Product News

Ball Valve Body Hydrostatic Testing: Full Procedure & Pass Criteria

A practical guide for procurement buyers and QA managers covering the complete hydrostatic testing procedure for ball valve bodies, including API 598/ASME B16.34 pressure ratios, hold times, water-quality requirements, failure modes, and how to read a test report.

How Ball Valve Balls Perform in Cryogenic LNG Service: A Specifier's Guide

LNG boils at -162°C, where ordinary metal embrittles and leaks. This specifier's guide explains how ball valve balls perform in cryogenic LNG service — the right 316L/Inconel material, Ra ≤ 0.4 µm finish, BS 6364 / API 6D Annex F testing, and a 5-point procurement checklist your team can use today.

Valve Sphere Hard Facing: How to Choose Between ENP, Tungsten Carbide, and Stellite

Selecting the right hard-facing material for your valve sphere directly impacts sealing performance, service life, and total cost of ownership. This guide breaks down ENP, tungsten carbide, and Stellite coatings—covering hardness, corrosion resistance, temperature limits, and application fit—so you can specify the right ball valve coating for your project with confidence.

Bi-Directional vs Unidirectional Ball Valves: Sealing Seat Configurations Exposed

Not all ball valves seal the same way. This guide breaks down how bi-directional and unidirectional ball valve seat configurations affect zero-leakage sealing, flow direction, and long-term reliability — so your business can specify the right valve the first time.

How a Low Pressure Drop Impacts Floating Ball Valve Working Efficiency

A low pressure drop is one of the most overlooked factors in floating ball valve performance. This guide explains how pressure drop affects flow efficiency, energy costs, and long-term reliability — and how GOTEB's floating ball valve seat and sealing design helps your business achieve consistent, low-loss flow control.

Top 5 Ball Valve Stem Materials for High-Torque Automation

When your business automates ball valves for high-torque service, the stem material you choose determines whether the system runs reliably for years or fails within months. This guide compares the top 5 ball valve stem materials, their torque ratings, corrosion resistance, and best-fit applications—so you can select with confidence.

Cast vs Forged Ball Valve Body: Which Is Best for Severe Chemical Service

Corrosive chemicals, toxic fluids, and high pressures put constant stress on your processing lines. Choosing a weak ball valve body risks structural failures, environmental fines, and costly plant downtime. For aggressive chemical applications, selecting a high-integrity envelope prevents catastrophic shell breaches. A continuous, dense, forged grain structure always outlasts standard melted alloys under severe stress.

Why Do High-Pressure Pipeline Systems Require a Trunnion Mounted Valve Ball?

Running high-pressure fluids through massive tubes puts incredible physical strain on your infrastructure. In large-diameter networks, standard floating valves face immense fluid forces that crush internal seals and jam operating mechanisms. When processing line parameters scale up, relying on a free-floating sphere becomes a major structural liability. A specialized anchored core design is mandatory to split load forces.

How to Choose a Floating Ball Valve: The Critical Role of Ball Sphericity

Most buyers choose an industrial floating ball valve based purely on outside paint or flange thickness. This mistake leads to costly fluid blow-by within months. A valve housing is only as good as the parts hidden inside it. True sealing success depends on the micro-level shape of your internal components.