Hydrastep Pressure Parts | Unit Description |
4.5WATER COLUMN (H.P. SUPERCRITICAL)
The high pressure water column is manufactured from 2” NB SCH ΧΧS stainless steel pipe. The inserts used are made from Stainless steel and are welded into position on the water column body.
The top cap and the drain components of the water column are manufactured from forged stainless steel, the drain components being available in ¾” and 1” sizes. A lug is machined on the top cap to accept a vertical forked member for support of the water column when in situ.
The steam and water connections are made from 1” NB SCH ΧΧS stainless steel pipe with weld preps already machined to weld the water column to the steam system.
The electrode covers are fabricated from stainless steel with support blocks attached to the column body. The covers are held in place by screw fasteners.
The complete assembly is of welded construction, with the welding to ASME ΙΧ requirements. The materials and design are to ASME B31.1.
The completed water column undergoes pressure proof tests at 150% of duty pressure after manufacture.
For further details on the water column dimensions, etc., refer to Figure 1.3 in Chapter 1, part two of the manual.
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