1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of your CERTEON Stainless Steel One-Piece Ball Valve. Please read this manual thoroughly before use and retain it for future reference.
This stainless steel one-piece ball valve is designed for reliable shut-off control in water and general fluid systems. Featuring a full port design and quarter-turn lever handle, it enables low flow resistance and fast operation. The valve is available in 304 or 316L stainless steel and is suitable for residential plumbing and light industrial applications. The blow-out-proof stem enhances operational safety and structural integrity.

2. Specifications
The CERTEON Stainless Steel One-Piece Ball Valve offers robust performance for various fluid control applications. Key specifications are detailed below:
| Parameter | Value |
|---|---|
| Product Name | Stainless Steel One-Piece Ball Valve |
| Material | Stainless Steel (304 or 316L optional) |
| Structure | One-piece body, full port design |
| Nominal Diameter | DN8, DN10, DN15, DN20, DN25, DN32, DN40, DN50 |
| Thread Type | BSP or NPT female thread (G1/4, G3/8, G1/2, G3/4, G1, G1-1/4, G1-1/2, G2) |
| Working Pressure | 1.6 MPa (Normal Pressure) |
| Working Temperature | Up to 150°C (Room Temperature) |
| Applicable Medium | Water and non-corrosive fluids compatible with stainless steel |
| Handle Type | Lever handle, 90° quarter-turn operation |
| Stem Design | Blow-out-proof stem |
| Installation Type | Threaded Connection |
| Package Contents | Ball valve x1 |
| Package Dimensions (L x W x H) | 28 cm x 16 cm x 8 cm |
| Package Weight | 0.9 kg |

3. Key Features
- Quick 90° On/Off Switch: Enables fast and effortless operation with a simple quarter turn of the lever handle.
- Precision Threading: CNC-machined threads ensure a tight, leak-proof connection, crucial for reliable fluid control.
- Corrosion-Resistant Ball Core: Made from high-quality stainless steel, the internal ball resists rust and chemical damage, ensuring longevity.
- Durable Stainless Steel Body: Constructed with premium stainless steel for long-term performance and reliability in various environments.
- Full Port Design: Minimizes pressure drop and allows for maximum flow capacity.
- Blow-Out-Proof Stem: Enhances operational safety by preventing the stem from being ejected under pressure.



4. Installation Instructions
4.1. Preparation
- Ensure the pipeline system is completely depressurized and drained before beginning installation.
- Clean the pipeline ends thoroughly to remove any debris, dirt, or old sealant.
- Verify that the thread specification of the valve matches the pipeline connection standard (e.g., NPT, BSP).
- Apply appropriate thread sealant or PTFE tape to the male pipe threads to ensure a leak-proof connection.
4.2. Installation and Operation
- Carefully screw the valve onto the pipeline using suitable tools. Avoid applying excessive torque, which can damage the threads or the valve body.
- If the valve or pipeline has a marked flow direction, ensure the valve is installed correctly to match the intended flow.
- The valve operates with a 90-degree quarter-turn of the lever handle.
- When the handle is parallel to the pipeline, the valve is in the fully OPEN position.
- When the handle is perpendicular to the pipeline, the valve is in the fully CLOSED position.
- After installation, gradually pressurize the system and carefully inspect all threaded connections for any signs of leakage.
- Confirm smooth movement of the handle and proper shut-off performance by cycling the valve through its open and closed positions.
5. Precautions and Safety Warnings
- Ensure that the working pressure and temperature of the system do not exceed the rated limits of 1.6 MPa and 150°C.
- Use this valve only with media compatible with stainless steel 304 or 316L. Incompatible fluids may cause corrosion or damage.
- Avoid sudden pressure surges, which can damage internal sealing components and lead to premature failure.
- Do not use this valve as a throttling valve for prolonged partial-open operation unless explicitly confirmed suitable by the seller for such applications. Ball valves are primarily designed for full open or full closed service.
- Always wear appropriate personal protective equipment (PPE), such as gloves and eye protection, during installation, operation, and maintenance.
- Before installation or removal, ensure the system is completely depressurized to prevent injury.
- High temperature fluids may cause burns. Allow the system to cool before handling the valve.
- Keep out of reach of children.
EU Market Reference Warning:
This valve is intended for fluid control applications only. Do not use for gases or hazardous media unless specifically verified by the seller. Proper disposal: Follow WEEE directives for electronic waste if applicable. Metal components should be disposed of in accordance with local recycling regulations. Note: The above warning information is for reference only. Final warning language must comply with the official language requirements of the destination EU country.
6. Storage and Maintenance
6.1. Storage
- Store the valve in a dry and well-ventilated environment to prevent surface contamination and corrosion.
- Keep protective caps on threaded ends before installation or during storage to prevent damage and ingress of foreign particles.
6.2. Maintenance
- Periodically inspect the valve for any signs of external corrosion, leakage at connections, or looseness of the handle.
- Clean external surfaces with a soft, damp cloth. Do not use aggressive chemical cleaners, as these may damage the valve's finish or material.
- For long-term shutdown or storage within a system, ensure the valve is clean and fully closed to protect internal components.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Leakage at threaded connections | Improper thread sealant, insufficient torque, damaged threads. | Depressurize system, reapply thread sealant/PTFE tape, ensure proper torque. Inspect threads for damage and replace if necessary. |
| Handle difficult to turn or stuck | Debris in valve, corrosion, excessive system pressure. | Depressurize system, flush pipeline. Inspect for internal debris or corrosion. Ensure system pressure is within limits. |
| Valve not fully closing/opening | Internal obstruction, damaged ball/seat. | Depressurize system, inspect for obstructions. If internal components are damaged, valve replacement may be necessary. |
| Corrosion on valve body | Exposure to incompatible media, harsh environment, surface damage. | Verify media compatibility. Clean regularly with a soft cloth. Consider protective coatings for harsh environments. |
8. User Tips
- For optimal performance and longevity, always ensure the valve is either fully open or fully closed. Avoid leaving it in a partially open position for extended periods.
- When installing, use a pipe wrench on the hex flats closest to the pipe connection to avoid stressing the valve body.
- Consider installing unions on either side of the ball valve to facilitate easier removal and replacement for maintenance or system modifications.
9. Frequently Asked Questions (FAQ)
- Q1: What are the most common types of stainless steel?
- 201 Stainless Steel – Suitable for dry environments; rusts easily when exposed to water.
- 304 Stainless Steel – Strong corrosion resistance in outdoor or humid environments.
- 316 Stainless Steel – Contains molybdenum; superior corrosion and pitting resistance, ideal for seawater and chemical media.
- Q2: How to identify genuine 304 stainless steel products?
- Use dedicated 304 testing solution; no color change means it's genuine.
- Conduct chemical composition and spectroscopic analysis.
- Perform mold test to simulate actual usage environment.
- Q3: Why can stainless steel also be magnetic?
- 304 stainless steel is austenitic and inherently non-magnetic. Cold working may convert some into martensite, which is magnetic, so it may be non-magnetic or slightly magnetic.
- Q4: Is this valve suitable for hot water systems?
- This valve is designed for room temperature and normal pressure water systems. For high-temperature applications, please consider a heat-resistant version or consult the seller.
- Q5: What is the thread specification?
- The valve features standard metric threads, CNC-machined for high precision and a secure seal. Refer to the specifications section for available sizes (DN8-DN50 and G1/4-G2).
- Q6: Can it be installed vertically or horizontally?
- Yes, the valve supports both vertical and horizontal installation, provided proper support is given to the piping system.


10. Warranty and Support
For technical assistance, product inquiries, or warranty claims, please contact the manufacturer directly using the information below. Please have your product model and purchase details ready.
- Manufacturer: SHANGHAI CHIKONG AUTOMATION INSTRUMENT CO., LTD
- WhatsApp: +86 19542723588
- Email: celiachen008@gmail.com

A user manual in PDF format is also available for download: View User Manual (PDF)
11. Manufacturer Information
CERTEON is a brand of SHANGHAI CHIKONG AUTOMATION INSTRUMENT CO., LTD, specializing in industrial automation and instrumentation. The company emphasizes precision, innovation, and trust in its manufacturing processes.


12. Compliance Disclaimer
This document is provided for product instruction purposes only. It does not constitute legal advice. The seller is responsible for ensuring compliance with destination market regulations.