QSL2T-4 2PCS Ball Valve

The ball valve is composed of a valve body and a bonnet. It is called a two-piece type. The one-piece type is an integrated structure. The two-piece ball valve has improved the one-piece valve with less flow and is easy to leak. The gland is added to prevent leakage.

Nominal pressure: 1.6-6.4MPa

Applicable temperature range: -20~232℃~350℃

Applicable medium: water, oil, gas and some corrosive liquids (W, O, G)

Thread type: G·NPT.BSPT.BSP.DIN259/2999

QSL2T-4 2PC Ball Valve Dimensions

SIZE	d	L	H	E
1/4"	12	55	50	100
3/8"	12	55	50	100
1/2"	15	55	52	100
3/4"	20	62	60	120
1"	25	72	70	140
1-1/4"	32	85	75	140
1-1/2"	40	95	87	180
2"	50	105	97	180
2-1/2"	65	143	130	224
3"	80	168	148	224
4"	100	207	180	295

2PC Ball Valve VS 1PC

1. Material:

Both material of 2 pc ball valve &1pc ball valve can be CF8, CF8M, CF3M.

2. Pressure:

Both p[ressure of 2 pc ball valve &1pc ball valve can be 200WOG, 800WOG, 1000WOG, 1500WOG, 2000WOG

3. Range of Applications (Similarity):

Stardard: ANSI, BS, DIN

Sealing Material: PTFE, R-PTFE

Connection type:Thread end

4. Installation (Difference):

2PC ball valve is composed of two parts, sealing performance is better than 1PC ball valve, easier to disassemble than 1PC ball valve.1PC ball valve is an integral ball, PTFE sealing ring, nut composition, are reduced bore.

QSL2T-4 2PC Ball Valve FAQs

Q What Is The Difference Between 2 Piece And 3 Piece Ball Valve?

Two piece ball valves consist of two separate pieces, with the connection between them being either threaded or a bolt and flange assembly. As you may have guessed, a 3 piece ball valve consists of three pieces, two end caps and a body.

Q What Is The End Connection For SS 2pc Ball Valve?

NPT/BSPT, SW, BW

How Can a 2 pcs Ball Valve Improve Oil and Gas Operations?

In oil and gas operations, precise flow control and leak prevention are crucial to ensure safety and efficiency. A 2 pcs ball valve offers a robust solution, specifically engineered to handle high-pressure fluids and varied temperatures. Unlike one-piece valves, which often struggle with leakage under extreme conditions, the two-piece design incorporates a reinforced gland, guaranteeing a secure seal. This feature is essential for transporting oil, natural gas, or other hydrocarbons where safety standards are non-negotiable. The 2 pcs ball valve is designed to support nominal pressures ranging from 1.6 to 6.4MPa and temperatures from -20~232℃~350℃, making it suitable for upstream, midstream, and downstream processes. Whether controlling crude oil flow from extraction sites, refining operations, or distribution pipelines, these valves maintain operational integrity. Their compatibility with G, NPT, BSPT, BSP, and DIN threads ensures seamless integration into existing infrastructure, which minimizes installation downtime and reduces labor costs. Maintenance is simplified with a two-piece design. Technicians can remove the valve body without dismantling the pipeline, saving time and improving system uptime. For oil and gas procurement teams, this translates into long-term cost savings and reliable performance. The 2 pcs ball valve is also resistant to corrosive elements often present in petroleum and natural gas operations, including H2S and chemical additives. Its durability under challenging conditions makes it an essential choice for global operations. Operational efficiency is another advantage. Reduced flow resistance compared to one-piece valves allows pumps and compressors to work with less energy, lowering overall operational costs. For companies aiming to meet strict environmental and efficiency standards, selecting a 2 pcs ball valve ensures both compliance and productivity. Finally, Ningjin Thriveon Valve Co., Ltd., as a leading manufacturer in Northern China, guarantees that each valve meets stringent quality inspections. With engineering support available for customized specifications, buyers can confidently select a valve tailored to their application. For oil and gas operators seeking safety, efficiency, and durability, the 2 pcs ball valve is a reliable investment, ready for international shipment and immediate deployment.

How Does a 2 pcs Ball Valve Support HVAC and Water Treatment Systems?

Efficient HVAC and water treatment systems rely on precise flow management. A 2 pcs ball valve delivers reliability and longevity, ensuring smooth operations in heating, cooling, and filtration systems. Unlike single-piece valves, its two-piece construction includes a gland that prevents leaks and maintains consistent pressure, which is critical for large-scale water circulation networks and chilled water loops. The 2 pcs ball valve handles a nominal pressure range of 1.6 to 6.4MPa and temperatures from -20~232℃~350℃, making it compatible with both domestic and industrial HVAC applications. Its ability to manage various media—including water, oil, and gas—ensures versatility in different parts of treatment plants or heating and cooling systems. Thread options like G, NPT, BSPT, BSP, and DIN facilitate integration into existing pipelines, reducing installation costs and complexity. Maintenance is straightforward due to the two-piece design, which allows partial disassembly without full pipeline removal. This feature is particularly valuable in HVAC systems where minimizing downtime is essential to maintain climate control and operational efficiency. Energy efficiency benefits are significant. The reduced flow resistance of the 2 pcs ball valve lowers pump and motor workloads, decreasing energy consumption and operational costs. For water treatment facilities prioritizing sustainability, this valve contributes to both operational efficiency and environmental compliance. Procurement teams will appreciate the durable construction and long-term reliability of the 2 pcs ball valve. Ningjin Thriveon Valve Co., Ltd. provides full technical support, ensuring proper sizing and installation, which maximizes system performance. For HVAC and water treatment applications, this valve is an indispensable component, combining durability, leak prevention, and energy savings in one reliable package.

Can a 2 pcs Ball Valve Meet Food and Beverage Sanitation Standards?

Food and beverage production requires sanitary valves that resist corrosion and contamination. The 2 pcs ball valve is ideal for this sector due to its leak-proof design and durable materials. The two-piece construction allows for easy disassembly and thorough cleaning, ensuring hygiene compliance without disrupting production schedules. The 2 pcs ball valve supports operating temperatures from -20~232℃~350℃ and pressures up to 6.4MPa, making it compatible with beverage lines, pasteurization processes, and water treatment systems. Its compatibility with water, oils, and some mild corrosive solutions ensures flexibility across multiple production lines. Thread standards like G, NPT, BSPT, BSP, and DIN provide easy installation and integration into diverse plant piping systems. Safety and sanitation are paramount. The gland in the 2 pcs ball valve prevents leaks and protects against contamination, maintaining product integrity and compliance with strict hygiene regulations. Maintenance is simplified by the two-piece design, allowing quick inspection, cleaning, and part replacement. Procurement teams benefit from reliable, long-lasting valves that reduce maintenance and operational interruptions. Ningjin Thriveon Valve Co., Ltd. ensures that every 2 pcs ball valve meets international quality standards and offers engineering support for correct sizing and installation. In summary, integrating a 2 pcs ball valve into food and beverage production systems enhances sanitation, reliability, and ease of maintenance. Its durability and leak prevention make it a trusted choice for manufacturers aiming to meet strict industry standards while maximizing operational efficiency.