MSU M CL-625 hatches are designed to be cast into place in areas where water infiltration and drainage into the access opening is a concern. These hatches are a flush design and support low impact, occasional traffic loads which are designed with a CL-625 ONT wheel load per clause 3.8.4.3(a) of CAN/CSA-S6-06 and includes an impact factor of 15% of an off-highway location.
Safety controls are engineered right into all MSU access hatches.
M CL-625 access hatches are:
- Aluminum or stainless steel, types 304 or 316, construction
 - Gasketed angle frame
 - Welded drain coupling and ABS fittings
 - Slip resistant checker plate lid
 - Hold-open arm, in type 316 stainless steel, locks lid safely at 90 degrees vertical
 - Continuous hinges 316 stainless steel with all countersunk fasteners
 - Lifting spring in 316 stainless steel
 - Slam lock in type 316 stainless steel with sealing plug and opener
 - Recessed padlock hasp (padlock by others)
 - Designed with a CL-625 ONT wheel load per clause 3.8.4.3(a) of CAN/CSA-S6-06 and includes an impact factor of 15% of an off-highway location
 - Continuous flange anchor
 - Bituminous paint on all areas in contact with concrete
 - All fasteners in stainless steel, type 316
 - Welding to CSA W47.1 and CSA W47.2.
 
MSU M CL-625 hatches are manufactured in single and parallel-door units.
| TYPE M CL-625 ALUMINUM HATCHES | DRAWING | SPEC | 
|---|---|---|
| M CL-625 Single-Door Unit 900 x 900 | ||
| MD CL-625 Double-Door Unit 1200 x 1200 | ||
| MP CL-625 Double-Door Parallel Unit 900 x 1450 | 
**Sizes shown are examples only**
Also available in Stainless Steel, types 304 or 316
Options:
- Stainless steel, types 304 and 316
 - Insulation with back pan (Styrofoam sm 50 mm standard)
 - Custom signage, lettering and wording
 - Custom finishes: anodizing, painting
 

