As we all know, a valve is a device that helps the user to control the flow of the gas or liquid. The valves may control the flow either automatically or manually by opening, closing or partially shutting the passageway. These mechanical devices have become an important tool in piping systems.

 

Valves are an integral part of our daily life. Valves have a wide range of domestic as well as industrial applications. There are different types of valve, some with a pressure relief device, some to be used with liquid, gases or slurries. Valves basically regulate the flow. 

Types of valves

The most common types of gas cylinder valves are ammonia, chlorine, CNG valve, ASB valves,  packed valves, valves with a diaphragm, gate valve, globe valve, line valve, fuse valve and LPG valve to list a few. All the valves have a specific design and application.

The material used to make ASB Valves

ASB Packed Valves

Various metals are used to manufacture valves:

Aluminum: resistant to corrosion, non ferrous metal with a chemical weight 1/3^rd of that of steel

Copper: excellent thermal and electrical conductivity property, corrosion resistant and highly ductile which makes it an ideal material to use for valves that function at higher temperatures

Bronze: it is the first alloy developed and widely accepted for pressure valves and fitting as it has a higher strength than copper. Easy to join and highly resistant to pit corrosion

Silicon Bronze: highly ductile, corrosion resistant and much higher resistance to stress cracking makes it an ideal material for stem in the valve manufacture

Aluminum Bronze: is widely used to make disc in butterfly valves. It is heat treatable, corrosion resistant and very strong, though cannot be used for applications with high pH

Brass: good machinability and corrosion resistant, which makes it the commonly used material for valve and stem in ball valves

Alloys of iron: these are gray iron, ductile iron, cast steel, nickel plated ductile iron, which is used to make valves that are used in pressure vessels. For bonnets, stem and bodies in gate, check or butterfly valves

ASB packed valve is made aluminum, silicon bronze valve that is used in the following applications.

•        Liquid or gas chlorine
•        Insecticides and fumigants
•    Bleaching agents

The body of the ASB packed valve is resistant to corrosive gases. You may choose a ASB Valve with a pressure relief device or without one. This depends up on your applications.

What features to look for in an ASB packed valve or a CGA valve

•          Bonnet assembly
•          Reliable dual backup ring design
•          Innovative design of the valve
•         Industrial strength
•         Reduction in stress zones

It is advisable to purchase the valves that are manufactured by well reputed companies and distributed by leading online portals like JTC Valve sales. Your safety is assured when you buy from a renowned portal as valves approved by the CGA are stocked here. Find the right ASB valve or CGA valve right here and be assured of the best quality product at most competitive rates. Click here to order now. 

Source: https://jtcvalvesales.wordpress.com/2015/12/04/asb-packed-valves

All You Wanted To Know About Acetylene and Acetylene Valves

Acetylene is an unsaturated hydrocarbon called alkynes or acetylenes. The usefulness of Acetylene due to the variety of triple bonds it forms as well as the weak hydrogen atoms are replaceable with strong alkalies to form acetylide salts.

Acetylene is a compressed gas that is stored in the liquid state and used as a fuel. When the cylinder valve is opened, the pressure is released and that portion of the liquid gets converted into gas. The tank should always be in an upright position with the acetylene valve end up for the acetylene cylinder to work properly.

Acetylene is a colorless gas which has a pleasant odor and is prepared by reaction of water with calcium carbide and contains traces of phosphine imparting it a garlic-like odor. It is also produced by passing a hydrocarbon through an electric arc or by partial combustion of methane with oxygen or air. Pure acetylene when under more than 15 pounds psi pressure or in a liquid state or solid form explodes with extreme violence

Industries where acetylene is used

Acetylene is used in the automotive and transport equipment industry. It is a key component in automotive manufacture as it provides a precise source of carbon for low pressure carburizing.

Acetylene is widely used in metal fabrication, welding and cutting processes due to its property of flame temperature. it is lighter than air so it does not collect at the bottom.  

Acetylene is also used in the aerospace and aircraft, glass, pharmaceutical and biotechnology industry.

Storage and safe use of acetylene

With such a wide application that acetylene has in various industries, it is very important to understand the gas and use it safely to prevent accidents. 

• Always store and transport acetylene cylinders in an upright position
• Use good quality cylinder valves that are designed to arrest flashback
• The operator must be trained to use this gas safely

 Acetylene valves

For the safe use and storage of acetylene, the best quality acetylene valves must be used.  The compressed gas association has defined standards that have to be adopted for acetylene cylinder valves. The different types of acetylene valves available are either operated by hand or with a wrench.  The placement of the outlet may differ, which provides flexibility of use. Acetylene valves are usually made of brass, which offer safety and durability. The O ring and the seat placement ensure the cylinder valve is leak proof, while the bonnet nuts are secured with a pin for guaranteed tightness.

JTC Valve Sales are the leading stockist for acetylene valves that are manufactured in the U.S.A. The range of valves, regulators and safety devices available here are of the highest quality, manufactured as per CGA specifications for your safety. The complete range of valves, cylinders, regulator and pressure devices are available here and available definitely at the warehouse. No matter what cryogenic, medical or industrial gas related valves you are looking out for, you will find all here that too at the most competitive prices with free shipping options too. Visit JTC Valve Sales now!