DBV-WF/LU SERIES

DBV-WF/LU SERIES 2”- 24” (50mm-600mm) Dorot is proud to offer a high quality line of butterfly valves to meet the requirements of today’s market. Combining years of field experience, research and development, Dorot has added numerous unique features to the Series DBV- WF/ LU. The results are longer service life, greater reliability, ease of parts replacement and interchangeability of components. Design Features Dorot’s Series DBV: WF (Wafer) valve or a version with threaded bores- the LU valve. Flange-locating Lug version can be used for deadend service. All Dorot valves are tested to 110% of...

Installation 1. Locate the disc in a partially- open position. 2. Place the valve body between the pipe flanges and install flange bolts. Do not use flange gaskets. 3. Carefully open the disc to the fully-open position, ensure proper alignment with the adjacent pipes. 4. Leave disc in the fully-open position and tighten flange bolts per required specifications. Once bolts are tightened, then carefully move the disc to “closed” position. 5. Horizontal position of the stem is preferred. Maintenance and Repair The high performance features minimize wear and maintenance requirements. No routine lubrication...

Components No. Qty Description 1 1 Thrust Washer 2 1 Retaining Ring 3 2 O-Ring 4 3 Bearings 5 1 O-Ring 6 1 Disc 7 1 Stem 8 1 Seal 9 1 Body Material selection BODY • D - Ductile iron ASTM A536 (standard) SEAL • E - EPDM (standard) • N - Buna-N STEM • S4 - 410SS ASTM A582 Type 410 (standard) • S3 - 316SS ASTM A276 Type 316 DISC • DI - Electro- feritic Coated Ductile Iron ASTM A536 (standard) • AL - Aluminum Bronze ASTM B148-954 • SS - 316 SS ASTM A351 CF8M Operating Temperature Range of Seals Type Minimum Maximum EPDM -40ºF (-40ºC) +250ºF (121ºC) BUNA-N 0ºF (-18ºC) +212ºF (100ºC) Valve Actuators...

DBV-WF/LU / 23.01.08 w w w . d o r o t . c o m • E - m a i l : i n f o _ d @ d o r o t . c o m DOROT AUTOMATIC CONTROL VALVES Founded in 1946, DOROT is a leading developer, manufacturer and marketer of a wide range of superior quality automatic control valves. DOROT’s experienced Research & Development Dept. has a long tradition of generating innovative solutions for the application of water control systems. These include, waterworks distribution networks, sewage and effluent disposal, fire protection, mining and irrigation systems. DOROT’s commitment to excellence begins with using the highest...