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Parker C Series Stainless Steel 316 Check Valve, 0.33 psi Cracking Pressure, NPT Female

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Product Specifications
Item Shape
Seat Material Type
Fluorocarbon Rubber
Material Type
Stainless Steel
Brand Name
Manufacturer Series Number
C Series
Upper Temperature Range
400  Degrees Fahrenheit
Style Name
Connector Type
NPT Female
Cracking Pressure
0.33  PSI
System of Measurement
LowerTemperature Range
-15  Degrees Fahrenheit

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1.86 inches 2F-C2L-1/3-SS B006IJB0IS yes $69.17 Buy Options
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4.09 inches 12F-C12L-1/3-SS B006IJB5MY yes $496.60 Buy Options
4.84 inches 16F-C16L-1/3-SS B006IJB6VE yes $504.64 Buy Options

Key Features

  • Check valve provides unidirectional control of liquids and gases
  • Made from stainless steel 316 for higher strength and greater corrosion resistance than stainless steel 304
  • Female NPT threads for connecting to male threaded pipes
  • Cracking pressure is 0.33 psi
  • Working temperature range of -15 to 400 degrees Fahrenheit

Product Description

The Parker C series check valve provides unidirectional control of liquids and gases. The valve body is made of stainless steel 316 for higher strength and greater corrosion resistance than stainless steel 304. Stainless steel 316 is sometimes called "marine-grade stainless steel" due to its resistance to chloride corrosion. It has female NPT threads for connecting to male threaded pipes, creating a tighter seal than straight threads. The cracking pressure is 0.33 pounds per square inch (psi), and the working temperature range is -15 to 400 degrees Fahrenheit.

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.

Parker Hannifin manufactures electromechanical, hydraulic, and pneumatic motion technologies and systems. The company, founded in 1918 and headquartered in Cleveland, OH, provides fluid handling, filtration, sealing and shielding, climate control, process control, and aerospace technologies.

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