PVC Valves – Purpose and Features Compared to Metal Valves

Over the a long time, polyvinyl chloride (PVC) valves have penetrated both industrial and domestic domain names. PVC valves made with suitable additives offer the preferred bodily and chemical compatibility. Although they have restricted use in excessive temperature applications, advances in PVC technology have enabled manufacturing of the valves with affordable tolerance to medium variety temperatures. In a similarity with their steel counterparts, plastic valves are machined using comparable CNC machining centers and lathes, however the elements of the PVC valves are joined using threaded joints or cement or mounted the usage of fasteners. They can be set up with very little extra assist from wrenches Finetek.

Purpose of PVC valves:

One of the maximum not unusual motives for the failure of traditional metallic-based valves is corrosion. Corrosion impacts industries which includes chemical processing, nuclear power generation, onshore and offshore oil and gasoline, underground pipeline, water remedy, sewage managing and treatment, highway protection, aviation, and metalwork. Moreover, options for a corrective motion or a preventive action are limited. Pervasive nature of corrosion in certain industries made them search for alternative alternatives which includes PVC valves as they had been virtually unaffected through corrosive atmosphere. Furthermore, easy surfaces are immune to scaling and permit better flow fees, at the same time as outside surfaces require no additional coating to guard the shell from environmental damage. PVC valves ward off any organic increase, making it appropriate for ultra-pure applications which includes semiconductor fabrication and manufacturing of polymers. Servicing of the plastic valves is tremendously simpler seeing that no unique equipment or tackles are required to disassemble the valves and lets in on-web page servicing requiring minimum downtime. These capabilities made it acceptable in a few industries.

Features of PVC valves:

As mentioned earlier, PVC valves offer non-corrosive, non-contaminating, and clean surface for system fluids. Apart from these residences, they’re lighter in weight than metallic valves of similar sizes. The PVC valves offer resistance to acid together with corrosion and they repel any formation of scale on the surface because of their smoothness. In assessment with metal valves, integration with plastic pipes and fixtures are easier with PVC valves. According to the life cycle evaluation of PVC commissioned by way of the European Commission, the average lifecycle of PVC water pipes range everywhere between 40 and eighty years and thereby a conservative estimate of the PVC valves’ existence cycle is near 10-20 years. This compares favorably to different options due to their use of lesser non-renewable resources i.E. 57% of PVC is derived from salt and the remaining forty three% is acquired from oil/fuel. Most of the PVC valves can manage strain of up to a hundred and fifty lbs/squarein, which is decrease for maximum piping sizes within the time table 80 threaded piping system. Due to presence of greater than fifty percent chlorine in the PVC, PVC valves are fireplace-resistant. Even while the valves are burned, they emit hydrogen chloride gasoline that prevents oxygen from accomplishing the surface and thereby prevents quicker reaction. The valves offer wonderful chemical compatibility with salts, alkalis, oxidizing sellers, and acids. In addition, they offer affordable compatibility with organic solvents. Since PVC has easy processing traits, the favored specification for the valves may be executed. PVC valves are quite extra cost powerful than steel valves due low weight and decrease charge of base cloth. These valves also are quite resistant to extremely violet rays, which makes them suitable for UV touchy programs together with photographic cloth. Their no-reaction function with maximum natural and non-organic fabric makes them suitable for handling scientific and physical fluids.


The PVC valves have penetrated each the home and business market because of their overall performance traits and advantages they provide over the valves comprised of different materials.