Valves Reference Materials

Description: Street sweeping machines that work in tandem with conveyors are a more efficient way to collect asphalt millings and other debris during the roadbuilding process. A single broom with a conveyor ...

Description: After surveying key customers, MEC discovered an industry need for a new machine with a platform the size of a double deck scissor, which combined the capacity of a telehandler and the dexterity of a ...

Description: Some of us work better under pressure, while others like a longer, more drawn out process to stay in control. The same goes for materials as they pass through a conveying system. An airlock keeps ...

Description: Deflagration is a form of combustion that occurs when a heat source moves over and ignites cold materials (i.e. combustible dusts), creating a very fast moving fire. Deflagration fires are very ...

Description: Each component of a pneumatic conveying system is necessary to keep your products flowing, and your employees safe on the plant floor. ...

Description: Leakage in solenoid valves are classified as external and internal. External leakage is generally easy to identify and eliminate. The majority of external leakage comes from degraded O-ring seals, ...

Description: The commercialization of space in the United States has created a competitive market in a sector where qualified, incumbent designs were, previously, difficult to displace. The creation of new rocket ...

Description: A common method to provide remote position indication in solenoid operated valves (SOV) is to use non-contact reed switches in conjunction with a permanent magnet. This article describes some common ...

Description: Power generation is the production of electricity from sources of primary energy; for utilities, it is the first process in delivering electricity to customers. ...

Description: While most airlocks can be classified as a type of feeder valve, not all feeder valves are airlocks. This means using the same methods to size all of your feeder valves could be resulting in a ...

Description: This paper explains how the Ultimus( TM) V High Precision Dispenser and Optimeter (TM) maintain consistent shot size in time-pressure dispensing processes as the fluid viscosity and volume of fluid ...

Description: The TPP is a free trade agreement that completed negotiations on October 4, 2015. Negotiations were done in secret and an official document has not been released. The agreement involves 12 countries ...

Description: Any piping system with valves which are subject to the following conditions or concerns will be excellent candidates for automated valves. ...

Description: Traditional blow-through valves are ideal for pneumatic conveying, unless you're conveying abrasive or sticky material. In those cases, blow-through valves wear out really fast. ...

Description: Our live webinar on May 14, Understanding Airlocks, concluded with a lively Q&A session. In case you missed it, here are the questions that were asked, along with our answers ...

Description: Rotary airlocks are designed to keep a consistent pressure differential, so material can travel efficiently through the pneumatic system. They do this by "locking" or sealing the airflow between the ...

Description: Though sometimes treated like an afterthought, coatings are an important feature in your rotary valve. ...

Description: You've probably heard the proverb, "I'm not rich enough to buy cheap things." That's how we believe all businesses-including our own-should approach equipment purchases. We know it's tempting to go ...

Description: All screwed end RuB ball valves have male or female NPT pipe threads which are made in strict accordance with ANSI/ASME B1.20.1. The following data is extracted from that specification. ...

Description: TECHNOGRAM 09 - Comparison of Valve Body Materials. ...

Description: As you can imagine, there are special specs covering valves and piping which handle hydraulic fluid for hydraulic elevators. ASME A17 and Rule 1302.5a are two that we have encountered. If the customer ...

Description: As the use of E85 Fuel spreads we are getting increasing inquiries about the compatibility of RuB valves with this fuel. Ethanol E85 is roughly 15% gasoline and 85% ethanol (ethyl alcohol). ...

Description: Occupational Safety and Health Administration ("OSHA") regulations include one section (Part 1910.147) which deals with safe means for de-energizing and "locking out" machines and equipment so that ...

Description: As the natural gas distribution industry switches from the traditional iron plug valves to brass ball valves some gas utilities have expressed concern that the brass valves will cause galvanic ...

Description: RuB forged brass ball valves have handle nuts according to the following table. ...

Description: As RuB is selling electric actuators, and electric solenoid valves for our pneumatic actuators, the question of NEMA (National Electrical Manufacturers Assoc.) ratings comes up. ...

Description: The most frequently asked question about RuB valves is "what is meant by the marking '600 CWP' on the valve bodies?" Although CWP has been the preferred marking on valves and fittings for about 60 ...

Description: In systems where fluids are carried in copper tubing (rather than in steel pipes) the normal manner of connecting the tube to valves or fittings is soldering. However the strength of these connections ...

Description: RuB standard ball valves are excellent for vacuum service. They can be used for vacuums down to .0008 inches of mercury. A pretty low pressure! Not exactly outer space, but getting close! ...

Description: RuB ball valves have a unique feature which gives them substantial performance advantages over many other ball valves. The lip portion of the teflon® seats in all RuB ball valves is free to flex. ...

Description: RuB uses five different stem packing designs on its different brass ball valves. The most important distinction between these is the sealing material - which is either PTFE or FPM. ...

Description: RuB ball valve styles which use teflon stem seals (s.40, 42, 70, and 92) are rated at 150 psi WSP (Working Steam Pressure). But our valve styles which have FPM (like DuPont Viton®) stem seals ...

Description: Although the vast majority of ball valves are simple 2-port valves, there is a market for multi-port valves too. In certain types of industrial application they offer advantages over the straight ...

Description: Why cast brass or cast bronze valves are usually made heavier than forged ones. ...

Description: One of the key advantages of a ball valve over older types (such as conical plug valves, which are the traditional valve used for gas meter sets) is that the ball valve seals absolutely bubble-tight ...

Description: There are several different measurements of pressure which we encounter from time to time. This technogram will explain them, and give their relationship to each other so you can convert from one to ...

Description: RuB ball valves are approved under several different specs, each of which requires us to put certain markings on the valve. ...

Description: RuB manufactures a variety of pipe threads, American and international, male and female, long and short. To understand the differences, and to help you answer customer questions or inquiries for ...

Description: Many people in the valve business are confused by two specs commonly used for stainless steel valves - CF8M and 316. The confusion is compounded because people often use "316" when speaking of ...

Description: The majority of SAGD facilities will use once-through steam generators (OTSG) for their steam production. The steam from these OTSGs is piped to steam letdown valves, which drop the pressure to ...

Description: The valve was designed to supply 750#/hour with one set of jets in service, and 1500#/hour with two sets of jets in service. The original sizing of the orifice was ¼", however evaluation of the flow ...

Description: When sports fans crave game highlights or need to check the latest stats and ranking for their favorite teams, they turn to this large sports entertainment complex. This cable channel has been ...

Description: Industry Guide to terms most commonly used in the manufacturing, assembly and operation of Valves and Valve Accessories. ...

Description: Overview of custom fabricated globe-style control valves for quick turnaround of exotic alloy products. ...

Description: Moody Air Force Base in Georgia invited Advanced Valve Technologies for a day-long training session that might include a live EZ™ install and they were surprised by the outstanding results. ...

Description: A leading international semiconductor manufacturer recently cut out and sent a section of pipe to Plast-O-Matic complaining of a leaking check valve, pointing to cracks on both the inlet and outlet. ...

Description: The term hazardous location once meant a place within a petrochemical or some other equally volatile plant. Today, hazardous manufacturing processes include coatings, adhesives, and flammable liquids ...

Description: Article gives a history of ball valve design and development and explains how porting effects flow and performance. Full, standard and reduced port valves are explained in great detail. ...

Description: High Speed Piezoelectric Jet Valves Offer New Modular Dispensing Solutions ...

Description: Replace a cumbersome hose system and automate the process of conveying multiple materials to a common destination ...

Description: Purchase a slide gate that is abrasive resistant and seals material ...

Description: To maximize your viewing experience of this digital publication created with FlippingBook Publisher 2.4.16, we recommend installing Adobe Flash Player Plugin. This installation will only take a few ...

Description: Valve between produce receiver and rotary valve ...

Description: Shut off product beneath truck loading silos ...

Description: Prevented overtopping of tanks and the wasting of water, as well as prevent un-checked flow from the high tank to lower tanks in the even of a major water break ...

Description: Application: Utilize slide gates to batch weigh different materials. Challenge: The slide gates need to address material differences and customer requirements. ...

Description: This paper provides readers with an overview of the design challenges involved with Capnography Equipment. These challenges include the increased need to make portable devices that deliver instant ...

Description: The molecular sieve dehydration unit is an important process in any plant that uses natural gas as a feed stock. These units are critical in drying natural gas and the processes that follow such as ...

Description: The heating process was completed within 12 seconds, faster than the client's gas torch and more reliably. Without flame, induction helps create a safer, cooler working environment. ...

Description: Description and case studies of a proprietary metal hardening process involving diffusion of boron into a base metal to create a metallurgical shield that effectively counteracts abrasion and ...

Description: As more and more natural gas is produced and brought to market around the world, gas handling, processing, and distribution systems must respond by pushing the envelope to ensure maximum capacity ...

Description: There are lots of liquid collection points in a compressed air treatment system. Moisture separators. Coalescing filters. Wet receiver tanks. Dryers. All of these must be drained. It seems like an ...

Description: It behooves all parties involved to ask a few simple questions, and prevent the mistakes that can lead to disaster in a flow control system. ...

Description: Valve Pressure Loss & Flow - Q&A and Equations ...

Description: Until recently, specifiers and users of even the best traditional valve technology had to accept certain limitations. For instance, flow rates were relatively constrained, so throughput was ...

Description: Fail-Safe Valves Explained ...

Description: PRIMER AND/OR SOLVENT CEMENT/GLUE USED IMPROPERLY WILL PERMANENTLY DAMAGE A PVC OR CPVC VALVE. ...

Description: WHAT styles of solenoid valves are available? HOW do they operate? ...

Description: Do's & Dont's for making threaded connections in thermoplastic valves ...

Description: Trunnion Design Explained ...

Description: Valve Terms & Acronyms Explained ...

Description: While conventional modular gas valve designs are popular and effective, the latest generation of valves has even more dramatic improvements. Recent technological advancements - in models such as new ...

Description: Eliminating stiction and reducing maintenance time and costs, Parker Hannifin provides the right solution for this rice cake manufacturer. ...

Description: Implementation of state of the art automated laboratory research and computer or microcontroller controlled instrumentation technology has always been restricted by conventional valve technology. ...

Description: This document explains: I. WHAT styles of Relief Valves are available? II. HOW do they operate? III. WHERE would I use a Relief Valve? ...

Description: Learn how to disassemble the 3A Sanitary valve by Check-All Valve. The electropolished stainless steel check valve for your sanitary needs. ...

Description: Zone valves. Ball valves. Globe valves. Butterfly valves. These are the control valves used in HVAC today. Whereas zone, ball, and globe valves are used in small valve applications, butterfly valves ...

Description: Something is hissing, hammering, frozen, roasted, or short cycling. Another service call is dispatched to that building. If it's not noise, it's complaints about being hot or cold, but the controls ...

Description: Normally selected "line size" to keep pressure drop at a minimum. If desirable to reduce valve below line size, then 10% of "available pressure" normally used to select valve. Usually selected to take ...

Description: When the design of variable flow hydronic systems was initiated 30-40 years ago, very little emphasis was placed on the selection of the modulating two-way coil control valves. The existing valve ...

Description: Valves, such as common globe, butterfly, and ball valves, that performed satisfactorily for constant flow or variable flow primary-secondary systems generally are not satisfactory for primary-only ...

Description: Many times people with a metal piping system are attracted to a plastic valve or strainer because of its low cost compared to a stainless steel or bronze one. And also for all of the benefits plastic ...

Description: Pipe is one of the more common types of plastic product we are familiar with. Pipe is produced by an extrusion process. Basically extrusion can be defined as forcing a material through a die orifice. ...

Description: Hit and Hold Circuits Overview describes an option that customers can use to overcome heat dissipation. ...

Description: On-board pneumatically controlled valves have all the air control lines bused to one edge of the card, and interface through a gasket to a manifold. This makes it simple to create a cartridge carrier ...

Description: A great deal has been written about energy saving architecture and fluid systems, and the results of "green" endeavors are well known. It is now appropriate to look at additional untapped energy and ...

Description: In process industries, valve applications offer many challenges: corrosion, abrasion, pressure shock waves, and temperature shocks, just to mention a few. Less frequently but often with more critical ...

Description: The proper choice of a spraywater control system can save a power plant millions of dollars annually in fuel costs. A utility survey covering fossil generation units determined that a mean heat rate ...

Description: These circuts show a few of the many useful ways to use Clippard Minimatic modular components in practical pneumatic circuitry. The drawings presented here are combinations of ANSI and pictorial ...

Description: The paper presents a new generation of proportional and servo valves with integrated digital electronics. The micro controller allows with its free programmable signal processing options a significant ...