STERLING Valve Automation, a division of Spartan Controls, is the leading provider of pneumatic actuation, emergency shutdown valves, and automation solutions in Western Canada. Our valve automation centre, located in Edmonton, Alberta, provides around-the-clock access to Canada's largest actuator and accessory inventory.

Sterling Hydraulics is part of Parker Hannifin, the world's leading manufacture of motion control components and systems. The company based in Crewkerne, Somerset is now the Divisional Headquarters of the Hydraulic Cartridge System Europe Division of the Parker Group (HCSE). HCSE is a leading designer and manufacturer of hydraulic cartridge valves, including pressure and flow control valves, load control valves, solenoid valves and proportional solenoid valves. We are experts in the design and manufacture of Custom Manifold Blocks and are renowned for working closely with our customers to find the best solutions for their specific hydraulic requirements. Based in the UK with further facilities in Boras, Sweden and Chomutov in Czech Republic. HCSE supports a global distribution network to ensure advice and product support wherever you are in the World.

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美國STERLING線圈、STERLING方向閥、STERLING真空泵、STERLING壓力調節閥、STERLING順序閥、STERLING單向閥、STERLING負載控制閥、STERLING安全閥、STERLING梭閥、STERLING減速機等產品。STERLING是全球最著名的閥門自動化產品製造商之一，至今已有40多年的曆史。STERLING產品被廣氾應用於：數字網絡技術， dvc6000精度高，定位器，電動液壓驅動閥，地下的安全閥門控制器，電子鑽井嗆控制和高壓力的空氣污染指數的閥門自動化封裝。部分型號列舉：CCP230M，CCP115D，CCP115P，CAP230M，CAP230D，CCS230D，CCS230M，CCS115M，CCS115D，CCP230D，CCP115M，PAT 5002253等。