Costa di Mezzate (BG) 24060, ITALY+39 035 958041 Contact Us Work With Us Sign in Sitemap HOME ABOUT US PRODUCTS QUALITY NEWS CONTACT US DBB-SBB Home Products DBB-SBB DBB-SBB Starline manufactures a complete line of SINGLE and DOUBLE BLOCK & BLEED ball valves. Our SBB/DBB ball valves are available in an extensive range of designs, materials, sizes and pressure classes and are in full conformance with API, EEMUA and NACE specifications. Starline uses only high-quality ITALIAN made forged materials inspected & tested to International Standards and utilizes advanced manufacturing technology with special emphasis on safety, quality and long service life of our products. The forging material can ensure the best rigidity and strength. MAIN FEATURES WHY USE A DOUBLE BALL AND NEEDLE VALVE? In conditions of space constraint, it is more and more important to find compact solution. As you can see here above one valve is performing the same function of three valves all together and allows a full safety on the line during maintenance operations, not to consider the important reduction of the leakage points on the line. DBB/SBB valves can be used for CHEMICAL INJECTION AND SAMPLING (through a quill), PRESSURE CONNECTIONS (instrumentation mainly), PROCESS ISOLATION (located in the primary process stream). Starline SBB/DBB valves are designed following the highest safety and quality standards and to meet the most stringent requirements from the end users. Features like Anti Tamper device are standard in our construction. Starline performs in its facilities different non-destructive testing like ultrasonic, penetrant test, magnetic particles as defined by ASME B16.34. Starline personnel performing NDT is trained and qualified to EN 473/ ASNT-SNT-TC-1A. DBB/SBB valves are tested according to API 598 testing procedure and the testing include the bleed functionality. In case of API 6A DBB valves, PR type testing and production testing up to PSL3G are available. DOWNLOAD AREA Download SBB-DBB Ball Valve Catalogue DOWNLOAD HIGH QUALITY Size: 6.58 MB DOWNLOAD LOWER QUALITY Size: 1.42 MB PREV NEXT Starline’s philosophy is based on the achievement of the standardization of the highest quality requirements in each single product. All materials used are produced in Western Europe and all forging companies are located in Italy. A product fully made in Italy. STARLINEAR Starline’s augmented reality app Read more NEWS Total Approval of Starline's Fire Test Bench 8 October 2021 Valve Campus Birthday 12 January 2021 Karish and Tanin 25 October 2019 CONTACT Address: Via dei Livelli di Sopra 11, Costa di Mezzate (BG), 24060, Italy Phone: +39 035 958041 Fax: +39 035958413 Email: starline@starline.it Website: www.starline.it SOCIALS Contact Us Work With Us Disclaimer Credit Starline S.p.A. © 2021 P.IVA IT03587330162 - Privacy Policy Our website uses cookies from third party services to improve your browsing experience. Read more about this and how you can control cookies by clicking "Privacy Preferences". Privacy Preferences I AGREE