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The Vahn-Tech Series VT-OMX Explosion Proof Electric Actuators offer torque ranges from 35 Nm to 1,500 Nm (310 in-lb to 13,280 in-lb). All models are ISO 5211 compliant and are equipped with a visual position indicator. The manual override can be operated without clutch and brake. VT-OMX series explosion-proof quarter-turn electric actuators are structured as flame-proof and combustible dust-proof. The directive and standards marking are II2GD Ex db IIB T4 Gb, Ex tb IIIC T130°C Db. They are classified as Zone 1 or Zone 2, containing Group II A and Group II B gases, Zone 21 or Zone 22, containing combustible dust atmospheres or explosive gas atmospheres and combustible dust atmospheres. Temperature group T1 to T4.
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N2X's unique Dual Valve Regulating Control system (DVRC) can control the nitrogen set point with a market leading accuracy of +/- 0.25 psi control. Using patented control algorithms while implementing a complete understanding of the application, N2X can assure you that required relief set points are accurately and reliably maintained.Not only does this technology assure that no unexpected events result in environmental release and/or OHS incidents, it reduces costly and frequent field visits due to system alarms. Our systems also increase the life of typical nitrogen consumption by not exhausting as much nitrogen as non-proportionally controlled systems.
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The HK control system provides NCS series functionality with the added protection of an enclosure as well as temperature compensation through internal heating and regulation. This series encloses the entire control system with only externals components being the plenums and nitrogen cylinders. Our stands provide the ability to affix plenums or nitrogen cylinders. Other customer requested options can be integrated into this control system.With the plenum bottles still likely being exposed to the elements, we would recommend investing in our Temperature Control Accessories to minimize pressure compensation within the system.
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The POD series is engineered for ultimate temperature control and accessibility. It encloses the control system and required plenums in a cabinet large enough for site personnel to enter. The rear of the cabinet has a drop down ramp access to the high-pressure nitrogen cylinders for when replacements are required. Nitrogen adjustment can be made without opening the heated area.With our ability to fabricate and test in the USA and Canada, we can design to build the POD series control system to your required specifications. All engineering phases necessary will be exercised with this elite control system technology.
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N2X complete surge relief skid system can provide a cost-effective modular solution in lieu of on-site construction. It includes N2X's industry leading NCS nitrogen control system housed in the POD nitrogen control cabinet, surge relief valves, isolation valves, plenums, piping, fitting and platform, all mounted on a skid. Based on the transient hydraulic analysis, the complete sytem is designed to ensure accurate, reliable, and repeatable control accuracy of your pipeline overpressure protection.
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DiamondBack trim prevents cavitation from forming and minimizes hydrodynamic noise even in the most challenging liquid applications. Staged pressure drops eliminate cavitation by maintaining pressure above the vapor pressure, never allowing cavitation to form. DiamondBack combines new advances in pressure drop management with previously proven technologies to create the most effective device capable of eliminating cavitation in the most demanding services.
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Multi-Z valves are used if solids are entrained in the medium and if there is a possibility of cavitation forming. In addition this multiple stage valve is capable of reducing high-pressure differentials via a multiple stage relief process. Flowserve reduces pressure via division in partitions, a course which is different to that pursued by other suppliers. The major advantage is a noticeable reduction in wear combined with an extremely low-noise control valve. Likewise deviating from conventional procedures, in order to avoid cavitation a physically optimized technology has been implemented that achieves significantly better results.
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SideWinder trim prevents cavitation from forming and minimizes hydrodynamic noise in high pressure drop, low flow applications. Staged pressure drops eliminate cavitation by maintaining pressure above the vapor pressure, so that cavitation never forms. Using the proven DiamondBack advanced pressure drop mechanisms in an axial flow configuration producing precise control in low flow conditions.
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The Valtek GS is a fully integrated valve-actuator-instrumentation package for a continuous process, non-critical flow loop controlled throughout the plant. Engineered from the ground up, the Valtek GS has achieved optimum performance at minimum total cost. It does this by pursuing the simple design philosophy of building an instrumented control valve package that is “everything it needs to be” by providing the breadth and depth of engineered control under the Valtek trusted name.
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The Vahn-Tech Series VT-S Spring-Return Fail-Safe Electric Actuators in addition to the normal function (floating control, on-off control, modulating control) are designed to provide fail-safe positioning of valves and dampers upon loss of power supply. A mechanical spring set is used to position the controlled device to either the fully OPEN or fully CLOSED position without any external power source. For ON-OFF type, a mechanical buffer is employed at the end of the spring stroke in order to reduce the dynamic effects of the spring return system. A clutch-free manual override is available as an option for standard units to provide full-time manual positioning of the valve.
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The Vahn-Tech Series VT-SX Explosion Proof Spring-Return Fail-Safe Electric Actuators in addition to the normal function (floating control, on-off control, modulating control) are designed to provide fail-safe positioning of valves and dampers upon loss of power supply. A mechanical spring set is used to position the controlled device to either the fully OPEN or fully CLOSED position without any external power source. For ON-OFF type, a mechanical buffer is employed at the end of the spring stroke in order to reduce the dynamic effects of the spring return system. A clutch-free manual override is available as an option for standard units to provide full-time manual positioning of the valve.
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N2X stocks and distributes a full range of high-density, fine-grain, wear-resistant alumina ceramic hex mats (hexagonal tiles). Our CER-1200 grade of alumina ceramic is next to diamond in hardness, is 12 times more wear-resistant than carbon steel, and exhibits excellent corrosion resistance.Wear-resistant hex mats prevent erosion and abrasive wear in conveying and bulk material handling systems. Their flexible design allows for lining of intricate systems including fan blades, chutes, hoppers, and more.
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The Vahn-Tech Series VT-BV-T is an API 6D compliant and monogrammed trunnion mounted ball valve available in standard pipeline soft-seated configuration, as well as specialty metal-seated, high-temperature, acid gas and CO2 configurations. Seats designs can be configured as Single Piston Effect (SPE) and Double Piston Effect (DPE), providing verstatility to suit any application requirement for Double Block & Bleed and Double Isolation & Bleed.
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The Vahn-Tech Series VT-BV floating ball valves are designed to provide maximum service life and durability. Designed with extensive safety considerations including provision of locking devices, blow-out proof stems and prevention of misalignment of lever handles provide safe handling in the field. To ensure smooth plant operation, antistatic devices, fire safe seal design and cavity pressure relief features are provided.