Bore:
reduced.
Stem:
anti blow out.
Upper seal:
3 seals
1 PTFE ring - high pressure
2 O-ring – low pressure
• The VIVA valve is a product easy and reliable:
• The flow is direct, with limited headlosses; a flow strainer is mounted as a standard feature.
• The check of open and closed position is immediate, through the lever position.
• Easy and rapid manœuvre.
• The long endurance is guaranteed by wrapping PTFE seats mutually protecting the ball.
• Self cleaning ball system.
• Internal surface not nickel plated, therefore ideal for potable water.
• Anti blowout stem with 3 seats.
Temperature limits:
for fluids from -20°C to +90°C
Pressure limits:
for fluids PN 40