Code of Massachusetts Regulations
524 CMR - BOARD OF ELEVATOR REGULATIONS
Title 524 CMR 35.00 - Safety Code For Elevators And Escalators A17-2004 And The Massachusetts Modifications Of That Code
Part 3 - HYDRAULIC ELEVATORS
Section 3.19 - VALVES, PRESSURE PIPING, AND FITTINGS

Universal Citation: 524 CMR 35.00 MA Code of Regs 3.19

Current through Register 1531, September 27, 2024

3.19.3.3 Flexible Hydraulic Connections

Delete entire section including 3.19.3.3.1 and 3.19.3.3.2. and substitute: "Flexible connections between the jack and the power unit are prohibited in Massachusetts."

3.19.3.3.1 Delete (a) and replace with:

(a) not be installed between the jack and power unit, nor project into or through any wall. Installation shall be accomplished without introducing any twist in the hose, and shall conform with the minimum bending radius of SAE 100, R2 type, high pressure, steel wire reinforced, rubber-covered hydraulic hose specified in SAE J517.

3.19.3.3.1 Retain remaining requirements (b) through (f).

3.19.4.7 Overspeed Valves. Delete and replace with:

3.19.4.7 Overspeed Valves. Unless the hydraulic elevator is installed with a governor-operated safety, an overspeed (rupture) valve shall be provided and connections and attachments shall conform to 3.19.4.7.1 through 3.19.4.7.6.

3.19.4.7.3 Installation of Overspeed Valves. Add a new first sentence:

3.19.4.7.3 Installation of Overspeed Valves. On all hydraulic elevators the piping between the overspeed valve and the hydraulic jack shall be welded or threaded.

3.19.4.7.3 Installation of Overspeed Valves. Retain the remaining language and numbering scheme.

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