Model 217 Spring Loaded Check Valves are for liquid applications only. Body is of precision-machined cast brass with a stainless steel spring and ball. Kingston Model 215A Spring Loaded Check Valves are designed for installation in horizontal pipe lines.

Maximum operating pressure 250 psi
Maximum operating temperature 350°F

Detail Features: 

• Cast red brass body.
• Designed for lubricated or non-lubricated air compressors.
• Designed specifially for use in horizontal pipe lines.
• Heavy duty construction for lasting performance.
• Kingston quality design, engineering and precision manufacturing.
• Precision machined for smooth operation.
• Precision Machined Hard Seat, 440C stainless steel ball.
• Stainless Steel Ball, 440C.
• Stainless steel spring.
• Tested in National Board Approved Quality Assurance Process.