What is AWWA C504 standard?
This standard establishes minimum requirements for rubber-seated butterfly valves, 3 in. (75 mm) through 72 in. (1,800 mm) in diameter, with various body and end types, for fresh water having a pH range from 6-12 and a temperature range from 33 degrees to 125 degrees F (0.6 degrees to 52 degrees C).
What is an AWWA valve?
AWWA (American Water Works Association) butterfly valves are used for shutoff on clean water and gases. They are designed to provide long life, low headloss and trouble-free performance.
Where are DeZURIK valves manufactured?
In addition to the Sartell location, DeZURIK has manufacturing in Cambridge, Ontario; Redmond, Washington; Houston, Texas; and Gastonia, North Carolina to support the growing needs of its customers.
What is wafer butterfly valve?
Wafer-Style Butterfly Valve The valve is designed to clamp between two flanges in your pipe work. Most wafer butterfly valves fit the majority of flange standards. The rubber or EPDM valve seat creates an exceptionally strong seal between the valve and flange connection.
What is DeZURIK?
DeZURIK is a manufacturer of industrial valves and actuators for municipal and industrial markets including water, waster water, power, mining, paper, chemical, petroleum and petrochem applications.
Does DeZURIK own APCO?
DeZURIK Completes the Acquisition of APCO Willamette Products and Operations. The acquisition of APCO Willamette by DeZURIK, Inc. has been completed effective April 1, 2011.
What is the difference between lug type and wafer type butterfly valve?
Typically there are 8 or 12 lugs where 4 or 6 lugs are used to connect the each pipe section. Wafer type valves don’t have attachment lugs, though them may have alignment lugs. They are sandwiched between the flanges on the ends two lengths of pipe. To replace either length of pipe requires shutting the system down.
What are the different types of gate valves?
Gate valves are available in different types, such as slab, expanding and wedge. Wedge gate valves have a sealing element in the shape of a wedge. A wedge gate valve is a torque seated valve, meaning that the wedge is expanded from both sides due to the stem force and provides sealing.
What is an eccentric plug valve?
What is an eccentric plug valve? A style of rotary control valve with a plug-shaped, flow-restricting member that follows an eccentric path as it rotates. The plug has no contact with its seat until it turns within a few degrees of the shutoff position.
Do wafer butterfly valves need gaskets?
Even wafer style valves require 2 flanges. These should be the same size as your valve and may be one piece or loose ring style flanges. This will allow the surrounding pipe line to connect snugly with the butterfly valve. Most butterfly valves do not require extra gaskets.
What are the different types of butterfly valves?
There are 3 main categories of butterfly valves: Rubber-lined, Plastic-lined, and Metal….Welded
- Used for very-high-pressure applications.
- Because most plastic lined valves are limited to PN10/16 (150#) flanges, this type is rarely seen with plastic-lined valves.
- Garlock does not offer this type of valve.
Why choose DeZurik Baw AWWA butterfly valves?
DeZURIK BAW AWWA Butterfly Valves deliver results and meet stringe nt American Water Works Association C504 and C516 standards. AWWA Butterfly Valves can be applied in services demanding high-quality and thoroughly tested valves which offer many years of trouble-free service.
What are the features of DeZurik AWWA?
Offset disc design, corrosion resistant shaft, stainless steel disc edge, and self-compensating shaft seals are features on all DeZURIK AWWA valves. Molded-in body seat with disc locators provides positive sealing and longer seat life on sizes 3-20” (80-500mm).
What is DeZurik Bos-CL butterfly valve?
DeZURIK BOS-CL On-Center Resilient Seated Butterfly Valves are used for a wide variety of liquids and gases in general service applications. These butterfly valves provide bi-directional shutoff to the full rating of the valve and can be used on dead end service with downstream flange attached.
What is the warranty on DeZurik valves?
All DeZURIK valves are tested for shell and seat leakage and come with a 2-year warranty. We are dedicated to delivering outstanding customer satisfaction. In addition to our standard butterfly valves, we also offer a wide variety of customized options.