Shell & Tube Heat Exchanger – Nitrogen Filled, Anti-Corrosion, with Safety Labels for Hot Surface & Asphyxiation

This heat exchanger is manufactured by YUHONG GROUP, suitable for heat transfer between two fluids (e.g., steam/water, oil/cooling water). The unit shown in pictures features a robust shell & tube design, with flanged connections and a durable painted finish. Each unit passes factory quality inspection and carries a “Qualified” label.

Key Advantages

1. Overview

   Nitrogen Protection – The internal cavity is purged and filled with nitrogen before shipment, preventing rust and oxidation during storage or long sea freight.

2. Safety Warnings – “Caution: Hot Surface”, “Equipment Protection Required”, and “Danger: Asphyxiation Risk” labels are affixed to remind operators of high temperatures and oxygen deficiency when opening the unit.

3. Traceable Quality – Branded with YUHONG GROUP logo and serial number.

Technical Features (typical range, confirm with drawing)

• Type: Fixed tubesheet or floating head (available)

• Tube material: SS304, SS316L, carbon steel, or copper

• Shell material: Carbon steel (Q235B/Q345R) or stainless steel

• Design pressure: 0.6 – 4.0 MPa

• Design temperature: -20°C to +300°C

• Gasket: Non-asbestos / spiral wound

• Flange standard: HG/T20592 or ANSI B16.5

Applications

Chemical reactors, power plant cooling, HVAC district heating, food processing (sanitary SS), marine engine cooling.

Shipping & Documentation for Courier (e.g., to Korea)

• Packed in fumigation-free wooden case or heavy-duty carton with foam padding.

• Nitrogen filling port sealed.

• Documents (commercial invoice, packing list, FTA certificate of origin / CO) placed in a waterproof pouch attached to the outside of the carton.

• Scanned copies emailed in advance for customs clearance.

Maintenance

Before first use: vent nitrogen, purge with dry air.
During operation: monitor ΔT and pressure drop.
Long-term storage: recharge nitrogen and keep in dry warehouse.

Why YUHONG GROUP

• ISO9001 certified, pressure vessel manufacturing capability.

• OEM sizes, materials, and standards available.

• On-time delivery via courier or LCL.

• Full documentation support for smooth customs clearance