Valve Repair Kits & Parts
Valve repair kits and parts are essential components used to maintain and repair valves in fluid control systems. These kits typically include seals, gaskets, o-rings, springs, and other necessary parts needed to restore or replace worn or damaged elements of a valve. Valve repair kits and parts enable the repair and refurbishment of valves, extending their lifespan and ensuring proper functioning. By using these kits, operators can quickly and cost-effectively address valve issues without requiring complete valve replacement. These kits are available for different types and sizes of valves, allowing for specific repairs tailored to the valve's design and requirements. Valve repair kits and parts are essential for industries such as manufacturing, petrochemicals, water treatment, and HVAC, where reliable valve performance is crucial.
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The 87A02721 from Apollo is a Stainless Steel Standard Port Ball Valve. Typical applications span plumbing, commercial mechanical systems, and oil and gas environments. The 87A02721 reflects Apollo's long-standing reputation for quality and innovation. It is designed to comply with applicable NSF and FM requirements.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo Valves 87A02321 is a Stainless Steel Standard Port Ball Valve. This product serves professionals across fire protection, commercial mechanical systems, and plumbing sectors. As a leader in valves and flow control, Apollo manufactures every component to exacting standards.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo Valves 87A02821 is a Stainless Steel Standard Port Ball Valve. This product serves professionals across fire protection, marine, and commercial mechanical systems sectors. As a leader in valves and flow control, Apollo manufactures every component to exacting standards. This product meets relevant UL and FM standards.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo 87A02921 is a Stainless Steel Standard Port Ball Valve. Typical applications span oil and gas, fire protection, and industrial processing environments. Backed by Apollo's commitment to quality, the 87A02921 is built to perform under real-world conditions.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo Valves 87A02021 is a Stainless Steel Standard Port Ball Valve. This product serves professionals across HVAC, oil and gas, and marine sectors. The 87A02021 reflects Apollo's long-standing reputation for quality and innovation. This product meets relevant NSF and ASME standards.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo 87A02A21 is a Stainless Steel Standard Port Ball Valve. Typical applications span commercial mechanical systems, marine, and oil and gas environments. Apollo Valves is recognized globally for engineering products that meet strict performance standards.
Requires Quote
Available for Purchase
Subject to factory lead times
Part number 87A02C21 from Apollo is a Stainless Steel Standard Port Ball Valve. It is commonly found in fire protection, HVAC, and commercial mechanical systems applications. Apollo products are trusted by engineers and specifiers worldwide. This product meets relevant ASME and UL standards.
Requires Quote
Available for Purchase
Subject to factory lead times
Part number 87A02E21 from Apollo is a Stainless Steel Standard Port Ball Valve. This product serves professionals across plumbing, industrial processing, and fire protection sectors. As a leader in valves and flow control, Apollo manufactures every component to exacting standards. It is designed to comply with applicable NSF and ASME requirements.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo 34B100RK is a Thermostatic Mixing Valve Repair Kit, 34B. This product serves professionals across HVAC, industrial processing, and oil and gas sectors. Apollo products are trusted by engineers and specifiers worldwide. This product meets relevant NSF and ASME standards.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo Valves 34B200RK is a Thermostatic Mixing Valve Repair Kit, 34B. It is commonly found in fire protection, HVAC, and plumbing applications. The 34B200RK reflects Apollo's long-standing reputation for quality and innovation.
Requires Quote
Available for Purchase
Subject to factory lead times
Apollo Valves 36LF Series Pressure Reducing Valves are designed to protect residential and commercial water distribution systems by controlling excessive pressures. The valves are built for long reliable service with proven ASTM grade materials including a lead free bronze body and stainless steel strainer.Lead Free AB 1953 CertifiedCorrosion Resistant Bronze Body and Bonnet100% Factory Tested, Preset to 50 psi (-01)Control Pressure Ranges:10-35 psi, 25-75 psi (standard), 75-125 psiIntegral SS StrainerBalanced Piston DesignInternal Thermal Expansion Bypass100% Manufactured in USA
$179.70$212.76
Available for Purchase
Subject to factory lead times
Apollo Valves 36LF Series Pressure Reducing Valves are designed to protect residential and commercial water distribution systems by controlling excessive pressures. The valves are built for long reliable service with proven ASTM grade materials including a lead free bronze body and stainless steel strainer.Lead Free AB 1953 CertifiedCorrosion Resistant Bronze Body and Bonnet100% Factory Tested, Preset to 50 psi (-01)Control Pressure Ranges:10-35 psi, 25-75 psi (standard), 75-125 psiIntegral SS StrainerBalanced Piston DesignInternal Thermal Expansion Bypass100% Manufactured in USA
$297.98$352.81
Available for Purchase
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1006351 - WASHER,#8,SS,TYPE A,INT TOOTH
$0.14$0.16
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1010140 - O-RING,-214,70 DURO,EPDM
$1.24$1.50
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 10332 - FITTING,INSERT,3/8
$0.95$1.15
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070074 - KIT,429,DS,BUNA
$702.78$852.10
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070081 - KIT,421,DS,EP
$56.02$67.92
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070082 - KIT,424,DS,EP
$59.60$72.26
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070083 - KIT,425,DS,NO,EP
$81.57$98.90
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070084 - KIT,426,DS,EP
$94.13$114.12
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070085 - KIT,427,DS,EP
$125.51$152.17
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070086 - KIT,428,DS,EP
$174.02$210.99
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070093 - KIT,421,DS,VITON
$114.00$138.21
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070095 - KIT,425,DS,FKM
$150.60$182.59
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
The 87A02721 from Apollo is a Stainless Steel Standard Port Ball Valve. Typical applications span plumbing, commercial mechanical systems, and oil and gas environments. The 87A02721 reflects Apollo's long-standing reputation for quality and innovation. It is designed to comply with applicable NSF and FM requirements.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo Valves 87A02321 is a Stainless Steel Standard Port Ball Valve. This product serves professionals across fire protection, commercial mechanical systems, and plumbing sectors. As a leader in valves and flow control, Apollo manufactures every component to exacting standards.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo Valves 87A02821 is a Stainless Steel Standard Port Ball Valve. This product serves professionals across fire protection, marine, and commercial mechanical systems sectors. As a leader in valves and flow control, Apollo manufactures every component to exacting standards. This product meets relevant UL and FM standards.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo 87A02921 is a Stainless Steel Standard Port Ball Valve. Typical applications span oil and gas, fire protection, and industrial processing environments. Backed by Apollo's commitment to quality, the 87A02921 is built to perform under real-world conditions.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo Valves 87A02021 is a Stainless Steel Standard Port Ball Valve. This product serves professionals across HVAC, oil and gas, and marine sectors. The 87A02021 reflects Apollo's long-standing reputation for quality and innovation. This product meets relevant NSF and ASME standards.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo 87A02A21 is a Stainless Steel Standard Port Ball Valve. Typical applications span commercial mechanical systems, marine, and oil and gas environments. Apollo Valves is recognized globally for engineering products that meet strict performance standards.
Requires Quote
Available for Purchase
Subject to factory lead times
Part number 87A02C21 from Apollo is a Stainless Steel Standard Port Ball Valve. It is commonly found in fire protection, HVAC, and commercial mechanical systems applications. Apollo products are trusted by engineers and specifiers worldwide. This product meets relevant ASME and UL standards.
Requires Quote
Available for Purchase
Subject to factory lead times
Part number 87A02E21 from Apollo is a Stainless Steel Standard Port Ball Valve. This product serves professionals across plumbing, industrial processing, and fire protection sectors. As a leader in valves and flow control, Apollo manufactures every component to exacting standards. It is designed to comply with applicable NSF and ASME requirements.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo 34B100RK is a Thermostatic Mixing Valve Repair Kit, 34B. This product serves professionals across HVAC, industrial processing, and oil and gas sectors. Apollo products are trusted by engineers and specifiers worldwide. This product meets relevant NSF and ASME standards.
Requires Quote
Available for Purchase
Subject to factory lead times
The Apollo Valves 34B200RK is a Thermostatic Mixing Valve Repair Kit, 34B. It is commonly found in fire protection, HVAC, and plumbing applications. The 34B200RK reflects Apollo's long-standing reputation for quality and innovation.
Requires Quote
Available for Purchase
Subject to factory lead times
Apollo Valves 36LF Series Pressure Reducing Valves are designed to protect residential and commercial water distribution systems by controlling excessive pressures. The valves are built for long reliable service with proven ASTM grade materials including a lead free bronze body and stainless steel strainer.Lead Free AB 1953 CertifiedCorrosion Resistant Bronze Body and Bonnet100% Factory Tested, Preset to 50 psi (-01)Control Pressure Ranges:10-35 psi, 25-75 psi (standard), 75-125 psiIntegral SS StrainerBalanced Piston DesignInternal Thermal Expansion Bypass100% Manufactured in USA
$179.70$212.76
Available for Purchase
Subject to factory lead times
Apollo Valves 36LF Series Pressure Reducing Valves are designed to protect residential and commercial water distribution systems by controlling excessive pressures. The valves are built for long reliable service with proven ASTM grade materials including a lead free bronze body and stainless steel strainer.Lead Free AB 1953 CertifiedCorrosion Resistant Bronze Body and Bonnet100% Factory Tested, Preset to 50 psi (-01)Control Pressure Ranges:10-35 psi, 25-75 psi (standard), 75-125 psiIntegral SS StrainerBalanced Piston DesignInternal Thermal Expansion Bypass100% Manufactured in USA
$297.98$352.81
Available for Purchase
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1006351 - WASHER,#8,SS,TYPE A,INT TOOTH
$0.14$0.16
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1010140 - O-RING,-214,70 DURO,EPDM
$1.24$1.50
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 10332 - FITTING,INSERT,3/8
$0.95$1.15
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070074 - KIT,429,DS,BUNA
$702.78$852.10
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070081 - KIT,421,DS,EP
$56.02$67.92
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070082 - KIT,424,DS,EP
$59.60$72.26
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070083 - KIT,425,DS,NO,EP
$81.57$98.90
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070084 - KIT,426,DS,EP
$94.13$114.12
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070085 - KIT,427,DS,EP
$125.51$152.17
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070086 - KIT,428,DS,EP
$174.02$210.99
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070093 - KIT,421,DS,VITON
$114.00$138.21
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
AQ Matic/Aquamatic and Control Valves 1070095 - KIT,425,DS,FKM
$150.60$182.59
Should ship between 07 Nov and 11 Nov
Subject to factory lead times
FAQS
- Valve repair kits are pre-packaged sets of replacement parts specifically assembled for a particular valve model, containing all the wear components needed to rebuild or refurbish the valve to like-new condition. A typical valve repair kit includes seals, gaskets, O-rings, seats, packing, springs, and other soft goods (elastomeric and polymer components) that wear out or degrade over time due to the effects of pressure cycling, temperature, chemical exposure, and friction. For example, repair kits for Worcester ball valves available through Centro include PTFE stem packing, PTFE thrust washers, PTFE seals, FKM O-rings, and RTFE (reinforced PTFE) seats — all the parts needed to re-seal the valve and restore tight shutoff. Repair kits for Dwyer diaphragm valves include replacement diaphragms and seal components. Having the correct repair kit on hand allows maintenance to rebuild a valve during a scheduled outage rather than purchasing and waiting for a complete replacement valve, saving both cost and downtime.
- Repairing a valve with a rebuild kit is generally the right choice when the valve body, bonnet, and other metallic structural components are still in good condition and only the soft sealing components (seats, seals, packing, O-rings, gaskets) have worn out. This is the most common maintenance scenario for valves in normal service — the metal body lasts for decades, but the polymer and elastomer seals wear over time and need periodic replacement. Repair is usually more cost-effective than replacement for larger, more expensive valves where the body and trim represent the majority of the valve cost. Replacement is the better option when the valve body shows significant corrosion, erosion, cracking, or other structural damage that compromises its pressure-containing integrity; when the valve design is obsolete and spare parts are no longer available; when the valve has been repaired multiple times and the internal surfaces are too worn to hold new seals properly; or when the process requirements have changed and a different valve type or size is now needed.
- Replacement pilot valve assemblies are complete, pre-assembled pilot valve units that can be swapped into an existing valve to restore proper operation when the original pilot section has failed. Rather than replacing the entire valve, you replace only the pilot mechanism — the solenoid, armature, pilot orifice, and associated seals — which is the section most likely to fail or degrade over time. Centro carries replacement pilot valve assemblies for several product lines, including the Dwyer SVT Series (replacement pilot valve assemblies that restore the solenoid operation of these temperature control valves). Pilot section failures are typically caused by coil burnout (from overheating, voltage spikes, or moisture ingress), pilot orifice clogging (from dirty or contaminated air supply), and armature or plunger wear (from millions of operating cycles). Having a replacement pilot assembly on hand allows quick field repair without removing the main valve body from the piping — the pilot section is typically bolted or threaded onto the main valve body and can be swapped in minutes.
- Identifying the correct repair kit requires knowing the valve's manufacturer, model number, and size. The manufacturer's part number (MPN) for the valve is the most reliable way to cross-reference to the correct repair kit — each valve model has a specific kit designed to fit its internal dimensions, seal groove sizes, and component specifications. The valve size (pipe connection size) is also critical because even within the same model family, different sizes use different diameter seals, seats, and packing. The valve's material of construction (body material and trim material) may affect which kit is correct, as some models offer different seal materials optimized for different services. If the valve nameplate or MPN is not readable, measure the valve's connection size, identify the manufacturer from the body markings or casting patterns, and consult with Centro's product specialists who can help cross-reference from the available information. Always verify that the kit contents match the components in the valve before beginning the repair — compare each part from the kit to the corresponding worn part removed from the valve.
- A smart spare parts strategy minimizes unplanned downtime while controlling inventory costs. Keep repair kits on hand for your most critical valves — those where a failure would shut down a production line, create a safety hazard, or cause environmental non-compliance. Prioritize repair kits for valves in severe service (high temperatures, corrosive chemicals, abrasive media, high cycling rates) because their soft goods wear out faster. Stock replacement solenoid coils for your pilot valves and solenoid valves, as coil failure is one of the most common electrical valve failures. Stock replacement diaphragms for diaphragm valves and pulse valves, as these are the primary wear components. Keep replacement actuator seal kits for your pneumatic actuators. For commonly used valve sizes and types, consider keeping a complete spare valve that can be installed immediately as a swap-out, with the failed valve then repaired on the bench and returned to spare stock. Work with Centro's product specialists to identify your critical valves and build a recommended spare parts list based on your specific installed base and operating conditions.