A heavy duty polypropylene chemical hose of this class is rated 250 psi at ambient temperature and is suitable across a service range of −40 °C to +100 °C. The two figures do not apply at the same time. Pressure capability falls as temperature rises, so the usable figure at 100 °C is materially lower
ケミフレックス製 ヘビーデューティー・ポリプロピレン製薬品用ホース：100 °Cで250 psi Read More »
EN 12115 is the European specification for rubber and thermoplastic hose assemblies that carry liquid or gaseous chemicals. It defines two types based on duty — one for delivery, one for suction and delivery — four grades based on conductivity and resistance, and requirements for construction, dimensions, performance, identification and storage. This guide walks through
EN 12115 の解説：液体または気体の化学物質用ゴムおよび熱可塑性樹脂製ホース Read More »
An EN 12115 Type SD hose is the answer wherever a line can pull a vacuum, be crushed, or be emptied from below; a Type D hose covers delivery duty only. The suction and delivery version carries one or more embedded helixes. The four electrical grades sit on top of that choice and describe how
EN 12115 タイプDとタイプSDの比較、および4つの電気グレード Read More »
A Teflon chemical hose uses a fluoropolymer liner — either PTFE or FEP — braided with stainless steel, and the two liners are not interchangeable. PTFE reaches about +260 °C; FEP stops near +204 °C but is semi-transparent, so you can see the medium inside. This guide compares the two side by side, explains how
FEP／PTFE テフロン製化学用ホース：仕様と用途 Read More »
A PTFE chemical hose is the usual answer for hydrochloric acid because a PTFE liner is chemically inert to the acid across normal service concentrations. Choose in this order: the liner for the wetted path, the reinforcement for pressure, then the end connections for the joint. This guide covers how the hose is built and
塩酸および腐食性の媒体用PTFE化学ホース Read More »
Industrial PTFE hose fittings come in five practical families: JIC flare, thread, camlock, flange, and sanitary clamp. If you are specifying a PTFE hose assembly, the family you choose sets the pressure it can hold. This overview maps the range, from tube construction to the end connections that fit it. It also covers crimped and
PTFEホースおよび継手：製品ラインナップの概要 Read More »
A UHMW hose wins on wear, not on temperature. Where a line carries an abrasive acid slurry, a crystallising salt or a mildly corrosive fluid, the polyethylene liner outlasts rubber and most other linings by a wide margin. Below about 80 °C it also carries alkaline duty better than any competing lining. Above that line,
The Case for UHMW Hose in Chemical Transfer Performance Read More »
A composite chemical hose handles hazardous transfer because its layers are chosen separately: a fluoropolymer or polypropylene film for the product, reinforcing fabric for the pressure, and metal helixes for crush and vacuum duty. Selecting one means classifying the task first, then the build, then the static control. This guide covers the classification step, the
Composite Chemical Hose Solutions for Hazardous Transfer Read More »
A composite hose is a flexible tube built from separate layers rather than one extruded wall, and that layer stack is what makes it light, crush resistant and chemically broad. A metal inner wire helix, one or more liquid-tight films, reinforcing fabric and an outer cover work as a system. This guide works through the
Composite Hose: Multi-Layer Construction and Safe Chemical Transfer Read More »
Choosing a chemical hose is a matching problem. Match the liner to the fluid first; bore, pressure class and construction follow from the duty. This guide maps chemical hose types, the liner materials behind them, and the selection path from fluid to a finished assembly. Three questions drive most decisions. What is the fluid, and
Chemical Hose: The Complete Guide to Types, Materials and Selection Read More »
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