Tank Access | McMaster-Carr

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52 Products

Tank and Hopper Access Ports

Use these ports to access and inspect the interior of tanks and hoppers. All have gaskets to shut out dust and moisture. They also have a padlockable hasp that accepts up to a _5/16" dia. shackle. The panel opening is the same size as the cutout.

Surface and Tank Mount

Image of Product. Front orientation. Access Panels. Tank and Hopper Access Ports.

		Overall
	For Cutout Dia.	Dia.	Dp.	Panel Thk.	Frame Thk.	Seal Material	Panel Lock Type	Temp. Range, ° F	Latch Type	Opens With	Padlock Included	Mount Type	Shape		Each
Steel Panel and Frame



		8"	13 5/8"	4 3/8"	0.135"	0.135"	Buna-N	Padlockable	-40 to 250	Hasp	Handle	No	Weld On	Round	10605A65	0000000


		10"	13 3/8"	4 1/8"	0.135"	0.135"	Buna-N	Padlockable	-40 to 250	Hasp	Handle	No	Weld On	Round	10605A67	000000
		20"	23 13/16"	4 5/8"	0.135"	0.135"	Buna-N	Padlockable	-40 to 250	Hasp	Handle	No	Weld On	Round	10605A69	00000000
		24"	28 3/8"	5 1/2"	0.135"	0.135"	Buna-N	Padlockable	-40 to 250	Hasp	Handle	No	Weld On	Round	10605A75	00000000


		304 Stainless Steel Panel and Frame



				8"	13 5/8"	4 3/8"	0.141"	0.141"	Buna-N	Padlockable	-40 to 250	Hasp	Handle	No	Weld On	Round	10605A66	00000000


				10"	13 3/8"	4 1/8"	0.141"	0.141"	Buna-N	Padlockable	-40 to 250	Hasp	Handle	No	Weld On	Round	10605A68	00000000
				20"	23 13/16"	4 5/8"	0.141"	0.141"	Buna-N	Padlockable	-40 to 250	Hasp	Handle	No	Weld On	Round	10605A71	00000000
				24"	28 3/8"	5 1/2"	0.141"	0.141"	Buna-N	Padlockable	-40 to 250	Hasp	Handle	No	Weld On	Round	10605A76	00000000

Tank and Hopper Access Panels

Use these rectangular panels to access and inspect the interior of tanks and hoppers. All have gaskets to shut out dust and moisture. They also have a padlockable hasp that accepts up to a _5/16" dia. shackle. The panel opening is the same size as the cutout.

Surface and Tank Mount

Rectangular Panel, Screen

Sold Separately

Protective Screens—Screens (sold separately) create a barrier between you and hazardous material stored in a tank or hopper. Their openings are big enough to see through, but they won’t let tools or other objects fall in. Weld the brackets to the panel frame, then bolt the screen to the brackets. The screen won't fall out of the frame if it's jostled, but you can unfasten it if you need to access your tank.

	Access Panels																	Protective Screens
	For Cutout		Overall
	Ht.	Wd.	Lg.	Wd.	Dp.	Panel Thk.	Frame Thk.	Seal Material	Panel Lock Type	Temp. Range, ° F	Latch Type	Opens With	Padlock Included	Mount Type	Shape		Each		Each
Steel Panel and Frame



		8"	5"	9"	6 1/4"	2 1/2"	0.09"	0.135"	Polyethylene	Padlockable	-90 to 170	Hasp	Handle	No	Weld On	Rectangle	10605A41	0000000	10605A21	0000000


		12"	8"	13"	9"	2 1/2"	0.09"	0.135"	Polyethylene	Padlockable	-90 to 170	Hasp	Handle	No	Weld On	Rectangle	10605A42	000000	10605A22	000000
		19 3/4"	13 3/4"	20 3/4"	15"	2 1/2"	0.09"	0.135"	Polyethylene	Padlockable	-90 to 170	Hasp	Handle	No	Weld On	Rectangle	10605A43	000000	10605A23	000000
		19 3/4"	29 1/2"	24 1/2"	34 1/4"	3 1/4"	0.141"	0.25"	Silicone Rubber	Padlockable	-80 to 550	Hasp	Handle	No	Weld On	Rectangle	10605A101	00000000	———	0
		23 1/2"	19 3/4"	24 3/4"	20 3/4"	3 1/2"	0.09"	0.135"	Polyethylene	Padlockable	-90 to 170	Hasp	Handle	No	Weld On	Rectangle	10605A44	000000	———	0
		25 1/2"	39 1/4"	30 1/4"	44"	3 1/4"	0.141"	0.25"	Silicone Rubber	Padlockable	-80 to 550	Hasp	Handle	No	Weld On	Rectangle	10605A102	00000000	———	0


		304 Stainless Steel Panel and Frame



				8"	5"	9"	6 1/4"	2 1/2"	0.094"	0.141"	Polyethylene	Padlockable	-90 to 170	Hasp	Handle	No	Weld On	Rectangle	10605A51	000000	10605A21	000000


				12"	8"	13"	9"	2 1/2"	0.094"	0.141"	Polyethylene	Padlockable	-90 to 170	Hasp	Handle	No	Weld On	Rectangle	10605A52	000000	10605A22	000000
				19 3/4"	13 3/4"	20 3/4"	15"	2 1/2"	0.094"	0.141"	Polyethylene	Padlockable	-90 to 170	Hasp	Handle	No	Weld On	Rectangle	10605A53	00000000	10605A23	000000
				23 1/2"	19 3/4"	24 3/4"	20 3/4"	3 1/2"	0.094"	0.141"	Polyethylene	Padlockable	-90 to 170	Hasp	Handle	No	Weld On	Rectangle	10605A54	00000000	———	0

Access Ports for Insulated Pipes

These flexible ports are often used to inspect insulated pipes and tanks for corrosion. Their frame has locking ridges to secure it in insulation that is at least _3/4" thick; no mounting screws or caulk needed. The panel fits snugly into the frame for a watertight seal. Panel opening is up to _{1 1/4"} smaller than the cutout.

Pipe and Tank Mount

Image of Product. Front orientation. Access Panels. Access Ports for Insulated Pipes.

	For Cutout
	Dia.	Dp.	Overall Dia.	Color	Panel Lock Type	Temp. Range, ° F	Opens With	Features	Mount Type	Mounting Profile	Shape		Each
Silicone Rubber Panel and Frame



		1 1/2"	3/4"	2 3/8"	Gray	Nonlocking	-130 to 500	Handle	Locking Ridges	Push In	Recessed	Round	7522A111	00000


		2 1/2"	3/4"	3 3/8"	Gray	Nonlocking	-130 to 500	Handle	Locking Ridges	Push In	Recessed	Round	7522A25	00000
		3 1/2"	3/4"	4 3/8"	Gray	Nonlocking	-130 to 500	Handle	Locking Ridges	Push In	Recessed	Round	7522A112	00000
		5"	3/4"	5 7/8"	Gray	Nonlocking	-130 to 500	Handle	Locking Ridges	Push In	Recessed	Round	7522A55	00000

Extended-Reach Rolling Platform Ladders

With a work platform that extends beyond the base, these rolling ladders—also known as cantilever ladders—provide access to hard-to-reach areas, such as the top of large tanks and over conveyors. Wheel brakes keep these ladders stationary while in use. The number of steps listed includes the platform. Shipped assembled, except the handrails and base require assembly.

Note: All ladders meet OSHA and Cal/OSHA dimensional and construction standards. Check local, state, and federal codes, including OSHA, for safe set up and operating practices.

Powder-Coated Steel Ladders with Counterbalanced Base

Counterbalaned Base

Image of Attribute. Front orientation. Contains Annotated. Extended-Reach Rolling Platform Ladders, Powder-Coated Steel Ladders with Counterbalanced Base.

Image of Attribute. Front orientation. Contains Annotated, Border. Extended-Reach Rolling Platform Ladders.

Perforated Step

Counterbalanced-base ladders use a counterweight to stay stable, so their base isn’t as long as an extended base. As a result, it’s easier to position these ladders over tanks and other equipment where there isn’t room to slide the base underneath. Place the counterweight near the first step before use.

Perforated Step—For regular indoor use, choose a perforated tread. It has raised holes to keep you from slipping.

Conversion Kits—Conversion kits turn counterbalanced-base ladders into extended-base ladders, eliminating the need for a counterweight. Without a counterweight, these ladders are easier to move.

	Ladders																		Conversion Kits		Replacement Rigid Casters			Replacement Swivel Casters			Replacement Casters (Two Swivel and Two Rigid)
		Platform				Overall
	No. of Steps	Ht.	Wd. (E)	Dp. (F)	Max. Climbing Ht.	Ht.	Wd.	Dp.	Wt. Cap., lb.	Overhang Dp.	Ground Clearance Ht.	Color	Wheel Configuration	Brake Type	Assembly	Specs. Met		Each		Each	No. of Casters		Each	No. of Casters		Each		Each
Perforated Steps and Platform



		6	5 ft.	24"	40"	5 ft.	102"	30"	92"	300	40"	6 3/4"	Yellow	Two Rigid Casters and Two Swivel Casters	Wheel Brake	Partially Assembled	ANSI-ASC A14.7, Cal/OSHA Compliant Title 8 Section 3626, OSHA Compliant 29 CFR 1910 Subpart D	4250N12	000000000	4250N21	0000000	1	4250N32	000000	1	4250N31	0000000	4250N37	0000000


		7	70"	24"	40"	70"	112"	30"	101"	300	40"	6 3/4"	Yellow	Two Rigid Casters and Two Swivel Casters	Wheel Brake	Partially Assembled	ANSI-ASC A14.7, Cal/OSHA Compliant Title 8 Section 3626, OSHA Compliant 29 CFR 1910 Subpart D	4250N13	00000000	4250N21	000000	1	4250N32	00000	1	4250N31	000000	4250N37	000000
		8	80"	24"	40"	80"	122"	30"	109"	300	40"	6 3/4"	Yellow	Two Rigid Casters and Two Swivel Casters	Wheel Brake	Partially Assembled	ANSI-ASC A14.7, Cal/OSHA Compliant Title 8 Section 3626, OSHA Compliant 29 CFR 1910 Subpart D	4250N14	00000000	4250N21	000000	1	4250N32	00000	1	4250N31	000000	4250N37	000000
		9	90"	24"	40"	90"	11 ft.	30"	117"	300	40"	6 3/4"	Yellow	Two Rigid Casters and Two Swivel Casters	Wheel Brake	Partially Assembled	ANSI-ASC A14.7, Cal/OSHA Compliant Title 8 Section 3626, OSHA Compliant 29 CFR 1910 Subpart D	4250N16	00000000	4250N21	000000	1	4250N32	00000	1	4250N31	000000	4250N37	000000

Rope Ladders


1 Loop	2 Loops	Locking-Snap Hooks

Attach one of these ladders to a fixed object and drop it into a tank, manhole, pit, or temporary work area. They’re lightweight, so you can easily carry them anywhere.

Note: Check local, state, and federal codes, including OSHA, for safe set-up and operating practices.

1 Loop and 2 Loops—Ladders with 1 or 2 loop ends work well when you already have hooks you can slide the loops over. Otherwise, you’ll need to use carabiners or other hardware to secure these ladders to an anchor point.

With Locking Snap-Hook Mount—Ladders with locking snap hooks have hardware built in for attaching directly to an anchor point.

		Overall						Hook			Step
	Max. Climbing Ht.	Ht., ft.	Wd.	Wt. Cap., lb.	Wt., lb.	Rope Dia.	Loop ID	ID	Ht.	No. of Steps	Material	Tread		Each
Nylon Rope Rail







				With 1 Loop Mount

				18"	4	12"	300	2	3/8"	20"	—	—	3	Plastic	Ribbed	8195T121	000000


				30"	5	12"	300	3	3/8"	20"	—	—	4	Plastic	Ribbed	8195T122	00000
				3 ft.	6	12"	300	3	3/8"	20"	—	—	5	Plastic	Ribbed	8195T123	00000




						With 2 Loop Mounts

						10 ft.	15	15"	300	10	5/8"	3"	—	—	10	Wood	Smooth	8195T51	000000


						12 ft.	17	15"	300	12	5/8"	3"	—	—	12	Wood	Smooth	8195T52	000000
						15 ft.	20	15"	300	15	5/8"	3"	—	—	15	Wood	Smooth	8195T53	000000
						20 ft.	25	15"	300	20	5/8"	3"	—	—	20	Wood	Smooth	8195T54	000000
						25 ft.	30	15"	300	25	5/8"	3"	—	—	25	Wood	Smooth	8195T55	000000
						30 ft.	35	15"	300	30	5/8"	3"	—	—	30	Wood	Smooth	8195T56	000000
						40 ft.	45	15"	300	40	5/8"	3"	—	—	40	Wood	Smooth	8195T57	000000
						50 ft.	55	15"	300	50	5/8"	3"	—	—	50	Wood	Smooth	8195T58	000000




								With Locking Snap-Hook Mount

								10 ft.	15	15"	300	10	5/8"	—	1"	5 3/4"	10	Wood	Smooth	8195T91	000000


								12 ft.	17	15"	300	12	5/8"	—	1"	5 3/4"	12	Wood	Smooth	8195T92	000000
								15 ft.	20	15"	300	15	5/8"	—	1"	5 3/4"	15	Wood	Smooth	8195T93	000000
								20 ft.	25	15"	300	20	5/8"	—	1"	5 3/4"	20	Wood	Smooth	8195T94	000000
								25 ft.	30	15"	300	25	5/8"	—	1"	5 3/4"	25	Wood	Smooth	8195T95	000000
								30 ft.	35	15"	300	30	5/8"	—	1"	5 3/4"	30	Wood	Smooth	8195T96	000000
								40 ft.	45	15"	300	40	5/8"	—	1"	5 3/4"	40	Wood	Smooth	8195T97	000000
								50 ft.	55	15"	300	50	5/8"	—	1"	5 3/4"	50	Wood	Smooth	8195T98	000000