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Milwaukee Valve 1509 Series Bronze Swing Check Valve, Class 125, Solder End

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Product Specifications
Material Type
Maximum Steam Pressure Description
125 pounds_per_square_inch
Structure Description
Brand Name
Manufacturer Series Number
1509 Series
Specification Met
Maximum Pressure
200  PSI
Connector Type
Solder End
Style Name
System of Measurement

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Currently showing 1-9 of 9
2.25 inches 1509 - 38 B006BFYLE4 yes $41.90 Buy Options
2.56 inches 1509 - 12 B006BFYJE6 yes $41.90 Buy Options
3.31 inches 1509 - 34 B006BFYKIQ yes $49.08 Buy Options
4.00 inches 1509 - 100 B006BFYM8E yes $62.86 Buy Options
4.25 inches 1509 - 114 B006BFYNWE yes $70.07 Buy Options
4.94 inches 1509 - 112 B006BFYN9C yes $109.70 Buy Options
6.13 inches 1509 - 200 B006BFYPLS yes $147.30 Buy Options
7.38 inches 1509 - 212 B006BFYRO8 yes $86.45 Buy Options
8.5 inches 1509 - 300 B006BFYSME yes $544.50 Buy Options

Key Features

  • Swing check valve restricts flow control to one direction, blocking reverse flow
  • Valve body made of ASTM B-62 bronze for strength and corrosion resistance
  • 200 pounds per square inch (gauge) (psig) rating for water, oil, and gas (WOG) and 125 for steam working pressure (SWP)
  • Cracking pressure of 0.5 pounds per square inch (psi)
  • Solder end connections for semi-permanent connections to tubing

Product Description

The Milwaukee Valve 1509 series bronze swing check valve with solder ends is a class 125 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-62 bronze for strength and corrosion resistance. This valve has maximum pressure ratings of 200 pounds per square inch (gauge) (psig) for water, oil, and gas (WOG) and 125 psig for steam working pressure (SWP), and a cracking pressure of 0.5 pounds per square inch (psi). It has solder end connections for semi-permanent yet reversible connections to tubing. This class 125 check valve is for use in water lines, processing plants, and agricultural applications and meets standard Manufacturers Standardization Society (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, and they remain open when flow moves in the correct direction, but close 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. All 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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