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Valves

New ORBINOX knife gate valve for Water Treatment Applications

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ORBINOX has launched a new range of knife gate valves created especially for Water Treatment applications and designed to comply with both AWWA C520-14 and MSS SP-81 standards.

The EW series knife gate valve is a lug type unidirectional knife gate valve with a single ductile cast iron body. It has been designed to include bonnets if the application requires them, with both o-ring and conventional PTFE-impregnated type packings. The valve can be produced with metal-to-metal seats or 100% bubble-tight resilient seats and rising stem and non-rising stem configurations are available. Flange drilling is in accordance with ASME B16.5 class 150 and EN-1092 PN 10, Please note that alternative flange drillings are available on request.

The ORBINOX EW knife gate valve series is available in sizes ranging from 2” (DN50) up to 36” (DN900mm). It is suitable for working pressures of 10 bar up to 24” (DN600) and of 7 bar from 28” (DN700) up to 36” (DN900), and comes with either handwheel, gearbox, pneumatic cylinder, electric or hydraulic actuation options. Thanks to our experience in the design and manufacturing of specialist valves, we can adapt to suit specific application requirements by offering different materials or fabricated valves as required.

Here at ORBINOX we have used our extensive experience in the design and manufacturing of knife gate valves, check valves and penstocks to offer a comprehensive product range for various Water Treatment applications such as Water and Waste Water Treatment Plants, Water and Waste Water Pumping Stations, Sludge Handling, Storm Tanks, Desalination Plants and Irrigation Systems.

I manage the editorial affairs for MONETA Tanıtım, which produces specific publishing, specially for the sphere, Turkey industry. We work for content development through digital and print media, with a new generation, dynamic publishing intellection.

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Valves

Sampling Ball Valve…a special design for special demands!

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Sampling valves are commonly used in various industries, everywhere from chemical plants to food industries. It is a type of valve that allows taking a sample of a  fluids (either liquid or solids) so it can be tested for its quality. Main purpose for such valves is quality control. This also applies for the sugar industry: Sampling valves are being used at the vacuum pans in sugar factories/refineries where the quality of the sugar juice is being tested for its pureness. 

When the sugar is obtained from the thick juice (sugar content 65–80%) by repeated crystallization at elevated temperature and negative pressure, the intermediate product is called “magma”, which is a mixture of thick juice and granulated sugar.

During the crystallization, a crystal suspension is created in the “vacuum pans”. The boilers are heated with vapors from the evaporation station and are under vacuum to ensure energy-saving evaporation of the water at low temperatures. This means the clarified juice must be evaporated for the sugar to crystalize. The vacuum pans are big vessels where the syrup is boiled under vacuum, and since they are under vacuum, it is very important to install a sampling valve that can fulfill this vacuum-resistance. Airpower Europe has come up with the idea of this sampling ball valve upon request from various sugar factories, where the sampling process was rather problematic due to the difficulty of taking clean samples. 

For this purpose Airpower Europe GmbH has designed a special sampling ball valve  that is being used and appreciated by many sugar factory workers worldwide.  Today this sampling valve is being used in sugar factories in Germany, Mexico, Cuba, Guatemala, Turkey, Pakistan, Poland etc. It consists of a 3 piece stainless steel ball valve, with a closed ball on one side. Nominal diameter is DN50 with a pressure range of PN40. Temperature range is from -10°C to +200°C.  The operation of the valve is being handled through a hand lever. For further information please contact Mr. Murat Erol at m.erol@airpower-gmbh.com or feel free to visit our website www.airpower-gmbh.com

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Plumbing Automotive Equipments

Proportional valves with linear motors in the medical industry

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The Precision Fluidics Division of Parker Hannifin, the global leader in motion and control technologies, announced the release of their new Parker LM-Pro linear motor proportional valve targeted at the respiratory and anaesthesia markets.

“The Parker LM-Pro miniature proportional valve utilizes a patent pending linear motor actuation technology to enable flow up to 540 slpm in a very compact and energy efficient package, while providing an unparalleled, controllable range to allow for use across multiple respiratory applications,” says Beth Young, division marketing manager at Parker Precision Fluidics.

A critical feature of the LM-Pro valve is the valve’s linear motor actuation technology that provides exceptional resolution over a longer stroke and lower power consumption than traditional solenoid or voice coil actuation designs. With a linear controllable flow range from 0.5 to 540 slpm, pressure capability up to 100 psi (6.9 bar), and typical power consumption of less than 2 Watts, the LM-Pro valve enables very precise flow control throughout the full performance range of the valve. The LM-Pro valve allows for simple, closed loop feedback, giving the customer precise pressure or flow control. This ensures accurate and safe delivery of precise gases to patients, from neonates to adults. Typical applications will have power usage of less than 2 Watts, giving the customer longer battery life or ability to use a smaller battery to save size and weight. Typical hysteresis of <10% (full scale), coupled with a fast response time of <20 msec (full cycle), give the customer the ultimate in low and high flow rate and precision control proportional valve performance.

The Parker LM-Pro is a true, one-size-fits-all, proportional valve. Its unrivalled performance capability combined with the simplicity of a face mounted/ported design make the LM-Pro valve an ideal solution for varied applications with dynamic flow control needs. “It is ideal for customers who are trying to increase performance while continuing to decrease the footprint of their products,” says Paul Nierman, division engineering manager at Parker Precision Fluidics.

As systems become smaller and more portable, power concerns and accurate flow control at both the high and low ends of the spectrum are vital. The Parker LM-Pro linear motor proportional valve is a great example of the portfolio of products at the Precision Fluidics Division of Parker Hannifin that lead the market in miniature, low power, light weight, high performance fluidic products.

Visit the link to find more information of the Parker LM-Pro linear motor proportional valve:  https://discover.parker.com/LM-Pro

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Valves

Airpower Series 35 Double Eccentric Butterfly Valves

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The Series 35 Double Eccentric Butterfly Valves also known as High Performance Butterfly valves from Airpower Europe GmbH are generally used in the sugar industry where you require valves resistant to higher temperatures or also in the cogeneration facilities, pulp and paper, chemical etc.

They are characterized by their long-service time, low maintenance and reduced friction between seal and the gasket. The airpower Europe GmbH Series 35 valves are available from DN50 (2”) up to DN1000 (40”). The body is made of Ductile Iron GGG40 (EN-JS-1030) (EN-GJS-400-15) but can also be offered as Stainless steel 1.4408 version (CF8M) or carbon steel A216 WCB.
The disc is offered as a standard in the stainless steel CF8M version. Alternatively, it can be offered as well with 304 stainless steel or Ductile Iron 1.0619 discs. The media temperature for the body coatings is -30°C up to +200°C for RPTFE. 

The body length is in accordance with API609 and the mounting flange standard is ISO5211. For all nominal sizes the bearing is maintenance-free. The bearing is for exact centering of the disc. The valve disc itself is double eccentric mounted. 

All sealing surfaces are machined. Major advantages here are the low torque value and the low wear.  The bolt itself is secured by a locking plate. An additional sealing ring ensures that the inner area of the bolt is protected against dirt and liquids.

 The seat ring inserted with a positive fit ensures absolute tightness and compensates for wear. Replacement is possible without disassembly of shaft and disc. The removable retainer ring protects against abrasion and erosion whereas the continuous shaft ensures high stability. The Series 35 double eccentric butterfly valves can be combined with twintorque series pneumatic rotary actuators from airpower Europe GmbH, either single or double acting type. 

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