Saf-T-Cart 553-20FW Firewall Cylinder Cart

The Saf-T-Cart 553-20FW carries an oxygen cylinder and an acetylene cylinder with a steel firewall between them, held by two 1/4 in steel permaclamps, on 20 in steel wheels, with a lifting eye rated 1,000 lb. Saf-T-Cart builds it for large construction sites.

Pick the build:

• Standard (553-20FW): Saf-T-Cart lists cylinder capacity as 9-1/2 in and 12-1/2 in diameter.
• 8-1/2 in acetylene (553-20FW-SM): a smaller permaclamp for 8-1/2 in acetylene cylinders (Saf-T-Cart's catalog).
• Widened for propane (553-20FW-P): widened for a 100 lb propane or 115 lb propylene cylinder (Saf-T-Cart's catalog).

The image is Saf-T-Cart's drawing render of the standard build, and the table gives the standard build. How to check your cylinders.

Specification	Value
Floorplate	11 in x 23-1/2 in on Saf-T-Cart's product page (its catalog lists 13 in x 24 in)
Height	65-1/4 in on Saf-T-Cart's product page (its catalog lists 65 in)
Width	29 in on Saf-T-Cart's product page (its catalog lists 34 in)
Weight	99 lb on Saf-T-Cart's product page, 146 lb in its catalog
Wheels	Two 20 in x 2-1/2 in steel wheels (Saf-T-Cart SC-13)
Cylinder hold-down	Two 1/4 in steel permaclamps
Lifting eye	Rated 1,000 lb
Cylinder capacity	Standard build 9-1/2 in and 12-1/2 in diameter; see the builds above

Why the firewall: OSHA requires oxygen cylinders in storage to be kept 20 ft from fuel-gas cylinders and combustible materials, or separated from them by a noncombustible barrier at least 5 ft high with a fire-resistance rating of at least half an hour (OSHA 1910.253(b)(4)(iii)). Saf-T-Cart states its firewalls are at least 60 in tall, block the line of sight between the oxygen and fuel-gas cylinders and carry a 30-minute burn rating, and says its firewall carts meet and exceed OSHA 1910.253. When a firewall cart is the right call: the firewall requirement. How separation works in a shop or on a jobsite: gas cylinder storage guide.

Choosing between pneumatic tires and steel wheels: which wheels for your floor.

Built to order by Saf-T-Cart, typically ships in 10 to 15 business days. Dimension drawings from Saf-T-Cart: 553-20FW (PDF). Compare our other cylinder carts.