ARI Armaturen Industrial Valves — Complete Guide from Germany

ARI Armaturen — Complete Guide to Industrial Valves from Germany

ARI-Armaturen Albert Richter GmbH & Co. KG is one of Germany’s most respected manufacturers of industrial valves, steam traps and flow control systems. Founded in 1950 in Oeynhausen, Germany, ARI produces over 20,000 valve variants for virtually every industrial application — from simple shut-off valves to precision control valves and safety relief valves. VBN Vertriebs GmbH supplies original ARI spare parts and complete valves from Germany to customers in the UK, Nigeria, UAE, Romania, Germany and worldwide.

Why ARI Armaturen Valves Are Industry Standard

ARI valves are specified by engineers worldwide for several key reasons. Their FABA globe valves offer 100% tight shut-off in over 17,000 variants — covering virtually every combination of nominal diameter, pressure rating and material. Their STEVI control valves provide precise, repeatable flow control with interchangeable actuators. Their SAFE safety valves comply with international standards including PED, ATEX and TA-Luft. And their CONA steam traps deliver efficient condensate removal across a wide range of steam pressures and loads.

ARI STEVI Control Valves — Application Guide

The STEVI range is ARI’s flagship control valve series. Key models and their applications:

STEVI 415 — standard control valve for heating, cooling and process water, DN15–DN100, PN16/PN25
STEVI 423 — high-performance version for steam and hot water up to 220°C, DN15–DN150
STEVI 448 — three-way mixing/diverting valve for temperature blending applications
STEVI 451 — angle seat control valve for high-pressure steam applications, up to PN40
STEVI 462 — bellows-sealed control valve for aggressive and toxic media — zero fugitive emissions
STEVI 470 — high-capacity control valve for large flow rates, DN65–DN200

ARI FABA Shut-Off Valves — When to Use Them

FABA globe valves are used wherever reliable tight shut-off is required under demanding conditions. Key applications include isolation of steam lines, chemical pipelines carrying aggressive media, pharmaceutical process lines requiring zero leakage, and high-temperature hot water systems in district heating networks. The FABA-Plus version adds a spring-loaded packing gland for low-emission sealing — required by TA-Luft regulations in chemical plants.

ARI SAFE Safety Valves — Selection Guide

Selecting the correct ARI safety valve requires knowing the set pressure, the medium (steam, gas or liquid), the required relieving capacity and the connection size. ARI SAFE valves are available for set pressures from 0.1 bar to 400 bar and temperatures from -196°C to +550°C. For steam applications, ARI SAFE-D valves with full-lift action are typically specified. For gas and liquid service, SAFE-TC (thermally controlled) versions prevent unnecessary discharge.

Common ARI Spare Parts — What Wears Out

The most frequently replaced ARI spare parts are:

Valve seats and discs — wear items in control valves that affect tight shut-off
Stem packing sets — PTFE or graphite packings that prevent leakage along the valve stem
Actuator seal kits — for PREMIO electric actuators after many operating cycles
Steam trap internals — CONA thermostatic capsules and bi-metallic elements
Safety valve springs — for recalibration after relief events
O-ring sets — for valve body sealing in high-pressure applications

How to Order ARI Armaturen Spare Parts from VBN

To identify the correct ARI spare part, send us the valve nameplate information including valve series (STEVI, FABA, SAFE, CONA), nominal diameter (DN), pressure rating (PN) and ARI article number if available. We will identify the correct spare parts and provide a quotation within 24 hours. VBN exports original ARI products from Germany to the UK, Nigeria, UAE, Romania and worldwide with full export documentation.

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