Guangzhou Guanwo Valve Manufacturing Co., Ltd., Professional Valve Manufacturer
Specializing in butterfly valves, ball valves, gate valves, safety valves, check valves, globe valves, solenoid valves, control valves, hydraulic control valves and other valve product series, supporting non-standard customization and engineering supply.
Guangzhou Guanwo Valve Manufacturing Co., Ltd.
A professional valve manufacturing company integrating processing, assembly, sales, and service, with a multi-level, multi-channel, and multi-variety supply and marketing network system. The company follows the policy of 'Seeking development through technology, creating brands through quality' and establishes a modern management model and diversified production pattern.
Product Center
Five product lines to comprehensively meet industry needs
Covering gate valves, ball valves, butterfly valves, check valves and more. View engineering cases for real-world applications.
Service Areas
Specializing in valves, pumps, instruments, and hardware fittings, serving municipal, petroleum, chemical, power, energy, and medical industries
Professional Engineering Valve Solutions
Customized Valve Solutions for Various Industrial Scenarios
Quality Assurance & Production Process
Strict quality control system, from raw material selection to finished product delivery, ensuring every valve meets industrial standards.
Quality Management System
ISO 9001 certified quality management system, covering the entire process from raw material procurement to finished product delivery.
- Supplier qualification review
- Incoming material inspection
- Process quality control
- Finished product testing
Material Testing
Equipped with spectrometer, hardness tester, and other testing equipment to ensure material composition and mechanical properties meet standards.
- Chemical composition analysis
- Mechanical property testing
- Metallographic examination
- Non-destructive testing
Performance Testing
Professional valve performance testing platform, conducting pressure tests, sealing tests, and life tests for each product.
- Hydrostatic pressure test
- Air tightness test
- Torque testing
- Fatigue life test
Production Process
Standardized production process from casting, machining, assembly to painting, with strict control at each step.
- Casting process control
- CNC precision machining
- Assembly process standards
- Surface treatment technology
Certification Standards
Products comply with GB, API, ANSI, DIN, JIS and other international standards, obtaining multiple authoritative certifications.
- GB/T national standards
- API American Petroleum Institute
- CE European certification
- ISO international standards
Quality Assurance
Complete quality traceability system, providing quality guarantee and after-sales service for each product.
- Product traceability management
- Quality warranty service
- Technical support consultation
- After-sales maintenance guidance
Product Technical Parameters
Butterfly Valve
Pressure: PN10-PN40 | Temp: -29°C to 200°C | Material: WCB, CF8, CF8M
Ball Valve
Pressure: PN16-PN64 | Temp: -40°C to 200°C | Material: WCB, SS304, SS316
Gate Valve
Pressure: PN10-PN420 | Temp: -29°C to 425°C | Material: WCB, WC6, WC9
Globe Valve
Pressure: PN16-PN420 | Temp: -29°C to 450°C | Material: WCB, CF8, CF8M
Check Valve
Pressure: PN10-PN420 | Temp: -29°C to 450°C | Material: WCB, SS304, SS316
Safety Valve
Pressure: PN16-PN420 | Temp: -29°C to 200°C | Material: WCB, SS304
* The above parameters are for reference only. For specific product parameters, please refer to the product specification sheet., or learn about our quality system.
Case Studies
Practical cases, witnessing quality and strength.
News
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