Oeltechnik Air Cooled Heat Exchangers

Oeltechnik Air Cooled Heat Exchangers  Features:

• Air-cooled heat exchanger
• Rectangular bundle design with finned or bare tubes
• Fluid: any gas or liquid
• Used in: refineries, chemical plants, …
• Technological steel construction
• API 661 Standard or customer’s specifications
• Produced according to all national and international regulations
• Nationally and internationally certified (China, Poland, Hungary,…)

Material combinations:

Overview:

	This arrangement, where air is pushed across the bundle, meets API 661 “forced draft”. Advantages: Fans are easily accessible Lower operating costs Better thermal performance of the heat exchanger
	This arrangement, where air is pulled through the bundle, meets API 661 “induced draft”. Advantages: Provides more uniform air distribution across the bundle Protection from adverse weather (direct sun-shine, hail, heavy rain, snow)
	This header design, with a flanged cover-plate, meets API 661 “removable cover-plate header”. Use: Highly soiled fluids with frequent tube cleaning intervals on the inside of the tubes.
	This header design, with a shoulder plug opposite to each tube end, meets API 661 “plug header”. Use: Fluids under high pressure on the tube side (e.g. gases). If the plug has been removed, the tubes behind it can be cleaned, re-rolled or closed.
	The axial fan with driver optionally available ex-proof along with ex-certification (e.g. ATEX, …) driven by IEC or NEMA standard motors Direct drive Geared motor Motor with belt drive (V-belt drive, variable speed drive)
	The bonnet header with a half pipe end construction. Use: With clean products on the inside of the tube and/or with a low leakage requirement.

Header design:

Bonnet header (welded D Type)	Removable cover-plate header	Plug header
	with through bolts with stud bolts
Design range: standard:? up to 25 bar, costumized design possible up to 100 bar	Design range: up to 40 bar, ?customized design possible with higher pressure	Design range: up to 250 bar