NORMA FLEX protective pipe coupling, W2, with EPDM seal, DN - 406.4 (402.0-410.0) [Code number: NR-0575-8140-406]

Application purpose:

• For connecting metal and plastic pipes with high internal pressure

Special features:

• Temperature range: -30 °C to +125 °C
• Compensation of pipe gaps allows thermal elongation of the pipes
• Joining all kind of pipe materials is possible, e.g. steel, plastic, cast iron, etc.

Material:

• Sealing: EPDM
• Strip insert: 1.4571/PA-GF
• Protection ring: 1.4571
• Lock bolt: 1.0737
• Lock bars: 1.7220

PN (Nominal Pressure) is the max. admissible working pressure in shipbuilding, based on a safety factor of ≥ 4

WP is the max. working pressure in industrial applications, with a safety factor as per NORMA specification