Product Details
NOTE: 3 1/2″ Vent and Liquid Level Switch not included in assembly.
Assembly No. | Cover Plate | Relief Valve | Clamping Ring, Bolt, Washer, Strongback, & Latch | Clamping Ring Nut | Normal Vent | Wt. (lb.) |
---|---|---|---|---|---|---|
FVAR520BXB | Steel Zinc Plt. | Alum. | Steel Zinc Plt. | Brass | Alum. | 29.7 |
FVAR520CXB | Stnls 304 | Alum. | Stnls 304 | Stnls 304 | Alum. | 30.2 |
FVAR520DXB | Stnls 316 | Alum. | Stnls 304 | Stnls 304 | Alum. | 30.2 |
Note: Manhole assemblies, as listed above, have Buna-N gaskets (suffix "B"). For variation in gasketing change last letter of assembly number as follows: Suffix "V" indicates Viton collar gasket & Viton 10" fill gasket Suffix "W" indicates White Hypalon collar gasket & White Hypalon 10" fill gasket Suffix "T" indicates Teflon envelope collar gasket & Tef-Sil 10" fill o-ring Manhole collars are available in aluminum, steel, and stainless steel. Please see parts page for correct numbers. When welding collars to tank, care should be exercised to insure collar remains flat and round. |
Engineering Bulletins
EB-01-18: Regulatory Instructions: Replacement of Pressure Relief Valves on MC306 Tanks.