Vacuum Breaker

 

Vacuum breakers fit into top loading valves or the suction side of pumping systems. They ensure the piping systems are able to be drained quickly and completely.  

The VB100 Series is ½" vacuum breaker that is fitted with Viton A seals and operates at 1-2 kPa.

The VB100U Series is ½" vacuum breaker that is fitted with Viton A seals and operates at 35 kPa.

Technical Information

Pressure
VB100 & VB100SS open at 1-2 kPa vacuum (Gravity draining systems).

VB100U & VB100USS open at 35 kPa vacuum (Pump systems).

Orifice equal to 6mm dia hole.

Operation
Spring loaded poppet opens at a set pressure to allow air into the high section of the system and removing any vacuum that may ‘hang-up’ a liquid column.

Mounting
Into ½" BSP and NPT female socket.

Ensure the poppet head is level with the inner end of the socket thread inside the pipe when fitted, in order to maximise flow area.

Materials
-Brass body, polyurethane cap, stainless steel spring.
-Poppet is acetal in VB100, stainless steel in VB100U. 
-Seal is Viton A standard (coloured red).
-VB100SS & VB100USS have a stainless steel body.

Weight
0.14 kg.

Ordering Information

VB100: ½" BSP and NPT Vacuum Breaker Brass C/W Viton A seals (1-2 kPa).

VB100U: ½" BSP and NPT Vacuum Breaker Brass C/W Viton A seals (35 kPa).

VB100SS: ½" BSP and NPT Vacuum Breaker S/S C/W Viton A seals  (1-2 kPa).

VB100SSVG: ½" BSP and NPT Vacuum Breaker S/S C/W Viton GFLT seals (1-2 kPa).

VB100USS: ½" BSP and NPT Vacuum Breaker S/S (35 kPa).

Resources
Use your Enquiry Cart to make an enquiry, send your collection to a friend via email, or add your item into your wishlist.
Submit Enquiry 
Submit a product Enquiry / Quote to Liquip customer service
Save as Wishlist 
Save as Wishlist - handy function for account holders
Send to a Friend 
Send you selection of products to a friend via a convenient email link
Image Item Description
Add Item into Enquiry Cart
VB100 ½" BSP and NPT Vacuum Breaker Brass C/W Viton A seals (1-2 kPa).
VB100U ½" BSP and NPT Vacuum Breaker Brass C/W Viton A seals (35 kPa).
VB100SS ½" BSP and NPT Vacuum Breaker S/S C/W Viton A seals  (1-2 kPa).
VB100SSVG ½" BSP and NPT Vacuum Breaker S/S C/W Viton GFLT seals (1-2 kPa).
VB100USS ½" BSP and NPT Vacuum Breaker S/S (35 kPa).

Item added into a Enquiry Cart

Use your Enquiry Cart to make an enquiry, save your cart as wishlist or send your collection to a friend via email.

Related Products

    Recommended products for replacement

      Interested?

      Contact us for a quote or for further information.
      Are you enquiring about multiple products? Consider using our Enquiry Cart