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Cepex EXTREME Series Installation And Maintenance Manual

Butterfly valves pneumatic actuator
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Download this manual See also: Installation and Maintenance Manual
EXTREME
BUTTERFLY VALVES
Pneumatic actuator
0045
INSTALLATION AND
MAINTENANCE MANUAL
PVC-U (EPDM/FPM)
CPVC (EPDM/FPM)
PPH
(EPDM/FPM)
PVDF (EPDM/FPM)
ABS
(EPDM/FPM)

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Summary of Contents for Cepex EXTREME Series

  • Page 1 EXTREME BUTTERFLY VALVES Pneumatic actuator 0045 INSTALLATION AND MAINTENANCE MANUAL PVC-U (EPDM/FPM) CPVC (EPDM/FPM) (EPDM/FPM) PVDF (EPDM/FPM) (EPDM/FPM)
  • Page 2 Tipo / Type: Válvulas de Mariposa / Butterfly valves Modelos / Models: INDUSTRIAL and EXTREME SERIES Compuerta / Gate: PVC-U / PVC-C / PPH / PVDF / ABS Cumplen con los requisitos establecidos por la Unión Europea para EQUIPOS A PRESIÓN según Directiva 2014/68/UE (PED), categoría II módulo A2, de acuerdo con las normas...
  • Page 3 In case of fixing only the valve with screws from one side, the maximum supported pressure will be reduced in some factor (f = 0,4). Please ask to Cepex technical department for the specific conditions of installation and possible changes in the performance of the valve.
  • Page 4 EXTREME PNEUMATIC BUTTERFLY VALVE LUG TYPE 1. DEFINITION Butterfly valve for isolating the flow in liquid handling systems. Design based on Standard EN ISO 16136 in accordance with Directive 97/23/EC. The valve is available with PVC-U, CPVC, PP-H, PVDF and ABS discs and EPDM and FPM sealing gaskets. The choice of material for the body and gaskets depends on the type of liquid to be carried and on the working temperature of the liquid, in accordance with the chemical resistance tables available on our website and the pressure/temperature chart in this Manual.
  • Page 5 EXTREME PNEUMATIC BUTTERFLY VALVE LUG TYPE (T3.1) 3. COMPONENTS Fig. 1 DESCRIPTION MATERIAL DN65- DN250- DN200 DN300 PP-GR + AISI-303 Inserts Lug Body EPDM / FPM Sealing gasket PVC-U/PPH/CPVC/PVDF/ABS Disc Lower bearing Upper bearing Auxiliary bearing AISI 630 / AISI 316L / AISI 904L Shaft AISI-304 / AISI-316 Ring DIN-471...

  • Page 6: Butterfly Valve

    EXTREME PNEUMATIC BUTTERFLY VALVE LUG TYPE 3. BUTTERFLY VALVE 3.1 VERICATION OF VALVE TYPE On opening the packaging please check that the valve is the model ordered. Check that the actuator model corresponds with the code number ordered. Kv / % opening (G 3.2) Make especially sure that the voltage indicated on the actuator label corresponds to that of your mains supply (actuators do no Flow / valve opening...
  • Page 7 EXTREME PNEUMATIC BUTTERFLY VALVE LUG TYPE 4. DIMENSIONS Fig.3 T4.1 (mm) HOLES 125-145 150-170 180-192 190-215 270-298 329-355 384-427 See the actuator and limit switch manuals to check the dimensions D, E and G. Fig.4 Actuation coupling dimensions (T 4.2) ISO FLANGE SQUARE (mm) 14 / 17...

  • Page 8: Installation And Commissioning

    For solvent or welded connections, ensure also that the parts to be connected are of the same material and that the correct solvent or welding tools are used. To install the valve, follow best installation practice recommendations provided on the Cepex website, paying specific attention to thermal expansion and pipe alignment.

  • Page 9: Solenoid Valve

    In the case of a spring return actuator, Cepex will normally serve the closed valve as standard. 6.2 SPRING RETURN NORMALLY OPEN VALVE (Fig. 9) The valve is opened without an air supply.
  • Page 10 EXTREME PNEUMATIC BUTTERFLY VALVE LUG TYPE 7. OPERATION AND MAINTENANCE INSTRUCTIONS It is recommended that the condition of the sealing gasket be regularly checked, since it may show signs of mechanical wear due to pressure, handling and contact with the liquid. The sealing gasket should be greased in the disc contact area (the grease must be compatible with the materials of the gasket and the disc).

  • Page 11: Troubleshooting

    EXTREME PNEUMATIC BUTTERFLY VALVE LUG TYPE 10. TROUBLESHOOTING FAULT POSSIBLE CAUSE FAULT CLEARANCE The disc does not fully open The sockets were not correctly Disassemble the valve and bevel the or close. bevelled. sockets as indicated in table T5.2. Foreign materials in the compart- Disassemble the valve and check for ment (adhesive, etc.).
  • Page 12 Av. Ramón Ciurans 40, PI Congost P6 La Garriga (BCN) - Spain Tel: +34 93 870 42 08 www.cepex.com cepex@cepex.com CODE: C584075MNLXT - VERSION: 1.3 - DATE: 2020/01 COPYRIGHT © CEPEX, S.A.U. - ALL RIGHTS RESERVED...