So, effectively you had a design that was lower in weight but had no greater stress than the original design. Ws series knifegate valve excellent minerals solutions designed and manufactured for maximum safety in slurry applications in the tough, abrasive and corrosive environments of slurry applications, 100% isolation should never be a question. Packing uses flexible graphite for dependable sealing performance. All dimensions are based on controlled phoenix controls part drawings. Knife valves are a specific type of parallel gate valve. Valve drawings bim objects phoenix controls has created a set of drawings pdf, 2d and 3d of standard valve products to be used by customers for their system design. Din gate valve is a casted full bore valve with flexible wedge and external screw suitable even for regulation manufactured. The siekmann econosto product series of din gate valves has been developed for the most stringent requirements in process engineering systems, oil and gas plants, the petrochemicals and chemical industry as well as power plants technology. Some doubledisc parallel seat valves employ a design which depends mainly upon the fluid pressure exerted against one side of the disc or the other for its tightness. This is the most popular design and used in a large number of gate valves. Seat faces are outside the flow stream and in full contact with the gate, whether the valve is open or closed. Gate valve designs vary greatly depending on their intended service. B dimension is height of valve in fully open position gate valve technical data page 2 pneumatic valve aluminumstainless steel air cylinder dimensions inchesmm.
Resilient seated gate valves resilient seated gate valves contain an. Parallel gate valves are used in low pressure drops and low pressures, and where tight shutoff is not an important prerequisite. The valve guard, poppets, springs and wear shims are conventional. So with this criteria driving design, weir minerals developed the isogate ws series wafer style knifegate. This typically represents the size of the passage opening. Basic gate valve design gate valves are by far the most widely used in industrial piping. A servo valve that produces pneumatic control in response to an electrical signal input. Properly operated and closed, these valves can effect a drop tight seal but leakage rates of 210 mlmin are acceptable under as 2638. Gate valves are primarily designed for onoff services when a straightline flow of fluid and. The companys patent pending valvegated cold runner system is designed for high viscosity materials. Thermally actuated the valve is activated by a change in temperature in the handled media.
User may specify either, both, or neither of the at least and no more than values. Gate valve 101t apollo valves free bim object for revit. Upper seal design to ensure dependable packing and sealing when valve is. Protected seat faces, a function of the valves throughconduit design. Spacer ring and single packing set for class 300 and above while only single packing set for class 150. Valve tag numbers and technical descriptions are included in appendices 1 to 5.
Browse pn 10 cast iron gate valve in the world wide metric, inc. Standard specifications for forged or rolled steel pipe flanged forged fittings and valves and parts for general service. Preface control valves are an increasingly vital component of modern manufacturing around the world. A p i s e r i e s d i n s e r i e s j i s s e r i e s product structural features gate valve seal acc. Volume 2, issue 10, april 20 finite element analysis of. The valve seat on the other hand is made of two pieces. Sae society of automotive engineers valve standards. Gate valve technical data predl systems you design it. It features a low pressure drop design that is ideal for control of slurries containing large particles andor a high percentage of solids. To protect life, the environment, reputations and capital investments from compromise, we deliberate over safety and risk in every aspect of a system.
This can lead to improper function of the valve or to a leaky valve gate. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. In such a design, a wedge slides cross a general passageway in order to control fluid flow like a sliding gate hence, the name. This is also recommended, if vibrations of the piping line may occur. Since the handwheel and stem both rise, adequate clearance for operation must be provided. Oem part numbers shown in this catalog are for reference only. Introduction flowserve flow control is the foremost specialist valve and controls manufacturing organization in the world, supplying contractors, oems, distributors and end users with a product range of. Review the methodology or procedure on a chapterbychapter basis and decide whether to include or exclude the contents of the chapter in the software.
This general specification covers the minimum technical requirements for the design, selection, application, and service classifications of gate, globe, check, butterfly and needle valves. External threads afford easy lubrication, but care must be taken to protect threads from damage. Thank you for your interest in our cast steel gate valve products. It features a lowpressure drop, no seal leakage and independent control. Design feature gate valve long thread stem nut to provide long thread life and permit the removal of hand wheel even at full open. All valves are designed to comply with the requirements of asme. There are four basic types of flow control elements employed in valve design. It can thus be confirmed that the norms, regulations and standards applicable in europe and especially in. Gate valves standard configurations basic cryogenic bellow seal gate valve description gate valves are primarily designed for onoff services when a straightline flow of fluid and minimum restriction is desired. Isogate slurry valves are designed to eliminate these problems and improvements are constantly being made in material, product design, engineering and manufacturing to ensure minimised downtime and reduced risk of. Move a disc, or plug into or against an orifice for example, globe or needle type valve. Properly selected and maintained control valves increase efficiency.
I can use acrobat distiller or the acrobat pdfwriter but i consider your product a lot easier to use and much preferable to adobes a. Oxygen, api 607, vacuum, nace, and chlorine service options available. The companys patent pending valve gated cold runner system is designed for high viscosity materials. Complete solutions for industrial valves as one of the leading valve manufacturers in the world, neway specializes in the development of innovative designs through intensive. Pneumatic the valve is activated by a pneumatic actuator or cylinder to open and close valve. March 2020 1 october 2019 1 march 2018 1 november 2014 1 website by flying pixel. Types of gate valve and parts a complete guide for engineer. Learn about different types of gate valves that used in piping. Rising stem inside screw this stem design is most commonly used in bronze gate valves. Gate valve technical data predl systems you design.
This stem design is most commonly used in bronze gate valves. They have a sharp edge on the bottom of the gate to shear entrained. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Topmounted stem nut can prevent stem disc from falling off when valve is at open position and handwheel is taken off.
The apollo model 101t 30 series bronze gate valve provides a cost effective made in the usa alternative to globally sourced multiturn valves. A gate valve with a pneumatic linear valve actuator for over 100 years, preventing catastrophic failure in the process control industry has been a continuously evolving area of study. Series valves 4200 rising stem hose gate valves designed for dry systems only o with rocker lugs o b polished brass o c rough chrome plated o d polished chrome. These files are stored in several file formats commonly used in engineering cad programs such as autocad.
Gate valve function and its basic parts a valve is a mechanical device that controls the flow of fluid and pressure within a system or process. In metal seated gate valves, maximum torque on the spindle is associated with initial opening or cracking of the valve. Valve size is the designated size of the valve by manufacturer. The closure member of gate valves either stops or allows flow through the valve and acts somewhat like the opening or closing of a gate. Mcm oil tools is not affiliated with any of the above companies. Higher tightening torques may deform the valve body. Double union swing out design allows for easy removal of valve for repair.
Upper seal design to ensure dependable packing and sealing when valve is fully opened. If requested by users,packing spacer ring and greasing mechanism can be available. Vgctm sequential valve gate control instruction manual pg. Slide a flat, cylindrical, or spherical surface across an orifice for example, gate and plug valves. The major advantage of this type is that the disc cannot be jammed into the body, an action that might make it difficult to open the valve.
This requires a gasket to seal the joint between the body and bonnet. Grey iron castings for valves flanges and pipe fittings. Chinese valve standards compared with the international iso, astm, asme, ansi, mss, api and jis standards. These types of valve design can accommodate asymmetric or angularly misaligned valve seats. Replacement of packing under pressure is not recommended 5. Pearson 4 hand book of valves and actuators by brain nesbitt standard refer api 594, asme b16, astm a126 5 design data hand book 3rd edition by k. Gate valve is a linear motion valve that used to start or stop the fluid flow.
Lift stem,with stem and disc connected by tslot,and stem t head intergrally forged to. Gate valves desingneway cast steel wedge gate valve have been designed to meet the requirement bo british standard bs1414,american petroleum institute standard api600 and generally conform to american national standard ansi b16. Din bellows globe valve,din globe valve,din gate valve,din check valve,din y type strainer. Pn 10 cast iron gate valve on world wide metric, inc. Valve with rising stem cast brass valve with rising stem, red hand wheel. Windmill sales representative will contact you within 24 hours. When the handwheel is turned, the stem rises as the yoke bushing engages the stem threads. Thats because most valves are needed as stop valves to fully shut off or fully turn on flow the only job for which gate valves are recommended. For nps 28 dn 50200 velan knife gate valves feature high. Gate valves are by far the most widely used in industrial piping. The most common used standards in germany, uk, usa, france, japan, australia and europe. Design and analysis of gate valve body and seat ring design and analysis of gate valve body. Valve facetoface dimensions buttwelding ends valve. Gate valve types, construction, applications and advantages.
Pdf gate valves are used when a straightline flow of fluid and minimum restriction is desired. Specialising in the design and manufacture of lined equipment, atomac has developed a broad. Compact design carbon steel gate valves for refinery use. Pp 1s valve is a full bore pneumatic pinch valve designed for onoff control of difficult process flows.