Varec 3500B Series, 3500B21TFFOP02 Vacuum Breaker

The Varec 3500B series is a tank-top mount vacuum breaker, designed to protect atmospheric and low pressure tanks from excessive vacuum. The Varec 3500B series is dead-weight loaded vacuum breakers utilizing weights proportional to the seat surface area to achieve the desired setting.

3500B21TFFOP02

3 - Description: Air Cushion Vacuum Relief Valve
50 - Model: Top Mounted
0B - Configuration: Standard
2: Connection Size: 2"
1: Body/Trim: Aluminum (-20° to 250°F)
T: Insert Material: Teflon (-65° to 400°F)
FF: Flange Finish: 125# ANSI/ASA Flat Face Flange Drilling with Fractional Studs
OP: Gasket/O-Ring & Retainer/Screen Material: Standart (Fiber/BUNA-N) and Plastic (-40° to 250°F)
02: Setting Range: Low Setting - max W.P.: 2 psig

Vac. 200 PA, Size: 2 Inch