229 Neb. Admin. Code, ch. 21, § 029
Current through September 17, 2024
When power boilers provided with manholes are connected to a common steam main, the steam connection from each boiler shall be fitted with two (2) stop valves having an ample free-blowing drain between them. The discharge of the drain shall be piped clear of the boiler setting. The stop valve shall consist of one automatic non-return valve next to the boiler and second valve of the outside screw and yoke type.
229 Neb. Admin. Code, ch. 21, § 029