Section 15114 PRESSURE REGULATING VALVES

Section 15114

PRESSURE REGULATING VALVES

PART 1 – GENERAL

1.1 THE REQUIREMENT

A. The work of this Section includes providing pressure regulating valves indicated, complete and operable with all accessories.

1.2 REFERENCE SPECIFICATIONS, CODES AND STANDARDS

A. The work of the following sections applies to the work of this Section. Other sections of the Specifications, not referenced below, shall also apply to the extent required for proper performance of this work:

1. General Conditions

2. Section 15100, Valves, General

1.3 SUBMITTALS

A. In addition to the requirements of Section 15100 and the material listed in the detailed specification, the following shall be submitted in accordance with Section 01300:

1. Complete assembly and installation drawings showing dimensional layout, materials of construction, applicable material standards, equipment details and appurtenances.

2. Manufacturer literature and catalog cut sheets.

3. Manufacturer’s installation instructions.

PART 2 – PRODUCTS

2.1 PRESSURE REGULATING VALVES (1½ INCHES AND SMALLER)

A. Small air and water pressure regulating valve shall be of the spring-loaded diaphragm type with a minimum pressure rating of 250 psi, with bronze body, nickel alloy or stainless steel seat, and threaded ends. Each valve shall be furnished with built-in or separate 316 stainless steel strainer and union ends.

2.2 WATER PRESSURE REGULATING VALVES (LARGER THAN 1½ INCHES)

A. Large water pressure regulating valves shall be of the piston-type or diaphragm-actuated globe type, with cast iron body and stainless steel trim. Unless otherwise indicated, the valves shall have a pressure rating of not less than 150 psi, shall have 125-lb flanges and shall have an adjustable downstream pressure range with a downstream setting as required.

2.3 MANUFACTURERS

A. Pressure regulating valves shall be manufactured by one of the following or equal:

1. Pressure Regulating Valves (1½-inches and smaller)

a. Watts Regulator Company b. Wilkins Regulator

2. Water Pressure Regulating Valves (Larger than 1½-inches)

a. Cla-Val Company b. Golden Anderson

PART 3 – EXECUTION

3.1 INSTALLATION

A. Installation shall be in accordance with the manufacturer’s recommendations and Section

15100.

END OF SECTION