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Exploring The Different Types of Ball Valves

Time: 9-January 2025 | Source: I-FLOW| Share

1.Classifying Ball Valves by Port Design

Full Port (Full Bore) Ball Valve

Features: The internal diameter matches the pipeline size, ensuring unobstructed flow.

Advantages:No pressure drop.Minimal turbulence and energy loss.

Reduced Port (Standard Bore) Ball Valve

Features: A smaller ball opening compared to the pipeline, causing some flow restriction.

Advantages:Economical and compact design.Suitable for moderate-flow applications.

One-Piece Ball Valve

Design: Single-body construction for durability and low leakage risk.

Benefits:Cost-effective and simple.

Two-Piece Ball Valve

Design: Divided into two parts for easier maintenance.

Benefits:Durable and versatile.

Three-Piece Ball Valve

Design: Three separable sections – two ends and a central body.

Benefits:Easy maintenance without disrupting pipeline connections.

2.Valve Types by Ball Support

Floating Ball Valve

Mechanism: The ball is held in place by valve seats and moves slightly to form a seal under pressure.

Benefits:Simple design and cost-effective.

Trunnion-Mounted Ball Valve

Mechanism: The ball is anchored by trunnions, allowing better control in high-pressure scenarios.

Benefits:Reduced torque and better sealing under high pressure.

3.Specialty Ball Valves for Unique Applications

V-Port Ball Valve

Features: A V-shaped ball or seat for precise flow control.

Advantages:Excellent for throttling and variable flow systems.

Multi-Port Ball Valve (3-Way, 4-Way)

Features: Designed to direct flow in multiple directions. T-port and L-port are the most common configurations.

Advantages:Reduces the need for multiple valves.

4.Types by Operation Method

Manual Ball Valve

Operated with a simple lever or handle.

Advantages: Affordable and easy to use.

Pneumatic Actuated Ball Valve

Uses compressed air for automated operation.

Advantages: Fast and reliable.

Electric Actuated Ball Valve

Operates via an electric motor for precise control.

Advantages: Ideal for remote monitoring and control.

5.Material Considerations for Ball Valves

Stainless Steel: Excellent for corrosive environments and high-pressure systems.

Brass: Economical and corrosion-resistant, ideal for water and gas.

PVC: Lightweight and cost-effective for low-pressure systems.

Carbon Steel: Durable and suitable for high-temperature applications.

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