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Milwaukee Valve 508 Series Bronze Swing Check Valve, Class 200, NPT Female

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Product Specifications
Material Type
Bronze
Maximum Steam Pressure Description
200 pounds_per_square_inch
Structure Description
Swing
Brand Name
Milwaukee
Manufacturer Series Number
508 Series
Specification Met
MSS SP-80
Maximum Pressure
400  PSI
Connector Type
NPT Female
Style Name
Threaded
UNSPSC Code
40141600
System of Measurement
Inch

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Price  
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Currently showing 1-10 of 10
2.25 inches 508 - 14 B006BG08WC yes $53.15 Buy Options
2.25 inches 508 - 38 B006BG0BFG yes $65.55 Buy Options
2.63 inches 508 - 12 B006BG07M8 yes $56.49 Buy Options
3 inches 508 - 34 B006BG0A8E yes $78.68 Buy Options
3.69 inches 508 - 100 B006BG0DA4 yes $86.06 Buy Options
4.38 inches 508 - 114 B006BG0FF2 Usually ships in 1 to 2 months $119.37 Buy Options
4.63 inches 508 - 112 B006BG0EH6 yes $175.30 Buy Options
5.88 inches 508 - 200 B006BG0GKG yes $277.25 Buy Options
7 inches 508 - 212 B006BG0HQY yes $293.08 Buy Options
7.88 inches 508 - 300 B006BG0IWC yes $649.50 Buy Options

Key Features

  • Swing check valve restricts flow control to one direction, blocking reverse flow
  • Valve body made of ASTM B-61 cast bronze for strength and corrosion resistance
  • 400 pounds per square inch (gauge) (psig) rating for water, oil, and gas (WOG) and 200 for steam working pressure (SWP)
  • Cracking pressure of 0.5 psi
  • Female National Pipe Taper (NPT) threads on both ends for connecting to male threaded pipes

Product Description

The Milwaukee Valve 508 series bronze swing check valve with female National Pipe Taper (NPT) threads on both ends is a class 200 valve used for restricting fluid flow to one direction. It has a hinged disc that swings onto the seat of the valve to block reverse flow. The valve body is made of American Society of Testing and Materials (ASTM) B-61 cast bronze for strength and corrosion resistance. This valve has maximum pressure ratings of 400 pounds per square inch (gauge) (psig) for water, oil, and gas (WOG) and 200 psig for steam working pressure (SWP), and a cracking pressure of 0.5 psi. It has female NPT threads on both ends for connecting to male pipes with tighter seals than straight threads. This class 200 check valve is for use in water lines, processing plants, and agricultural applications and meets standard MSS SP-80 for quality assurance. Class is a standard relating to tolerance, construction, dimension, and wall thickness, but it is not a direct measurement of maximum working pressure.

Check valves have two ports and restrict the flow of fluids and other loose materials through a pipe or passageway to one direction. Flow enters through one port and exits through the other, closing when flow reverses or stops. Two common types of check valves are ball cone valves and swing check valves. A ball cone valve utilizes a spring-loaded ball seated against a cone-shaped interior surface to stop the flow of fluid in a forward direction, and a swing check valve has a movable disc on a hinge to block reverse flow. Check valves are rated by their cracking pressure (the minimum upstream pressure required for the valve to operate), and they are used in various water, gas, air, and steam lines.

The Milwaukee Valve Company manufactures manual and actuated valves, controls, and control accessories. The company, founded in 1901, and headquartered in New Berlin, WI, meets International Organization for Standardization (ISO) 9001:2008 and 14001:2004 standards.

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