Alstern At A Glance
Alstern At A Glance
Alstern group was founded in 2004. Our business scope involved providing pipeline related products and services to customers in the Chemical & Petrochemical, Power generation, Pharmaceutical, Water utilities and Facilities Management Industries etc.
Our Business
Alstern Technologies Group is a specialized pipeline solutions provider focused on piping, pipeline integrity, maintenance and online modifications. We supply a comprehensive range of services and products which are used in piping inspection, intervention, isolation repair, connection and testing work scopes.
Video panel
Video panel
This video describe how Alstern Hot Tapping, Double Line Stop perform with By-pass line without interrupt the flow of water inside the pipe.
Hot Tapping is a method of employing an under pressure drilling machine to cut a hole in an operating pipeline or storage vessel which allows for a new branch connection from the existing pipe or vessel without any interruption to the flow.
Pipe freezing is method to freeze the content of a section of pipe by applying cryogenic (i.e. very low temperature) freezing agent in a controlled manner. when the ice plugs are formed maturely, maintenance works to the pipe can be carried out between the ice plug without draining massive amount of pipe fluid.
Line Stop is a method that temporarily stops the pipe flow in a section of the pipe so as to allow for alteration and addition works to be carried out at the downstream of the pipeline; without stopping or purging the system.
We offer a range of proven maintenance and repair products that are unique in pipeline services. These products eliminate or minimize the cost of plants and equipment downtime.





Copyright © 2004 Alstern Technologies. All Rights Reserved.
Legal | Privacy Policy

Hong Kong Office

Alstern Technologies (HK) Ltd.
Address: Unit 2, 26/F, Global Gateway Tower,
63 Wing Hong Street, Cheung Sha Wan, Kowloon, H.K.
Tel: +852 2647 8163
Fax: +852 2647 4163
Email: enquiry@alstern-technologies.com.hk