Why Choose Us? – Your Trusted 2 piece ball valve Manufacturer & Supplier
When it comes to high-performance 2 stainless steel ball valve, precision, durability, and reliability matter. At LEADTEK, we go above and beyond to ensure every valve meets the highest industry standards. Here’s why global clients choose us as their preferred supplier:
✅ 100% Leak Test Guarantee
Every 2pc ball valve undergoes rigorous pressure testing before shipment. We ensure zero leakage—only flawless products reach our customers.
✅ Precision Threading for Secure Connections
No compromises on thread accuracy! Our 2 pieces valves are individually checked with thread gauges to guarantee perfect fittings, reducing installation risks and enhancing system integrity.
✅ Optimized Dimensions for Superior Performance
Unlike lightweight alternatives, our self-developed pressure-reducing ball valves are engineered by our in-house R&D team for ideal weight-to-strength ratios, ensuring long-term durability in demanding applications.
✅ Genuine Materials, Certified Quality
We adhere to ASTM A351/A351M standards, with 100% mill testing on all materials. No substitutes—just high-grade alloys for corrosion resistance and extended service life.
🔹 OEM/ODM Support – Custom solutions tailored to your specs.
🔹 Global Export Expertise – Timely delivery to 50+ countries.
🔹 Strict QC Process – From raw materials to final inspection.
📩 Contact Us Today for a Quote! Let’s discuss how LEADTEK’s valves can optimize your operations.
Stainless Steel Two Piece Ball Valve – Reliable Flow Control for Industrial Systems
What is a 2 piece ball valve?
A 2PC Stainless Steel Ball Valve is a full-bore ball valve designed to start or stop fluid flow in hydraulic and pneumatic systems. It features a quarter-turn handle that rotates the ball 90 degrees for quick open/close operation, with an optional locking mechanism to secure the valve in position.
Constructed from two main components—a body section and a connection end—this valve type is assembled by threading or bolting the parts together. The full-bore design ensures minimal pressure drop, as the inner diameter matches the pipeline size.
Premium 2 ss ball valve - Superior Performance & Reliability
High-Quality Materials for Demanding Applications
At LEADTEK, we manufacture 2 piece trunnion ball valves using SS304/SS316 stainless steel, ensuring corrosion resistance and long-term durability. Our 100% material testing during casting guarantees compliance with CF8/CF8M standards, and we provide mill test reports (MTRs) with every shipment.
✅ Strict Material Composition Control:
● SS304: Nickel (8-11%), Chromium (18-21%)
● SS316: Nickel (9-12%), Chromium (18-21%), with added Molybdenum (2-3%) for enhanced corrosion resistance.
✅ 100% Genuine Materials:
All materials undergo ASTM A351/A351M mill testing to ensure high purity and performance.
Wide Range of Connection Types for Global Compatibility
Our 2 stainless ball valves support multiple thread and connection standards, making them suitable for international applications.
🔹 Available Connection Types:
● Threaded: BSPT (BS21), BSPP (G), NPT (ANSI/ASME B1.20.1), DIN2999 (R/RP), JIS B0203 (PT)
● Socket Weld (SW) & Butt Weld (BW) for high-integrity piping systems
● Flanged options available upon request
🔹 Custom Threading Services:
● Need a specific thread type? We can manufacture custom connections to match your system requirements.
Durable & Reliable Performance Under Pressure
Our 2 ball valve stainless steel are designed for efficient flow control in low to medium-pressure systems.
✅ Pressure & Temperature Ratings:
● Standard: PN16 (150 PSI), -20°C to 150°C
● High-Temperature Options: Available for 180°C, 200°C, and 250°C applications
● PTFE Seals: Ensures chemical resistance and long-lasting sealing performance
✅ Leak-Proof Design:
● 100% pressure-tested before shipment
● Bubble-tight shutoff for zero leakage in critical applications
User-Friendly & Maintenance-Friendly Features
Our 2 steel ball valves are designed for easy operation, minimal maintenance, and quick repairs.
Handle Options
● Standard lever handle (quarter-turn operation)
● Lockable handle (prevents unauthorized operation)
● Butterfly handle (for easier manual control)
Easy Maintenance & Repair
● Two-piece design allows quick disassembly for cleaning, seal replacement, or inspection
● Sealing surfaces are isolated from media, preventing corrosion and extending service life
Compact & Lightweight Design
● Full-bore construction ensures minimal pressure drop
● Low fluid resistance for energy-efficient flow control
2 piece ball valves Common types- Premium Quality & Versatile Solutions by LEADTEK
Comprehensive Range of 2 piece valves for Every Application
LEADTEK offers an extensive selection of high-performance ball valve two piece designed to meet diverse industrial needs. Our valves combine precision engineering, durable materials, and leak-proof reliability for optimal flow control in critical systems.
1. 2 piece stainless steel ball valve
● Material: SS304/SS316 for superior corrosion resistance
● Features: Full-bore design, PTFE seats, 100% pressure tested
● Applications: Chemical processing, water treatment, oil & gas
2. 2-Piece Elbow Ball Valve
● Unique 90° design saves space in compact installations
● Available in threaded and socket weld connections
● Ideal for: Pipeline direction changes without extra fittings
3. 2-Piece Camlock Ball Valve
● Quick-connect camlock couplings for fast installation/removal
● Options: Type A, B, C, D, E, F, DP camlocks available
● Perfect for: Temporary connections, fluid transfer systems
4. 2-Piece Male Thread Ball Valve
● Male NPT/BSP threads for direct piping connections
● Compact & lightweight design
● Common uses: Equipment connections, instrumentation lines
5. 2-Piece Male Female Ball Valve
● Versatile MF threaded ends adapt to various systems
● Bi-directional flow capability
● Typical applications: Water distribution, irrigation systems
6. 2-Piece Reducer Ball Valve
● Reduced port design for flow control between different pipe sizes
● Available in concentric and eccentric configurations
● Best for: System integration with varying pipe diameters
2 piece stainless ball valve Technical Specifications
|
Parameter |
Specification |
|
Size Range |
1/4" to 4" (DN8-DN100) |
|
Pressure Rating |
PN16 (standard), up to PN40 |
|
Temperature Range |
-20°C to 250°C |
|
Operation |
Manual handle (lockable), gear or actuator options |
|
End Connections |
Threaded, flanged, camlock, SW, BW |
|
Standards |
ISO 9001, API 607, CE, PED compliant |
2 piece body ball valve Materials List
|
No. |
Parts |
Material |
|
1 |
Body |
CF8/CF8M |
|
2 |
Ball |
F304/F316 |
|
3 |
Cap |
CF8/CF8M |
|
4 |
Stem |
SS304/SS316 |
|
5 |
Seat |
PTFE |
|
6 |
Thrust Washer |
PTFE |
|
7 |
Gasket |
PTFE |
|
8 |
Packing |
PTFE |
|
9 |
Gland Nut |
SS304 |
|
10 |
Handle Nut |
A2-70 |
|
11 |
Handle |
SS201 |
|
12 |
Handle Sleeve |
PVC |
✔ Water & Wastewater Treatment – Reliable shutoff for filtration systems
✔ Oil & Gas Pipelines – Corrosion-resistant performance in fuel & gas lines
✔ Chemical Processing – PTFE seals for acid & solvent compatibility
✔ Food & Beverage – Sanitary SS316 construction meets hygiene standards
✔ HVAC & Industrial Systems – Low-maintenance flow control solution
LEADTEK 2-Piece Ball Valves: Precision Craftsmanship for Unmatched Performance
Engineering Excellence in Every Valve
At LEADTEK, we don't just manufacture ball valves - we engineer precision flow control solutions through meticulous craftsmanship. Our 2pcs ball valves represent the perfect fusion of German engineering standards and precision manufacturing, delivering reliability that global industries have trusted for decades.
Our Craftsmanship Difference
Material Mastery
● 100% Virgin Stainless Steel: Only certified SS304/SS316 materials from reputable mills
● Advanced Metallurgy: Precise control of chromium (18-21%) and nickel (8-12%) content
● Material Traceability: Every batch comes with complete mill test reports (MTRs)
Precision Machining
● CNC-Controlled Processes: ±0.01mm tolerance for perfect sealing surfaces
● Triple-Stage Polishing: Mirror-finish interiors reduce friction and particle accumulation
● Thread Perfection: Each thread undergoes go/no-go gauge verification
Leak-Proof Engineering
● Dual-Seal Technology: Primary PTFE seat + secondary metal-to-metal seal
● 100% Hydrostatic Testing: Every valve tested at 1.5x rated pressure
● Bubble-Tight Standard: <0.1ml/min leakage rate (exceeds ANSI/FCI 70-2 Class VI)
The LEADTEK Manufacturing Process
Material Certification
● XRF spectrometer verification of alloy composition
● Ultrasonic testing for material defects
Precision Machining
● 5-axis CNC machining centers
● In-process quality checks every 50 pieces
Surface Enhancement
● Electropolishing for corrosion resistance
● Laser engraving for permanent identification
Assembly & Testing
● Clean room assembly environment
● Final 100% pressure and function testing
Why Professionals Choose LEADTEK Craftsmanship
30+ Years of specialized ball valve manufacturing
1,000,000+ Cycles durability testing
72-Hour Salt Spray Test for corrosion resistance
Zero-Rust Guarantee for 1 years
LEADTEK 2pc Full Port Ball Valves--Maintenance Guide & Operational Precautions
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Pre-Installation Inspection
1.Proper Installation Procedures
◎ Verify valve material (SS304/SS316) matches pipeline media
◎ Check PTFE seats for visible damage
◎ Confirm thread type (NPT/BSP/etc.) matches connection
2.Installation Best Practices
◎ Use thread sealant (Teflon tape/paste) only on male threads
◎ Avoid over-tightening (max torque: 30 Nm for 1" valves)
◎ Install with flow direction matching valve arrow indicator
3.Alignment Requirements
◎ Support piping near valve connections
◎ Prevent pipeline stress on valve body
Operational Guidelines
✅ Do:
● Cycle valve fully open/closed monthly if unused
● Flush system before initial use (remove welding debris)
● Use lockable handles in critical safety applications
❌ Don't:
● Use as flow control device (partial opening causes seat erosion)
● Exceed rated pressure/temperature:
◎ Standard: PN16 @ 150°C
◎ High-temp: PN10 @ 250°C
● Subject to water hammer (install dampeners if needed)
Maintenance Schedule
|
Service Interval |
Action Items |
|
Monthly |
Visual inspection for leaks/corrosion |
|
Annual |
Operate through full cycle 10x |
|
3 Years |
Replace PTFE seats (standard service) |
|
5 Years |
Full disassembly inspection |
Disassembly & Repair
1.Safe Shutdown
◎ Depressurize system completely
◎ Drain fluid from valve cavity
2.Step-by-Step Maintenance
(1) Remove handle/actuator
(2) Unscrew body bolts evenly
(3) Inspect ball surface (Ra ≤ 0.8μm)
(4) Replace worn PTFE seats (PN: LK-2045)
3.Reassembly Tips
◎ Apply food-grade lubricant to stem
◎ Torque bolts in crisscross pattern (18 Nm for 1" valve)
Troubleshooting Guide
|
Symptom |
Possible Cause |
Solution |
|
External leakage |
Loose body bolts |
Retorque to spec |
|
Difficult operation |
Stem corrosion |
Clean & lubricate |
|
Seat leakage |
Particle damage |
Flush & replace seats |
|
Handle slippage |
Worn stem flats |
Replace handle |
Safety Precautions
⚠ Critical Warnings:
● Never disassemble under pressure
● Isolate from process media before servicing
● Use PPE when handling high-temp valves
Why Choose LEADTEK 2-Piece Ball Valves?
100% Material & Pressure Testing
Guaranteed quality & leak-free performance
01
Full-Bore Design
Zero flow restriction for efficient operations.
02
Global Certifications
Compliant with ASTM, ISO, API, and DIN standards
03
Customizable Options
Thread types, handles, and high-temperature variants
04
Fast Delivery & OEM Support
Customize materials, sizes, or markings, Tailored solutions for your specific needs
05
Unlock the Full Potential of LEADTEK 2-Piece Ball Valves Today!
Experience our precision-engineered valves firsthand and discover why industry leaders trust LEADTEK for their critical flow control needs.
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Take the next step toward superior flow control - contact LEADTEK now!
Our Factory
Frequently Asked Questions
Q: What is the difference between 1 piece and 2 piece ball valves?
A: The 1pc ball valve is a solid, one-piece design that offers simplicity and reliability. It is commonly used in residential applications and low-pressure systems. On the other hand, the 2pc ball valve consists of two separate pieces that can be easily dismantled for maintenance or repairs.
Q: What is the difference between a 2 piece and 3 piece ball valve?
A: In short, the main difference between 1, 2, and 3-piece ball valves is their body design. A one-piece ball valve has only one body portion. Two-piece ball valves have two body components threaded together or bolted together. Three-piece valves, on the other hand, have three independent components.
Q: What is the size range of 2 piece ball valves?
A: The size range of 2 piece ball valves is from 1/4 inches to 4 inches.
Q: What is a 2 piece ball valve made of?
A: It is made of stainless steel SS304/SS316.
Q: What are the working pressures of 2 piece ball valves?
A: The working pressures of 2 piece ball valves are 1,000 psi and custom operating pressures.
Q: What are the featues of 2 piece ball valves?
A: 2 piece ball valves are made up of two separate pieces which are threaded or linked together with bolts and flange assembly. The first piece comprises the end connection and the body, and the second piece fits into the first to secure the trim and give the second end connection.
Q: What is the function of 2 piece ball valves?
A: 2 piece ball valves hold the potential of leakage where the two pieces are joined, however at the same time allows disassembly of the valve if the need of replacing the internal parts arises.
Q: Is 2 piece ball valve a reduced bore or standard bore?
A: 2-piece ball valve is a full-bore (standard bore) valve with an over-sized ball that matches the size of the hole in the ball to pipeline applications.
Q: What is a two-piece valve?
A: As the name suggests, the two piece ball valve consists of two pieces, one piece that has one end connection and the body. The second piece fits into the first, holds the trim in place and includes the second end connection. Once installed these valves typically cannot be repaired unless they are removed from service.
Q: What is a 2 piece ball valve?
A: The 2pc ball valve consists of two separate pieces that can be easily taken apart for maintenance or repairs. This design offers flexibility and ease of servicing, making it popular in industrial settings where frequent maintenance is required.
Q: What is the flow direction of a 2 piece ball valve?
A: A unidirectional valve only allows one direction of flow, while a 2 piece ball valve flow direction is both from inlet to outlet and vice versa.
Q: What is the difference between 1 piece and 2 piece ball valves?
A: The 1pc ball valve is a solid, one-piece design that offers simplicity and reliability. It is commonly used in residential applications and low-pressure systems. On the other hand, the 2pc ball valve consists of two separate pieces that can be easily dismantled for maintenance or repairs.
Q: 2 piece ball valve disassembly？
A: Disassembling a two-piece ball valve requires following standardized procedures to ensure safety and valve integrity. Below are detailed steps and precautions:
Preparation for Disassembly
1.Safety Measures
●Close upstream and downstream pipeline valves to release system pressure.
●Drain any residual media (liquids, gases) from the pipeline to prevent splashing or contamination.
●Wear protective gear (gloves, goggles, etc.), especially when handling corrosive or high-temperature media.
2.Tools Required
●Adjustable wrench/open-end wrench, hex key.
●Screwdriver (flathead or Phillips).
●Soft hammer (rubber mallet) or copper rod (to avoid damaging the valve body).
●Cleaning cloth, sealant remover (if old sealant is stubborn).
Q: Disassembly Steps
A: 1.Separate the Valve Body
●Use a wrench to loosen the connecting bolts (typically 4, symmetrically positioned) in the middle of the valve body.
●If bolts are corroded, apply a penetrating lubricant (e.g., WD-40) before attempting removal.
●Gently tap the valve body joint with a soft hammer to aid separation (avoid excessive force to prevent sealing surface damage).
2.Remove the Ball and Valve Seat
●After separating the two valve halves, carefully extract the ball, checking for any damage to its surface coating (e.g., PTFE).
●Inspect the seat seal ring (often made of PTFE or elastic material) and gently pry it out with a screwdriver.
3.Disassemble the Stem Assembly
●Remove the gland nut or bolts on the valve cover.
●Extract the stem, noting any thrust washers or springs at the bottom to prevent loss.
●Inspect the stem O-ring or packing and replace if necessary.
Key Precautions
●Protect Sealing Surfaces: Avoid contact with hard objects to prevent scratches on the valve body and ball sealing surfaces.
●Bolt Sequence: Loosen bolts in a diagonal sequence to avoid uneven stress distribution.
●Alignment Marks: For flow-directional valves, mark the relative position of the valve body and pipeline before disassembly.
●Spare Parts Check: Record specifications of seals, bolts, etc., and prepare replacements in advance (e.g., ANSI-standard valves often use 316 stainless steel bolts).
Troubleshooting Common Issues
●Broken Bolts: If a bolt snaps inside the threaded hole, use a bolt extractor or drill it out.
●Stuck Seals: Clean the seat groove with a plastic scraper—avoid metal tools.
●Seized Ball: Caused by crystallized or corrosive media; soak in cleaner and tap gently to loosen.
Reassembly Tips
During reassembly, reverse the steps and note:
1.Clean all components and replace seals.
2.Tighten bolts evenly in a diagonal sequence.
3.Conduct a pressure test to ensure no leaks.
For high-pressure or special-material valves (e.g., titanium alloy), consult the manufacturer for disassembly/assembly guidance.
Q: Maintenance and Troubleshooting Tips for Ball Valves？
A: 1.Regular inspections for signs of wear or leaks.
2.Lubricate moving parts as per manufacturer recommendations.
3.Address leaks promptly to prevent system damage.
Q: What is full bore in a ball valve?
A: A full bore valve refers to a ball valve that can open completely when the actuator moves, creating a clear, unobstructed path for the fluid to pass through the pipe where the valve is used.
Q: Which is better full bore or reduced bore ball valves?
A: What Is The Difference Between Full Bore Ball Valves And Reduced Bore Ball Valves? Full bore ball valves mean the bore diameter of ball is the same as the internal diameter of pipeline, whatever the inlet or outlet. Reduced bore ball valves mean the bore is smaller than internal diameter of the pipework.
Q: What is a threaded ball valve?
A: A threaded ball valve is a a type of valve with threaded end connections designed to screw onto threaded pipes and components. They are easy to install and offer an easy and reliable way to control flow in industrial and plumbing applications.
Q: 1, 2 & 3-piece ball valves comparison？
A: Cost
● Acquiring a one-piece ball valve is the cheaper option.
● Two-piece ball valves are affordable to purchase and replace compared to three-piece ball valves.
● Three-piece ball valves have a high one-time cost, but in the long run, they are cost-effective.
Port availability
● One-piece ball valve does not have the same port size as the line.
● Two-piece and three-piece ball valves are available in full port configurations.
Repair and service
● You cannot repair one-piece ball valves.
● Two-piece ball valves allow for limited repair.
● It is expensive to acquire three-piece ball valves
Applications
● One- and two-piece ball valves have typical food, liquid filling, and automotive industry applications.
● Three-piece ball valves have high-pressure applications in manufacturing industries.
Zhejiang Leadtek Fluid Technology Co., Ltd. is one of the most professional 2 pc ball valve manufacturers and suppliers in China. We warmly welcome you to buy customized 2 pc ball valve at competitive price from our factory. For free sample, contact us now.
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