Under these circumstances, we recommend considering the valuable option of designing a station that caters for parallel pressure reducing valves. It is ideal for use in open systems which collect condensate from steamusing equipment for the purposes of recovering heat energy and recycling treated water. Technologically advanced pressure reducing valve combined with condensate separator and steam trap provides accurate control and steam conditioning to maximize process system performance. In pressure reducing valves, the mechanism that automatically adjusts the downstream pressure typically uses the balance of forces between the steam pressure and an adjustment spring. Initially, the steam flows through the stop valve and. The cyclone separator incorporated in the cos series pressure reducing valves removes not only condensate, but also extends product life by removing dirt and scale that are the source of. Inlet primary side of the pressure reducing valve note. Tlv dr20 direct acting steam pressure reducing valve. But for ease of service install with the cap to the top. Tlv dr20 stainless steel direct acting pressure reducing.
Tlvs cospect valves set for costeffective pressure reduction. Wetted parts are of all stainless steel construction with high durability and corrosion resistance for long service life. Tlv reducing valves models coscosr are innovative reducing valves, which help eliminate these problems by supplying dry saturated steam at a constant pressure at all times. Pressure reducing valve cos series by combining a cyclone separator and a pressure reducing valve, condensate and scale are removed, extending product life.
Design and flow concept page 2 from 7 september 2005 two pipe strands can be clearly seen, i. Tlv cospect steam pressure reducing valve flowstar uk. This control valve ensures reliable decrease of system pressures. The valve closes the instant backpressure exceeds line pressure. The tlv cospect reducing valve is the same as the cosr. Combination conditioning system includes pressure reducing valve, condensate separator, and steam trap.
Tlv reducing valve pressure reducing valve for use on low pressures up to a maximum operating pressure of 3 bar. Spirax sarco 25prv pressure reducing valve operation. Patented sce separators 98% efficiency can deliver high quality steam of 99. Tlv 0012cosr16,tlv corporation,cosr16 pressure reducing valve, 12 in,winn marion companies. This has a significant impact on the actual installed valve flow characteristic. Tlv cos pressure reducing valves installation advantages. Has an integral separator and steam trap to supply highquality steam. Condensate recovery pump for open systems tlv a steam. Parts to activate the latter are available from tlv. Pressurereducingrelieving valve with bypass check valve. The tlv cospect steam reducing valve is more expensive to buy than a standard steam reducing valve, but when you consider that the. Technologically advanced cospect pressure reducing valve provides accurate control and steam conditioning to maximize process steam system performance. Because the free float itself a precisionground hollow sphere is the valve, the entire surface of the float functions as the sealing component.
Tlv pressure reducing valves including dr20, cosr, scosr, scos, cospect and dr8. Series 2000 pilotoperated regulators consist of a main valve that is controlled by a single or combination of pilot control valves. Pressure reducing valves with builtin separator and trap. Discount price price request for quotation total price payment. The tlv j3sx free float mechanical steam trap is ideally suited for use on process equipment thanks to its continuous discharge. Typical use is on intermittent service, including applications such as heat exchangers, steam coils, rotating dryers, process equipment and heating systems. Department of veterans affairs, office of acquisition logistics and construction, office of construction and facilities management, office of facilities planning, facilities standards service. Tlv control valves, pressure reducers suppliers, manufacturers and distributors in maryland, virginia, delaware, pennsylvania, washington, dc. Tlv presents selection of pressurereducing valves for. It is defined as the ratio of the full flow valve pressure. The float itself acts as the valve head, opening and closing against the seat based on the condensate level in the trap. This manual should be read prior to installing or operating coscosr series reducing valves.
Within 10 84% of primary pressure but with a minimum pressure of 0. The gp2000 is a highperformance, externally piloted reducing valve for largecapacity requirements. Pressure reducing valves for steam coscosr series einbau. Home water heating solutions pressure reducing valves. The valve will operate in any position but for ease of service the. Pressure reducing valves faisal jassim trading company llc. Selfaligning shockabsorbing spherical piston and advanced pilot regulator. Our extensive product line from tlv includes steam traps. In pressure reducing valves, the mechanism that automatically adjusts the downstream pressure typically uses the balance of forces between the. Tlv is an established steam specialist company and world leader in the manufacture of quality, longlasting steam engineering products.
How to design a pressure reducing station with valves in. Compact pressure reducing valve for use on autoclaves, sterilizers, humidifiers, etc. At present, this is a universal concept on almost all manufactured pressure reducing valves. Bailey birkett pressure reducing valves johnson valves. Pressurereducing valve all industrial manufacturers. When the outlet pressure tries to go higher due to high temperatures or. This guarantees superior reliability and long service life. What is a pressurereducing valve and how is it used in. Pressure reducing valves for steam tlv a steam specialist. Cosr16 pressure reducing valve technologically advanced pressure reducing valve for accurate control in process steam systems. It combines a thermostatic radiator valve and a differential pressure controller for accurate temperature control and automatic hydronic balancing in a single product. This article will concentrate on direct acting pressurereducing valves. This manual should be read prior to installing or operating tlv coscosr series reducing valves. Gp2000 externally piloted pressure reducing valves.
Even if the steam flow load to the equipment or the primary pressure at the reducing valve changes, the shockabsorbing spherical piston sas supplies steam at a constant pressure in order to maintain the temperature of the steam used as the heating source. The 3way pressure reduction valve is suitable for a variety of applications and must be set according to the manufacturers specifications. Bailey birkett bronze pressure reducing valve threaded connection pilot operated bronze pressure reducing valve providing accurate levels of pressure regulation on steam and air applications. Highprecision pressure reducing valves for process applications employ a separator with steam trap and shockabsorbing spherical piston to yield a superior flow rate. Extremely compact pressure reducing valve for use on small process equipment. If a pressure reducing valve is installed either directly before or after an elbow or control valve, unevenness in air flow may result in chattering and unstable pressure. Reducing valves models coscosr are innovative reducing valves, which help eliminate these problems by supplying. Tlv is a world leader in steam engineering products and services. The nefa pressure reducing feed valve can be installed in any orientation. Tlvs range of pressurereducing valves for steam and air includes a wide assortment of models. Conventional pressurereducing valves are prone to fluctuation when the primary pressure varies widely, producing temperature changes that can effect production quality, says the company.
The powertrap is a pump that transports condensate, powered by pressure from steam or compressed air without the use of electricity. Advantages of the tlv cospect steam reducing valve shopify. Pressure reducing feed valve installation important fig 1. To avoid such circumstances, pressure reducing valves prvs can be used to provide precise control of downstream pressure. Operation of the spirax sarco model 25prv pressure reducing valve 0. The a8847 is a stainless steel pop drain with an o ring seat. Free float steam traps for steam mains and tracer lines tlv. Presenting pilot operated pressure reducing valves with builtin separator and trap, whose features result to supply dry steam or air with stable secondary pressure, improve product quality andor heat efficiency. Available to buy online from valves online official tlv distributor. Steam pressure reducing station double valve and 23 author. The deviation from the inherent flow characteristic is a function of a property called valve authority. Pilotoperated models, directacting models and those with integral separators and steam traps boast a. The hoffman specialty series 2000 pilotoperated regulator line. Pipeline consolidations pressure reducing valves ref.
Pressure reducing valves are used to control the pressure of steam, air and other gases, theyll provide the defined output pressure even as flowrates fluctuate. Pressure reducing valves are used for controlling steam or air pressure. Maximum outlet pressure is set by a reducingrelieving valve. Methven nefa pressure reducing valves reference dvlrw88dpznz. Honeywell braukmann is a world leader in providing water control solutions for applications in domestic and commercial buildings.
Dr2010 a for sale dr2010 a tlv dr2010 reducing valve 1 box. The dr20 range of tlv pressure reducing valves are direct acting units suitable for steam and compressed air, the valve is highly. Thus, pressure reducing valves are often used to reduce steam pressure to the set point value required by the process. Types of pressure reducing valves for steam in pressure reducing valves, the mechanism that automatically adjusts the downstream pressure typically uses the balance of forces between the steam pressure and an adjustment spring. Reducing valve in order to ensure stable air flow, the piping upstream and downstream of the reducing valve must be straight runs. Reducing valves models cos cosr are innovative reducing valves, which help eliminate these problems by supplying. Vibration and valve hunting can also make it hard to set accurate system pressures, while moisture entrainment in the steam flow, together with rust and. Tlv cos pressure reducing valves offer a unique installation advantage when a separator is pivotal to process efficiency, other. The watts industries direct action pressure reducing valves precisio, u5b, regleau regulate the downstream pressure as well with or without water flowing without drawing. Tlv products have longer service life, greater energy savings, improved quality, increased productivity and enhanced environmental conservation for the needs of the industrial world. The cospect pressure reducing valveis designed to use either an external pressure sensing line standard or a builtin internal pressure sensing channel. Tlv j3sx screwed stainless steel free float steam trap.
A reducing valve having a high pressure inlet and a low pressure outlet, a valve controlling the direct passage of fluid between said openings, a cylinder, a piston in said cylinder connected with said valve, the piston being of smaller diameter than the cylinder whereby an orifice is formed between the piston and the cylinder, a chamber. Tlv produces steam traps, condensate recovery pumps, pressure reducing valves and other steamrelated equipment. Tlv 0012cosr16,cosr16 pressure reducing valve, 12 in,winn. Accuracy of pressure reducing valves secondary set pressure is within 0.
Trap inlet blowdown valve trap outlet blowdown valve maximum operating pressure. Steam pressure reducing station double valve and 23. Pressure reducing valves, the watts industries expertise watts, inventor of the modern pressure reducing valve concept, designs and manufactures a complete range for all needs. Reducing valves models coscosr are innovative reducing valves, which help eliminate these problems by supplying dry saturated steam at a constant pressure at all times. Available in stainless steel with threaded end connections in sizes. Tlv, a specialist in steam engineering products and services, has been addressing the. Jun 19, 2014 this allows the main valve to hold the desired reduced pressure, and it may close tight for a deadend shutoff. Pilot valve provides for any outlet set pressure, i. Factory setting allows for the nefa pressure and vacuum relief valve to be fitted 1m above the nefa feed valve. Reducing valves models cos cosr are innovative reducing valves, which help eliminate these problems by supplying dry saturated steam at a constant pressure at all times. Some steam, entering the outlet side, flows through outlet pressure passage c into a chamber below the diaphragm 7, and lifts it. As the valve closes the pressure drop shifts to the valve and away from the other system components. Spacesaving unit simplifies system layout, piping and maintenance. The valve will operate in any position but for ease of service the valve should be installed with the cap up.
Tlv products have longer service life, greater energy savings, improved quality, increased productivity and enhanced environmental. Keep this manual in a safe place for future reference. Available to buy online from valves online official tlv. Danfoss dynamic valve is an innovative radiator valve with a 2in1 valve design. To ensure stable steam flow, it is recommended that the pressure reducing valve be installed on straight runs of piping, as illustrated below. Pressure reducing valve series 2000 xylem applied water. Installation and testing of inverted bucket steam traps manual.
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