MAIN STANDARD FEATURES:
CONSTRUCTION:
• GENERAL SPECIFICATIONS:
ISO5752 -BS EN 593 - (BS 5155)
MSS SP67 - API 609.
• DIAMETERS:
DN40 - DN300.
• CONNECTION WITH FLANGES UNI EN 1092:
PN6 - PN10 - PN16 DN40 - DN300
• CONNECTION WITH FLANGES ANSI 125/150:
DN40 - DN300.
• MAXIMUM WORKING PRESSURE:
PN16 DN40 – DN300 (for fluids and not dangerous gas)
PN16 DN40 – DN300 (for toxic gas, explosive, fuel)
PN10 DN250 – DN300 (for dangerous gas, toxic gas, explosive, fuel)
• 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 - DN300.
• 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.