MAIN STANDARD FEATURES:
CONSTRUCTION:
• GENERAL SPECIFICATIONS: ISO5752 -BS EN 593 - (BS 5155)
MSS SP67 - API 609.
• CONNECTION WITH FLANGES UNI EN 1092:
PN10 - PN16 DN40 - DN150
PN10 DN200 - DN300.
• MAXIMUM WORKING PRESSURE:
PN16 DN40 - DN150
PN10 DN200 - DN300.
• TEMPERATURE LIMITS WITH SEALING SEATS IN:
EPDM -20°C / +110°C for fluids
NBR -20°C / +80°C (with peaks of 90°C) for fluids
NBR -20°C / +60°C for gas
• FACE TO FACE DIMENSIONS IN CONFORMITY WITH:
UNI EN 558 (BASIC SERIES 20) - ISO5752 - MSS SP67 - API609 - DIN3202/3-K1.
• PRESSURE TEST:
API STD 598
• TOP FLANGE:
drilling ISO5211.
• OPERATION DEVICE:
lever DN40 - DN200,
gear DN250 - DN600.
• LOCKING LEVER:
DN40 - DN200.
• Tested for vacuum at 900mbar
• Polyurethane coating.
• 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.