3.5″ Push Vent
The Betts 3.5” Push Vent can be mounted to a 3” TTMA weld flange or 20″ offset manhole cover. It comes standard with a Teflon Encapsulated Silicone o-ring seat, and a built in flange for mounting Vapor Recovery Hood shown in Section 24. Part No. VR45784BU.
The 3.5″ push vent meets the requirements of US DOT 49CFR§178.345-5(f) and also meets the requirements of 49CFR§178.345-10(b)(3) with less than a liter leakage.
Threaded style p/n PV46066ALTS (not shown) mounts in a 3.84″ diameter hole found in a 16″ offset style manhole cover.
An adapter to fit Wheaton’s Emergency valve is available. Please Specify No. 16963AL.
Product Details
| Assembly Number | Material | Dimensions | Mounting Flange | Wt. |
|---|---|---|---|---|
| PV46063ALTS | Aluminum/Stainless with Tef/Sil SEAT | A: 6 9/16 B: 1 3/4 C: 7 3/4 Disc Travel: 1 1/2 | 8 Eq. Spaced 3/8-16 Threaded Holes on a 4.875" Bolt Circle (3" TTMA Piping) | 5.0 |
| For mounting gasket, see 3" size flange gasket in Section 40 of the Parts List. For weld flange, see 3" size in Section 40 of the Parts List. Note: Vent comes complete with adjustment bar, 2 hex jam nuts, and a 60" push rod. |
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Repair Kits and Accessories
Engineering Bulletins
EB-2-03: Cable Emergency Valve System Schematic.
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/