Sep 27, 2017 orifice flanges are basically the same as standard weld neck, slipon and screwed flanges except for the provision of radial, tapped holes in the flange ring for meter connections and additional bolts to act as jack screws to facilitate separating the flanges for inspection or replacement of the orifice plate. When strength requirements are moderate, lowcarbon steel is used. Orifice flanges are basically the same as standard weld neck, slipon and screwed flanges except for the provision of radial, tapped holes in the flange ring for meter connections and additional bolts to act as jack screws to facilitate separating the flanges for inspection or replacement of the orifice plate. We have been engaged in screw jacks products for 20 years. Special flanges are not as common as regular flanges. About 4% of these are flanges, 0% are pipe fittings. Worm gear screw jacks with ball screws achieve between 1071 mm per min and 2124 mm per min, depending on size and lead. Software include vessel and heat exchanger engineer and pipe class component calculations. The flanges are separated smoothly and evenly without damage to flange faces and eliminates danger from flying wedges and sparks caused by hammer blows. Most forged steel flanges correspond to the requirements of the american standards association asmeansi standard b16. Ball screw products ball screws for a variety of applications.
The linear motion is performed by the ball screw being driven by the nut through the screw jack. Opw 61jsk4400 jack screw kit page 1 opw installation and maintenance instructions opw 61jsk4400 jack screw kit. Jack screw sizes for raised face orifice flanges unified alloys. Hs highperformance screwjack gearboxes from atlanta make it possible to achieve high feed rates even with heavy loads. Mounting flange with gasket serial number identification. Unified alloys has taken actions to address concerns stemming from the covid19 pandemic. Their high reliability and synchronization makes screw jacks suitable for a wide variety of uses that alternative methods of handling cannot achieve.
Combining power and speed they feature all the advantages of the flexible electromechanic drive technology, particularly the exact approach to different positions and an excellent repeatability precision. Standard industrial fasteners are manufactured from either carbon or alloy steels. Additional decisions involve facing and surface finishes, and the appropriate. The orifice plate is available in standard material such as ss316, ss304, ss316l, monel, hastelloyc, etc. Jack screw sizes for ring joint face orifice flanges. Typically used as actuators, they run at higher speeds than acme screw jacks. Next install the specially machined allen head bolts with the sealing washers provided into the holes in the sealing flange. Orifice flanges are one of the most economical means of measuring flow, and daniel orifice flanges are manufactured to be the most accurate. Hex jack screws meet all the important industry specifications and can be customized for your application.
Standard executions execution 1 bd screw jack with translating lifting screw bdl screw jack with lifting nut screw jack with pvc bellow screw jack with motor flange screw jack with stop nut sm. The orifice flange union is composed of two orifice flanges, an orifice plate, bolts, nuts, jack screws, and two gaskets. Mecvel accessories screw jack screw jack standard flange 3d cad models. Sometimes double lead machine screw jacks or ball screw jacks are a better choice in a given application. It, like a screw, has one end that screws into a tapped hole.
The sseries metric machine screw jack is our hotselling product, the product cheap and fine, the main material of the product is cast iron, the maximum input speed pdf. We can produce high quality flange blocks, flange blocks screw jack with lifting nut, flange blocks rotating screw jack, flange blocks travelling nut screw jack according to your requirements. Atlatna standard screw jack gearboxes are a favourably priced alternative especially for use in applications with infrequent lifting operations and medium lifting speeds or driving power. The reducer flange accepts standard nema motor frame sizes. A wide variety of flange with jack screw options are available to you, such as standard, material. Jack screw sizes for raised face orifice flanges unified. Model f3 f5 installation manual boston heating supply. We are professional flange blocks, flange blocks screw jack with lifting nut,flange blocks rotating screw jack,flange blocks travelling nut screw jack manufacturers and factory. Each flange comes with two pipe taps for measuring the pressure drop of the flow through an orifice plate.
Choose from our selection of screw jack rods, including acme lead screws and nuts, precision acme lead screws and nuts, and more. As per drawing requirement, flange with jack screw is required but due to non availability of flange with jack screw hole my vendor have drilled jack screw hole by himself on wnrtj flange. The below standard gives a listing for jack screws size selection and installation. Spacer and blank dimensions conform to api 590, except thickness t.
We manufacture a comprehensive range of flanges and flanged components such as nipples, elbows, tees, and crosses in all standard vacuum flange systems. Tsstandard screw jack gearboxes atlanta antriebssysteme. Worm gear screw jacks with trapezoidal screw or ball screw program. The image on the right shows a set orifice flanges, where a orifice plate is mounted and a jack screw is machined. Flange blocks lock on to the end of the rotating screw, and can then be bolted on to the machine or fixture. The orifice flange is a single component of the orifice flange union assembly. Learn about orifice flange, long weld neck flange, reducing and expanding flanges and special flanges such as flangeolet, nippoflange and weldoflange. In addition, we supply a variety of hardware and components. Install intermediate cylinder section to bottom cylinder section using standard jack assembly instructions. Snapon industrial brand jh williams flange jacks come in a pair and is ideal for working on pipe lines and other applications involving flanges. Two jack screws are used to spread the flanges apart in order to change the orifice. As a normal practice or per most of the client specification, the manway cover will be standard blind flanges with additional threaded hole for jack screw.
Two orifice flanges are called an orifice flange union. Specialty flange and fitting products orifice flange. Comdrive can be specified without the motor, with only the screw jack and reducer. Connector accessories backshell with male jack screw 50pos individual. Speed of travel gear ratio l low speed worm gear screw jacks with trapezoidal screw produce an advance of 0. Lowfriction ball bearings allow these screw jacks to use half the power required by an acme screw jack to lift the same load. The range of orifice flanges covers all standard sizes and ranges, and all common flange materials. Home products screw jacks machine screw jacks 2 ton reverse base machine screw jacks. The following are typical features of our standard screw jack gearboxes.
With the rotation of the gear, the screw that is inside the screw jack only makes its rotation about its axis. Add standard and customized parametric components like flange beams, lumbers, piping, stairs and more to your sketchup model with the engineering. Screw jack with pvc bellow screw jack with motor flange screw jack with stop nut sm. This standard covers flanges similar to those covered in asme b16. Lead wood screw anchors 73 hammer drive anchors 74 hollow wall anchors 75 toggle bolts 76 toggle wings and nylon nail anchors 77 plastic anchors and toggles 78 to 79 locknuts esna light hex nuts 81 to 82 flexloc selflocking nuts 83 prevailingtorque type steel hex and hex flange nuts 84 to 85 anco selflocking nuts 86. How frequently will the jack need to move the load. Provides software and mechanical engineering services for the petrochemical industry. Engineering toolbox sketchup extension online 3d modeling. Special flanges definition and details of orifice flanges. A ball screw is an improvement over an acme screw just as an antifriction ball bearing is an improvement over a plain bushing. Reverse base 2 ton capacity machine screw jacks actuators from joyce dayton corp 4 ratios at full capacity single or double lead screw. Standard executions execution 1 bd screw jack with translating lifting screw bdl screw jack with lifting nut screw jack with pvc bellow screw jack with motor flange screw jack with stop nut sm bdk ball screw jack with translating lifting screw bdkl ball screw jack with lifting nut file. Advanced antibacklash acme nuts 95 advanced antibacklash acme nuts pg. A screw is a headed and threaded bolt used without a nut.
The additional bolts act as a jack to allow the separation of the two flanges to change the orifice plate or for other inspection services. They are used to serve some specific function within the piping system. Flange blocks,flange blocks screw jack with lifting nut. We can produce high quality flange blocks,flange blocks screw jack with lifting nut,flange blocks rotating screw jack,flange blocks travelling nut screw jack according to your. In this article, i have tried to cover some of the special flanges such as orifice flange, long weld neck flange, reducing and expanding flanges and flangeolet that used in piping and equipment. It is inserted into an internally tapped hole and tension is induced by rotation of the screw head. Steel pipe flange standards china hebei haihao flange. Welding neck flanges, available in all pressure ratings and sizes, are buttwelded to the end of the pipe, and are usually spec ified.
Keywords daniel, flange union, daniel industries orifice plate. A wide variety of jack screw flange options are available to you, such as standard, connection, and material. Orifice plates do not come with the flanges and are sized based on the requirements of the process. That is, the linear speed is 375 mm per min at 1500 rpm. Industry standard is to make to the slip on length through the hub. Steel pipe flange standards china hebei haihao flange factory. Remember that heat builds up between the machine screw and nut during normal operation. Our priority continues to be protecting the health and safety of our staff, clients, colleagues and the communities where we operate while limiting business disruptions. Jan 22, 2016 two orifice flanges are called an orifice flange union. About 5% of these are flanges, 0% are screws, and 60% are speed reducers. Hs high performance screw jack gearboxes from atlanta make it possible to achieve high feed rates even with heavy loads. Raf jack screws are available in steel with zinc plate per astmb633 yellow chromate with thread lengths of 316. A stud is a fastener with no head but it has threads at both ends of the shank.
Tsstandard screw jack gearboxes pdf brochure atlatna standard screw jack gearboxes are a favourably priced alternative especially for use in applications with infrequent lifting operations and medium lifting speeds or driving power. Flanges are available in welding neck, slip on, and threaded form, and are typically supplied with two 12. Ball screws assemblies offer an efficient means of converting rotary motion to linear motion. Orifice flanges are purchased with flange taps and jack screws. The flange, which is produced from the bronze material on the screw. Orifice flanges catalogue hydraulic and offshore supplies. Duty cycles for machine screw jacks must include periods of rest to dissipate that heat.
Screw jack standard flange mecvel free 3d cad models. Screw jack power transmission components actuator flange blocks duffnorton provides a wide assortment of flange blocks designed to operate with our rotating type machine screw, ball screw, and continuous duty actuators. The engineer or designer must choose among several flange options. Bndsc67 jack screw size selection and installation. Drill 14 holes into pvc through the holes in sealing flange. Lower jack slowly until the jack is fully engaged into the pvc casing, making sure the pvc is bottomed out in the sealing flange. Hshigh performance screw jack gearbox atlanta antriebssysteme. These screws are used to help separate the flanges so inspection andor replacement of the orifice plate can be performed.
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