Backflow can damage pumps, flood equipment, and trigger costly system shutdowns in industries like water treatment, oil and gas, and power generation. Choosing the right check valve protects your pipeline from reverse flow, pressure surges, and water hammer. The titan check valve types lineup spans center-guided, dual disc, single disc, and full-body swing designs, each engineered for specific pressure ratings, fluid types, and installation spaces.
This guide breaks down every major titan check valve type, model series, and application fit. You will learn how to match body materials, pressure classes, and connection styles to your system requirements. By the end, you will know which valve delivers silent shut-off, low head loss, or fire protection compliance for your operation.
Center-Guided Silent Check Valves
Titan center-guided check valves use a linear-guided disc and spring-assist mechanism to close near zero flow velocity. This eliminates slam, reduces water hammer, and protects downstream equipment. These valves are ideal for systems where noise, vibration, and surge pressure are ongoing concerns.
Globe Style with Flow Straightening Vanes
The CV50 and CV51 series feature a globe-style body with integral straightening vanes that calm turbulent flow and improve hydraulic efficiency. The guided disc ensures precise alignment and rapid closure before flow reversal begins.
- Models: CV50-DI (Ductile Iron), CV51-CS/SS (Carbon or Stainless Steel)
- Pressure Ratings: Class 150 standard, Class 300 for CV52 variants
- Sizes: 2″ to 24″
- Key Advantage: Extra outlet clearance allows direct butterfly valve installation in compact setups
These valves are commonly used on pump discharge lines where space is limited and surge control is critical.
Wafer Style for Dual Pressure Service
The CV90 and CV91 series are wafer-style center-guided valves designed for long service life with minimal maintenance. Stainless steel (CV91) and ductile iron (CV90) options cover a wide range of fluid compatibilities.
- Sizes: 2″ to 12″
- Dual Pressure Rating: Sizes 2″ through 6″ support both ASME Class 150 and 300
- Flow Optimization: Integral vanes reduce turbulence, erosion, and cavitation
This makes the CV90 and CV91 ideal for fluctuating flow systems in water treatment and HVAC applications where reliability and silent operation matter.
Threaded End Valves for Compact Systems
For smaller diameter lines, Titan offers spring-assisted threaded check valves that deliver silent shut-off in tight spaces. The lightweight, center-guided disc ensures positive shutoff prior to flow reversal.
- Model CV20-BR: Brass body, 1/4″ to 2″, rated 400 PSI WOG at 100°F
- Model CV80-SS: Stainless steel, 3/8″ to 3″, rated 720 PSI WOG at 100°F
- Operation: Closes before reverse flow begins, preventing slam
These are frequently used in instrumentation lines, chemical feed systems, and commercial plumbing where compact size and corrosion resistance are priorities.
Axial Flow Wafer Type for Non-Slam Performance
The CV92 series is designed for low-flow or variable-flow systems where backflow prevention is critical. Its diffuser-equipped design stops reverse flow from impacting the disc, ensuring smooth, non-slam closure.
- Materials: Carbon steel (CV92-CS) or stainless steel (CV92-SS)
- Sizes: 2″ to 24″
- Rating: ASME Class 150
- Key Feature: Non-return, non-slam operation
Common applications include condensate return lines, boiler feedwater, and pump bypass systems in power plants.
Insert Check Valves for Retrofit Use
The CV71-SS is a compact, spring-assisted insert valve designed for wafer-style installation in existing flanged systems. It fits between standard flanges without pipe modification.
- Size Range: 1/2″ to 6″
- Rating: ASME Class 150 and 300
- Material: Stainless steel
- Installation: Fits between standard flanges without pipe modification
This model is ideal for upgrades or retrofits where space is constrained and silent operation is required.
Dual Disc Wafer Check Valves
Titan dual disc wafer check valves offer a lightweight, cost-effective alternative to full-body swing checks. They install quickly between flanges and provide reliable, low-maintenance performance across demanding industrial environments.
Standard Wafer Dual Disc Models
The CV41 through CV47 series cover a broad pressure and material range, making them suitable for oil and gas, chemical, and power applications. All models comply with API 594 and ASME B16.34 standards.
- CV41-DI: Ductile iron, Class 150, 2″ to 24″
- CV42-CS/SS: Carbon or stainless steel, Class 150
- CV44-CS/SS: Class 300
- CV46-CS/SS: Class 600, up to 1480 PSI WOG
- CV47-CS/SS: Class 900
The CV46-CS (Model CV46CSM0400) is a standout for high-pressure service, featuring 316 SS trim and Inconel X-750 springs with an epoxy-coated finish for corrosion resistance.
Why Choose Dual Disc?
Dual disc designs deliver several performance advantages over traditional swing checks. The split-disc construction creates a positive shutoff prior to flow reversal.
- Low weight and short face-to-face length reduce installation cost
- Minimal head loss due to straight-through flow path
- Low cracking pressure improves efficiency in low-pressure systems
- Spring-assisted closure prevents slam and water hammer
These features make dual disc valves a natural replacement for outdated cast iron designs while offering superior material benefits.
Lug Type for Fugitive Emission Control
The CV42L-CS/SS is a lug-style dual disc valve designed to eliminate potential leak paths to the atmosphere. Its retainer-less body has no O-rings or seals exposed to the environment.
- Sizes: 2″ to 24″
- Design: Retainer-less body with blind tapped lugs
- Standards: Fugitive emission compliant
This model is ideal for chemical processing and refineries where environmental safety and leak prevention are critical.
Single Disc Check Valve Types
Titan single disc valves offer simple, robust designs for general-purpose and high-reliability applications. They come in threaded, socket weld, wafer, and grooved configurations.
Threaded and Socket Weld Three-Part Design
The CV88T-SS (threaded) and CV88S-SS (socket weld) are built with only three components: body, disc, and spring. This design eliminates gaskets and O-rings, reducing potential failure points.
- Sizes: 1/2″ to 3″
- Rating: ASME Class 300
- Material: All stainless steel
- Benefit: Fewer failure points for high-purity or corrosive services
These valves are used in petrochemical, pharmaceutical, and steam systems where maintenance access is limited.
Short Wafer Swing for High Reliability
The CV12-CS and CV12-SS are short wafer swing check valves with simplified construction and durable seals. They offer high quality and reliability through their straightforward design.
- CV12-CS: Carbon steel body, Buna-N seat
- CV12-SS: Stainless steel body, PTFE seat
- Rating: Class 150
- Sizes: 2″ to 24″
These are often selected for their ruggedness in water and wastewater applications.
Standard Wafer Swing with Seat Options
The CV31, CV32, and CV34 series offer flexibility in seat materials to match fluid compatibility needs. They are go-to choices for pump discharge protection in industrial plants.
- CV31-DI: Ductile iron, Buna-N seat, 2″ to 12″
- CV32-CS/SS: Carbon or stainless steel, Viton or PTFE seat
- CV34-CS/SS: Class 300 version with Viton or PTFE options
Sizes up to 24″ are available for these models upon request.
Grooved End for Fire Protection
The CV31G-UL-DI is UL-listed and designed specifically for fire sprinkler systems. It uses industry-standard AWWA C606 couplings for quick and easy installation.
- Material: Ductile iron (ASTM A536)
- Rating: 300 WOG
- Connection: Grooved end per AWWA C606
- Sizes: 2″ to 12″
- Installation: Uses standard mechanical couplings with no welding required
This allows for rapid installation in commercial and industrial fire protection systems.
Full Body Swing Check Valves
Titan full-body swing check valves represent the traditional design, ideal for large-diameter, low-pressure applications where gravity-assisted closure is sufficient. They prevent flow reversal and protect compressors, pumps, and downstream tanks.
With Weight and Lever for Fast Closure
The CV31WF-CI includes a counterweight and lever to speed up disc closure, reducing slam and reverse flow. It is a single disc, flanged valve rated ASME 125.
- Body: Cast iron
- Seat: Bronze body seat, Buna-N disc seat
- Size Range: 2″ to 12″
- Rating: ASME Class 125
Used in raw water intake, cooling towers, and pump bypass lines where fast closure is needed but space is not constrained.
Standard Full Body Without Lever
The CV31F-CI is the basic flanged swing check without a weight assembly. It relies on gravity and flow reversal to close, making it best for low-velocity systems where slam risk is minimal.
- Same specs as CV31WF-CI, but relies on gravity and flow reversal to close
- Best for: Municipal water systems and low-pressure transfer lines
Commonly used in applications where isolation between high-pressure and low-pressure systems is required.
Hydraulic Performance and System Benefits
Titan check valves are engineered not just to stop backflow, but to do so efficiently and quietly. They protect pumps, pipes, and personnel from the damaging effects of reverse flow.
Silent Shut-Off Near Zero Flow
Most Titan models close before reverse flow begins, thanks to spring-assist mechanisms that activate near zero flow velocity. This prevents water hammer, pressure surges, and pipe stress.
- Water hammer reduction
- Pressure surge elimination
- Pipe stress and joint failure prevention
Center-guided and dual disc models are especially effective in this regard.
Low Cracking Pressure for Energy Efficiency
Many Titan valves open at very low differential pressures, sometimes just a few psi. This reduces pump energy requirements and improves system responsiveness.
- Reduces pump energy requirements
- Improves system responsiveness
- Enhances performance in low-head systems
Dual disc and wafer swing types excel here due to their lightweight disc design.
Minimal Head Loss Design
The straight-through flow path in wafer and dual disc models generates very little turbulence. This results in lower head loss compared to traditional swing checks.
This improves overall system efficiency and reduces operating costs over time.
Material and Compliance Standards
Titan valves are built to meet or exceed industry standards for safety, durability, and performance. Material selection plays a critical role in fluid compatibility and service life.
Body Material Options
Titan offers a range of body materials to match different fluid types and pressure requirements.
- Ductile Iron (DI): ASTM A536, high strength, corrosion-resistant alternative to cast iron
- Carbon Steel (CS): ASTM A216 WCB, for high-temperature and high-pressure service
- Stainless Steel (SS): Corrosion resistance for chemical, food, and marine applications
- Brass: For low-pressure, non-corrosive water and air lines
Seat and Trim Materials
Seat and trim materials determine chemical compatibility and temperature limits. Choose based on your fluid type and operating conditions.
- Buna-N: General-purpose elastomer, good for water and oils
- Viton: High-temperature, chemical-resistant
- PTFE: Inert, excellent for aggressive chemicals
- Bronze and Stainless Steel: Metal-to-metal sealing for high-temp or abrasive services
Industry Standards Met
Titan valves adhere to rigorous industry standards ensuring performance and safety across applications.
- API 594: Check valve design and dimensions
- API 598: Factory testing and leak standards
- API 6D: Pipeline valve requirements
- ASME B16.34: Pressure-temperature ratings
- AWWA C606: Grooved coupling compatibility
- FM and UL: Fire protection approvals for CV31G-UL
Applications by Industry
Titan check valves serve critical roles across multiple sectors. Selecting the right model depends on fluid type, pressure requirements, and environmental conditions.
Water and Wastewater Treatment
Water and wastewater systems require silent operation and corrosion resistance. Lift stations and filter backwash lines benefit from specific Titan models.
- Preferred Models: CV90, CV41-DI, CV31G-UL
- Use Case: Pump discharge protection, lift stations, filter backwash lines
- Why: Silent operation, corrosion resistance, AWWA compliance
Oil, Gas, and Petrochemical
High-pressure ratings and fugitive emission design make certain Titan models ideal for hydrocarbon service. Pipeline injection and compressor protection require reliable backflow prevention.
- Preferred Models: CV46-CS, CV42L, CV88S
- Use Case: Pipeline injection, compressor protection, chemical transfer
- Why: High-pressure ratings, fugitive emission design, API compliance
Power Generation
Power plants need non-slam performance and low cavitation for feedwater and condensate systems. Axial flow designs excel in these critical applications.
- Preferred Models: CV92, CV50, CV44
- Use Case: Feedwater, condensate return, cooling water
- Why: Non-slam, low cavitation, axial flow design
Pulp and Paper
Pulp and paper facilities require corrosion-resistant trim and low maintenance. Stock and chemical handling systems benefit from specific Titan models.
- Preferred Models: CV41, CV32
- Use Case: Stock and chemical handling
- Why: Corrosion-resistant trim, low maintenance
Fire Protection
Fire protection systems require UL-listed components with rapid installation capabilities. Grooved-end designs speed up deployment in commercial and industrial settings.
- Preferred Model: CV31G-UL-DI
- Use Case: Fire pump discharge, riser lines
- Why: UL-listed, grooved ends for fast install, 300 WOG rating
Installation and Maintenance Tips
Proper installation and maintenance extend valve life and ensure reliable performance. Follow these guidelines to maximize your investment in titan check valve types.
Space-Saving Wafer Designs
Wafer and dual disc valves fit directly between flanges, eliminating the need for long pipe spools. This saves space and reduces installation time.
Pro Tip: Always use alignment pins during installation to prevent gasket damage.
Grooved Coupling Advantages
For fire protection and retrofit projects, grooved-end valves like the CV31G allow tool-free assembly with AWWA C606 couplings. This can cut installation time by up to 50%.
Maintenance Considerations
Different valve types require different maintenance schedules. Follow manufacturer guidelines for optimal performance.
- Center-guided valves: Inspect straightening vanes periodically for debris buildup
- Dual disc valves: Check spring tension annually in high-cycle systems
- Full body swing checks: Lubricate hinge pins every 12 to 18 months
- All models: Follow Titan’s IOM manuals for disassembly and reassembly
Valves with fewer parts, such as the CV88 series, require less maintenance and have higher mean time between failures.
Frequently Asked Questions About Titan Check Valve Types
What are the main titan check valve types available?
Titan offers four main categories: center-guided silent check valves (CV20, CV50, CV90, CV92), dual disc wafer valves (CV41 through CV47), single disc valves (CV12, CV31, CV88), and full-body swing checks (CV31F, CV31WF). Each type is engineered for specific pressure ratings, fluid types, and installation requirements.
Which titan check valve type is best for preventing water hammer?
Center-guided and dual disc models are most effective at preventing water hammer. They use spring-assist mechanisms to close near zero flow velocity, achieving silent shut-off before reverse flow begins. The CV50, CV90, and CV46 series are particularly strong choices for surge-sensitive systems.
What is the difference between wafer and lug style check valves?
Wafer style valves fit between flanges and are held in place by bolt tension between adjacent flanges. Lug style valves (like CV42L) have threaded lugs that allow them to be installed at the end of a line without needing both flanges. Lug designs also offer retainer-less bodies for fugitive emission control.
Can titan check valves be used for fire protection systems?
Yes, the CV31G-UL-DI is specifically designed for fire protection applications. It is UL-listed, features grooved ends compatible with AWWA C606 couplings, and is rated for 300 WOG service. This model allows for rapid installation in commercial and industrial fire sprinkler systems.
What pressure classes are available for titan dual disc check valves?
Titan dual disc wafer valves cover a wide pressure range. The CV41 and CV42 are Class 150, CV44 is Class 300, CV46 is Class 600 (up to 1480 PSI WOG), and CV47 is Class 900. This range makes them suitable for everything from water service to high-pressure oil and gas applications.
How do I choose between ductile iron and stainless steel check valves?
Choose ductile iron (ASTM A536) for general water, air, and low-corrosion applications where cost efficiency matters. Select stainless steel for corrosive fluids, chemical processing, food service, marine environments, or high-purity applications. Carbon steel (ASTM A216 WCB) works well for high-temperature and high-pressure service.
Key Takeaways for Selecting Titan Check Valve Types
Titan check valve types offer unmatched versatility across industrial applications. Center-guided models deliver silent shut-off and surge protection for sensitive systems. Dual disc wafer valves provide lightweight, space-saving solutions with API 594 compliance for oil and gas service. Single disc designs offer
