NEWS

A practical engineering guide to specifying high temperature gate valves — covering body and bonnet material selection, trim and seat design, pressure-seal bonnets, and how to match a valve to real thermal-service operating conditions….

As a professional manufacturer, Sedelon offers customized extended stem valve solutions with anti-corrosion structures….

High Temperature Ball Valve, as key chemical plant valves, is widely used for hazardous pipelines….

As core high temperature alloy steel valve options, WC6 valve and WC9 alloy valve are widely‑adopted power station alloy valve for steam and hydrocracking pipelines….

The wafer api 609 butterfly valve enjoys great cost‑performance among connection types. Global EPCs and buyers need a trustworthy api 609 butterfly valve supplier and api 609 butterfly valve manufacturer….

A practical buyer’s guide to choosing between butt weld, socket weld and flanged valve end connections — compared by pressure, temperature, pipe size, maintenance and governing code….

Hydraulic actuator valves deliver the highest torque density and reliable fail-safe performance in heavy-duty oil, gas, and power applications. This B2B guide compares hydraulic, pneumatic, and electric actuation so engineers and buyers can choose the right valve package….

A gear operated ball valve uses a worm-gear actuator to multiply hand torque 20–60×, making it the safe, practical choice for large-bore (DN50+) and high-pressure (Class 300+) pipelines where a lever handle would require unsafe force….

A lever operated ball valve is the cost-effective, low-maintenance choice for small- to mid-bore isolation points where hand torque is sufficient. Learn when it beats gear or actuated operators….

Achieving reliable fluid isolation in high-pressure oil and gas pipelines is critical for plant safety. While traditional wedge gate valves often suffer from seat wear, high operating torque, and trapped solids in bottom V-shaped pockets, through-conduit slab gate valves offer superior Double Block and Bleed (DBB) isolation. Featuring parallel flat gates, spring-loaded floating seats, and full-bore piggable designs, these valves eliminate wedging stress and feature automatic body cavity pressure relief. Sedelon API 6D monogrammed slab gate valves deliver long-term, zero-pressure-drop isolation for demanding pipeline manifolds….

Modern processing plants face tightening environmental standards to eliminate fugitive VOC and HAP emissions from industrial piping. Valves account for over half of refinery leaks, with stem packing boxes being the main vulnerability. Advanced Low-Emission (Low-E) Valve Seal Systems solve this by combining die-formed flexible graphite matrix rings, braided carbon fiber end rings, and live-loaded Belleville springs. Certified to strict API 622, API 641, and ISO 15848-1 standards, Sedelon API-certified low-emission industrial valves deliver reliable, zero-leakage performance under severe thermal cycling, protecting plant revenue and environmental safety….

Butterfly valves serve industrial shut-off & flow control. This guide breaks down resilient seat, offset and control butterfly valves, covering advantages, limitations, installation tips and a step-by-step selection guide for all fluid pipeline systems….

Y strainers and basket strainers are core industrial pipeline filters. This guide compares their filtration capacity, installation, pressure resistance, maintenance and applicable scenarios, sharing 3-step selection tips for steam, water, sewage & high-pressure systems….

When selecting flow control equipment for industrial or commercial systems, the choice between a backflow preventer and a check valve is more consequential than it appears. Both prevent reverse flow — but they differ fundamentally in design, fail-safe capability, and regulatory compliance. This guide breaks down every critical distinction so engineers and procurement managers can make confident, code-compliant decisions….

Choosing the wrong valve type for a critical pipeline system is not just a specification error — it can mean elevated energy costs, accelerated wear, maintenance downtime, and in high-pressure environments, significant safety risk. For engineers and procurement professionals specifying industrial valves in oil & gas, water treatment, chemical processing, or HVAC, understanding the practical differences between a gate valve vs butterfly valve is fundamental to sound valve selection….