A pressure/vacuum vent designed for use on tanks for transport of dangerous goods. This vent is constructed of aluminum with stainless steel springs and stem. A brass screen is included as standard. The vent is designed tested and marked to meets requirements of EN 14595:2005.
Weight = .45 kg (1.0 lbs)
Technical Specifications Model 6866
Designed for tank with MWP of 22.7 kPa
Set Pressure: 6.8 to 10 kPa
Pressure Flow Capacity: 42 scmh @ 30 kPa
Vacuum Set: 1.5 to 2.5 kPa
Vacuum Flow Capacity: 26 scmh @ 3 kPa
Technical Specifications Model 6714
Designed for tank with MWP of 27.1 kPa
Set Pressure: 10 to 12 kPa
Pressure Flow Capacity: 33 scmh @ 30 kPa
Vacuum Set: 1.5 to 2.5 kPa
Vacuum Flow Capacity: 26 scmh @ 3 kPa
| Part # | Mounting Threads |
| 6714AL* | 1.625-12 UN |
| 6714AL*-BSP | 1.25 BSP |
| 6866AL* | 1.625-12 UN |
| 6866AL*-BSP | 1.25 BSP |
* Replace with letter code to designate seal material:
“B” = Nitrile
“V” = FKM type “A”
“VB” = FKM type “B”
For additional information on Betts products and Proposition 65 list please see: https://www.bettsind.com/proposition-65/