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L-Port Valve Balls Factory

Advantages of L-Shaped Ball Valve Ball

Why Choose Our L-Shaped Ball Valve Ball?

Selecting the right valve ball directly influences the efficiency, safety, and service life of the entire valve assembly. Our precision-machined L-Shaped Ball Valve Ball is engineered to deliver stable switching performance under demanding industrial conditions.

High Precision Machining

Every valve ball is manufactured using advanced CNC machining and precision grinding technology to ensure:

  • Excellent roundness
  • Accurate sphericity
  • Consistent L-port geometry
  • Tight dimensional tolerances
  • Smooth sealing surfaces

These machining capabilities help achieve reliable sealing performance and repeatable flow switching.

Excellent Sealing Performance

The precision groove design supports various sealing structures and minimizes internal leakage.

Benefits include:

  • Stable sealing pressure
  • Reduced wear
  • Improved service life
  • Lower maintenance costs

Reliable Torque Transmission

For square-hole designs, the precision-machined stem interface provides:

  • Accurate positioning
  • Stable torque transfer
  • Reduced mechanical play
  • Improved actuator compatibility

This makes the valve suitable for automated control systems.

Wide Material Compatibility

Material options include:

  • ASTM A182 F304
  • ASTM A182 F316L
  • CF8M
  • Duplex Stainless Steel
  • Super Duplex Stainless Steel
  • MONEL®
  • Hastelloy®
  • Customer-specified alloys

Different materials can be selected according to pressure, temperature, corrosion resistance, and process media.

Suitable for Harsh Industrial Environments

Our valve balls are widely used in:

  • Chemical processing
  • Oil & Gas
  • LNG
  • Hydrogen energy
  • Water treatment
  • Pharmaceutical production
  • Food processing
  • Industrial automation
  • Marine engineering
  • Power generation

Stable Quality Control

Every production stage is strictly controlled, including:

  • Raw material verification
  • CNC machining
  • Precision grinding
  • Surface finishing
  • Dimensional inspection
  • Final quality inspection

Inspection reports can be supplied according to customer requirements.

OEM Manufacturing Capability

Unlike standard catalog suppliers, we manufacture according to customer drawings.

We support:

  • OEM
  • ODM
  • Customized dimensions
  • Customized materials
  • Small batch production
  • Large volume manufacturing
About
Zhejiang Boshi Valve Technology Co., Ltd.
Zhejiang Boshi Valve Technology Co., Ltd. was established in 2005 and specializes in manufacturing precision valve balls for ball valve manufacturers. Located in Wenzhou, Zhejiang, China, we have extensive experience supplying valve balls for international markets and provide custom manufacturing based on customer drawings, samples, and technical requirements.
Our in-house manufacturing capabilities include blank forging and pressing, steel plate rolling and welding, seamless pipe forming, and CNC machining. With integrated production management and quality control throughout the manufacturing process, we are committed to consistent product quality and reliable delivery.
Our valve balls are available in a wide range of materials, including 2Cr13, A105, LF2, F304, F316, F51, and F53. Our product range includes floating valve balls, trunnion valve balls, three-way valve balls, L-port valve balls, V-port valve balls, hard-seated valve balls, and other custom-designed valve balls for different applications.
We offer surface treatments and coatings including electroless nickel plating (ENP), tungsten carbide coating (TCC), and Stellite alloy coating (STL) to meet different requirements for hardness, corrosion resistance, and wear resistance. From raw material and machining to surface treatment and final inspection, we focus on quality, precision, and continuous improvement to meet the requirements of our customers.
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Technical Parameters, Manufacturing Capability & OEM Solutions

Technical Specifications

Item

Specification

Product Name

L-Shaped Ball Valve Ball

Available Types

Curved Groove / Square Hole / Customized

Valve Type

Three-Way Ball Valve

Flow Pattern

L-Port

Manufacturing Process

CNC Machining + Precision Grinding

Materials

F304, F316L, CF8M, Duplex, Super Duplex, MONEL®, Hastelloy®, Custom Alloys

Surface Finish

Precision Ground / Polished / Hard Facing / Overlay Welding

Pressure Rating

Customized

Size Range

According to Customer Drawings

Surface Roughness

Customized

Dimensional Tolerance

According to Drawing Requirements

Inspection

Dimensional Inspection / Material Inspection / Roundness Inspection

OEM Service

Supported

Drawing Manufacturing

Supported

Our Manufacturing Advantages

Our factory specializes in precision valve ball machining with extensive OEM manufacturing experience.

Production capabilities include:

  • Advanced CNC machining centers
  • High-precision grinding machines
  • Precision spherical machining
  • Custom groove machining
  • Square-hole machining
  • Multi-axis machining
  • Coordinate measuring inspection
  • Surface roughness inspection
  • Material traceability
  • Complete quality documentation

Customized Solutions We Provide

Every industrial application has different engineering requirements. We offer comprehensive OEM manufacturing services based entirely on customer drawings.

Our customization services include:

Structure Customization

  • L-port configuration
  • Groove profile
  • Square-hole dimensions
  • Stem connection
  • Special openings

Material Customization

  • Stainless Steel
  • Duplex Stainless Steel
  • Super Duplex
  • Nickel Alloys
  • High-temperature alloys
  • Customer-designated materials

Surface Treatment

  • Mirror polishing
  • Precision grinding
  • Hard facing
  • Overlay welding
  • Anti-corrosion coating

Engineering Support

Before production begins, our engineering team assists customers by reviewing:

  • Technical drawings
  • Machining feasibility
  • Material selection
  • Pressure requirements
  • Temperature conditions
  • Media characteristics
  • Tolerance specifications
  • Inspection standards

This collaborative approach helps reduce manufacturing risks while ensuring every valve ball matches the intended application.

Frequently Asked Questions (FAQ)

Q1. What is the difference between an L-Port and a T-Port Ball Valve Ball?

An L-port valve ball redirects flow between two selected ports, while a T-port valve ball can connect multiple flow paths simultaneously depending on valve position.

Q2. Can you manufacture according to customer drawings?

Yes. We specialize in OEM manufacturing based entirely on customer technical drawings, including customized dimensions, groove profiles, square-hole structures, materials, and inspection requirements.

Q3. Which materials are available?

We commonly manufacture valve balls using F304, F316L, CF8M, Duplex Stainless Steel, Super Duplex Stainless Steel, MONEL®, Hastelloy®, and other customer-specified alloys.

Q4. Which industries use L-Shaped Ball Valve Balls?

Our products are widely applied in chemical processing, oil & gas, water treatment, pharmaceutical manufacturing, food processing, LNG, hydrogen energy, power generation, industrial automation, and general process control.

Q5. What quality inspections do you provide?

We perform comprehensive inspections including raw material verification, dimensional inspection, roundness measurement, surface roughness testing, concentricity inspection, and final quality control. Inspection reports can be supplied upon request.

Q6. What OEM services do you provide?

We offer complete OEM manufacturing solutions, including drawing-based production, customized structures, special materials, precision machining, surface treatments, engineering consultation, and batch production tailored to customer project requirements.