The Waterous Series 600 swing check valves by AMERICAN are meticulously engineered to align with ANSI/AWWA C508 standards. Certain configurations are UL Listed.
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This reliable check valve line boasts a rated working pressure of 200 psig, making them suitable for both horizontal and vertical installations, specifically for upward water flow.
Constructed with a robust iron body and bronze mounted design, the Waterous Series 600 valves utilize corrosion-resistant materials in essential locations to address potential corrosion issues.
Durable Resilient Seated Disc
High-strength bronze forms the disc, which features a rubber seal embedded within it. This design ensures a reliable seal even at lower pressure levels.
The Series 600 offers options ranging from 3 inches to 12 inches in size and can be outfitted with either lever and spring or lever and weight setups, particularly advantageous in scenarios involving abrupt flow reversals.
Exceptional Corrosion Resistance
The clapper arm is engineered from high-strength bronze, and the assembly of the check valve disc and clapper arm incorporates corrosion-resistant bearings, bushings, and washers to minimize wear and extend operational longevity.
Optimized Full Waterway Design
These check valves are purposefully constructed to meet the requirements for a 'Full Waterway' as per MSS SP-71, Type I standards. When opened fully, these valves exhibit a cross-sectional waterway area that equals or exceeds that of a circle with a diameter matching the nominal size of the valve.
Standard Features
Compliant with ANSI/AWWA C508
Certification to NSF/ANSI 61 and NSF/ANSI 372
Clapper arm shaft made of stainless steel
Full Waterway design conforming to MSS SP-71 Type I
Bronze clapper arm included
Disc with resilient seating
Optional Protective Coatings
Valves in the Series 600 range can be treated with a fusion-bonded epoxy coating on both internal and external surfaces according to ANSI/AWWA C550 standards.
Understanding the Role of a Swing Check Valve
Understanding the Role of a Swing Check Valve
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Swing check valves are integral in various applications, including sewage management, wastewater treatment, firefighting efforts, power generation, and many household functionalities. A common example of this type is the swing check valve utilized in toilet tanks, permitting water entry while preventing backflow.
This fundamental device facilitates the one-way flow of liquids or gases. The swinging disc opens to allow passage and closes to avert backflow, functioning efficiently in numerous sizes and variations tailored to specific applications.
Mechanics Behind a Swing Check Valve
As one of the prevalent check valve forms, swing check valves are adept at managing significant horizontal flow. The pressure exerted by the fluid causes the disc to swing open, allowing passage, while the cessation of flow prompts the disc to return to a closed position, sealing against the valve's seat. Any counter-pressure from backflow further assists in closing the disc effectively.
Applications of Swing Check Valves
Crafted from metal or PVC, swing check valves excel in systems where fluid is consistently flowing. However, they are vulnerable to damage from sudden pressure fluctuations which may result in leaks due to improper sealing against the seat.
Swing check valves provide straightforward solutions across various sectors, such as:
- Power generation facilities
. Enhanced versions known as silent check valves employ a spring mechanism for more controlled closure, often found in cooling towers and high-pressure applications.
- Natural gas pipelines
. These valves are critical in preventing hazardous backflow that could lead to leaks or fires, widely utilized in gas line systems and residential/commercial meters.
- Oil and gas refining
. Refineries often deploy specially engineered non-slam check valves to mitigate water hammer effects caused by abrupt valve closures.
- High-volume water distribution
. Ideal for consistent-pressure scenarios, swing check valves are the go-to choice in wastewater management and water pumping applications.
- Tailored solutions
. Unique project needs can lead to customized valve designs, where adjustments such as angle modifications or disc weight alterations might be necessary. Collaboration with valve manufacturers can clarify if a bespoke solution fits your requirements.
Discover further about the diverse industries served by TVI Valves.
Offering affordability and ease of maintenance, swing check valves necessitate no external power supply, positioning them as a preferred choice for various horizontal piping systems. At TVI, we provide swing check valves ranging from 3/4 inch to 8 inches, alongside a variety of metal and plastic valves. Reach out to us today to identify the optimal valve solution tailored to your needs.
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