Check Valves - Apollo Valves

Check valves are essential flow control devices that allow fluid movement in one direction while preventing backflow. These self-activating valves enhance system efficiency, reduce pressure loss, and protect equipment in various industrial and commercial applications.


At Centro, we offer a comprehensive selection of check valves built for durability and performance. Whether you need swing check valves for irrigation systems, sump pump check valves to prevent water backflow, or compressed air check valves for pneumatic systems, we have the right solution for your application.

Types of Check Valves We Offer:


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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Apollo Stainless Steel Ball-Cone In Line Check Valve with .2 psig Cracking Pressure, Standard Configuration 1-1/4" (2 x FNPT)
MPN:6212601
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$524.16$620.59

Regular Price: $620.59, you save $96.43 (16%)
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Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .2 psig Cracking Pressure, Standard Configuration 1/2" (2 x FNPT)
MPN:6212301
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$179.39$212.39

Regular Price: $212.39, you save $33.00 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .2 psig Cracking Pressure, Standard Configuration 1/4" (2 x FNPT)
MPN:6212101
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$149.04$176.46

Regular Price: $176.46, you save $27.42 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .2 psig Cracking Pressure, Standard Configuration 2" (2 x FNPT)
MPN:6212801
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$1,274.84$1,509.39

Regular Price: $1,509.39, you save $234.55 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .2 psig Cracking Pressure, Standard Configuration 3/4" (2 x FNPT)
MPN:6212401
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$285.54$338.07

Regular Price: $338.07, you save $52.53 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .2 psig Cracking Pressure, Standard Configuration 3/8" (2 x FNPT)
MPN:6212201
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$152.45$180.49

Regular Price: $180.49, you save $28.04 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .5 psig Cracking Pressure, 10 psig 3/4" (2 x FNPT)
MPN:62104A2
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$282.16$334.08

Regular Price: $334.08, you save $51.92 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .5 psig Cracking Pressure, 10 psig 3/8" (2 x FNPT)
MPN:62102A2
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$149.04$176.46

Regular Price: $176.46, you save $27.42 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .5 psig Cracking Pressure, 10 psig Opening Pressure 3/4" (2 x FNPT)
MPN:6210403
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$282.16$334.08

Regular Price: $334.08, you save $51.92 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .2 psig Cracking Pressure, Standard Configuration 1-1/4" (2 x FNPT)
MPN:6212601
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$524.16$620.59

Regular Price: $620.59, you save $96.43 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .2 psig Cracking Pressure, Standard Configuration 1/2" (2 x FNPT)
MPN:6212301
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$179.39$212.39

Regular Price: $212.39, you save $33.00 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .2 psig Cracking Pressure, Standard Configuration 1/4" (2 x FNPT)
MPN:6212101
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$149.04$176.46

Regular Price: $176.46, you save $27.42 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .2 psig Cracking Pressure, Standard Configuration 2" (2 x FNPT)
MPN:6212801
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$1,274.84$1,509.39

Regular Price: $1,509.39, you save $234.55 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .2 psig Cracking Pressure, Standard Configuration 3/4" (2 x FNPT)
MPN:6212401
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$285.54$338.07

Regular Price: $338.07, you save $52.53 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .2 psig Cracking Pressure, Standard Configuration 3/8" (2 x FNPT)
MPN:6212201
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$152.45$180.49

Regular Price: $180.49, you save $28.04 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .5 psig Cracking Pressure, 10 psig 3/4" (2 x FNPT)
MPN:62104A2
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$282.16$334.08

Regular Price: $334.08, you save $51.92 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .5 psig Cracking Pressure, 10 psig 3/8" (2 x FNPT)
MPN:62102A2
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$149.04$176.46

Regular Price: $176.46, you save $27.42 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times

Apollo Stainless Steel Ball-Cone In Line Check Valve with .5 psig Cracking Pressure, 10 psig Opening Pressure 3/4" (2 x FNPT)
MPN:6210403
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
The Apollo 62-100 Series is uniquely suited for applications in corrosive environments, including chemical processing, pulp and paper and other process industries. The rugged stainless steel body and RPTFE ball cone check provide reliable, patented protection against reverse flow. Unique Design (US Patent # 4,172,465)Spring-Loaded For Fast Seating ActionCenter Guided - Radial Alignment Never NeededStraight-Through Flow Minimizes Pressure Loss
Sale Price:

$282.16$334.08

Regular Price: $334.08, you save $51.92 (16%)
Loginto your account
Available for Purchase

Subject to factory lead times