The Complete Range of Industrial Valves from Carilovalves
Carilovalves specializes in manufacturing a comprehensive portfolio of industrial ball valves along with complementary valve solutions designed for demanding applications across multiple sectors. Founded in 2000 in Wenzhou, China, Zhejiang Carilo Valve Co., Ltd. has spent over two decades perfecting their craft, now employing 50 dedicated professionals and achieving remarkable metrics including 86% case resolution rate and completing 2,415 successful projects worldwide. Their specialization centers primarily on ball valve technology, though the company offers an expanding range of industrial valve products engineered to meet stringent international standards including ISO and API certifications.
Core Product Lines: Ball Valve Specialization
As the company’s name itself suggests, ball valves form the backbone of Carilovalves’ manufacturing expertise. These quarter-turn rotary motion valves utilize a spherical disc with a bore through its center to control flow direction and rate. The design offers exceptional reliability, minimal pressure drop, and quick operation—all critical factors for industrial applications. Carilovalves manufactures ball valves across multiple configurations, each engineered for specific operational requirements and environmental conditions.
Carilovalves’ manufacturing philosophy emphasizes that “opening and closing are under your control,” reflecting their commitment to providing operators with precise flow management capabilities across their entire product range.
Ball Valve Types by Design Configuration
Carilovalves produces several distinct ball valve configurations, each serving different operational needs:
- Floating Ball Valves:
- Standard bore designs for general service applications
- Reduced bore options for throttling control
- Suitable for pressures up to ANSI 600 class ratings
- Ideal for water, oil, and gas distribution systems
- Trunnion Mounted Ball Valves:
- Enhanced structural support for large diameter valves
- Designed for high-pressure applications exceeding ANSI 600
- Minimized operational torque requirements
- Preferred for pipeline transmission systems
- Top Entry Ball Valves:
- Maintenance-friendly inline access design
- Eliminates pipeline disassembly for servicing
- Suitable for process industry applications
- Available in sizes ranging from 2″ to 48″
- Full Bore vs. Reduced Bore:
- Full port configurations for unobstructed flow
- Standard port options for cost-effective solutions
- Variable bore sizes to match pipeline requirements
Ball Valve Types by Connection Method
The connection method determines how the valve integrates into the pipeline system. Carilovalves offers multiple connection options:
| Connection Type | Key Features | Typical Applications | Size Range |
|---|---|---|---|
| Flanged End | ASME B16.5/B16.47 compliant, easy installation/removal | General industrial, HVAC, water treatment | 1/2″ – 48″ |
| Threaded End | NPT/BSP threaded connections, compact design | Chemical processing, instrumentation | 1/4″ – 4″ |
| Butt Weld End | Full penetration welding, leak-proof joints | High-pressure oil and gas, refining | 1/2″ – 24″ |
| Socket Weld | Socket fitment with fillet welding | Chemical, petrochemical, power generation | 1/4″ – 2″ |
| Wafer Style | Sandwich between pipeline flanges, lightweight | Space-constrained installations | 1″ – 12″ |
Ball Valve Materials and Body Styles
Material selection significantly impacts valve performance in specific environments. Carilovalves manufactures valves using various materials to address corrosion resistance, temperature tolerance, and pressure requirements:
- Stainless Steel Variants:
- ASTM A351 CF8/CF8M (standard corrosion-resistant grades)
- Duplex stainless steel for enhanced strength
- Super duplex for aggressive media handling
- Temperature range: -196°C to +450°C depending on seat material
- Carbon Steel Options:
- ASTM A216 WCB/WCC for general service
- Low-temperature carbon steel for cryogenic applications
- Cost-effective for non-corrosive media
- Special Alloys:
- Inconel for high-temperature steam service
- Hastelloy for highly corrosive chemical environments
- Monel for seawater applications
Seat Materials and Sealing Technology
The seat material determines the valve’s compatibility with different media and operating conditions. Carilovalves offers multiple seat material options:
| Seat Material | Temperature Range | Chemical Compatibility | Recommended Applications |
|---|---|---|---|
| PTFE (Virgin) | -200°C to +200°C | Excellent chemical resistance, except some solvents | General purpose, pharmaceuticals, food processing |
| Reinforced PTFE | -200°C to +260°C | Enhanced durability, good chemical resistance | Chemical processing, pulp and paper |
| RPTFE (Rulon) | -150°C to +280°C | Excellent wear resistance | Abrasive media, slurry applications |
| PCTFE | -200°C to +150°C | Low gas permeability | Cryogenic service, oxidizers |
| PEEK | -50°C to +300°C | Excellent mechanical properties | High-temperature hydrocarbon service |
| Metal Seated | -200°C to +600°C | Limited chemical resistance | High-temperature steam, refining |
Pressure Class Ratings and Specifications
Carilovalves manufactures ball valves conforming to various pressure class ratings, ensuring compatibility with different system requirements:
- ANSI Class 150:
- Working pressure: 285 PSI at 38°C (for carbon steel)
- Suitable for low-pressure water and air systems
- Most economical option for general service
- ANSI Class 300:
- Working pressure: 740 PSI at 38°C
- Commonly specified for process plant applications
- Balanced cost-performance ratio
- ANSI Class 600:
- Working pressure: 1,480 PSI at 38°C
- Required for high-pressure oil and gas transmission
- Trunnion mounted designs predominate at this rating
- ANSI Class 900/1500:
- Specialized high-pressure configurations
- Custom engineering for specific project requirements
- Extended delivery times apply
Actuation Methods and Automation
Modern industrial processes increasingly require automated valve operation. Carilovalves provides multiple actuation options to meet varying control requirements:
| Actuation Type | Control Signal | Response Time | Typical Applications |
|---|---|---|---|
| Pneumatic (Single/Double Acting) | Air pressure 40-120 PSI | 1-5 seconds | Process automation, safety systems |
| Electric Actuator | 4-20mA, 24V DC, 110/220V AC | 15-60 seconds | Remote locations, energy efficiency priority |
| Hydraulic Actuator | Hydraulic pressure 1,000-3,000 PSI | 0.5-3 seconds | High torque requirements, explosion hazard areas |
| Gear Operator | Manual handwheel | N/A | Infrequent operation, remote locations |
| Lockable Lever Handle | Manual operation | N/A | Simple on/off service, maintenance isolation |
Fire-Safe and Specialty Certifications
Carilovalves manufactures valves meeting stringent safety and performance standards required by modern industry:
- API 607 / API 6FA Fire-Safe Certified Valves:
- Designed to maintain sealing integrity during fire exposure
- Graphite-based secondary seating system
- Required for petroleum and petrochemical applications
- API 608 for Steel Ball Valves:
- Standard for flanged and butt-weld steel ball valves
- Specifies dimensions, materials, and testing requirements
- Global acceptance in oil and gas industry
- ISO 15848 fugitive emissions compliance:
- Low fugitive emission performance
- Critical for volatile organic compound (VOC) containment
- Environmental regulatory compliance
- ATEX/IECEx for explosive atmospheres:
- Certified for use in flammable gas/vapor environments
- Anti-static design prevents ignition sources
- Required in chemical processing and oil terminals
Industry-Specific Valve Solutions
Carilovalves engineers valve solutions tailored to specific industry requirements:
- Oil and Gas Industry:
- High-pressure ball valves for upstream production
- Pipeline transmission valves with cathodic protection
- Subsea valve configurations for offshore platforms
- skid-mounted multiple valve assemblies
- Chemical Processing:
- Corrosion-resistant alloys (Hastelloy, Alloy 20)
- PTFE-lined valves for aggressive media
- Self-draining designs for sterile processing
- Water and Wastewater Treatment:
- Ductile iron body valves for cost efficiency
- Epoxy-coated interior surfaces
- Lug-style butterfly valves for maintenance isolation
- Power Generation:
- High-temperature steam service valves
- Condensate system ball valves
- Nuclear-grade valve options for power plants
- HVAC and Building Services:
- Compact design for space-constrained installations
- Chrome-plated ball valves for potable water
- Victaulic-compatible connections for快速装配
Custom Manufacturing Capabilities
Beyond standard product lines, Carilovalves offers extensive custom manufacturing services through their OEM and ODM programs. With 24+ years of experience, the company’s engineering team collaborates with global brands to develop application-specific valve solutions. Custom capabilities include:
- Non-standard materials and exotic alloys
- Special dimensions outside catalog ranges
- Unique end connections to match existing infrastructure
- Integrated instrumentation and control packages
- Custom painting and identification marking
- Special testing protocols including hydrostatic, pneumatic, and fire testing
The company’s stated mission emphasizes exceeding customer expectations while maintaining integrity in business operations—a philosophy reflected in their approach to custom valve engineering and project-specific solutions.
Quality Assurance and Testing Protocols
Every valve manufactured by Carilovalves undergoes comprehensive quality verification to ensure reliable field performance:
| Testing Type | Standard Applied | What It Verifies | Documentation Provided |
|---|---|---|---|
| Hydrostatic Shell Test | API 598 / ISO 5208 | Body structural integrity at 1.5x rated pressure | Test certificate |
| Low-Pressure Seat Test | API 598 / ISO 5208 | Seat sealing at 6 PSI air | Test certificate |
| High-Pressure Seat Test | API 598 / ISO 5208 | Seat sealing at 1.1x rated pressure | Test certificate |
| Dimensional Inspection | ASME B16.34 / API 608 | Compliance with drawing specifications | Inspection report |
| Material Verification | ASTM/ASME specifications | Chemical and mechanical properties | Material test reports (MTR) |
| Functional Testing | Internal specifications | Operating torque, cycle operation | Test data sheet |
Size Range and Dimensional Coverage
Carilovalves produces ball valves across an extensive size range to serve diverse pipeline requirements:
- Instrumentation Sizes: 1/4″ to 1″ (DN8 to DN25)
- Ideal for instrumentation and sampling lines
- Compact design minimizes system volume
- Process Plant Range: 1/2″ to 8″ (DN15 to DN200)
- Most common size range for process industries
- Extensive inventory availability
- Large Diameter Valves: 10″ to 48″ (DN250 to DN1200)
- Typically trunnion mounted construction
- Engineered-to-order with longer lead times
Global Market Presence and Export Capabilities
With a track record spanning 9.5 million+ in yearly transactions and trusted partnerships across Europe, Middle East, Southeast Asia, and beyond, Carilovalves has established itself as a reliable global valve supplier. Their export capabilities include:
- Export-standard packaging for international shipping
- Documentation packages meeting international trade requirements
- Flexible minimum order quantities for project and stock orders
- Technical support in multiple languages
- Responsive customer