Self-closing dead man vacuum breaker 4772
Self-closing dead man vacuum breaker 4772 labelledSelf-closing dead man vacuum breaker 4772 full

Self-Closing Vacuum Breaker – Model 4772

EWFM supply the Self-Closing vacuum breaker (dead Man) 4772. This self-closing (Dead-Man) Vacuum Breaker allows liquid in the pipe to flow rapidly when the ball valve is closed. It breaks the vacuum in the line by allowing air into the system. Therefore the product is evacuated rapidly in to the tank truck or rail car.

 Construction

Body Aluminium alloy

Plug Aluminium alloy

Operating stem AISI 316L

Valve fixing screws AISI 304

Plug screws AISI 304

Spring fixing screw AISI 304

Stop screw AISI 304

Operation

This self-closing device is suitable for installation on an ISO 5211 connection.

Option

This is available for Dn 1/2″ or Dn 3/4″ ball valves.

Product Description

EWFM supply the Self-Closing vacuum breaker (dead Man) 4772. This self-closing (Dead-Man) Vacuum Breaker allows liquid in the pipe to flow rapidly when the ball valve is closed. It breaks the vacuum in the line by allowing air into the system. Therefore the product is evacuated rapidly in to the tank truck or rail car.

 Construction

Body Aluminium alloy

Plug Aluminium alloy

Operating stem AISI 316L

Valve fixing screws AISI 304

Plug screws AISI 304

Spring fixing screw AISI 304

Stop screw AISI 304

Operation

This self-closing device is suitable for installation on an ISO 5211 connection.

Option

This is available for Dn 1/2″ or Dn 3/4″ ball valves.