Two-Piece Ball Valve

Name: Two-Piece Ball Valve

Material: 201/304 Stainless Steel

MOQ: 10 pcs

Package: Inner packing of thickened bubble bag and outer packing of carton, Or sea-worthy pallet transportation

Shipment: DHL, UPS, FedEx, LCL by sea etc.

Tolerance:Precision CNC machining, tolerance ±0.01mm

Inspection:German CMM full inspection, zero defect

OEM & ODM: OEM & ODM accepted, fast sample making

Time:Strict quality control, on-time delivery

Service:Wide material selection for custom parts

The 2-piece ball valve (often referred to as a split-body ball valve) stands as a cornerstone in modern fluid control systems. Characterized by its two-part body construction—typically joined by threaded 

or bolted connections—it offers an optimal balance between structural integrity, full-bore flow capacity, and cost-efficiency.

Unlike 1-piece valves, the 2-piece design allows for easier maintenance and higher pressure ratings. Unlike 3-piece valves, it provides a more compact and economical solution for permanent piping installations. 

Below is a detailed breakdown of its applications across key global sectors.

Application field：

1. Oil, Gas, and Petrochemical Processing

In the demanding environments of the oil and gas industry, reliability and leak-proof performance are non-negotiable.

Pipeline Transmission & Distribution: 2-piece ball valves are extensively used in midstream and downstream applications for the isolation and flow control of crude oil, natural gas, and refined petroleum products. 

Their robust body design withstands high pipeline pressures (often Class 150 to Class 600).

Corrosive Chemical Handling: In petrochemical plants, valves crafted from Stainless Steel 304/316/316L or exotic alloys (like Hastelloy or Monel) are deployed to handle aggressive media such as sulfuric acid, caustic soda, 

and various solvents. The tight sealing provided by PTFE or PPL seats ensures safety and environmental compliance.

Refining Processes: Hard-sealed (metal-to-metal) 2-piece ball valves are utilized in high-temperature catalytic cracking and coking units where soft seats would degrade.

2. Water Treatment and Municipal Infrastructure

As a versatile "workhorse" valve, the 2-piece ball valve is a staple in water management systems worldwide.

Commercial & Residential Plumbing: Due to their compact footprint and reliable shut-off capabilities, they are the standard choice for HVAC systems, fire protection sprinkler lines, and building water supply networks (hot and cold water).

Wastewater & Desalination: In treatment plants, these valves control the flow of raw water, sludge, and treated effluent. The full-bore design minimizes pressure loss and prevents clogging, which is critical for energy-efficient pumping.

Irrigation Systems: Agricultural and landscape irrigation projects rely on these valves for their durability and resistance to weathering and UV exposure.

3. Power Generation and New Energy

The energy sector requires valves that can endure extreme temperatures and pressures while maintaining operational precision.

Thermal and Nuclear Power: 2-piece ball valves are integral to auxiliary water supply systems, cooling water circuits, and steam venting lines. High-performance versions can handle superheated steam and thermal oil at temperatures exceeding 400°C.

Hydrogen & Lithium Battery Manufacturing: In the rapidly growing new energy sector, customized 2-piece ball valves are essential. For hydrogen fuel stations, they manage high-pressure gas storage and transport (up to 40MPa or higher) with fire-safe and anti-static designs. 

In lithium battery production, they control the flow of corrosive electrolytes with high-precision actuation.

4. General Industrial Manufacturing

From light industry to heavy machinery, the adaptability of the 2-piece ball valve makes it indispensable.

Food, Beverage, and Pharmaceutical: Sanitary-grade 2-piece ball valves (often electropolished SS316L) are used to transport food products, beverages, and medicinal liquids. They meet strict hygiene standards (such as FDA and 3A), ensuring no bacterial growth in dead legs.

Pulp, Paper, and Textile: These industries utilize these valves to control various process fluids, steam, and chemical additives.

Marine and Shipbuilding: Marine-grade bronze or stainless steel 2-piece ball valves are widely installed in ship engine rooms, ballast systems, and bilge lines due to their exceptional resistance to seawater corrosion and vibration.

Key selling points：

When selecting a valve for your project, the 2-piece ball valve offers distinct advantages that drive value for engineering and procurement teams:

Full Bore Flow Efficiency: The internal ball port matches the pipeline inner diameter, minimizing flow resistance and pressure drop. This reduces energy consumption for pumps and compressors.

Superior Sealing Technology: Equipped with advanced seat materials (Virgin PTFE, RPTFE, PPL, or Metal Seats), these valves achieve zero leakage (bubble-tight shutoff) across a wide range of temperatures and pressures.

Compact & Lightweight Design: The split-body construction eliminates the need for bulky flanges in smaller sizes (NPT/BSP threaded ends), saving significant space and weight in piping skids and modules.

Low Maintenance & Long Life cycle: The valve stem features a blow-out proof design for safety. While the valve must be removed from the line for service, the 2-piece body can be disassembled to replace seats and seals, 

extending the product's lifespan and reducing long-term replacement costs.

Versatile Actuation: Easily automated with pneumatic or electric actuators for remote control and integration into PLC/SCADA systems, facilitating Industry 4.0 smart factory requirements.

Application scenarios：

CERTIFICATION:GB/T 19001-2016/ISO 9001-2015

FAQ

What is your MOQ?

It is according to you, usually it is 1000 units.We accept small quantity.

What is the delivery time for the sample?

It's a according to the sample,usually it is 7 days.

What is the rang of the weight you have casted?

The weight we can cast from 0.007kg to 130kg.

What is your term of payment?

30% prepayment and the remaining 70% against bill of lading for shipment.

Do you provide sample? Free or charge?

Yes, we provide the sample, but the delivery costs and mould costs need to be borne by you.

Are you a manufacturer or a trading company?

We are a professional manufacturer with over 26 years' export experience for designing and producing metal castings.