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

Operating Manual

DELTA MF4

Membrane Valve with Bellow Unit

Summary of Contents for APV DELTA MF4

Page 1: ...Read and understand this manual prior to operating or servicing this product Operating Manual DELTA MF4 Membrane Valve with Bellow Unit...

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Page 5: ...2 kvs values 7 3 valve stroke opening section 8 Maintenance 9 9 Service Instructions 10 12 9 1 Dismantling from the line system 9 2 Disassembly of wear parts product wetted parts 9 3 Installation of...

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Page 7: ...e 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 ne...

Page 8: ...can be realized NC actuator normally closed fail down air to raise spring to lower NO actuator normally open fail up air to lower spring to raise The inner parts of the actuator are maitenance free Th...

Page 9: ...g 4 1 For the assembly of the control unit on the MF4 valve an adapter is required solenoid valve SV CU31 Direct Connect 16 31 232 93 CU21V 16 31 237 93 CU31 Device Net 16 31 240 93 CU31 AS interface...

Page 10: ...e 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 sh...

Page 11: ...4 56 74 91 110 459 515 526 593 617 642 398 454 465 532 556 581 4 2 7 1 7 1 7 9 14 2 15 2 4 2 7 1 7 1 15 3 19 28 34 42 49 5 59 L1 25 40 50 65 80 100 26 38 50 66 81 100 86 126 126 189 189 189 348 387 43...

Page 12: ...140 C EPDM HNBR FPM VMQ no steam Air connection for hose 6x1mm max pneumatic air pressure 8 bar min pneumatic air pressure 6 bar Use dry and clean pneumatic air only 7 Technical Data 1m 10m 25 40 50 6...

Page 13: ...6 11 13 5 17 5 22 28 4 8 5 11 15 19 5 25 inch DN dimensions in mm 7 2 DELTA MF4 Kvs values in m3 h DN 25 40 50 65 80 100 1 1 5 2 2 5 3 4 22 42 73 130 342 22 38 70 112 276 inch 7 3 valve stroke opening...

Page 14: ...SW13 1 x spanner SW17 1 x spanner SW19 1 x spanner SW30 1 x strap wrench Cleaning rag as well as low solution of a suitable cleaning agent observe safety data sheets of cleaning agent manufacturer Sli...

Page 15: ...s product wetted parts a With CU design and valve position indicator First of all release the actuator screw Release the hexagon nut 21 while holding up the centering washer 16 Remove the centering wa...

Page 16: ...in the yoke If the shaft stiffs check the right fit of the guide bush e CU design and valve position indicator Place the centering washer 16 Apply a drop of a screw locker e g type Loctite semi solid...

Page 17: ...he positioning screws in the control unit the shift points can be adjusted d Design with valve position indicator Plug in and fasten the proximity switches Readjust the proximity switches if necessary...

Page 18: ...seal screws over the piston rod and tighten them c Fasten the adapter for the control unit and the yoke on the actuator Attention Observe the position of the adapter Attention Consider the required de...

Page 19: ...roove see sketch 1 1a 4 Proceed step by step to press the seal into the groove Press the opposite side into the groove See to an even fit of the seat seal 5 Afterwards press the assembly tool in betwe...

Page 20: ...ctuator does not work air escapes permanently from the venting plug Replace the complete actuator Valve position indication No feedback Carry out fine adjustment 15 12 Trouble Shooting 13 Spare parts...

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Page 22: ...orporation 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...

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