Products Services Hawle Knowledge Contact Careers Hawle quality MENU Home Hawle Knowledge How-to How-to What are the valves' lifecycle costs? How to choose the best-quality gate valve? Hawle answers your most frequently asked questions about valves and fittings. ALL GATE VALVES LIFE-CYCLE COSTS NON-REVENUE WATER (NRW) MORE The keys to choosing a gate valve [Part 1 of 2] Compromising on quality when purchasing gate valves commonly leads to early replacement when the gate valve inevitably fails. This two-part guide will help you to recognize what makes a quality product stand out among the many gate valve options on the market. Part 1 covers pre-purchase quality checks, valve body & coating checks, and checks related to the wedge, wedge nut, and wedge guides GATE VALVES The keys to choosing a gate valve [Part 2 of 2] LIFE-CYCLE COSTS The hidden costs of gate valves Newsletter GO Stay informed with the Hawle newsletter. Company What we stand for History Hawle Austria Group Media Products Water extraction Water distribution House connections FAQs Service Training and development Hawle Service GmbH Downloads Contact Locations and contacts Contact form Corporate details

Products Services Hawle Knowledge Contact Careers MENU Home Hawle quality Production Epoxy whirl sintering (EWS) To protect against corrosion, Hawle valves have a coating that is produced using the epoxy whirl sintering (EWS) technique according to the specifications of the Quality Assurance Association for Heavy-Duty Corrosion Protection (Gütegemeinschaft Schwerer Korrosionsschutz, GSK). Hawle has almost 40 years of experience in this technique. As a founding member of the GSK, Hawle played a major role in setting the standard for the valves and fittings industry. This extensive epoxy coating ensures long-term protection against corrosion. Hawle also uses safe, environmentally conscious production methods to manufacture long-lasting pipeline networks.

Products Services Hawle Knowledge Contact Careers Hawle quality MENU Butterfly valves For water distribution pipelines Double eccentric butterfly valve design Easy maintenance: replaceable butterfly valve seals Welded microfinished sealing seat Drip-tight in both directions Suitable for various installation types with degree of protection IP 68 Filters Delete Nominal diameter DN50 - DN125 DN150 - DN300 Home Products Butterfly valves Butterfly valves (2)

Products Services Hawle Knowledge Contact Careers MENU Service valves Different connection options: thread, ISO, ZAK Suitable for below ground installations Models for various installation types For water, gas or sewage Products Service valves Show all categories Filters Delete Nominal diameter ≤ 2" DN50 - DN125 Home Products Service valves Service valves (37) Privacy Settings This site uses third-party website tracking technologies to provide and continually improve our services, and to display advertisements according to users' interests. I agree and may revoke or change my consent at any time with effect for the future. Data protection Imprint Manage settings Deny Accept All