The VB100 Series is a 1/2 in. vacuum breaker that is fitted with fluorocarbon seals and operates at 1-2kPA. OPW's vacuum breaker valves fit into top loading valves or the suction side of pumping systems that must drain quickly and completely.
Note: The most common usage is on OPW top loading arms or with DM100 series discharge manifold for truck mounted applications.
Specifications
- Pressure: Opens at 1-2 kPa vacuum (Gravity draining systems) - Orifice equal to 6 mm dia hole
- Operation: Spring loaded poppet opens at a set pressure to allow air into the high section of the system and removes any vacuum that may 'hang-up' a liquid column
- Mounting: Into 1/2 in. NPT female socket
- Dismantle: Remove from apparatus, prise off polyurethane cap and remove spring retainer - withdraw poppet from other end
- Adjustment: None - Pre-set vacuum according to type
- Materials:
- Body: Stainless steel
- Cap: Polyurethane
- Spring: Stainless steel
- Seal: Low temp. fluorocarbon
