Air & Vacuum Relief Tank Vent Valve ferrul This bumper is made of

This bumper is made of FDA polypropylene plastic

Material Quantity Casing 1 316L 1 Casing Seal 2 FKM 1 Impeller Nut 3 316L 1 Impeller O-Ring 4 FKM 2 Impeller 5 CF3M 1 Casing Clamp 6 CF8 1 Backplate 7 316L 1 Stationary Seal Gasket - Inner 8 PTFE  1 Stationary Seal 9 Sintered Silicon Carbide 1 Stationary Seal O-Ring 10 FKM 1 Stationary Seal Gasket - Outer 11 PTFE 1 Backplate Seal Ring 12 304 1 Seal Plate Screw 13 18-8 4 Rotary Seal 14 Carbon 1 Rotary Seal O-Ring 15 FKM 1 Seal Spring 16 304 1 Stub Shaft 17 316L 1 Stub Shaft Bolt 18 18-8 1 Adapter 19 304 1 Adapter Bolt 20 18-8 4

These internal seals help reduce product build-up and leaking and improve reliability

Union Hex Nut Ferrule Measurements

but includes both a collar that clamps down on the drive shaft over the full 360 degrees removing the minor wobble that can occur from set screwed shafts and two specialized gaskets to seal the shaft while still allowing a CIP procedure to clean behind the impeller

Air & Vacuum Relief Tank Vent Valve ferrul This bumper is made ofThe valve relieves pressure as the fluid level rises while filling a tank and also relieves vacuum as the fluid level drops while emptying a tank. Features Valve has both 2" and 3" clamp connections Dome helps in preventing external contamination Can be used with any clamp gasket