Ammonia (R-717) Liquid Recirculation Pump Skid APS-2412 with Stainless Steel Process Piping

Pump skid for an industrial ammonia (R-717) refrigeration system: liquid from the recirculator vessel above is pumped to the evaporators at a 4:1 recirculation rate. Sized for 300 TR (1055 kW) at -20 °F. Design features: - 2 x 100 % hermetic sealless pumps (duty + standby), 75 gpm (17 m³/h) each at about 115 ft head - Process piping ASTM A312 TP304L Sch 10S, butt-welded; fittings A403 WP304L; flanges A182 F304L Class 300 RF WN - Design 250 psig, -50 °F to +120 °F; ASME B31.5, ANSI/IIAR 2, ASME B16.5 / B16.9 / B16.11, AWS D1.1 - Per pump: suction stop valve, Y-strainer, eccentric reducer, oil drain leg with quick-closing drain valve, suction and discharge gauges, discharge stop/check valve and minimum-flow bypass orifice - Connections: N1A/N1B 4 in suction from the vessel above, N2 2 in pumped liquid, N3 1 in minimum-flow return; shipped with blind flanges - Welded A36/A500 frame painted RAL 7024, with lifting lugs, anchor holes and high-density PUR cold supports - NEMA 4X stainless steel disconnects and junction box - Overall approx. 2400 x 1238 x 2109 mm, dry mass about 1045 kg, 90 components in the assembly Included: general arrangement drawing, skid frame weldment drawing, pump suction line and pump unit drawing, discharge header and bypass drawing with bills of material, concept image, rendered views and a STEP model of the assembly. Third angle projection.