Buttress Taps | McMaster-Carr

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13 Products

Metal Drum Faucets


Style A	Style B	Style C	Style D

All of these faucets are primarily used on drums, but can also be used on tanks, carboys, and other containers. If your drum has a 2" Buttress or Mauser thread, use drum thread adapters to attach drum faucets with pipe size 2 NPT threads.

Style C—Style C have a locknut with a rubber gasket that allows you to position the spigot in any direction. The locknut also provides a tight seal, even on drums with oversized or damaged threads.

			Inlet
	Style	Wetted Parts Material	Pipe Size	Thread Type	Gender	Outlet OD	Lock Type	For Max. Shackle Dia.	Features		Each
Iron Body



		A	Iron, Brass	3/4	NPT	Male	3/4"	Padlockable	5/16"	—	4580T2	000000


		A	Iron, Brass	1 1/2	NPT	Male	1 1/2"	Padlockable	5/16"	—	4580T5	00000
		A	Iron, Brass	2	NPT	Male	1 3/4"	Padlockable	5/16"	—	4580T6	00000
		A	Iron, Brass	3	NPT	Male	2 3/8"	—	—	—	4580T7	000000
		B	Iron, Brass	2	NPT	Male	1 3/4"	Padlockable	5/16"	—	4580T11	00000
		B	Iron, Brass	3	NPT	Male	2 3/8"	—	—	—	4580T12	000000
		B	Iron, Brass	4	NPT	Male	4"	—	—	—	4580T8	000000
		C	Iron, Brass	2	NPT	Male	1 3/4"	Padlockable	5/16"	Swivel Spigot	4580T15	00000


		Aluminum Body



				D	Aluminum, Brass	3/4	NPT	Male	3/4"	Padlockable	5/16"	—	4435T11	00000


				D	Aluminum, Brass	2	NPT	Male	1 3/4"	Padlockable	5/16"	—	4435T15	00000

Plastic Drum Faucets

Style C

Primarily used on drums, these faucets can also be used on tanks, carboys, and other containers.

Style C—Style C can be used with a thread adapter to connect to a drum with a 2” Buttress or Mauser thread.

				Inlet
	Style	Wetted Parts Material	Color	Pipe Size	Thread Type	Gender	Outlet OD	Max. Temp., ° F		Each
Polyethylene Body



		C	EPDM, Polyethylene	Brown	2	NPT	Male	2 1/4"	140	4461T1	000000

Drum Faucets for Viscous Liquids

Style B

Use these faucets with fluids at least as thick as motor oil.

Style B—Style B can be used with a thread adapter to connect to a drum with a 2” Buttress or Mauser thread.

			Inlet
	Style	Wetted Parts Material	Pipe Size	Thread Type	Gender	Outlet OD	Certification		Each
Brass Body



		B	Brass, 304 Stainless Steel, PTFE	2	NPT	Male	1 5/8"	FM Approved	9004T1	0000000

Replacement Drum Faucet Gate Blades