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
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 | B.C.: 4 7/8 N.H.: 8 S.H.: 3/8-16 | 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.