Refer to the appropriate instructions when this information is. Cavcontrol trim is a costeffective trim that effectively minimizes cavitation damage to valve components by controlling the location and concentration of cavitation vapor bubble implosion in an area away from metal parts. Flowserve valtek control products installation mark one. Valtek mark one control valves body assembly the valtek mark one globe control valve offers superior performance in liquid and gaseous services, while also permitting easy, fast and inexpensive maintenance. Flowserve control valve products best suited to your applications and service conditions. Out with risky valve selection techniques until now, selecting the right control valve for your application carried significant risk and everincreasing. Valtek spring cylinder rotary actuators stiffness and performance for a size 25 cylinder actuator typical for a 2inch dn25 valve with a supply air pressure of 100 psi 6. Flowserve valtek mark manuals manuals and user guides for flowserve valtek mark. This fourth edition presents vital information on control valve performance and the latest technologies. Valtek valdisk control valves seats jamlever toggle seating concepts utilize the pressure drop across the valve to help energize the soft seat to bubbletight shutoff in either flow direction, including alternating flow applications. A control valve may be defined as a valve with a powered actuator that responds to an external signal. Failure to install half rings on the valve body can cause serious personal injury.
In addition, the actuator is lighter, smaller and easier to handle than comparable diaphragm actuators. We have 2 flowserve valtek mark manuals available for free pdf download. Valtek control products and services reliability, long life, parts interchangeability, ease of maintenance, prompt delivery and a fair price valtek control products combine all these essential ingredients to produce the finest line of automatic control valves in the market today. Vanguard bg specifications type globe sizes inches 12, 34, 1, 114, 112, 2 cv see tables vi and vii seat metal seat ansi fci 702, class iv. Separate valtek flow control products installation, operation, maintenance instructions cover the valve such as iom 1 or iom 27 and actuator such as iom 2 or iom 31 portions of the system and other accessories. Its modern engineering design, and use with the valtek spring cylinder rotary actuator, makes the valdisk 150 rotary valve an economical and dependable control valve for todays class 150 applications. This manual provides necessary requirements for meeting the iec 61508 or iec 61511 functional safety standards. A style of valve trim where the flow passes through a multiple of orifices in parallel or in series. Valtek mark onepower flowserve corporation, valtek control products, tel. Valtek control valve flow capacity c v is based upon the industry standard, ansiisa s75.
Computer based simulation, design and sizing programs have been developing fast during past years and these are well in used by advanced control valve manufacturers to provide and maximize the bene. Mark six bodies are constructed of bronze or austenitic stainless steel for high impact strength at low temperature and minimum heat transfer. Its modularity provides trim and material options to suit most service situations. Refer to the appropriate instructions when this information is needed. The valdisk 150 rotary valve is available in sizes 2 through 12inches and has an operating temperature range of 100 to 400 fahrenheit. This can apply to the control valve itself relative to the piping. Flow control division 1999 flowserve corporation, flow control division 3 logix 1400 digital positioner startup guide foundation fieldbus basics the foundation fieldbus protocol is an alldigital, twowire method of interconnecting field devices. A control valve performs a special task, controlling the flow of fluids so a process variable such as fluid pressure, level or temperature can be controlled. Cavcontrol anticavitation control valve trim pumps seals. A numerical designation of size which is common to all components in a piping system other. In addition to controlling the flow, a control valve may be used to shut off flow. The valtek mark one control valve is the industry choice for a simple, reliable, tough globe valve. Valtek uses a systematic method for selecting body types, sizes, materials, pressure ratings and trim sizes based on flow characteristics. Usa 801 489 8611 the valtek mark onepower control valve offers solutions to many power services challenges.
Since the bonnet bottoms metaltometal in the body, the bonnet gasket compression is. Usa 801 489 8611 s o body assembly the mark one valve is typically double topstem guided and completely avoids contact between the plug and seat retainer. The valtek flowpro is a high performance control valve coupled with the highthrust flowact pneumatic diaphragm actuator. The springcylinder actuated mark one valve provides stiffness and maintains high positioning accuracy, repeatability, controlled high speed, and faithful response. Since the bonnet bottoms metaltometal in the body, the bonnet gasket compression is determined by the depth of the gasket step on the bonnet. Flowserve valtek mark one control valve linkedin slideshare.
Yet, it is rugged and can be used safely and confidently in a wide range of general service applications plantwide. This safety manual provides information necessary to design, install, verify and maintain a safety instrumented function sif utilizing a flowserve valtek mark series valve and cylinder actuator. View online or download flowserve valtek mark user instructions, safety manual. Vbg intech control valves formerly valtek sulamericana. Valtek mark manuals and user guides for flowserve valtek mark. Vbg intech control valves formerly valtek sulamericana mena. Valtek series multiz fcd vlentb163105 0216 principle of design globe valve. Apr 07, 2016 valtek control products are also known for handling the most severe services. A numerical designation of size which is common to all components in. Flow control is a leading global manufacturer of flow control products including control valves, quarterturn valves, actuators, and complete valve automation systems. Valtek control valve sizing and selection manual bbp sales.
A bg3 control valve from vbg intech is a three way control valve used in applications that require converging mixing or diverging bypass flow. Nxt puts the power of ondemand control valve selection and sizing at your fingertips. In most cases flowserve valves, actuators and accessories are designed for specific applications with regard to medium, pressure and temperature. Flowserve reduces pressure via division in partitions a course which is different to that pursued by other suppliers. This is done in such a way that seating capacity is increased as differential pressure is increased. Valtek gs general service control valve the valtek gs product line is low cost, compact and lightweight. Valtek valdisk control valve technical brochure vlentb010 guidelinesreferences. A traditional 420 ma analog loop calibrator can not be used with a logix. Valtek mark one and mark two control valves fcd vlenim00102aq 815 4 a warning.
Refer to the appropriate installation, operation, maintenance instructions for installing, maintaining, troubleshooting, calibrating, and operating valtek positioners. Valtek flowpro high performance control valve pumps. Flowserve pumps is one of the worlds largest suppliers of industrial, engineered, and special purpose pumps and systems. The modular design allows by using the same body with different types of bonnets, trims and. Mar 18, 2017 plus, with the mark one valves high degree of parts interchangeability, fewer inventory parts are required. Control valve is a critical element in achieving the desired accuracy in process control. This standard and the corresponding measuring standards contain equations used to predict the flow of. The major advantage is a noticeable reduction in wear combined with an extremely lownoise control valve.
The flowserve valtek mark six is a globestyle, singleseat, topentry automatic control valve with a fabricated extension for cold box cryogenic applications to 4 5f 18c. Safety integrity level selection systematic methods including layer of protection analysis, isbn 1556177771, isa control system safety evaluation and reliability, 2nd edition, isbn 1556176388, isa. Five basic configurations globe, angle, threeway, expanded outlet and ybody can be used in various steam, water, fuel and chemical applications. Valtek spring cylinder rotary actuator technical brochure. Valtek mark one control valves end connections, flanges and bolting the mark one valve is designed with the bonnet and seat ring gaskets fully retained. Page 1 sil safety guide valtek mark series control valves high performance globe and angle valves fcd vlenim000101 07. The valtek mark one globe control valve offers superior performance in liquid and gaseous services, while also permitting easy, fast and inexpensive maintenance. Benefiting from the interchangeability with the bg series control valve family. Usa 801 489 8611 valve maintenance at least once every six months, check for proper operation by following the preventative maintenance steps outlined below. Throttling control valves are equipped with a valve positioner. Valdisk design the high performance valtek valdisk rotary control. Many globe valve maintenance problems can be traced to cageguiding. Even with an historical focus on lpg components, valtek is proposing also technology for cng components as most recent high speed injector also for filter for the light, medium, and heavyduty markets.
The flowpro control valve is a highperformance, general application valve coupled with the highthrust flowact pneumatic diaphragm actuator. Chapter 2 develops the vital topic of control valve performance. Control valves prior to installing, operating or performing any maintenance on the valve. Slightly different forms of the basic equation are used for liquids and gases. Flowserve also manufactures micro flow valves designed to offer lower cv than 0. This publication does not contain information on valtek positioners. Valtek mark 200 high pressure control valve the mark 200 high pressure globe control valve designed to handle the most extreme severe service applications also offers high competitive flow capacity. The control valve handbook has been a primary reference since its first printing in 1965. Valtek mark one and mark two control valves fcd vlenim00103 aq 1217 valtek mark one and mark two control valves 2 contents 1 general information 3 2 unpacking 4 3 installation 5 4 quick check 5 5 valve maintenance 6 6 disassembly and inspection 7 7 assembly and installation 9 8 severe service trim options 12 8.
Valtek control products are also known for handling the most severe services. Valtek vanguard flowserve corporation, valtek control products, tel. Valdisk control valves flowserve pdf catalogs technical. Valtek mark one and mark two control valves fcd vlenim00102aq 815 3. Its the right tool for finding the right product, every time. Likewise deviating from conventional procedures, in order to avoid cavitation a physically optimized technology has been implemented that achieves significantly better results. Valtek vanguard globe valves the valtek vanguard globe valve is a durable, multipurpose control valve suited for various applications requiring the control of steam, gas or liquid. Pneumatic valve positioner working principle s bharadwaj reddy january 12, 2017 september 27, 2019 the pneumatic valve positioner is an instrument working on force balance principle to position the control valve stem in accordance to a pneumatic signal. Bg series globe control valves vbg intech control valves. Cavcontrol anticavitation control valve trim pumps. Connect the air supply and instrument signal lines. Chapter 1 offers an introduction to control valves including definitions for common control valve and instrumentation terminology. These steps can be performed while the valve is inline and, in some cases, without interrupting service. The springcylinder actuated mark one valve provides stiffness and maintains high positioning accuracy, repeatability.
Valtek, a westport fuel systems company, provides a complete portfolio of injectors, reducers, filters, and low pressure solenoid valves. Separate flow control products user instructions cover the valve, actuator, or portions of the system and other accessories. Vertical installation of the actuator permits easier valve maintenance. This standard and the corresponding measuring standards contain equations used to predict the flow of compressible and incompressible fluids in control valves. Before products are returned to flowserve for repair or service, flowserve must be provided with a certi. Flowserve valtek control products installation mark one and. In the flowserve control valve portfolio a wide range of valves are designed to offer both ranges.
Chapter 5 is a comprehensive guide to selecting the best control valve for an. Valtek mark one control valves flowserve corporation, valtek control products, tel. Valtek valdisk control valves control valves compact, field reversible actuator jamlever toggle soft seal ansi class iv shutoff metal seal ansi class vi shutoff soft seal nonselective disc and shaft for reduced cost splined shaft with single pivot point for actuator to disc connection selfcentering seal figure 1. In just seconds, you get the answers you need to ensure you make the right choice. Safety integrity level selection systematic methods including layer of protection analysis, isbn 1556177771, isa control system safety evaluation and reliability, 2nd edition, isbn 1. The mark 200s large galleries include longer stroke lengths which provide finer control and result in more stages of severe service protection in.
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