Section 15112 SOLENOID VALVES

Section 15112

SOLENOID VALVES

PART 1 – GENERAL

1.1 THE REQUIREMENT

A. The work of this Section includes providing 2- and 3-way solenoid valves, direct or pilot operated type, for control of process fluids, complete and operable.

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

B. Comply with the current provisions of the following Codes and Standards:

1. UL 429 Electrically Operated Valves

2. UL 1002 Electrically Operated Valves for Use in Hazardous Locations

1.3 QUALITY ASSURANCE

A. Valves shall be listed by Underwriters Laboratories Inc. in accordance with UL 429 and

UL 1002. Solenoid valves for gas service shall be approved by Factory Mutual.

PART 2 – PRODUCTS

2.1 GENERAL

A. Unless otherwise specified, solenoid valves shall be designed to seal the pressurized

(supply) port upon deenergization.

B. The minimum acceptable operating pressure differential for pilot operated valves shall be

5 psi.

2.2 TYPE

A. Valves with piping connections less than 1-1/2 inches in diameter shall be direct-acting type.

B. Valves with piping connections 1-1/2 inches in diameter and greater shall be pilot operated globe body type.

2.3 VALVE CONSTRUCTION

A. Solenoid valves shall be of the size, type and class indicated and shall be designed for not less than 150 psi working pressure. Valves for water or air service shall have brass or bronze bodies with screwed ends, stainless steel trim and spring, Teflon or other resilient seals with material best suited for the temperature and fluid handled. Solenoid valves in indicated corrosive environments shall have stainless steel bodies. For chemicals and all corrosive fluids, solenoid valves with Teflon bodies and springs or other suitable materials shall be used. General purpose enclosures for indoors shall be NEMA Type 2. For explosion-proof, corrosive, special purpose or outdoor locations, NEMA Type 4, 7, 9, 9E, 9F or 9G enclosures shall be used, as applicable. All coil ratings shall be for continuous duty. For electrical characteristics, see electrical drawings or specifications.

2.4 MANUFACTURERS

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

1. For general duty

a. Direct Acting Type

(1) ASCO

(2) Honeywell-Skinner b. Pilot Type

(1) Cla-Val Co.

(2) Golden Anderson

2. For corrosive fluids

a. Valcor Engineering Corporation b. GF Plastic Systems, Inc.

PART 3 – EXECUTION

3.1 INSTALLATION

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

15100.

B. Solenoid valves shall be installed in accordance with all mechanical, electrical, and instrumentation drawings and specifications where required for the specific operation.

END OF SECTION