Check Valves
Check valves are mechanical devices designed to allow fluid—whether liquid or gas—to flow in only one direction, preventing backflow that can damage equipment or disrupt system performance. Commonly used in industrial, plumbing, and MRO (maintenance, repair, and operations) systems, they automatically open with forward flow and close when flow reverses. Available in various types like swing, ball, and inline designs, check valves are essential for ensuring system integrity, protecting pumps and compressors, and maintaining operational safety.
Types of Check Valves We Offer:
- Swing Check Valves – Ideal for irrigation and low-pressure systems
- Ball Check Valves – Reliable for wastewater and slurry applications
- Piston Check Valves – Designed for precise flow control in hydraulic systems
Centro partners with leading manufacturers to provide top-quality materials and engineering in every check valve we supply. Browse our extensive selection and find the perfect check valve for your needs. Order online today or contact our experts for assistance!
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MPN:61106A1
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$270.74$320.55
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Available for Purchase
Subject to factory lead times
MPN:61100A157
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$2,038.59$2,413.67
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Available for Purchase
Subject to factory lead times
MPN:61105T01
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$155.47$184.08
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Available for Purchase
Subject to factory lead times
MPN:6112501
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$162.92$192.89
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Available for Purchase
Subject to factory lead times
MPN:6122601
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$308.18$364.88
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Available for Purchase
Subject to factory lead times
MPN:6112301
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$85.63$101.38
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Available for Purchase
Subject to factory lead times
MPN:6110801PR
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$424.85$503.01
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Available for Purchase
Subject to factory lead times
MPN:6120801
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$632.40$748.75
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Available for Purchase
Subject to factory lead times
MPN:6110901
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$1,217.24$1,441.19
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Available for Purchase
Subject to factory lead times
MPN:61106A1
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$270.74$320.55
Loginto your account
Available for Purchase
Subject to factory lead times
MPN:61100A157
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$2,038.59$2,413.67
Loginto your account
Available for Purchase
Subject to factory lead times
MPN:61105T01
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$155.47$184.08
Loginto your account
Available for Purchase
Subject to factory lead times
MPN:6112501
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$162.92$192.89
Loginto your account
Available for Purchase
Subject to factory lead times
MPN:6122601
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$308.18$364.88
Loginto your account
Available for Purchase
Subject to factory lead times
MPN:6112301
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$85.63$101.38
Loginto your account
Available for Purchase
Subject to factory lead times
MPN:6110801PR
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$424.85$503.01
Loginto your account
Available for Purchase
Subject to factory lead times
MPN:6120801
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$632.40$748.75
Loginto your account
Available for Purchase
Subject to factory lead times
MPN:6110901
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Apollo 61 Series Ball Cone® Check Valves offer reliable protection against reverse flow and exceptional resistance to chemicals and corrosion using proven ASTM quality materials. Well-suited for a broad range of applications, including saturated steam and chemical service. May be installed in both horizontal and vertical flow with upward flow. Made in the USA.Spring ActuatedTight Shut-off with Liquid MediaFlow Straight-Through Design EfficiencyRPTFE Ball Cone for Chemical Resistance100% Factory Tested
Sale Price:
$1,217.24$1,441.19
Loginto your account
Available for Purchase
Subject to factory lead times