CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER F—MARINE ENGINEERING (parts 50 to 64) > PART 52—POWER BOILERS > SUBPART 52.20—Requirements for Firetube Boilers (§52.20-1 to §52.20-25) > 52.20-17—Opening between boiler and safety valve (modifies PFT-44).

52.20-17—Opening between boiler and safety valve (modifies PFT-44).

When a discharge pipe is used, it must be installed in accordance with the requirements of § 52.01-105.
[CGD 81-79, 50 FR 9434, Mar. 8, 1985]