Alfa Laval CPM-2 Instruction Manual Download Page 1 | Manualshive

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IM70775-

EN

4

20

0-

CPM-2 Constant-Pressure Modulating Valve

Instruction Manual

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Summary of Contents for CPM-2

Page 1: ...IM70775 EN4 20 0 CPM 2 Constant Pressure Modulating Valve Instruction Manual...

Page 2: ...clare that Denomination Type Year Declaration of Conformity The designating company Designation Constant Pressure Modulating Valve CPM 2 Bjarne S ndergaard Manager Product Centres Compact Heat Exchang...

Page 3: ...lation 7 2 1 Unpacking Delivery 7 2 2 General installation 8 2 3 Welding 9 2 4 Fitting of Booster optional extra 10 3 Operation 12 3 1 Operation 12 3 2 Fault finding 13 3 3 Recommended cleaning 14 4 M...

Page 4: ...upplied to the valve The valve and the pipelines must never be pressurised when dismantling the valve Operation Always observe the technical data see chapter 5 Always release compressed air after use...

Page 5: ...cases metal straps Wood and cardboard boxes can be reused recycled or used for energy recovery Plastics should be recycled or burnt at a licensed waste incineration plant Metal straps should be sent...

Page 6: ...ions Thermal expansion of the tubes Excessive welding Overloading of the pipelines Step 4 Fittings Ensure that the connections are tight Step 5 Air connection Step 6 Air pressure regulating valve opti...

Page 7: ...he minimum clearance so that the internal valve parts can be removed Step 1 Dismantle the valve in accordance with steps 1 4 in section 4 2 Pay special attention to the warning Step 3 CPMO 2 1 Weld th...

Page 8: ...n Booster housing 1 Step 2 1 Remove the valve top in accordance with step 3 in section 4 2 Pay special attention to the warnings 2 Fit Booster housing 1 on the cover 3 Fit and tighten lock nut 2 Step...

Page 9: ...7 Compressed air An air pressure compensating regulating valve must be used and should be installed with min clearance to the Booster CPM 2 valve The pressure regulating valve PR and the pressure gaug...

Page 10: ...ay special attention to the warnings The items refer to the parts list and service kits section Step 5 Lubrication 1 Ensure smooth movement between diaphragms 10 14 and support sectors 12 2 Ensure smo...

Page 11: ...ect type pressure compensating Product leakage Worn diaphragm Replace the diaphragm Product affected diaphragm Air leakage Worn O ring Replace the O ring Worn diaphragm 10 Replace the diaphragm Worn a...

Page 12: ...imum CIP flow 2 0 5 by weight HNO3 at 700 C 158 F Step 6 1 Avoid excessive concentration of the cleaning agent Dose gradually 2 Adjust the cleaning flow to the process Milk sterilization viscous liqui...

Page 13: ...of the valve Use the statistics for planning of inspections Replace after leakage Lubrication Before assembly Guide Molycote longtherm 2 Plus Sectors Molycote 111 Threads Molycote TP42 Maintain the va...

Page 14: ...ernal parts of the valve from valve body 16 Step 3 CPMI 2 and CPMO 2 valves Remove top nut 1 washer 2 and top 3 from plug 15a or 15b Step 4 Remove plug 15a from the diaphragm unit and guide 9 or for C...

Page 15: ...enance Step 7 Remove outer ring 13 upper inner ring 11 and upper diaphragm 10 Step 8 Remove guide 9 from cover 7 Step 9 Remove O ring 8 from guide 9 Step 10 Replace the O ring and the diaphragms 4 2 D...

Page 16: ...d outer ring 13 on guide 9 and cover 7 NOTE The upper diaphragm has a small recess The outer ring must be fitted with the recess turned uppermost so that the indication hole is fixed opposite the indi...

Page 17: ...9 until the flange of the plug contacts lower diaphragm 14 Step 9 Fit top 3 washer 2 and top nut 1 on plug 15a or 15b Step 10 Fit and torque tighten clamp 6 to 10 15Nm 7 5 11 lbf ft Step 11 Pre use c...

Page 18: ...ernative size regulating area Approx 15m3 h 66 gal m CIP area Materials Product wetted steel parts AISI 316 L Other steel parts AISI 304 Upper diaphragm Nitrile NBR standard Lower diaphragm PTFE cover...

Page 19: ...200 C 68 F Measurement In accordance with VDI 2173 Example 2 CPMI 2 Pressure drop p 300 kPa 43 5 psi Flow Q 1 m3 h 4 4 gal m Select CPMI 2 Kv 2 15 which at working point will be approx 35 open equal...

Page 20: ...13 1 Outer ring 14 1 Lower diaphragm 15 1 Valve plug 16 1 Valve body Service kits product wetted parts The drawing and the parts list include all items 6 Parts lists and service kits 6 1 CPM 2 Denomi...

Page 21: ...MI 2 Constant Pressure Modulating Inlet CPMO 2 Constant Pressure Modulating Outlet The drawing includes all items of the valve The items refer to the parts list on the opposite part of the page 6 Part...

Page 22: ...list include all items Parts list Pos Qty Denomination 1 1 Booster housing 2 1 Lock nut 3 1 Washer 4 1 Spring washer 5 1 Nut 6 1 Booster piston 7 1 Diaphragm 8 1 Booster cover 9 1 Clamps and screws S...

Page 23: ...25 6 Parts lists and service kits 6 2 Booster The drawing below shows the Booster The items refer to the parts list on the opposite part of the page The drawing includes all items of the valve...

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