Depending on the size of the valve, the flow rate and the differential pressure across the valve, the noise may be loud enough to be very irritating to people who have to work near it, and even. Get contact details, gallery, services and general information. Click to find out more information about our valves and our maintenance services. Piping systems dimensions of pipes and tubes, materials and capacities, pressure drop calculations and charts, insulation and heat loss diagrams. During an earthquake with structural movement of sufficient intensity, the koso seismic valve will shutoff the gas, preventing an explosion andor fire. This will greatly reduce potential risk of explosion or fire due to loss of gas line integrity or uncontrolled flow of gas after a major earthquake. For actuator selection refer to koso hammel dahl actuator selection guide. The beier co of the straight stroke control valve stem seal the use of three types gyl21241c lined straight trip regulating valve l21241c straightlined stroke control valve, using the valve body and inner parts are all lined structure, effectively blocking. In severe services of high temperature and high differential pressure, kosos multistage trim pat. Chapter 4 describes digital valve controllers, analog positioners, boosters, and other control valve accessories. The series 12007200 range of cageguided control valves is. Control valves iceweb engineering institute of technology. Kent introl are a trusted name when it comes to choke, control, and subsea valve solutions.
For process automation control valves actuators instruments fa. Control valves koso hammeldahl series v510v520 globe and angle valves 12 8 dn15 200 ansi class 9002500 specifications bulletin v5105201 globe bodies for inline service. When control valve professionals talk about control valve sizing, they really mean the entire process of selecting the valve that will do the best job of controlling the process. Systems chemical pumps production 1 since its establishment, the koso group has developed a diverse range of highquality control valves of diversified types, greatly contributing to the implementation of process automation pa in various industries.
Nomenclature flow capacity the valve sizing coefficient most commonly used as a measure of the capacity of the body and trim of a control valve is c v. Koso is focus mainly on automatic control valves and isolation valve including minimum size and large size valves, lowpressure and ultrahighpressure valves, extremelylowtemperature and ultrahightemperature valves for various fields applications through dynamic processes. Koso the california valve these valves are earthquakesensitive gas shutoff valves. Koso kent introl is part of the koso group of companies. For threeport valves, it is the difference in pressure between the two open ports. They are intended to close in the event of an earthquake to prevent gas flow into a structure where earthquake damage may have occurred. The group acquired kent introl in 2005, and whilst we retain a great deal of independence the acquisition strengthened koso s global reach as a manufacturer of valves and equipment. Koso kent introl limited free company information from companies house including registered office address, filing history, accounts, annual return, officers, charges, business activity.
Chapter 5 is a comprehensive guide to selecting the best control valve for an. They are based on the body design of our series 10 range and are primarily used for blending of flows. Koso kent introl has long conducted a wide range of valve testing techniques to ensure valves manufactured at its yorkshire, uk, factories meet the requirements of the worlds most demanding applications and internationally recognised quality standards. Contact details for koso kent introl in brighouse hd6 1qf from business directory, the best resource for finding valve manufacturer listings in the uk. Fisher emerson kent introl abb control valves koso kent introl copes vulcan severn glocon severn unival flowserve masoneilan weir hopkinsons yokogawa tyco. Originally formed in 1989 under the name introl india, the company has evolved over the years, becoming stronger with each change and better positioned to meet the demands of a constantly changing exploration marketplace.
Sizing the pressure regulators sizing of regulators is usually made on the basis of cg valve and kg sizing coefficients. Clippard modular valves versatility is the key when it comes to clippards minimatic r modular valves. To start using the software, simply login or register now and you will hear back from us. When gas or steam flows through a control valve, noise is generated. Correct capacity sizing for asv to prevent compressor damage. Abstract in hydraulic systems involving a centrifugal pump a control valve is usually the preferred device for. At koso hammel dahl, we have a long reputation for designing and supplying premier control valves for use in cold box and other cryogenic services. Koso kent introl new tensilecompression testing capability. Their core focus is on the production of control valves, instrumentation and equipment. See who you know at koso kent introl ltd, leverage your professional network, and get hired. When used in reverse, they can also be used to split flows.
Our threeway mixing and diverting valves allow for accurate controlled splitting or mixing of flows, even at high flow capacity. Return to earthquake valvesthese valves are earthquakesensitive gas shutoff valves. Concentric segmental ball valvesflowmax cwafer 220c. A control valve may be defined as a valve with a powered actuator that responds to an external signal.
The series 1272 range of cageguided control valves is kkis. 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. Koso kent introl valve manufacturer in brighouse hd6 1qf. Koso kent introl specialises in the supply of hightechnology surface and subsea choke valves, standard and severeservice control valves and rotary valves f. Since 1985, koso kent introl kki has supplied almost 800 subsea valves to the industry. Koso kent introl limited supplies series and series 3000 volume boosters. Kentintrol products choke valve manufacturer from nashik. Product documentation 314f 315f 316f 317f productguide vb314f vb315f vb.
Founded by edward singleton in 1967, initially under the name introl limited, with the aim of providing a specialised control valve service for the expanding uk energy and petrochemical sectors, koso kent introl is recognised as one of the worldwide leaders in the design and manufacturer of surface and subsea control valves and choke valves, severe. Chapter 2 develops the vital topic of control valve performance. In addition to the v817, the g120 and g series valves are used throughout cryogenic plants outside of the cold box. Control valves control valve terminology, bodies, trim, flow characteristics, cv and kv sizing, noise, actuators and positioners. Additional explanations and supportive information are. Our series 10 and 71 range of singleseated globe control valves offer high flow capacity with a tight shutoff and are engineered to withstand stresses without distortion to the body. These devices reproduce pneumatic pneumatic signals in 1.
In addition to controlling the flow, a control valve may be used to shut off flow. Koso hammel dahl is a worldleading manufacturer of highquality control valves, actuators, and accessories for the automation market. Surface choke valves topguided control valves valve sizing and selection highfriction trims anticavitation trim bottomguided control valves cageguided control valves level control valves valve and actuator. Formed through the integration of the hammel dahl brand and the advanced technology of its parent company, nihon koso, the company represents years of experience serving both general and specialty applications in various.
However, there are standard rules for certain types of trim, as follows. Our valves are suitable for the most demanding applications. These valves are earthquakesensitive gas shutoff valves. Koso kent introl limited free company information from companies house including registered office address, filing history, accounts, annual. Flow rates at fully open position and various operating conditions are related by the following formulae where. Our free valve sizing software allows you to specify and calculate the size of valve you need and find a suitable trim solution. All you need is some basic process and pipeline parameters in order to find the right solution. Linear and quarterturn actuators to automate control valves. Available in an unlimited variety of directional, flow, pressure and special control valves each in a valve body designed to mount and link together with a simple piping system. The piping system eases assembly and plumbing, resulting in reduced labor costs, errors in installation.
Our valves can operate in most severe service situations. The pressure exerted on the interior of a valve under normal working conditions. How to size temperature and pressure control valves 23 control may or may not be fully open. The preferred flow direction for liquids is over the plug and for gases is under the plug. Kent introl looks at each customers application requirements and sizes the valves accordingly. Control valve sizing 101 rules of thumb for control.
Valves factory automation actuators automation systems control valves butterfly valves production services globe valve chemical pumps erosion rotary valves methanol injection choke valves volume boosters severe service valves rotary control valves severe service control valves process control and automation systems pump. Koso kentintrol brighouse gas and electrical testing and. A variety of useful resources, including kent introl product brochures, case studies and exhibition details. How to size temperature and pressure control valves. Koso kentintrol brighouse gas and electrical testing. Kent introl are an industrial valve manufacturer that supplies the oil, gas, and power industries. During an earthquake the primary dangers are from falling objects and debris, such as collapsing chimneys, masonry facing, shattered glass, light fixtures, plaster ceilings and heavy furniture.
Nov 24, 2012 koso is focus mainly on automatic control valves and isolation valve including minimum size and large size valves, lowpressure and ultrahighpressure valves, extremelylowtemperature and ultrahightemperature valves for various fields applications through dynamic processes. This kind of ball valve is fire safe designed per api 607 and api 6fa. Koso kent introl is recognised as one of the worldwide leaders in the design and manufacturer of surface and subsea control valves and choke valves. Q flow rate in stm3h pu inlet pressure in bar abs pd outlet pressure in bar abs. Koso kent introl has long conducted a wide range of valvetesting techniques to ensure valves manufactured at its yorkshire, uk, factories meet the requirements of the worlds most demanding applications and internationally recognised quality standards. Formed through the integration of the hammel dahl brand and the advanced technology of its parent company, nihon koso, the company represents years of experience serving both general and specialty applications.
Koso earthquake valves are intended to close in the event of an earthquake to prevent gas flow into a structure where earthquake damage may have occurred. This will greatly reduce potential risk of explosion or fire due to loss of gas line integrity or uncontrolled flow of. Valve manufacturer koso kent introl kki has added nine new recruits to its workforce since january. Our products oil and gas valve manufacturers kent introl. Koso kent introl limited kki manufactures a comprehensive range of highperformance severe service control valves, technically advanced surface choke valves and rotary control valves for the most demanding applications in the oil and gas, petrochemical and power industries worldwide. The stepbystep method outlined in this section is the most common method of sizing. Information on valve sizing for conditions of critical flow will be found in references 4 and 9. Straight through diaphragm valves flow coefficients c. Selecting the right size valve is an important part of the process, but there are other equally important considerations as well. With roots dating back to 1967 when the company was founded as introl ltd in brighouse, yorkshire, koso kent introl kki has earned a firm reputation as a world leader in the design and manufacture of surface and subsea control valves, severe service valves and surface and subsea choke valves.
Control valve sizing handbook this handbook on control valve sizing is based on the use of nomenclature and sizing equations from ansiisa standard s75. In severe services of high temperature and high differential pressure, koso s multistage trim pat. Noise generated by the flow of a gas is often referred to as aerodynamic noise. Koso kent introl to be exclusive supplier for johan. In water systems, it is the algebraic sum of the static pressure and. The valve shall not close when subjected for five seconds to each of three horizontal, sinusoidal oscillations with the following characteristics. Concentric segmental ball valvesflowmax cflange 230c. Series 71 is the angled body version of the series 10.