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Table of Contents
Related Manuals for CARRARO BPM71
Summary of Contents for CARRARO BPM71
- Page 1 I N S T R U C T I O N S For installation & maintenance of direct operated pressure regulators type BPM71-72-73-74-81-82-83-84 IMI0040E.doc Via E.Fermi 22, 20090 SEGRATE (MI) Rev.0 14/12/11 MAIL: info@carrarovalvole.it TEL: +39 02 2699121 - FAX: +39 02 2692.2452...
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Page 2: Table Of Contents
6. Safety precautions ...................... 6 7. Transport, handling and storage ................. 7 8. BPM 71-72-73-74-81-82-83-84 pressure reducers and relief devices .......8 Cross-section drawings BPM71-72 ..............9 Cross-section drawings BPM73-74 ..............10 Cross-section drawings BPM81-82 ..............11 Cross-section drawings BPM83-84 ..............12 9. -
Page 3: General Information
Users are solely liable for physical injury and/or damage to property if the above is not observed. 3. VALIDITY OF INSTRUCTIONS These instrutions refer to pressure reducers and pressure relief devices: BPM71 – BPM72 – BPM73 – BPM74 BPM81 – BPM82 – BPM83 – BPM84 IMI0040E.doc Via E.Fermi 22, 20090 SEGRATE (MI) -
Page 4: Safety Indications
I N S T R U C T I O N S For installation & maintenance of direct operated pressure regulators type BPM71-72-73-74-81-82-83-84 4. PRODUCT SAFETY INDICATIONS AND TAG SYSTEM If and where appropriate, safety indications have been put inside tags on the sides of the pages of this manual. -
Page 5: Safety Warnings
Given the large number of conditions and circumstances that may arise while working on the products and the consequent risks deriving from the way this is done, CARRARO is not able to prevent all risks of injury to people and damage to property and can only help by asking you to take the utmost care and giving you the following safety suggestions. -
Page 6: Safety Precautions
° Please consult CARRARO before working on valve p arts. IMI0040E.doc Via E.Fermi 22, 20090 SEGRATE (MI) Rev.0 14/12/11... -
Page 7: Transport, Handling And Storage
I N S T R U C T I O N S For installation & maintenance of direct operated pressure regulators type BPM71-72-73-74-81-82-83-84 7. TRANSPORT, STORAGE AND HANDLING Transport Depending on their size, valves can be transported loose, packed in cardboard boxes or in wooden crates. -
Page 8: Bpm 71-72-73-74-81-82-83-84 Pressure Reducers And Relief Devices
All the valve types are available with flexible inserts on the plug in order to ensure a perfect seal when the valve is closed. The code for this version changes from BPM71-72-81-82 to BPM73-74-83-84. The materials generally used for seals are CR-FKM. -
Page 9: Cross-Section Drawings Bpm71-72
I N S T R U C T I O N S For installation & maintenance of direct operated pressure regulators type BPM71-72-73-74-81-82-83-84 Cross-section drawings BPM71 – BPM72 (Fig.1 – Fig.2) Body cover 18. Diaphragm O-ring Gasket (a-b) 19. Diaphragm plate Studs (a-b) 20. -
Page 10: Cross-Section Drawings Bpm73-74
I N S T R U C T I O N S For installation & maintenance of direct operated pressure regulators type BPM71-72-73-74-81-82-83-84 Cross-section drawings BPM73 – BPM74 (Fig.3 – Fig.4) Body cover 20. Lower spring washer Gasket (a-b) 21. Diaphragm Studs (a-b) 22. -
Page 11: Cross-Section Drawings Bpm81-82
I N S T R U C T I O N S For installation & maintenance of direct operated pressure regulators type BPM71-72-73-74-81-82-83-84 Cross-section drawings BPM81 – BPM82 (Fig.5 – 6) Body cover 20. Lower spring washer Gasket (a-b) 21. Screw Studs (a-b) 22. -
Page 12: Cross-Section Drawings Bpm83-84
I N S T R U C T I O N S For installation & maintenance of direct operated pressure regulators type BPM71-72-73-74-81-82-83-84 Cross-section drawings BPM83 – BPM84 (Fig.7 – 8) Body cover 19. Diaphragm Gasket (a-b) 20. Lower spring washer Studs (a-b) 21. -
Page 13: Installation
I N S T R U C T I O N S For installation & maintenance of direct operated pressure regulators type BPM71-72-73-74-81-82-83-84 9. INSTALLATION 9.1. The reducing and pressure relief valves are installed upside-down (fig.B) in the folowing circumstances: •... - Page 14 I N S T R U C T I O N S For installation & maintenance of direct operated pressure regulators type BPM71-72-73-74-81-82-83-84 Downstream installation sketch (Reducers) Upstream installation sketch (Relief devices) (actuators 120-130-140-182-245-320) 1: tube to be connected in inert atmosphere for ATEX Gr.II Cat.II, flammable fluids...
- Page 15 I N S T R U C T I O N S For installation & maintenance of direct operated pressure regulators type BPM71-72-73-74-81-82-83-84 9.7. If in the plant there is the possibility that the pressure in contact with the diaphragm exceeds the maximum diaphragm rating, it is necessary to install the safety relief device shown in Fig.
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Page 16: Start-Up And Calibration
The user shall schedule an inspection and a possible replacement of those parts with a frequency related to severity of service conditions. Diaphragm and gaskets shall be replaced with original parts and by Carraro technicians or by Carraro-authorised Service Centres to ensure the air-tight and the proper working of valves. - Page 17 For models BPM82 (Fig. 6), BPM84 (Fig. 8) and BPM72 (Fig. 2), plug is extracted from above. For models BPM71 (Fig. 1), BPM81 (Fig. 5) and BPM83 (Fig. 7) it is necessary to disassemble the body cover and then extract the plug from the bottom.
- Page 18 I N S T R U C T I O N S For installation & maintenance of direct operated pressure regulators type BPM71-72-73-74-81-82-83-84 unscrew the locking nut and the plug adjusting ring nut, then if necessary replace plug gasket. For the plug of double seated valves (BPM73, BPM74):...
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Page 19: Repairs
12.3. Rating plate (example) 12.4. To ensure the valves treated in this manual work correctly, they should be serviced by Carraro engineers or by Carraro-authorised Service Centres using original spare parts.
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