Section 15106 BALL VALVES

Section 15106

BALL VALVES

PART 1 - GENERAL

1.1 THE REQUIREMENT

A. The CONTRACTOR shall furnish and install ball valves, complete and operable, as shown and specified herein, including epoxy coating, appurtenances, operators, and accessories, in accordance with the requirements of the Contract Documents.

1.2 RELATED WORK SPECIFIED ELSEWHERE

A. The requirements of the following sections and divisions apply to the Work of this section. Other sections and divisions of the Specifications, not referenced below, shall also apply to the extent required for proper performance of this Work.

1. Section 09800, Protective Coating

2. Section 15100, Valves, General

3. Section 15101, Valve Operators

1.3 REFERENCE SPECIFICATIONS, CODES AND STANDARDS

A. All Work specified herein shall conform to or exceed the applicable requirements of the referenced portions of the following publications to the extent that the provisions thereof are not in conflict with other provisions of these Specifications.

B. Comply with the applicable editions of the following codes, regulations and standards.

1. Industry Standards:

ASME B16.5 Pipe Flanges and Flanged Fittings, NPS 1/2 through

NPS 24 Metric/Inch Standard

AWWA C507 Ball Valves, 6 Inches through 48 Inches (150

Millimeters through 1200 Millimeters)

C. Comply with the applicable reference Specifications as directed in the General

Requirements and Additional General Requirements.

1.4 CONTRACTOR SUBMITTALS

A. Submittals shall be made in accordance with the General Requirements, Additional

General Requirements, and as specified herein.

B. Submittals shall be made in accordance Section 15100, Valves, General.

1.5 QUALITY ASSURANCE A. General:

1. Comply with the testing procedures specified in the reference standards.

a. All valves 6 inches and larger shall be tested in accordance with manufacturer's recommendation and applicable AWWA specifications.

1.6 WARRANTY

A. Guarantees and Warranty shall be furnished in accordance with “Warranty” (CONTRACTOR’s Guarantee) of the General Conditions and Section 15100, Valves, General.

PART 2 - PRODUCTS

2.1 BALL VALVES (6 INCHES AND LARGER)

A. Construction: Unless otherwise specified, all ball valves shall be in accordance with AWWA C507, with cast iron (ASTM), or ductile iron, integral support legs or integral pads, flanged ends, acceptable for velocities up to 35 fps, temperatures up to 125 degrees F, and design pressures to 150 pounds per inch. The balls shall be of cast iron (ASTM A48), ductile iron (ASTM A536 65-45-12), shaft or trunnion mounted, with tight shutoff bi- directionally, double seat, and full bore per Table 2 of AWWA C507. Shaft packing shall be self adjusting and wear compensating. Manually adjustable pull down packing glands are not acceptable. The valves shall be zero leak peroxide cured EPDM rubber or metal seated with the seat retained in the body and out of the flowstream. Seats retained with hardware shall not tap directly into the valve or ball and shall use stainless steel inserts to retain the seat fasteners. Shafts taper pins shall be mechanically lock fastened to the ball/rotor and shall be stainless steel or nickel-copper alloy (Monel) shafts, with not less than one grease packed thrust bearing. AWWA 507 Proof of Design. Hydrostatic leak tests and factory leak test certification shall be provided bi-directionally. Ferrous surfaces of valves 4 inches and larger, which will be in contact with water, shall be amine cured epoxy coated as specified in System No. 100, Section 09800, Protective Coating. Manufacturer shall have a minimum of 7 years proven experience building AWWA C507 ball valves.

B. Operators: Unless otherwise specified or shown, all ball valves shall have manual AWWA operators with handwheel, position indicator, and 2-inch-square operating nut. Operators for buried valves and for power-operated valves shall be in accordance with provisions of Section 15101, Valve Operators.

C. Manufacturers, Or Equal:

1. Henry Pratt Company.

2. APCO.

3. Willamette Valve, Inc.

2.2 BALL VALVES (4 INCHES AND SMALLER) A. General Requirements:

1. Unless otherwise specified or shown, general purpose ball valves in sizes up to 4 inches shall have manual operators with stainless steel lever and nut or hand-wheel. For other operator requirements see Section 15101, Valve Operators. Ferrous surfaces of 4-inch valves, which will be in contact with water, shall be amine cured epoxy coated as specified in System No. 100, Section 09800, Protective Coating. All ball valves shall be of best commercial quality, heavy duty construction.

2. Ball valves in copper lines shall be bronze body with solder ends. Valves shall comply with Title 22/AB 1953 no lead rule.

3. Ball valves shall be top-entry valves, not requiring dismantling of piping for repair, and shall be acceptable for operating in a temperature range from -20 degrees F to

350 degrees F.

4. Valves shall be non lubricated and capable of sealing in either flow direction.

B. Body: All ball valves up to and including 1.5 inches in size shall have Type 316 stainless steel, two- or three-piece bodies with screwed ends for a pressure rating of not less than 300 pounds per inch WOG. Valves of 2 to 4 inches in size shall have bronze, forged brass, or steel with two- or three-piece bodies and flanged ends for a pressure rating of 150 pounds per inch.

C. Balls: The balls shall be Type 316 stainless steel with full openings.

D. Stems: The valve stems shall be of the blowout proof design, of Type 316 stainless steel or other acceptable construction. The stem packing shall be manually adjustable while the valve is under pressure.

E. Stem Seals: Stem seals shall be polytetrafluoroethylene (Teflon TFE/ PTFE) or fluoroelastomer (Viton).

F. Seats: The valve seats shall be of Teflon (TFE) or (PTFE) for bi-directional service and easy replacement.

G. Manufacturers, Or Equal

1. Appollo Conbraco.

2. Jamesbury Corporation.

3. Jenkins Bros.

4. Lunkenheimer Flow Control.

5. Wm. Powell Company.

6. Worcester Controls.

7. Hills-McCanna, Seal Top Entry.

2.3 STAINLESS STEEL BALL VALVES FOR INSTRUMENT AIR PIPING

A. Two inch and smaller ball valves installed in stainless steel piping shall be of Type

316 stainless steel construction with two-piece end entry body, stainless steel ball, Teflon or Viton stem seal, reinforced Teflon seats and thrust washer, a removable operating

lever, and threaded ends. Each ball valve in gauge isolation service shall be furnished

with a round handle. Valves shall be rated not less than 800 pounds per inch nonshock cold water oil gas (WOG) and shall be drip tight in both directions. Valves shall be Conbraco Industries “Apollo 76-100 series” or Neles-Jamesbury “Series 300,” Or Equal.

2.4 PLASTIC BALL VALVES

A. General Requirements:

1. Plastic ball valves for chemical services shall be made of polyvinyl chloride (PVC), chlorinated polyvinyl chloride (CPVC), Teflon (PTFE), or polyvinylidene fluoride (PVDF), as recommended by the manufacturer for indicated service shown on the Pipe Schedule. All valves shall have manual operators, unless otherwise specified or shown.

2. Valves shall have true union type end connections. Sizes 4 inches and greater shall be flanged.

B. Construction:

1. All plastic ball valves shall have union ends or flanged ends conforming to ASME B16.5, class 150, for easy removal.

2. Valves shall be acceptable for a maximum working nonshock pressure of 150 pounds per inch at 73 degrees F for CPVC, with decreasing ratings for higher temperatures and other plastics.

3. Balls shall have full-size ports and Teflon seats.

4. All body seals, union O-ring seals, and stem seals shall be Teflon.

5. Valves shall be furnished with wrench-type manual operator handles.

6. Where valves are used for sodium hypochlorite, a 1/16 inch diameter hole shall be provided in the downstream side of the ball.

C. Plastic ball valves shall be furnished with electric motor actuators where indicated on the Plans. The electric actuator shall be 120 volt, single phase unless otherwise indicated on the Plans. All actuators shall be corrosion resistant NEMA 7 suitable for a Class 1, Division 1 group C. D environment, unless otherwise indicated on the Plans. The valve and actuator shall be factory assembled and supplied by the valve manufacturer.

D. Manufacturers, Or Equal:

1. ASAHI-America, Inc.

2. Georg Fischer Piping Systems, Inc.

3. NIBCO Inc., (Chemtrol).

4. Hayward Industrial Products, Inc.

PART 3 - EXECUTION

3.1 GENERAL

A. All valves installed in plastic pipelines shall be independently supported so as not to cause undue stress or otherwise damage piping.