840-3D / 860-3D
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Limitless opportunities with flexible, built-to-fit technology

2 840-3D I 860-3D Limitless opportunities with flexible, built-to-fit technology 840-3D I 860-3D The 840-3D (globe) and 860-3D (angle) control valve utilizes some of the most advanced manufacturing techniques as it benefits from a highly customized 3D printed trim. It brings multi-path, multi-stage, low noise and anti-cavitation DRAG® technology to the next level by providing the best control with great rangeability. It comfortably delivers process performance while minimizing losses caused by valve leakage. Top entry design Teflon and Graphite seals available Multi-stage DRAG® Control...

Benefits Simple to change capacity and flexible trim design Over time, your process conditions may change. With the use of additive manufacturing and its compact design characteristics, new internals can be redesigned or modified to suit your new process conditions. ■ Tight Shutoff • Shut off classes from ANSI IV Easy maintenance Top entry design allows for quick • inspection or trim change. Actuation • wide selection of actuation is A available including pneumatic, electric, and top-mounted manual options. ■ Product Specification Valve size Flow characterisation Temperature range Linear,...

4 840-3D I 860-3D Limitless opportunities with flexible, built-to-fit technology Cavitation in Control Valves Cavitation in control valves is damaging, resulting in loss of control and frequent replacement of spare parts. It can create excessive air borne noise, erosion of metal parts, and pressure transients that result in valve and/or piping vibration and potentially fatigue failure. 840-3D I 860-3D (or 840/860-3D) have been designed to eliminate the root cause of cavitation though a custom made valves trim which controls the pressure drop letdown of your particular conditions so that...

Reliable Solution to Cavitation With its fit for purpose trim, the 840/860-3D is designed with custom made multi-path, multi-stage channels, allowing compact trim design with high number of stages to reduce exit velocity. This improves the reliability of valve internals by reducing damage at start up and when throttling at low stroke. Figure 5 shows an example of trim damage resulting in leakage that reduces plant efficiency and increases operating costs. Trim Exit Velociyt (ft/sec) Excessive velocity results in increased trim damage Figure 5 Cavitation damage on internal parts Figure 6...

6 840-3D I 860-3D Limitless opportunities with flexible, built-to-fit technology Additively Manufactured Components Through state-of-the-art 3D printing, the 840/860-3D flow control elements are customized to your specific needs. It’s a streamlined production process that uses fewer materials and produces less waste. It also improves delivery time of spares as parts can be manufactured faster than with conventional methods. The 840/860-3D uses the Powder Bed Fusion process, which consists of printing thin layers of metal powder at selected points to form a fully formed monolithic piece of...

Materials Component Item no. Material Options Carbon steel, chrom-moly steel, stainless steel, other 316SS ChrPit or Stellite, 410 SS HT, N06625, UNS Stellited 316SS ChrPit, UNS SS Heat Treated, N07718, 17-4PH 316SS, 316SS with Stellite, 410 SS HT, N07718, UNS Stellite Disk stack Balance cylinder Carbon steel, chrom-moly steel, stainless steel, other Soft Parts Gasket Spiral wound: 304 or 316SS with teflon, grafoil Flat: Teflon(TM), Grafoil (TM), soft filters Balance Seal Glass filled TFE, EPDM, Vilton(TM), Graphite(TM), inconel, carbon V-TFE, glass filled Teflon(TM), Graphite(TM), bellows...

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