Who makes Kennedy valves?
McWane family
Kennedy Valve is proud to be a part of the McWane family of companies.
What does Kennedy Valve do?
In the 135 plus years since its founding, Kennedy Valve has expanded to be a full-line waterworks valve and hydrant manufacturer, supplying resilient seated gate valves, fire hydrants, check valves, butterfly valves, indicator posts, grooved butterfly valves and an assortment of related products and appurtenances.
Where are Kennedy valves made?
Elmira, N. Y.
The Kennedy Valve business continues to develop rapidly, and a larger, more modern plant is built on a 20-acre site in Elmira, N. Y. — now 52.59 acres. Kennedy Valve expands with the addition of a brass foundry.
What is an OS&Y gate valve?
One type of valve commonly used to control water flow to fire sprinkler systems is known as an OS&Y gate valve. OS&Y means “outside stem and yoke” or “outside screw and yoke”. OS&Y gate valves operate by opening and closing via a gate, which lowers into or rises out of the valve.
What is AWWA C509?
AWWA C509 standard was developed in 1980 to formalize the design standard for resilient seat valves for water and waste water. The wall thickness was adopted from the standard first published in 1952 for metal seated valves – AWWA C500.
Can a gate valve be repaired?
A malfunctioning gate valve is not difficult to repair, but it is even easier to prevent. These problems are typically caused by mineral buildup, so you should fully close and open your gate valves every few months to clear potential problems.
What does OS & Y mean?
outside screw and yoke
OS&Y means “outside stem and yoke” or “outside screw and yoke”. OS&Y gate valves operate by opening and closing via a gate, which lowers into or rises out of the valve. Raising the gate allows water to flow through the valve while lowering the gate cuts off the water flowing through the valve.
What is AWWA C500?
AWWA C500-09 Metal-Seated Gate Valves for Water Supply Service.
What is AWWA Gate Valve?
The AMERICAN Series 2500 Ductile Iron 250 psig AWWA Resilient Wedge Gate Valve is designed for use in drinking water, sewage and fire protection systems as well as irrigation and backflow control systems.
Can I repair a gate valve?
What does OS&Y mean on a gate valve?
April 2012. One type of valve commonly used to control water flow to fire sprinkler systems is known as an OS&Y gate valve. OS&Y means “outside stem and yoke” or “outside screw and yoke”. OS&Y gate valves operate by opening and closing via a gate, which lowers into or rises out of the valve.
Do I need a PIV?
A PIV unit can also help improve indoor air quality, helping to reduce odours, VOCs and pollutants that enter the house. It can also reduce humidity by ensuring a fresh flow of air into the property. PIV is clinically proven to help reduce dust mite allergens which can cause asthma and affect allergy sufferers.
Where is PIV required?
Post-Indicator Requirements of NFPA 13 NFPA 13 only states that where post-indicator valves are used, they top of the post must be 32-40 inches above grade, and they must be protected against mechanical damage (NFPA 13 2002 8.15. 1.3, 2007-16 8.16. 1.3, 2019 16.9.
What is the difference between AWWA C509 and C515?
The AWWA C509 design standard was developed based on the physical characteristics of cast iron while AWWA C515 was developed based on the more robust physical characteristics of ductile iron. AWWA C509 standard was developed in 1980 to formalize the design standard for resilient seat valves for water and waste water.
What is AWWA C110?
AWWA C110-12 Ductile-Iron and Gray-Iron Fittings (PDF)
How do I know if my OSY valve is open?
Outside Stem & Yoke (OS&Y) valve (also called an indicating gate valve)—Indicating type means that one can visually determine if the valve is open or closed. An OS&Y valve is open when the threaded stem extends from the valve. The valve is closed when the stem is not visible above the control wheel.
How do you turn off a gate valve?
Gate valves close by turning the wheel clockwise until the water is off. Ball valves close by turning the straight handle a quarter turn clockwise until the water is off. To verify the water is off, turn on the hose bib next to the house valve.
Does PIV make your house cold?
PIV units work in both houses and flats Air from the loft is pulled into the rest of the house to create positive air pressure, without any need to heat it.