DELLOK A789 Embedded Fin Tube - 1" OD 8FPI Grooved G-Type with UNS2205 Duplex Stainless Steel

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Delivery Time: within 15days

Brand: DELLOK

Product Description

DELLOK A789 Embedded Fin Tube Overview

The DELLOK A789 Embedded Fin Tube features UNS2205 duplex stainless steel construction with copper fins, designed for high-performance heat transfer applications. This 1-inch OD tube with 8FPI grooved G-type configuration delivers exceptional thermal efficiency in demanding industrial environments.

Technical Specifications

Core Specifications

Tube Outer Diameter: 50.8mm (2") maximum
Tube Length: Custom lengths available
Fin Height: Up to 16mm maximum
Fin Thickness: 0.4mm average (0.25mm-0.6mm range)
Fin Pitch: 2.1mm minimum (12FPI)

Materials & Standards

Component	Materials	ASTM Standards
Core Tube	Carbon steel, stainless steel, brass, copper, copper-nickel alloys	A179, A192, SA210 Gr A1/C, A106 Gr B, TP304/304L, TP316/316L/316Ti, A789 S31803/S2205
Fins	Aluminum (Alu.1100/1060/1050), Copper, Steel	ASTM/ASME A789/SA789, A790/SA790, A450, A530

Performance Features

High wall temperature capability up to 350°C
Zinc or aluminum electro spray arc system coating
Groove depth approximately 0.4mm for secure fin attachment
Tube ends square cut, burr-free, internally dried and cleaned
External varnish coating at both ends

Applications

Heat exchangers for power plants (electric, nuclear, thermal, geothermal)
High corrosive systems (condensers, evaporators, sea water desalination)
Petroleum, chemical and petrochemical industries
Food processing and refrigeration industries
Natural gas treatment systems

Manufacturing Capabilities

7 dedicated G fin finning machines
Daily production capacity up to 7,000 meters
In-house designed and assembled finning equipment
Comprehensive accessory support including tube support boxes and clamps

Quality Assurance

All products manufactured according to API Standard 661 (Air-Cooled Heat Exchangers for General Refinery Service) with comprehensive acceptance criteria and quality control processes.