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Application
Designed to provide protection of a container opening when desired flow is always into the vessel. May be used in line applications where flow must be limited to one direction.
When used with the appropriate single check filler valve, the combination forms a double check filler valve suitable for use in filling of bulk storage tanks.
Features
Generous flow channels for low pressure drop.
Heavy-duty construction for long service life.
Soft seat valves have synthetic rubber seat disc for positive seals.
Materials
Body (3146, 3146S, 3176) ...................................................... Brass
Body (all others) ............................................ Cadmium Plated Steel
Disc (3146, 3146S, 3176) ........................................................ Brass
Disc (all others) ............................................. Cadmium Plated Steel
Stem (3146, 3146S, 3176) ...................................................... Brass
Stem (A3146, A3196, A3276BC) ............................... Stainless Steel
Stem (A3176, A3186) .................................... Cadmium Plated Steel
Spring ........................................................................ Stainless Steel
Seat Disc (3146S, A3276BC) ................................ Synthetic Rubber
Designed to provide protection of a container opening when desired flow is always into the vessel. May be used in line applications where flow must be limited to one direction.
When used with the appropriate single check filler valve, the combination forms a double check filler valve suitable for use in filling of bulk storage tanks.
Features
Generous flow channels for low pressure drop.
Heavy-duty construction for long service life.
Soft seat valves have synthetic rubber seat disc for positive seals.
Materials
Body (3146, 3146S, 3176) ...................................................... Brass
Body (all others) ............................................ Cadmium Plated Steel
Disc (3146, 3146S, 3176) ........................................................ Brass
Disc (all others) ............................................. Cadmium Plated Steel
Stem (3146, 3146S, 3176) ...................................................... Brass
Stem (A3146, A3196, A3276BC) ............................... Stainless Steel
Stem (A3176, A3186) .................................... Cadmium Plated Steel
Spring ........................................................................ Stainless Steel
Seat Disc (3146S, A3276BC) ................................ Synthetic Rubber
Inquiry - Rego A3176 Back Pressure Check Valves
