ABSPERRTECHNIK

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SISTAG Absperrtechnik is the first choice when it comes to regulating, diverting, blocking or

collecting liquid or gas fluid: in the industry , for water and waste water, in the chemical process

and the environment technology when long term quality is important and tailor made solutions

are required. As a manufacturer with countless years of experience, SIST AG offers its customers

the ideal synthesis of cutting edge technology , durability and economic efficiency: Flow control

technology that broadens ones mind.

The name and label entails responsibility. SISTAG and WEY are inseparably connected. This is

because WEY is SISTAGs trademark, and all products which bear the name WEY are exclusively

manufactured by SISTAG, with the utmost care and precision for the longest durability .

SISTAG Absperrtechnik with WEY Knife Gate Valves, Butterfly & Check Valves and Water Control Gates: Swiss quality worldwide

Waste water treatment in St. Gallen, Switzerland Flood protection in Alf, Germany

Whether in cities or in the countryside, in the air or deep underground: wherever water flows,

SISTAG will provide stable conditions. Butterfly valves ensure the supply of drinking water .

WEY knife gate valves and water control gates are integral components in modern waste water

treatment plants, in flood protection and stop log systems, which safeguard people, animals and

objects from the forces of nature.

For all forms of water found in nature:Certified flow control technology

Fish pass in Barthlemy, Switzerland

SISTAG valve products are so ruggedly designed and technically balanced that they function day

and night faultlessly. Low maintenance. Cost efficient. Since we, as a manufacturer , not only

know our products thoroughly, but also all about their practical application possibilities, we provide

comprehensive advice to our customers and offer them actual operative solutions: from the

planning stage to the start-up phase and for decades of operation. W orldwide with Swiss quality.

Pulp & Paper plant in Perlen, Switzerland Biomass processing in Gelsenkirchen, Germany

SISTAG develops WEY flow control valves for the most demanding requirements in particularly

sensitive applications: in the paper, food and chemical industries, in power plants, in the oil

production industry and in gas scrubbing systems. For this reason, SIST AG products satisfy all

criteria of the most important standards as well as the PED (Pressure Equipment Directives),

ATEX (Atmosphere Explosible) and those related to personnel and process safety . Unique knife

Solutions with system for the industry, environment and energy: ready for all kinds of media

Steel Works in Ijuiden, the Netherlands

gate valve features be it the W EY sealing system with bi-directional leak tightness, jamming

latitude and the highest level of functionality ensures safer and more efficient handling,

even with the most difficult media. SISTAG shut off technology handles anything: from waste or

ashes to marmalade, cellulose or cement, from abrasive to chemically corrosive substances.

Trouble free. For decades.

SISTAG strongly represented in Asia area Waste handling on Cruise liner

Decades of experience have made SISTAG and WEY leading and worldwide recognized brands,

available across the world. Subsidiary companies and a large network of sales representatives

ensure that the SISTAG quality in regard to technology, consulting, installation and after sales

Happy customers worldwide:Thanks to high premium products and perfect service

Oil sand mining in Alberta, Canada

service satisfy the high market expectations worldwide. SIST AG does not only want satisfied

customers, it wants happy customers. W e vouch for this with our name, and the results are

references of which we are proud.

In-house design In-house production

SISTAG develops and produces at its own manufacturing plants in Switzerland and the United

States. Thanks to the most sophisticated infrastructure and highly trained specialists we are

continually improving our products and introducing new ones into the market. Our sales personnel

SISTAG a Swiss manufacturer with a vision

In-house quality assurance

and engineers travel the world visiting customers and thereby offering what puts us in the lead:

control technology that works.

We cordially invite you to contact us.

The WEY product range:Complete thanks to tailored solutions

Our product program is not only extensive: it is complete. Request s which go beyond

our product-range, will be designed according to customer requirements or supplemented

with trading-products. In addition, we place great value on international standards.

Whatever is manufactured by SISTAG includes all appropriate certificates.

Regular third party audits

On time deliveries and services

SISTAG guarantees first class product quality , for the highest level of operating safety and sets

standards in every day operations. SISTAG Absperrtechnik is proven for decades, built for

decades und intended for demanding customers. Supply ability and delivery date adherence are

for us as self-evident as giving obliging care to our customers.

SISTAG sets benchmarks:For products, operation and support

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Headquarter SISTAG AGAbsperrtechnikCH-6274 Eschenbach LUSwitzerlandPhone ++41 41 449 99 44Fax ++41 41 448 34 31info@sistag.chwww.sistag.ch

Subsidiaries SISTAG GmbHAbsperrtechnikD-76461 MuggensturmPhone ++49 7222 787 979 0Fax ++49 7222 787 979 11info@sistag.dewww.sistag.de

Wey Valve INC.P.O. Box 387NETTLETON, MS 38858 U.S.APhone ++1 662 963 20 20Fax ++1 662 963 20 25weyvalve@tsixroads.comwww.weyvalve.com

Representatives Address list on request 12.0

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