QSL3T-3 3PCS Ball Valve Socket-Welding

The three-piece low-temperature socket welding ball valve belongs to the three-piece low-temperature ball valve series. The valve body is composed of three sections. The two ends are socket welding connection surfaces. After special low-temperature treatment, the temperature resistance is -50 degrees and the pressure resistance can reach 7.0. MPA.

Engineering pressure: 7.0MPA 1000WOG

Operating temperature: -50 degrees to 230 degrees

QSL3T-3 3PC Ball Valve Socket-Welding Dimensions

SIZE	L	W	H
1/2"	73	105	54
3/4"	82	105	63
1"	90	125	63
1-1/4"	112	140	84.5
1-1/2"	120	162	93
2"	146	162	101.5
2-1/2"	177	215	120
3"	205	224	125
4"	265	251	180

3PC Ball Valve Socket-Welding VS Butt-welding

1. Material:

Both material of 3 pc ball valve socket-welding and butt-welding ball valve can be CF8,CF8M,CF3M.

2. Pressure:

Both pressure of 3 pc ball valve socket-welding and butt-welding can be 200WOG, 800WOG, 1000WOG, 1500WOG, 2000WOG

3. Range of Applications (Difference):

Stardard: ANSI, BS, DIN (similarity)

Sealing Material: PTFE, R-PTFE (similarity)

Connection type:Socket-Welding end

4. Installation (Difference):

3PC ball valve socket-welding is to extend the pipe into the valve body for welding, the strength of welding seam, stress state is better than socket welding type.

QSL3T-3 3PC Ball Valve Socket-Welding FAQs

Q What Are The Advantages Of Ball Valves?

Ball valves are generally the least expensive of any valve configuration and have low maintenance costs. In addition to quick, quarter turn on-off operation, ball valves are compact, require no lubrication, and give tight sealing with low torque.

Q What Are The Disadvantages Of Ball Valves?

Conventional ball valves have relatively poor throttling characteristics. In a throttling position, the partially exposed seat rapidly erodes because of the impingement of high velocity flow.

Why Should You Choose a 3pcs ball valve for Industrial Low-Temperature Applications?

Selecting the right valve for industrial applications requires careful consideration of both performance and safety. A 3pcs ball valve offers a unique advantage over traditional single-piece valves because of its modular ball valve 3 pcs body design. This design consists of three precisely engineered components that allow for easy maintenance without shutting down the entire system. When industries operate in low-temperature environments, conventional valves may suffer from brittleness or leakage, but the specially treated low-temperature 3 pcs ball valve can withstand extreme conditions as low as -50°C, providing reliability in cold climate operations. Procurement professionals often ask how a valve can simultaneously manage high pressure and low temperatures. Our 3pcs ball valve has a certified engineering pressure rating of 7.0 MPA (1000 WOG), making it ideal for chemical plants, oil and gas pipelines, and cryogenic systems. The ball valve 3 pcs body ensures uniform stress distribution, preventing deformation under high-pressure conditions. This feature not only enhances operational safety but also extends the lifespan of the valve, reducing replacement frequency and maintenance costs. Another concern for buyers is operational efficiency. A 3 pcs ball valve is designed for minimal torque operation, meaning operators can open and close the valve smoothly even in extreme temperatures. The socket welding ends provide a secure connection that reduces the likelihood of leaks while maintaining system integrity. This makes it an excellent choice for critical applications in petrochemical, HVAC, and food processing industries where safety and reliability cannot be compromised. Maintenance convenience is another reason why procurement teams prefer the 3pcs ball valve. The three-piece construction allows technicians to remove and replace the central ball or seals without disturbing the pipeline, significantly reducing downtime. Additionally, the ball valve 3 pcs body can be customized with different materials and coatings depending on the chemical composition of the medium, further improving its versatility. For example, stainless steel construction ensures corrosion resistance for chemical and seawater applications, while carbon steel variants handle high-pressure steam systems effectively. Environmental and safety compliance is also a critical factor in Western markets. The low-temperature socket welding 3pcs ball valve meets international standards, ensuring that industrial systems maintain integrity even under stringent safety regulations. This guarantees that facilities can operate without compromising workplace safety or environmental requirements. When considering procurement strategy, cost-efficiency is a decisive factor. While a high-quality 3pcs ball valve may have a higher upfront cost compared to standard two-piece valves, its durability, easy maintenance, and operational efficiency make it a more economical choice in the long term. Less frequent replacements, fewer leak incidents, and reduced labor for maintenance contribute to a lower total cost of ownership. Ningjin Thriveon Valve Co., Ltd. specializes in producing industrial-grade 3 pcs ball valve products suitable for diverse applications worldwide. With experienced engineers providing prompt technical support and customization services, clients can ensure that each valve is tailored to specific operational requirements. If you are looking to invest in a reliable, durable, and highly functional valve, visiting our website and selecting your 3pcs ball valve from our catalog ensures you get a product that delivers performance and peace of mind.

How Does a 3 pcs ball valve Simplify Industrial Maintenance?

In industries where downtime directly impacts productivity and revenue, choosing a valve that is easy to maintain is critical. A 3 pcs ball valve provides a distinct advantage with its modular ball valve 3 pcs body design, allowing maintenance teams to access the internal components without dismantling the entire pipeline. Unlike one-piece valves, where seal replacement requires complete system shutdown, the three-piece configuration reduces labor costs and operational interruption. The design of a 3pcs ball valve allows engineers to remove the central ball and seats effortlessly. This feature is particularly valuable in chemical processing plants, water treatment facilities, and oil & gas pipelines, where maintenance frequency is high due to exposure to harsh chemicals or abrasive fluids. The ability to maintain the valve without cutting pipes enhances workflow efficiency and ensures consistent system performance. Durability is another major consideration. Our 3pcs ball valve is constructed to endure pressures up to 7.0 MPA (1000 WOG) and operate at temperatures ranging from -50°C to 230°C. The ball valve 3 pcs body ensures that the stress of repeated maintenance cycles does not compromise valve integrity, meaning fewer replacements over time and lower total cost of ownership. Procurement teams also benefit from reduced downtime risk. By selecting a 3pcs ball valve, operations gain the flexibility to replace worn parts without scheduling lengthy maintenance outages. Combined with socket welding ends that provide leak-proof connections, this valve offers both safety and reliability. The versatility of the 3 pcs ball valve extends to material options. Stainless steel variants resist corrosion in chemical and seawater environments, while carbon steel models handle high-temperature steam and oil systems effectively. The adaptability of the ball valve 3 pcs body ensures that this valve can meet the requirements of multiple industries without the need for multiple valve types. Choosing a 3pcs ball valve from Ningjin Thriveon Valve Co., Ltd. guarantees professional-grade engineering and prompt technical support. Our engineers provide tailored recommendations for maintenance scheduling, installation practices, and part replacement, ensuring long-term performance and peace of mind. Investing in a 3 pcs ball valve is a strategic decision for procurement teams who value efficiency, safety, and durability. This valve delivers exceptional functionality in demanding industrial environments, making it a reliable solution for any pipeline system. Visit our website today to explore our extensive catalog and select the 3pcs ball valve that suits your operations.

How Does a 3 pcs ball valve Perform in Cryogenic Operations?

Cryogenic systems require valves that maintain function at extremely low temperatures. The 3pcs ball valve, featuring a ball valve 3 pcs body, is specifically engineered to withstand conditions as low as -50°C, ensuring reliable performance in LNG plants, cold storage systems, and cryogenic chemical processing. The three-piece design allows for easy maintenance even under harsh operating conditions. Technicians can replace the central ball or seals without dismantling the entire pipeline, reducing system downtime. Socket welding ends provide leak-proof connections, critical in cryogenic applications where fluid loss or gas leakage can be hazardous. Durability under pressure is essential in low-temperature systems. With an engineering pressure rating of 7.0 MPA (1000 WOG), the 3pcs ball valve ensures stable operation despite thermal contraction or expansion. The ball valve 3 pcs body design distributes mechanical stress evenly, minimizing the risk of cracking or leakage over repeated thermal cycles. Operational efficiency is also optimized. The valve’s low torque operation ensures that opening and closing remains smooth, even at extremely low temperatures. This is especially important for cryogenic fluid transfer, where precise control is critical. Material options such as stainless steel or specialized alloys further enhance corrosion resistance and mechanical stability. For procurement teams, the long-term benefits are clear: reduced downtime, extended valve lifespan, and operational safety. Ningjin Thriveon Valve Co., Ltd. delivers high-quality 3 pcs ball valve products with global export experience and expert technical support, ensuring that cryogenic systems operate efficiently and safely. Visit our website to select a 3pcs ball valve tailored for your low-temperature applications.