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MGB series Hopper Discharge Feeder

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MZA/K Series Circular Vibrating Screen

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MF Series Fixed Shaft Circular Vibrating Screen

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MC Series Single-Cylinder Hydraulic Cone Crusher

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MJ Series Jaw Crusher

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MS Series Triaxial Horizontal Screen

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MGD Series Vibrating Feeder

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Types of pressure valves used in the field of mining

  • VALVES FOR MINING INDUSTRY - Tecofi

    The butterfly valve is a 1/4 turn valve which also allows you to do regulation. These valves are especially adapted for general uses and non-viscous industrial fluids. The pinch valve is a full bore valve that shuts via manual handwheel or via pneumatic air.

  • Types of Pumps in Oil and Gas Industry Upstream

    Diaphragm pumps are one of the most versatile types of oil and gas pumps in the industry and transfer fluid through positive displacement with a valve and diaphragm. The working principle of this pump is that a decrease in volume causes an increase in pressure in a vacuum and vice versa.

  • Types of Pressure Relief Valves and Their Recommended

    Types of Pressure Relief Valves and Their Recommended Applications. A pressure relief valve is a safety device that protects a pressurized vessel or system when the pressure isnt at the right level. This type of valve opens when a pressure level is reached in order to release the pressure, thus preventing damage to the system or other areas.

  • Oil Field Drilling rig Equipment complete list

    Can you send me one compete rig equipment and name of it with types of oil with which hose will be used to drill oil. 24. Waters International Says: October 13th, 2019 at 10:20 pm. Thankyou for compiling a list like this! Being an oil field equipment supplier myself, I can understand the value of a list like this. Good post! Leave a Reply

  • of Pressure-Reducing Valves - Elkhart Brass

    The most-common approach to pressure control is the use of direct acting pressure-reducing valves on each floor. These valves reduce the excess pressure from single zone supply risers and are either adjustable or the fixed reduction type. There are also less common and usually more-costly approaches to high-rise pressure control. One such approach

  • Valves for Slurry Transport - Mogas

    small drain valves and high pressure block valves are just some of the types of mining valves MOGAS designs and manufactures. In the metals and minerals market, valves must operate dependably for long periods of time. Rugged forgings with severe service metal balls and seats ensure a reliable operation for handling particulates and sludge.

  • Different Valve Types, Applications & Suitability

    Oct 26, 2016· GLOBE VALVES. Globe/Stop Valves: - The flow path through globe valves follows a changing course, thereby causing increased resistance to flow and considerable pressure drop. Because of

  • Types of Choke Valves in Oil & Gas Operations

    Mar 05, 2020· The choke valve in an oilfield heater, wellsite separator, and other oil and gas equipment is similar to the positive choke. It replaces the bonnet assembly and comes with a plug assembly and adjustable rising stem that seats into the bean. This allows the operator to adjust the pressure and flow according to the requirements of the process.

  • 5 Types Valves Every Oil Gas Engineer Must Know - GND Supply

    Nov 08, 2017· Check valves are mainly used in compressors and pumps, where there is a huge backflow of fluid. The backflow may damage internal components of the piping system. This causes unnecessary downtime and may affect other parts of the plant, too. Stainless steel check valves are very popular types in this category. Globe Valves: The valves are used

  • OilPro » Pressure Safety Valves- Protecting People and

    Oliphant describes the second type of valve as, Automatic pressure relieving devices actuated by static upstream pressure. They are used for air and steam service and usually have two adjusting rings and a lift lever on top of them. These valves make an audible POP sound when they give way. According to Oliphant, the last type of

  • Upstream Oil & Gas - Severe service valve for high

    The valves are available in a wide variety of sizes and materials and in ANSI pressure classes 150-4500 and API 5,000 20,0000. Bi-directional and double block and bleed configurations are available. ValvTechnologies valves used in oil and gas applications are

  • Types of Valves Used in the Oil & Gas Industry

    Sep 20, 2017· The ASME valve standard B16.34 is a globally accepted standard to design, manufacture and test valves used in the oil and gas industry. ASME B16.34 is also mentioned in the more general ASME spec ASME B31.1, Power Piping Design.. Back in 1988, the scope of this standard was modified to include threaded-end and weld-end valves in addition to flanged-end valves.

  • Pipes, valves and fittings Dairy Processing Handbook

    A valve often used is the constant-pressure valve (Figure 6.8.20). Compressed air is supplied through a reducing valve to the space above a diaphragm. The air pressure is adjusted by the reducing valve until the product pressure gauge shows the required pressure. The pre-set pressure is then maintained regardless of changes in the operating

  • Flow Control Valves: What are the Most Common Valve Types

    Jan 24, 2021· Diaphragm valves are characterized by a flexible disc that contacts a seat at the top of the valve body and forms a seal. The diaphragm is flexible and pressure-responsive; it transmits force to open, close, or control a valve. While diaphragm valves are related to pinch valves, they use an elastomeric diaphragm rather than an elastomeric liner in the valve body.

  • Mine Services - Water Introduction underground COAL

    Water. Large quantities of water are used in mining operations for cooling machinery, dust suppression, cleaning, fire-fighting and drinking. Water supplies are normally carried in steel pipes from surface to points close to the work places, with flexible hoses used for the final connections.

  • Unit 25 Flashcards Quizlet

    Technician "B" says that the crankcase pressure regulator is used to keep the low-temperature compressor from overloading on a hot pulldown. Which of the following statements is correct? Two types of relief valves are the spring-loaded valve and the _____ valve. one-time One time which is the valve's inlet pressure, and the valve's

  • Solenoid Valves Types, Principle & Animation

    This type of valves need for opening and closing minimal differential pressure know as minimum working pressure. This pressure varies from 0.1 to 1 bar, depending on the dimension of the valve. Same size of coil can be used for operation of valves with different dimensions, because the diameter of the pilot seat remains the same for

  • Introduction to Pressure Relief Devices - Part 1

    Lifting mechanisms are used to open the pressure relief valves when the pressure under the valve disk is lower than the set pressure. These mechanisms are available in three basic types: plain lever, packaged lever and air-operated lifting devices. Bolted caps are available for standard pressure relief valves in addition to the screwed caps.

  • Back-Pressure Valve installed in tubing hangers

    Nov 28, 2018· BPV is commonly used during the nipple down and up of the drilling BOP stack, nipple up or down of Christmass trees, test the Christmas tree (2-way check valve), and during the replacement of the master valve.. NB: A two-way check valve is designed to fit the same profile as the BPV. It holds pressure from both directions while allowing equalization when required and is used to test the tree

  • Types of Valve used in Piping - Learn about 9 Types of

    May 22, 2018· Learn about 9 Different Types of Valves used in Piping such as Gate Valve, Globe Valve, Check Valve, Plug valve, Ball Valve, Butterfly Valve, Needle Valve,

  • Weir Simplified Frac Iron System

    Field-tested, field-proven In a recent field test, the pressure-control components of Weirs Simplified Frac Iron System lasted more than three times longer than a competitors previous configuration, which also featured a single-line zipper tie-in.

  • What Is The Use Of Valves For Mining? - Articles Factory

    The segmented valves The Segmented Ball Valve is another type of valve that is normally used in industries with the primary purpose of controlling the flow. They are quarter-turn control valves for accurate throttling control of the fibrous suspension applications plus clean, dirty viscous and corrosive liquids and gases.

  • Pressure - Reducing valves and its Applications

    Pressure reducing valve is a type of pressure control valve. This type of valve is used to maintain constant reduced pressure in a pipeline where the flow is fluctuating. This type of valve (which is normally open) is used to maintain reduced pressures in specified locations of hydraulic systems.

  • Pressure Control Valve- Types , Symbol ,Application

    Pressure Control Valve- Types , Symbol ,Application. Introduction to Pressure Control Valve: Hydraulic energy is produced as long as the prime mover (usually an electric motor) drives the pump, and hydraulic pressure develops by resistance to pump flow.Hence, the hydraulic system suffers damage if the pump flow is not stopped or off loaded (recirculate) back to the tank during non-action

  • Mining - Dorot Control Valves

    Dorot mining valves are used to control the ores- eaching process, in mines of various materials. The Automatic valves replace the manual ones in numerous control applications, such as Pressure Reduction, Local Controller-Activated Start / Stop of the leaching, Remote Control, Pipelines Flushing etc.

  • Process control - Wikipedia

    Automatic process control in continuous production processes is a combination of control engineering and chemical engineering disciplines that uses industrial control systems to achieve a production level of consistency, economy and safety which could not be achieved purely by human manual control. It is implemented widely in industries such as mining, dredging, oil refining, pulp and paper

  • List of valves - OilfieldWiki

    Valves can be categorized into the following basic types: Ball valve, for on/off control without pressure drop, and ideal for quick shut-off, since a 90° turn offers complete shut-off angle, compared to multiple turns required on most manual valves.; Butterfly valve, for flow regulation in large pipe diameters.; Ceramic Disc valve, used mainly in high duty cycle applications or on abrasive

  • List of valves - Wikipedia

    Pressure Reducing Valve, to regulate the pressure of the fluid. Safety valve or relief valve: operates automatically at a set pressure to correct a potentially dangerous situation, typically over-pressure; Sampling valve; Specific types. These are more specific types of valves, used only in particular fields

  • Isolation Valves MOGAS

    MOGAS standard metal-seated isolation and rotary control ball valves range in size from ½42" and are available in 150 to 4500 ASME pressure classes. Larger sizes and unique material requirements are available upon request.

  • Pressure regulator - Wikipedia

    A pressure regulator is a valve that controls the pressure of a fluid or gas to a desired value. Regulators are used for gases and liquids, and can be an integral device with a pressure setting, a restrictor and a sensor all in the one body, or consist of a separate pressure sensor, controller and flow valve.

  • Valves for abrasive applications - Weir Group

    slurry valves for a wide variety of applications in many industries. Mining and Minerals Processing Isogate® slurry valves operate in some of the harshest and most demanding environments across the globe. Our valves are used in a wide range of minerals processing and metallurgical applications in basic metals production (copper, nickel, iron);

  • Types of Valves - Forbes Marshall

    Ball valves are commonly used in steam, water, oil, gas, air, corrosive fluids. They can handle slurries and dusty dry fluids. Ball valves are not used with abrasive and fibrous materials as it poses risk of damage to the seat and plug surface. Gate Valve. Gate valve is a sliding type of valve. In gate valves, the closing member is a metal gate.

  • Valve Applications & Valve Purchasing Guide - All You Need

    Apr 09, 2018· Secondly, we have a ball check valve. This type of check valve has a preset mechanical spring that allows the valve to open based upon a pre-determined working pressure. These types of check valves are commonly used in high-pressure

  • The Fundamentals of Downhole Pump Designs in Oil and Gas

    Since the pressure from below can cause the ball to unseat, and for the fluid to leak past the valve; this pump option uses the pressure from above the ball to keep it situated in the seat, and to prevent the fluid from flowing back past the valve. Figure 4. Example showing the components of a ball and seat standing valve. (Harbison Fischer)

  • Valve Applications & Valve Purchasing Guide - All You Need

    Apr 09, 2018· Secondly, we have a ball check valve. This type of check valve has a preset mechanical spring that allows the valve to open based upon a pre-determined working pressure. These types of check valves are commonly used in high-pressure applications such as car and truck wash, but also within industrial and agricultural applications.

  • The 4 Types of Ball Valves - Valtorc International

    Jun 25, 2013· This type of design requires a generally more robust construction due to higher velocities of the fluids, which would quickly damage a standard valve. A trunnion ball valve has a mechanical means of anchoring the ball at the top and the bottom, this design is usually applied on larger and higher pressure valves(say 4 inch and above 600 psi and

  • Applications for Pressure Reducing Valves - Womack Machine

    Pressure Compensator for Flow Control Valve Figure 6. A pressure reducing valve can be used to convert any type of 2-way valve into a pressure compensated flow control. It can be added to a needle, ball, gate, globe valve, etc. The reducing valve is placed upstream of the 2-way valve with its external drain connected downstream of the 2-way valve.

  • Engineering Essentials: Pressure-Control Valves

    Pressure-reducing valves are normally open, 2-way valves that close when subjected to sufficient downstream pressure. There are two types: direct acting and pilot operated. Direct acting A pressure-reducing valve limits the maximum pressure available in the secondary circuit regardless of pressure changes in the main circuit.

  • Pressure Reducing Stations for Deep Mining Ultra Control

    The Ultra Ratio reducing valve has been used in the mining industry for over 6 years, and is available with pressure ratings of 25bar, 40bar and 100bar.

  • High & Ultra High Pressure Valves - Graco

    Additionally these products are used in industrial, marine, mining and automotive manufacturing. Applications for these markets include water jetting, use in hydraulic systems and much more. Valve types offered include ball valves, needle valves, manifold valves, check valves and relief valves. Choose the valve

  • Back-Pressure Valve installed in tubing hangers

    Nov 28, 2018· BPV is commonly used during the nipple down and up of the drilling BOP stack, nipple up or down of Christmass trees, test the Christmas tree (2-way check valve), and during the replacement of the master valve.. NB: A two-way check valve is designed to fit the same profile as the BPV. It holds pressure from both directions while allowing equalization when required and is used

  • Where Valves Are Used: Everywhere! - Valve Magazine

    Quarter-turn ball and butterfly valves are popular for LNG service, with 316ss [stainless steel] the most popular material. ANSI Class 600 is the usual pressure ceiling for most LNG applications. Although quarter-turn products are the most popular valve types, gate, globe and check valves can be found in the plants as well.

  • 8 common type of valves used in oil and gas industry

    8 common type of valves used in oil and gas industry. Nov 03, 2015. THINKTANK provides control valves, bellow seal valves, butterfly valves, ball valves, cryogenic valves, check valves, gate valves and globe valves, etc., also we supply the complete solution and support service to all verticals of the oil and gas industry, from upstream exploration and production to midstream transmission and

  • INDUSTRIAL HOSE AND FITTINGS SUPPLIERS FOR THE MINING

    Whatever type of hose fittings and couplings you require, we are experts in the field. With more than 12 years of supplying the marine and mining industries, were confident in finding you a long lasting and affordable solution. Our clients usually phone us first, as they know they can rely on us for speedy service and excellent-quality products.

  • Selecting the right mining valve for the job Weir Minerals

    Jul 09, 2020· What started as a range of low pressure, low duty, heavy construction valves, has grown into a full range including large bore, high-pressure tailings valves to lightweight high-performance valves. These valves utilise the full suite of Weir Minerals