These type of vessels is generally connected to compressors that compensate the air that can be dissolved into the water or that flow into the system when surge occurs. Volume of a single vessel can be up to 90,000 liters and pressure can be up to 40 bar (Higher pressures can also be provided upon request).
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The bladder vessels are the new alternative of the compressor based vessels. Volumes available are up to 80,000 liters per single vessel. The pressure can be up to 40 bar. Generally, the bladder material is the Polyurethane, which has high mechanical and physical characteristics. Other types of materials for the bladder can be provided if needed. The vessel can be horizontal or vertical depending on the requirements and the medium. Simple or sophisticated instrumentation can be supplied depending on the degree of control and alarming required.
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These valves are designed to be installed on the delivery side of the pumps. They are connected electrically to the power of the pumps. They are designed to close gradually before the pump in order to bring the water column to rest and consequently they highly minimize the effect of the water hammering that occurs during the start and shut down of the pumps.
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These valves work in conjunction with surge protection systems such as the vessels. They guarantee the fastest closing time that is necessary for the pump protection. Sizes available are up to DN 3000.
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Pumps are manufactured in accordance to the NFPA instructions. They can be diesel or motor driven. The pumps can be supplied as a set preassembled at factory and complete with all necessary valves and fittings. The control panel can be integrated in the set as well. The pumps can also be FM and/or UL approved if needed in the specs.
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Complete range of valves approved for fire fighting systems is available. This range include the isolating valves such as the gate and butterfly valves and a complete range of non return valves. Valves available are UL and FM approved.
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The range of control valves for fire application includes the deluge valves with sizes up to DN 600. These deluge valves can either operate electrically, pneumatically or hydraulically depending on the system design. In addition to that there is a complete range of pressure relief valves, pressure reducing valves and pump control valves.
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The range of metering pumps includes the diaphragm type, piston type and piston diaphragm type. Diaphragm pumps are available either motor driven or solenoid. Pumps are available in single head or multiple heads (Up to 12 heads). Capacities starts wih 0.1 l/h and up to 8,000 l/h. Pressure can be up to 400 bar in piston pumps and 13 bar in hydraulic diaphragm pumps. All pumps are manually controlled as standard by simple adjustment of the stroke length. Electronically controlled pumps are also available either by controlling the stroke length with special ATM motors or by controlling the number of strokes by minute. In motor driven pumps, the number of strokes/min. is controlled via integrated VFDs.
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Dry feeders are designed for the metering of granular materials. They can be either manually controlled or electronically controlled via a 0/4 to 20 mA signal or else. Generally the dry feeders include a screw pump and a hopper. Vibrators can also be integrated in the unit if required.
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Pumps are of the internal gear type and self-priming. Available range is suitable for viscosities up to 250,000 Cst and for temperatures up to 250 °C. Pumps size starts from 1 to 8 inches with pressure up to 16 bar. The pumps can be monoblock or connected to the motors through flexible couplings. Wide range of materials of construction is available including Stainless Steel, Carbon steel and cast iron. Magnetic coupled pumps are also available for hazardous application.
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The range of plastic pumps includes end suction centrifugal pumps in horizontal or vertical arrangement. Submerged pumps are also available. Horizontal pumps can be either monoblock or connected to the electrical motors through flexible couplings. They can also be supplied with magnetic drive for hazardous application if required. Materials available can be PVC, PP, PVDF, GRP or PTFE.End suction pumps:End suction pumps available are available in horizontal or vertical installations. The pumps can be either monoblock or connected to the motors through flexible couplings. Back pullout pumps are also available for ease maintenance.
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Pumps for process and special applications are available in wide range of material configurations including -beside the plastics- the Stainless steel 316L, special cast iron abrasion resisting alloy, Titanium...etc. There are also different type of impellers available including the vortex fully recessed impellers, shrouded and open impellers and channel impellers. Pumps arrangement can be horizontal, vertical, submerged (cantilever whenever possible depending on the pit depth) and submersible. Different sealing can be provided including -but not limited to- single mechanical seal, double mechanical seal, hydrodynamic seal and magnetic coupled. Applications: Chemical industry, paper and pulp industry, sugar industry, petrochemical industry.
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The axial flow are widely used in irrigation and fish farms. They are dealing with large capacities up to 10,000 l/s and low heads. These pumps are custom made. The materials used in manufacturing include the carbon steel, stainless steel and plastics (such as the PE and GRP).
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The range of the automatic control valves includes valves that control the flow, pressure, level or combination of these parameters. The valves are pilot operated and are available with sizes from DN 25 to DN 1200. Materials available include -but not limited to- Ductile Iron, Stainless Steel, Bronze and Cast Steel. Standard pressure control valves include pressure reducing, pressure sustaining and pressure relief. Flow control valves include excess flow control and rate of flow control valves. The level control can be modulating or on/off with float or without float (altitude valves). Applications: Waterworks, irrigation, marine...etc.
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The range includes several types of control valves that suit many processes. Valve can be electrically controlled or pneumatically controlled with integrated pneumatic positioners. Valves range include V-port ball valves, high performance and resilient seated butterfly valves, rotary valves, Iris diaphragm valves, globe control valves, plug valves and many others. Applications: Food industry, paper industry, sugar industry, chemical industry, petrochemical industry, power industry.
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The range of isolating valves includes many types and sizes that suit most of the applications. Among these types, we can list the resilient seated gate valves with sizes up to DN 1200, the plug valves with sizes up to DN 1800, knife gate valves with sizes up to DN 1800, resilient seated butterfly valves up to DN 4800, diaphragm valves, ball valves.
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The range of manual process valves include -beside the range of plastic valves- globe valves, resilient seated butterfly valves, high performance butterfly valves, knife gate valves, ported knife gate valves, Iris valves, diaphragm valves.
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Plastic valves are available in different materials including PVC, C-PVC, U-PVC, PP and PVDF. Pressure can be up to 16 bar depending on the valve type and material. Valves types available are ball with sizes up to DN 100, diaphragm up to DN 100, butterfly (lug and wafer patterns) up to DN 300.
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The range of sluice gates includes gates that are fixed on the concrete wall either directly with anchor bolts or with wall thimbles. These gates can be circular or rectangular, tailor made with sizes that exceed 3,000 mm. Other available gates are the fabricated gates suitable for fixation on wall or on channels. Materials of fabrication include stainless steel and carbon steel. Other available types of gate are roller gates, tainter gates, crest gates and others.
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Designed for precise flow control and high head applications (to 500'). Normally used for regulating flow through the outlet works of dams, bonneted gates are essentially a completely enclosed slide gate that is manufactured to be embedded (except for the actuator) in concrete. The Bonneted Slide Gate is similar to a large rectangular, or square, gate.
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The range of sluice gates includes gates that are fixed on the concrete wall either directly with anchor bolts or with wall thimbles. These gates can be circular or rectangular, tailor made with sizes that exceed 3,000 mm. Other available gates are the fabricated gates suitable for fixation on wall or on channels. Materials of fabrication include stainless steel and carbon steel. Other available types of gate are roller gates, tainter gates, crest gates and others.
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The range of sluice gates includes gates that are fixed on the concrete wall either directly with anchor bolts or with wall thimbles. These gates can be circular or rectangular, tailor made with sizes that exceed 3,000 mm. Other available gates are the fabricated gates suitable for fixation on wall or on channels. Materials of fabrication include stainless steel and carbon steel. Other available types of gate are roller gates, tainter gates, crest gates and others.
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Level or flow control gates to create impoundments in waterways, or to increase dam crests. Hinged crest gates are mounted on the crest of a dam and are hinged along the invert. There are several types of hinged crest gates, but they all lower to open, and raise to close. All hinged crest gates are of fabricated steel construction, and have either a straight or a curved shape, sometimes to fit the shape of the crest when the gate is in the lowered position.
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For larger openings (or in high head applications), fabricated roller gates control flow and reduce operating loads. Emergency (gravity) closure, with manual or power operation.
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Designed for spillway or open channel flow control, tainter gates are normally used to control the flow of water or wastewater over a dam or drainage structure to provide a wide and unobstructed opening. A variety of "designed-in" and field adjustment features.
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The range of flowmeters covers a wide range of applications. It includes magnetic flowmeters with sizes up to DN 3000 and accuracy up to 0.25%, turbine flowmeters for sizes up to DN 1000 and accuracy of 2%, ultrasonic flowmeters suitable for pipes up to DN 2500 with accuracy of 2% and propeller meters up to DN 3000 and accuracy of 2%. Wide range of materials is available including the plastic option such as PP, PVC and PVDF and the metallic option including stainless steel, carbon steel and others. Flowmeters can be of the insertion type (turbine, magnetic or propeller) or flanged type (magnetic or propeller). The propeller flowmeter can be integrated wither with a mechanical or an electronic dial. All flowmeters are ready to measure the rate of flow as well as flow totalization. Units can be easily adjustable to be in l/s, GPM or else. Most of the meters have also the capability to send control signals 0/4 to 20 mA and/or other types of control signals.
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The level meters available include the ultrasonic meters that are able to monitor the level in closed and open tanks. The meters have also the capability of transmitting a control signal 0/4 to 20 mA or else. There is also a wide range of magnetic level meters, which are used to monitor the level inside closed tanks. This type of meters is tailor made depending on the tank dimension. Different materials are available including stainless steel and plastic. There are also many types of level switches including the traditional float switches and conductivity switches.
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Consistency transmitters are considered as the core of the paper industry. They are used to measure the consistency during the manufacturing process. They are normally connected to control valves to control very accurately the amount of water added. Many types of consistency transmitters are available in the range including the blade type and the rotating type, which is suitable for pipe sizes up to DN 200.
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