diaphragm sealing News

  • Crevice- Free Control Valves

    Take the 3347 control valve for example, the polished steel parts allows the purest process medium. Special PTFE bushing and steam line connection are made to reach the purify requirement, in case of the bacteria spreading at the actuator stem guide.   Another high performance valve type is 3249. An EPDM diaphragm and a ...

  • New range of compact leak-free high pressure regulators

    Rotork Fairchild has launched a new range of compact high pressure pneumatic regulators for instrument and industrial control applications. The new Rotork Fairchild range features patent pending improved valve seat sealing that eliminates the risk of media leakage often associated with conventional high pressure regulators. In addition, innovative diaphragm designs deliver superior ...


    By Rotork

  • Qdos pump cuts maintenance time

    Qdos peristaltic pump technology from Watson-Marlow Fluid Technology Group, is delivering a significant reduction in maintenance time - from 1.5 hours to just 5 minutes - at the local authority effluent plant in Selters (Westerwald), Germany. The Qdos pump is being used in preference to traditional diaphragm pumps for metering precipitants that help eliminate phosphate in wastewater. The local ...

  • Digital Metering Pump

    Dec 2006 – WALCHEM CORPORATION, Holliston, MA, The EK Series Metering Pumps, with IP67construction, are the first waterproof solenoid-metering pump designed for the harshest of environments. The EK Series are solenoid-driven, diaphragm metering pumps with capacities up to 6.7 GPH (25.4 l/h) and a maximum pressure of 150 PSI (10 bar). High resolution image available from ...


    By Walchem, Iwaki America Inc.

  • CPC6000 Precision pressure controller - The easy-to-use pressure calibration instrument

    The CPC6000 pneumatic precision pressure controller is impressive, not only for its outstanding technical specification, but also for its excellent price/performance ratio. Due to the modular construction of the pneumatic precision pressure controller, it is possible to operate the instrument with either one or two control channels. Each channel has its own control unit with up to two ...


    By WIKA Instruments Ltd.

  • Solenoid Driven Metering Pump gamma/ X

    The new solenoid diaphragm metering pump gamma/ X is user-friendly and has an outstandingly long service life, just like its predecessor. An ingenious solenoid control measures the back pressure and protects the system from overload. This technology makes a pressure sensor superfluous, meaning that operating safety can be significantly increased: no additional parts come into contact with the ...

  • Peristaltics neutralise the pH problem at Buckton Castle Water Treatment Works

    The viscous lime slurry used to maintain a neutral pH during the water treatment process was causing frequent blockages in the diaphragm pumps used by Buckton Castle WTW. However, the installation of two peristaltic hose pumps supplied by Watson-Marlow Bredel has overcome this problem, substantially reducing both the time and cost of maintenance required. Buckton Castle Water Treatment Works ...

  • Bredel’s Newly Expanded Apex Hose Pump Range Delivers Improved Process Uptime And Significantly Reduces Pump Maintenance

    Seal-less, valve-less design of two new hose pump models lowers total cost of ownership More reliable than air-operated diaphragm pumps and progressive cavity pumps in chemical or abrasive applications Newly expanded flow range to 6,200 litres/hour at 8 bar Bredel Hose Pumps (part of Watson-Marlow Fluid Technology Group) has added two new models to its APEX range ...

  • Peristaltics neutralise the pH problem at Buckton Castle Water Treatment Works

    The viscous lime slurry used to maintain a neutral pH during the water treatment process was causing frequent blockages in the diaphragm pumps used by Buckton Castle WTW. However, the installation of two peristaltic hose pumps supplied by Watson-Marlow Bredel has overcome this problem, substantially reducing both the time and cost of maintenance required. Buckton Castle Water Treatment Works ...

  • ACHEMA 2012: Watson-Marlow launches Qdos 30 pumps

    Watson Marlow Pumps Group’s Qdos 30 pumps made their debut today (19 June) at Achema 2012 in Frankfurt, Germany. The Qdos 30 eliminates ancillary equipment, enhances productivity and reduces chemical waste through more accurate, linear, and repeatable metering compared with typical solenoid or stepper driven diaphragm metering pumps, the firm says. The Qdos 30 delivers a 5,000:1 flow ...

  • Watson-Marlow launches revolutionary ‘Qdos’ range for chemical metering applications

    In what’s described as a “no-valve metering revolution” Watson-Marlow Pumps Group launches its revolutionary Qdos 30 pump range.  Developed in response to extensive industrial customer feedback for improved chemical metering, the Qdos 30 eliminates ancillary equipment, enhances productivity, and reduces chemical waste through more accurate, linear, and repeatable metering ...

  • Watson-Marlow launches revolutionary ‘Qdos’ range for chemical metering applications

    In what’s described as a “no-valve metering revolution” Watson-Marlow Pumps Group launches its revolutionary Qdos 30 pump range.  Developed in response to extensive industrial customer feedback for improved chemical metering, the Qdos 30 eliminates ancillary equipment, enhances productivity, and reduces chemical waste through more accurate, linear, and repeatable metering ...

  • Wastecorp Launches New Trash Pumps

     Wastecorp Pumps, one of the leading manufacturers of diaphragm pumps, trash pumps and plunger pumps, launched today a new engine driven trash pump product line under its Trash Flow® brand. Wastecorp's new trash pumps are available in 3" and 4"rental pump models and 3", 4", 6", 8", 10" and 12" municipal/industrial pump classifications with over nine choices to select from. More ...


    By Wastecorp Pumps

  • VALVE WORLD 2016 — Germany International Valve Exhibition

    Name: VALVE WORLD2016 — Germany International Valve Exhibition. Date: Nov. 28th to Dec. 1st, 2016. Address: Dusseldorf, Germany. Venue: Dusseldorf International Exhibition Center. Introduction of Exhibition: VALVE WORLD is the only worldwide professional valve exhibition held by Dutch ...


    By Derbo Steel Pipe Co., Ltd.

  • MAGDOS LT - Solving the Power Consumption Issue

    Lutz-JESCO America Corp. is pleased to announce the introduction of the MAGDOS LT, a new solenoid-driven diaphragm dosing pump. The MAGDOS LT line of solenoid driven metering pumps combines state-of-the-art microprocessor technology with durable, high quality mechanics in chemical resistant materials to make them suitable for many municipal and industrial applications. The MAGDOS LT was ...


    By Lutz-JESCO America Corp.

  • Power station selects Rotork CVA for demanding control valve duty

    A power station in New Hampshire which burns both natural gas and low sulphur fuel oil has installed a Rotork CVA electric control valve actuator to help reduce maintenance costs and improve accuracy in a demanding outdoor fuel oil control application. The 6inch Class 150 ball valve controls the flow from a storage tank to fuel oil pumps. The changing load on the units demands virtually ...


    By Rotork

  • Rotork Fairchild increases high pressure capacity of pneumatic regulator range

    Rotork Fairchild has increased the high pressure capacity of its compact leak-free pneumatic regulators for instrument and industrial control applications with the introduction of a new HPP range. A companion to the recently announced HPD diaphragm style range of regulators, the new HPP (High Pressure Piston) range incorporates a piston design to manage supply pressures up to 413 Bar (6,000 psi) ...


    By Rotork

  • X-tremely safe - Process safety: Metering pump gamma/ X sets new standards

    The gamma/ X is the first metering pump in its class to be driven by a cleverly controlled solenoid and offers so much more than excellent accuracy and efficiency: it also provides outstanding process safety thanks to the automatic monitoring of hydraulic conditions and pressure control without the need for a sensor. Its innovative control technology gives the new pump an important ...

  • Camfil Farr APC Updates Gold Series® Dust And Fume Collectors

    Camfil Farr APC has announced major updates to its popular line of Gold Series® cartridge dust and fume collectors. The revamped line features a number of design changes and cosmetic enhancements plus an expanded menu of options to ensure a clean workplace in all types of industrial environments. "We've made these changes to uphold our mission statement – to supply the best dust ...

  • Kavlico Designs pressure sensor for heat pump systems meeting EU 842/2006 Directive

    Kavlico, a global business unit of Custom Sensors & Technologies (CST) has developed a new version of the PT250 pressure transmitter designed specifically for installation in heat pump systems. Incorporating a piezo-resistive sense element, these extremely rugged, all-welded, 304L stainless steel constructed devices have an integral pipe pressure connection that is welded at the pressure ...


    By InnoVista Sensors

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