• pig signaller

pig signaller

It Used to install the ball on the pipe, check Test whether the pig through
flange and weld


Product Details

Quick Details Parameter

Brand Name: WS : Place of Origin: Liaoning
China (Mainland) : Model Number: QDQ-III


Product Description
Type of indicator 
Mechanical/visual pig passage indicator
Installation location
pipelines, intermediate pipelines.
Installation type
With Flange pipeline fixing.
Installation procedure valve isolation
Tip of pig indicator
 conical shape.
Max. Working pressure
   According to the customer request


Pig signaller with ball valve


Manual reset visual pig signaler with a flag for use in natural gas pipelines.

The signaller equipped with a ball valve so that the signaller can be removed for maintenance while the line is under pressure.


Company Profile

Shenyang Wensheng Instrument Equipment Co., Ltd. is a joint-stock company with the combination of production and research. Our products mainly include pipeline-cleaning instruments, supporting instruments and non-standard pipeline instruments in petrochemical, petroleum and other industries. In 2003 we passed ISO9001:2000 quality system certification, and successively obtained Admission Certificate of the Material Market in all main domestic oil and gas fields.

Our company, with an area of 7,000sqm, owns complete production equipment and perfect detection means. Besides, the main technology indicator and performance of products have reached domestic advanced level. Among those, LSM type of wheel-paddle translational sealing quick opening closures, pigs with supporting-wheel, and diameter-changing pigs have been granted national patents. They are widely applied in oil fields, petrochemical industry, and other industries like city gas and water supply.

Our enterprise spirit is: to satisfy our clients with advanced and reliable technology as well as prompt and considerate service. We regard product quality and after-sale service as the life of an enterprise, so we establish a quality control and service management system. We require every employee to be a qualified production technician as well as a good after-sales service staff. All products are provided to realize a successful production. In the pipeline industry we enjoy an excellent reputation.

Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs.

We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
Shenyang Wensheng Instrument Equipment Co., Ltd.


Post Buying Request

  • * Country:Please select country
  • * Title:Please input title
  • * Message:Please input message
  • Your message must be between 20-8000 characters
  • * Your Email Address:Please input Email
  • Your email is also your login ID