Mobrey™ Hydrastep
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Product Data Sheet May 2019 BP2468, Rev FC Mobrey™ Hydrastep Water/Steam Monitoring System Electronic gauging system for steam drum level measurement Fault tolerant and fail safe design Electrodes available for up to 1040 °F (560 °C) and 4350 PSI (300 Bar) with a choice of insulators High clarity local and remote displays 4–20 mA output proportional to water/steam interface level Relay outputs for level alarms and high or low level trips ASME approved design and 'Sole gauge' compliant with internati

Hydrastep 2468 Electronic Gauging System Failure to detect low water levels in steam-raising plant can have costly and potentially disastrous consequences. Reliable water level detection is vital to prevent damage to plant and personnel. The Hydrastep electronic gauging system is the ideal ‘fit and forget’ solution to overcome the problems associated with unreliable and maintenance- intensive gauge glasses. Designed for totally reliable operation, Hydrastep is both fail-safe and fault tolerant. Modern boilers are designed to provide clean, dry steam. Detection of incorrect water level in...

Hydrastep Ordering Information Control unit  Control unit (see Table 1 on page 3) A Hydrastep electronic steam/water gauging system comprises: Water column (see Table 2 on page 4)  Electrodes (see Table 3 on page 4) Anti seize compound (see Table 4 on page 4) Electrode cables (see Table 5 on page 5)  Remote display (optional, see Table 6 on page 5) Specification and selection of product materials, options, or components must be made by the purchaser of the equipment. See page 6 for more information on Material Selection. Table 1. Hydrastep Control Ordering Water column, electrodes, and...

Table 2. Hydrastep Water Column Ordering Information Product Description Low pressure (up to 1740 psi / 120 bar) water column (schedule 80 process connections) – see Table 7 on page 7 High pressure (up to 3045 psi / 210 bar) water column (schedule 160 process connections) – see Table 7 on page 7 Super critical (up to 4350 psi / 300 bar) water column (schedule XXS process connections) – see Table 7 on page 7 In-line Design In-line design (top-and-bottom process connections) No Code(3)(4) Side-arm design (side-and-side process connections with hanger) Distance Between Top and Bottom Tappings...

Table 5. Hydrastep Electrode Cables Ordering Information Product Description 10 ft. (3m) multi-core electrode cable (for up to 8 electrodes) 33 ft. (10 m) multi-core electrode cable (for up to 8 electrodes) 60 ft. (18 m) multi-core electrode cable (for up to 8 electrodes) 98 ft. (30 m) multi-core electrode cable (for up to 8 electrodes) Select two cables if there are 8 to 16 electrodes in the column or select four cables if there 18 to 32 electrodes in the column. Table 6. Hydrastep Accessories Ordering Information Product Description 24683BB 32 point remote display, small DIN panel mount...

Specifications Material selection Delta Mobrey provides a variety of products with various product options and configurations including materials of construction that can be expected to perform well in a wide range of applications. The product information presented is intended as a guide for the purchaser to make an appropriate selection for the application. It is the purchaser’s sole responsibility to make a careful analysis of all process parameters (such as all chemical components, temperature, pressure, flow rate, abrasives, contaminants, etc.), when specifying product, materials,...

Mechanical Weight 26.4 Ib (12 kg) Stainless steel 304, wall mounting (four point), IP65 / NEMA4X Control Unit Enclosure 16.7 in. high x 12.8 in. wide x 6.4 in. deep (425 mm x 325 mm x 163 mm) 24683BB (Case style: DIN Panel Mount) 24683C (Case style: Large Panel Remote Display Unit Enclosure Mount) 24683D (Case style: IP65 Wall Mount) Approvals ATEX CSA FM LVD Pressure Equipment Directive Electromagnetic Compatibility 1. II 3G Ex nA IIC T4 Gc X (–20 °C  Ta  65 °C) (Canada) Ex nA [nL] nL IIC T4, (USA) CIass 1 Zone 2, AEx nA IIC with relay output connected only to energy limited circuits...

Dimensional Drawings Figure 2. Hydrastep Enclosure Dimensions are in inches (mm). 16.06 (408) 15 (381) 12.8 (325) 2 Slots 0.43 (11) Wide Cable Gland Plate Usable Area:-8.27 x 3.15 (210 x 80) See Note 3 6.42 (163) NOTES: 1. Weight: 12 kg 2. IP Rating: IP65 / NEMA4X 3. Material Thickness Between Cable Gland Holes Must Be 9 mm Minimum. 4. 'Enclosure: Stainless steel

Figure 3. Hydrastep DIN Panel Mount Remote Display (24683BB) Front view 0.078 (2) minimum panel thickness Rear view Panel cut-out A. Panel retaining clamps (two positions) B. Input terminals Dimensions are in inches (mm). Allow space at the rear for cabling.

Figure 4. Hydrastep Large Panel Mount Remote Display (24683C) Front view Panel thickness: 0.078 (2) minimum 0.78 (20) maximum Rear view Panel cut-out A. Panel retaining clamps (two positions) B. Input terminals Dimensions are in inches (mm). Allow space at the rear for cabling.

Figure 5. Hydrastep Wall Mount iP65 Remote Display (24683D) 7.48 (190) Front view Bottom view Cable size Ø0.35 to Ø0.5 (Ø9 to Ø12.8) Cable size Ø0.24 to Ø0.4 (Ø6 to Ø10) A. Wall mounting points (four positions) Dimensions are in inches (mm)

Product Data Sheet May 2019