The Guardian™ Fire Door is engineered to meet ever-increasing demands of property owners and insurance underwriters in a simple, easy-to-test, and reset fire protection product with a U.L. label rating from ¾-hour to 4-hour protection. Manual push-up, chain hoist and automatic reset motor operation is available for Guardian™ Fire Doors and can incorporate one of several release device options. The National Fire Protection Association (NFPA) and other model codes recommend frequent drop testing of rolling steel fire doors to ensure a continuous state of operational readiness. C.H.I. strongly promotes these recommendations with the Guardian™ advanced design features
SPECIFICATIONS AND OPTIONS
| 7400 | 7401 | 7301 | 7302 | 7366 | |
| CURTAIN | |||||
| Flat slat | – | S | S | S | S |
| Curved slat | S | — | — | — | — |
| Exterior Skin | |||||
| 22 gauge, Galvanized† [G/W/T/B/U/P] | S1 | S1 | S2 | S2 | — |
| 20 gauge, Galvanized† [G/W/U/P] | S3 | S3 | S4 | S4 | — |
| 18 gauge, Galvanized† [G/W/U/P] | S4 | S4 | O | — | — |
| 22 gauge, Stainless steel [#4] | — | — | — | — | S |
| Interior Skin | |||||
| 24 gauge, Galvanized [G/W/T/B/U/P] | — | — | — | S | — |
| INSULATION | |||||
| Mineral wool | — | — | — | S | — |
| R-Value | — | — | — | 4.2 | — |
| BOTTOM BAR | |||||
| Minimum 1/8” double angle steel [BK] | S | S | S | S | — |
| 1/8” Double angle stainless steel [M] | — | — | — | — | S |
| HOOD | |||||
| 24 gauge, Galvanized [G/W/T/B/U/P] | S | S | S | S | — |
| 24 gauge, Stainless steel [#4] | — | — | — | — | S |
| GUIDES Fabricated from three (minimum 3/16”) structural steel angles bolted together to form guide channel. Guide angles include curtain stops and flared guides. | |||||
| Painted steel [BK] | S | S | S | S | S |
| Hot dipped galvanized steel | O | O | O | O | O |
| Cold galvanized steel | O | O | O | O | O |
| Mill finish stainless steel | — | — | — | — | O |
| FIRE RATING | |||||
| 3/4-Hour | Approved | Approved | Approved | Approved | Approved |
| 1-1/2-Hour | Approved | Approved | Approved | Approved | Approved |
| 3-Hour | Approved | Approved | Approved | Approved | Approved |
| 4-Hour | Approved | Approved | — | — | — |
| OPERATION | |||||
| Manual push-up [maximum size is 12’4” x 10’4”] | O | O | O | — | O |
| Chain hoist | S | S | S | S | S |
| Motor | O | O | O | O | O |
| STANDARD DIMENSIONS Consult factory for larger sizes. | |||||
| Width | 24’0” | 24’0” | 24’0” | 24’0” | 13’0” |
| Height | 24’0” | 24’0” | 24’0” | 20’4” | 24’0” |
LOCKING Manual push-up doors furnished with interior slide bolt locks with padlock provision standard. Chain hoist operated doors furnished with chain hoist keeper suitable for padlocking. Optional bottom bar cylinder locking available.
WARRANTY Manufacturer’s standard 5-year from date of plant shipment against defects in materials or workmanship. Spring wire is warranted for one year. C.H.I.’s obligations are strictly limited to repair or replacement of defective parts and components during the warranty period.
INSTALLATION C.H.I. Rolling Steel Doors shall be installed and adjusted according to C.H.I. assembly instructions by trained door service technicians.
S = Standard O = Optional — = Not available G = Gray W = White T = Tan B = Brown U = Unpainted galvanized #4 = #4 polished P = Powder coat BK = Black † = Gauge is dictated by UL procedure. Call for more information.
1 Standard on doors up to 13’4” wide. 2 Standard on doors up to 18’4” wide. 3 Standard on doors from 13’5” to 18’4” wide. 4 Standard on doors from 18’5” to 24’0” wide.
