Petrochemical: Mitech Product Range

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Damper Valve

Mitech’s Dampers are ideally configured for gas control applications where a tight shutoff is not required. They can be made suitable for high pressures and/or temperatures and are much more cost-effective in these applications than Disk valves. Dampers are effectively similar to Butterfly valves except that they are not fitted with Damper to body seals. Dampers are subject to a leak rate not exceeding 1% of their rated flow. Bodies and disks can be manufactured from carbon or stainless steels and shaft seals can be either PTFE or graphite, depending on the operating temperatures. Dampers can be produced in flanged, wafer or lugged pattern and can be designed in single-door, double-door or oblong vane-type configurations. They are available in sizes from 200 mm to 2 500 mm with flange ratings of up to #600. Larger sizes are available upon request.

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Linear

Globe Control Valve

Mitech Globe Control valves are general purpose control valves that can be engineered to solve both complex and basic requirements. Their robust construction makes them long-lasting and easy to maintain, while their modular design makes them easy to specify, reducing spares inventory requirements. From standard to severe service½” to 24” NBUp to ANSI 4500Tight shut-off, low noise, cavitation control, energy dissipating trims

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High Pressure Stop Globe Valve

Mitech’s High Pressure Stop Globe Valves feature the same robust, low maintenance design characteristics as the rest of the Mitech range of control valves. Designed to handle some of the industry’s most extreme high pressure and high temperature applications, while providing low cost, hassle-free inline maintenance. This one piece forged body design is available in the following: T-pattern body styleSizes ½” through 2”Pressure rating up to ANSI 2500Temperature rating -29°C to 620°CMaterials A105, A182-F22, A182-F91, A182-F316

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Hygienic Valve

Mitech’s Hygienic valves are ideal for use in temperatures up to 150°C in the food, brewing and medical industries. The valves are cavity free allowing them to be easily cleaned, while their mirror-polished surface discourages bacteria growth. The valve body is manufactured in 316 stainless steel and is offered in sizes from 25 mm to 100 mm meeting ANSI # 150 or ND 16 requirements. Actuators are available with either a double acting or spring return mode with a field reversible fail closed or fail open action. The actuators are rated for 1 000 kPa operation and have Buna N or Viton ‘O’ ring seals.

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Positioners

The range of pneumatic and electro-pneumatic positioners is easy to set up and calibrate. Their modular design makes them versatile and suitable for almost any pneumatic application. They are field reversible and corrosion resistant. Modular designRotary, Linear, Single and Double ActingEx ia as a standard20 - 100 kPa, 4 - 20 mASuitable for up to 10 bar air supply

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Rotary

Rotating Disc Valve

The locally designed and manufactured Rotating Disc Valves feature a unique rotating/shearing disc which provides a self-lapping rotation and enhanced seat cleaning action which cuts through solids giving a long-lasting tight shut-off. The metal-to-metal seating makes the valves abrasion resistant over a wide temperature range. Their high pressure capability, which is better than industry standards, allows the force to be distributed over a larger area resulting in reduced trim wear.

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Linear

Sweep Angle Valves

Mitech’s Sweep Angle Control valve is ideally configured for service with highly erosive liquids where pressures and/or temperatures are too high for pinch valves or similar slurry valves, and also for applications where severe flashing is expected. The plug and seat can be manufactured in hard material (up to and including Tungsten Carbide or other Ceramics) and the body can be boronized or coated with High Velocity Spray Coated Tungsten Carbide in critical areas.

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