Round duct system

Ventilation » Round duct system

Segmented Round Ventilation Elbow 30°

manufacturer: Akvilon | Kods: VASLI30

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Round Ventilation Bend 15° with Rubber Gasket

Product Description

The round 15° bend is designed for the smoothest adjustment of the ventilation route direction. The minimal turning angle ensures virtually zero aerodynamic resistance and guarantees noise-free operation in the duct.

To ensure the best performance, we use two different manufacturing technologies:

For small diameters (from 100 to 200 mm), pressed (seamless) bends are used. Thanks to the absence of seams, they feature a perfectly smooth inner surface.

Starting from a diameter of 250 mm, bends are manufactured using segmented technology. They are assembled from separate segments using a seam lock. All bends are equipped with a rubber gasket (EPDM) for air tightness class "D".

Key Features

SAFE System: The products feature specially treated, rounded edges (rolled). This gives the part extra rigidity and makes installation safe for hands.
Pressed (diameters from 100 to 200 mm): Manufactured by deep drawing. Characterized by perfect geometry.
Segmented (diameters from 250 mm): Manufactured by assembling segments. The construction is reinforced with seam locks.
Minimal Resistance: The 15° angle creates the lowest airflow resistance among all bend types.
Air Tightness Class D: The factory-installed EPDM gasket guarantees a tight connection without the use of sealant.

Available Diameters and Specifications

Key parameters of 15° bends with gasket
Diameter (mm)	Manufacturing Type	Weight (kg)*	Article
80	Pressed	0.20	VASLI1580P
100	Pressed	0.30	VASLI15100P
125	Pressed	0.30	VASLI15125P
160	Pressed	0.50	VASLI15160P
200	Pressed	0.60	VASLI15200P
250	Segmented	0.69	VASLI15250
315	Segmented	0.90	VASLI15315
355	Segmented	0.90	VASLI15355
400	Segmented	1.33	VASLI15400
450	Segmented	1.70	VASLI15450
500	Segmented	2.81	VASLI15500
560	Segmented	3.69	VASLI15560
630	Segmented	4.32	VASLI15630
710	Segmented	5.37	VASLI15710
800	Segmented	6.05	VASLI15800
900	Segmented	9.69	VASLI15900
1000	Segmented	10.86	VASLI151000

* Weight is approximate and may vary slightly depending on the steel batch.

Application and Installation

Connection: The bend is inserted directly into straight ducts. To connect two bends together, use a female coupling.
Fixation: It is recommended to use self-tapping screws or rivets, followed by sealing with aluminium tape.

Custom Manufacturing of Segmented Bends

The main advantage of segmented technology is manufacturing flexibility. In our workshop, we can produce bends for any project requirement:

Non-standard Angles: In addition to standard 15°, 30°, 45°, 90°, we can manufacture bends with any intermediate turning angle.
Modified Radius (R): The standard bend has a radius of R = D. Upon request, we manufacture bends with an increased radius (R = 1.5D or R = 2D).
Materials: Manufacturing from stainless steel (AISI 304/316) or aluminium.
Without Gasket: Segmented bends can be manufactured without a rubber gasket.

Availability and Ordering

Availability: Standard items (pressed diameters from 100 to 200 mm and segmented from 250 mm) are kept in stock.
Made to Order: Please check manufacturing times for non-standard segmented bends with our managers.