meshing correctly with the gear in the meter cap (Item ). Insert the cap head screws (Item 5) and tighten in a diagonal sequence,,, 5,,

6 7. Inspect the bevel gear (Item ), o-ring (Item 0) for wear or damage. (Replace faulty components if necessary). 8. Replacement of output shaft, bush and seal. Disassembly of output shaft a. Remove the bevel gear. b. Remove the circlip and push out the output shaft assembly, including washer. c. Remove the seal. d. Carefully press out the output shaft bush (If required). Assembly of output shaft a. Carefully press the new output shaft bush into place (se Loctite Primer 77, as per instructions, followed by sealant Loctite 80) b. Insert a new seal into the groove of the output shaft bush. c. Replace the output gear and washer and replace the circlip to lock the output gear shaft into place. d. Replace the bevel gear (Item ) and tighten the grub screw onto flat face of shaft. 9. Place the o-ring (Item 0) into the groove in the meter cap (Item ). (Replace the o-ring seal if required). 0. Place the cover plate onto the meter. Replace the cover plate screws and tighten the six cap head screws (Item ) firmly.. Place the lower cover plate of the register into position. Replace the four screws (Item 5) and tighten.. Position the register correctly on top of the lower register cover. Replace the four screws (Item 7) and tighten.. Test the meter by turning the rotors with a finger or by applying low air pressure (No more than a good breath) to one end of the meter, before returning meter to the line.

7 TROBLE SHOOTING GIDE TROBLE CASE REMEDY Fluid will not flow through the meter Reduced flow through the meter Meter reading inaccurate Fluid flows but no reading on meter Fluid leaks into register a. Foreign matter blocking rotors b. Line strainer blocked c. Damaged rotors d. Meter connections over tightened e. Fluid is too viscous a. Strainer is partially blocked b. Fluid is too viscous a. Fluid flow rate is too high or too low b. Fluid is too viscous c. Excess wear caused by incorrect installation a. Bevel gear is loose on shaft b. Rotor drive gear is damaged c. Transmission gears damaged d. Register gears damaged a. Seal worn or damaged on the cover plate a. Dismantle meter, clean rotors, (strainer must be fitted in line) b. Clean Strainer c. Replace rotors (strainer must be fitted in line) d. Re-adjust connections e. See specifications for maximum viscosity a. Clean strainer b. See specifications for maximum viscosity a. See specifications for minimum and maximum flow rates b. Bleed air from system c. Check meter body and rotors. Replace as required. Refer to installation instructions a. Tighten grub screws b. Replace rotor c. Replace gears d. Replace register assembly a. Replace seal (check seal compatibility with fluid) PARTS DIAGRAM & LISTING

8 Item No. No. Off Rec. Parts Part or Set (Order from this column only) Part Description A 9 9A 9A 9A MS88B MS88N MS8B MS8N MS88F MS88D MS88J MS8F MS8D MS8J BS5S BS5ES BS5TES BS5VS MS7S MS7-S MS7-S MS7TS MS7HS MS7HS-S MS7TS-S MS7HTS MS7HTS-S MS75S MS75S MS5S MS5S MSS MS00S MS9S MSS MS77S MS78S ORCS MS78CS N7-007S V7-007S E7-007S BS5S BS5ES BS5TES BS5VS MS99S MS99-S MSS MSS MS85 MSORS MSS MSRS incl.5&7 MSRS incl.5&7 MS9S Customer to specify model MS7 Meter Body BSP (Aluminium) Meter Body NPT (Aluminium) Meter Body BSP (Stainless Steel) Meter Body NPT (Stainless Steel) Meter Body ANSI50 lb Flange (Aluminium) Meter Body DIN Flange (Aluminium) Meter Body JIS0K Flange (Aluminium) Meter Body ANSI 50lb Flange (S/Steel) Meter Body DIN Flange (S/Steel) Meter Body JIS0K Flange (S/Steel) O Ring (NBR) O Ring (EPDM) O Ring (Teflon) O Ring (Viton) Rotors PPS (Polyphenylene Sulfide Resins) brass hub Rotors ( Stainless Steel) Rotors PPS with Stainless Steel hub High Temperature Rotors (PPS) High Viscosity Rotors (PPS) High Viscosity Rotors (PPS) S/Steel hub High Temp Rotors (PPS) with Stainless Steel hub High Viscosity/High Temperature Rotors (PPS) High Viscosity/High Temperature Rotors (PPS) S/Steel hub Meter Cap Liters (Aluminium) Meter Cap S Gallons (Aluminium) Meter Cap Liters (Stainless Steel) Meter Cap S Gallons (Stainless Steel) Meter Cap Screws (Standard) Meter Cap Screws (Stainless Steel) Complete Gear Set - Liters Complete Gear Set - S Gallons Output Gear & Shaft Assembly Coverplate Seal/Bush Set Standard Solvent o-ring (Chemraz) Coverplate Seal/Bush Set Solvent Standard o-ring (NBR) O-ring (Viton) O-ring (EPDM) O-ring (NBR) O-ring (EPDM) O-ring (Teflon) O-ring ( Viton) Coverplate (Aluminium) includes bush Coverplate (Stainless Steel) includes bush Coverplate Screws Coverplate Screws (Stainless Steel) Bevel Gear Set Bottom Register Coverplate MountingScrews Register Assembly complete - Liters Register Assembly complete - S Gallons Register Body Screws Legend Plate (Not Pictured) includes Hammer Screws Warning Label ( Not Pictured) 5

9 METER DIMENSIONS METER SPECIFICATIONS Flow Ranges (Liter per minute/s Gallons per minute) Above 5 Centipoise Below 5 Centipoise Accuracy of Reading Maximum Viscosity* Maximum Operating Pressure Maximum Operating Temperature* Maximum Batch Total Maximum Cumulative Total Inlet/Outlet Fluid Compatibility Repeatability to 0/. to 0 to 00/. to +/- % 000 Centipoise 50 kpa/ 500 PSI /.5 BAR 80 C/ 7 F (Stainless Steel Models 0 c/ 8 F) Litres 9,99,999 Litres BSP or NPT Fuels and oils up to SAE 0 Within 0.0% *nless High Viscosity or High Temperature Rotors are fitted