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Butterfly valves

Thesis 40

SPECIAL OPTIONS:
• Reduction gear with manual operation also for small DN.

ON REQUEST:
• Kit to convert from a manual valve to an actuated valve.
• For further special requests please consult our technical/commercial service.

MAIN STANDARD FEATURES:

CONSTRUCTION:
• GENERAL SPECIFICATIONS:

BS EN 593 - (BS 5155) - MSS SP67 - API 609. According to UNI TR 11 354

• CONNECTION WITH FLANGES UNI EN 1092:
PN10 - PN16 DN40 - DN150
PN10 DN200 - DN600
PN16 DN200-DN300 (Series A5--).

• MAXIMUM WORKING PRESSURE:
PN16 DN40 - DN150
PN10 DN200 - DN300
PN16 DN200-DN300 (Series A5--).

• TEMPERATURE LIMITS WITH SEALING SEATS IN:
EPDM -20°C / +110°C for fluids
EPDM-HT -20°C / +130°C for fluids
NBR -20°C / +90°C for fluids
NBR -20°C / +60°C for gas
VITON -10°C / +160°C for fluids
VITON -10°C / +60°C for gas

• FACE TO FACE DIMENSIONS IN CONFORMITY WITH:
BS EN 558 - ISO5752 - MSS SP67 - API609 - DIN3202/3-K1.

• TOP FLANGE:
drilling ISO5211.

• OPERATION DEVICE:
lever DN40 - DN200,
gear DN250 - DN600.

• Tested for vacuum at 900mbar

• Shiny epoxy.

• Nickel plated Disk in GGG40 suitable just for water (the working conditions has to be checked)

• NB: for material compatibility please check the table with corrosion resistance at the end of the catalogue.

Request information