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Measuring PVC Pipe Valve Actuation Torque

In this Mecmesin case study, a PVC water pipe valve’s torque to turn was measured for production line QC checks. A custom, portable jig for different sized samples with a digital readout enabled quick inspections.

Specification

Nawaplastic Industries (Saraburi) Co. Ltd. manufactures and distributes a wide range of PVC pipes, components and fittings and associated products and services in plumbing, drainage and agricultural applications. The lightweight, corrosion-resistant products are used in many environments and confined spaces, and a user must be able to turn the flow adjustment lever with ease while the valve itself exhibits effective material strength and sealing properties.

To meet their own customers’ requirements, the company required a testing solution to enable rapid and accurate quality control checking of the actuation torque to turn on several water valve designs. A variety of pipe bore dimensions and control lever configurations were manufactured at the same production facility, and a portable, versatile testing station was needed.

AFTI-stand-and-pipes
The torque tester accommodates all sizes and designs of PVC pipe.

Solution

Mecmesin Thailand supplied a ‘Smart’ Static Torque Transducer of appropriate capacity and an Advanced Force and Torque Indicator (AFTI) to measure and display the test readings. In addition, a specially designed fixture and a stand were made to support a variety of valve sizes, and the whole unit was small enough to be easily portable for point-of-production quality control inspections.

System

 

Mecmesin is a leading global designer and manufacturer of force, materials and torque testing solutions for quality control. Products include compression, flexure, friction, peel, tensile, torque and top-load testers, used to ensure the quality, strength, performance and usability of components. Visit Mecmesin’s website to view the full product range.

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