Product Details
Part Number | Size and Connection | Weight | Mounting Details |
---|---|---|---|
RVV3S* | 3” Vacuum Valve with 3” NPS Swivel Mounting | 4.5 lbs. [2.0 kg] | PTFE face seal on top of pipe nipple |
RVV4S* | 4” Vacuum Valve with 4” NPS Swivel Mounting | 5.9 lbs. [2.7 kg] | PTFE face seal on top of pipe nipple |
• An example part number for a 3” Vacuum Breaker with PTFE seals would be RVV3ST. • Vents can be specified with ECTFE (Halar®) lined/coated wetted components for aggressive chemical applications by adding an ‘L’ in the part number, as shown (e.g. RVVL3ST). |
* Seal Material Code | Material | Temp. Range |
---|---|---|
T | PTFE | -40°F to +400°F [-40°C to +204°C] |
F | Fluorosilicone | -50°F to +350°F [-45°C to +176°C] |
K | Kalrez | -20°F to +400°F [-28°C to +204°C] |
VB | FKM BLT | -15°F to +400°F [-26°C to +204°C] |
Set Pressure and Air Flow Capacity | ||
---|---|---|
Size | Set Vacuum | Rated Air Flow Capacity |
3" | 1.5 psig [10.3 kPa] | 18,000 SCFH @ 3.0 psig [509 SCMH @ 206.8 kPa] |
4" | 1.5 psig [10.3 kPa] | 18,000 SCFH @ 3.0 psig [509 SCMH @ 206.8 kPa] |
Notes: 1) Values shown are test values. Actual results may vary due to service conditions. 2) Set pressure is defined as point at which continuous flow is seen, felt or heard around the seat area. (nomenclature per ASME Section XII Part TR-110 and TTMA TB-126.) |
Seal Kits & Accessories
Seal Kit part number: SK-RVVT
*Mounting gasket not included in seal kit
Spanner wrench part number: 75825EY
Prop 65
WARNING: This product can expose you to chemicals including Chromium (hexavalent compounds) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov. For additional information on Betts products and Proposition 65 list please see: https://www.bettsind.com/prop-65/