JZ-HL-AL

Jalousieklappe JZ-HL-AL

Jalousieklappe ohne Anbauteile und Zubehör

JZ-HL-AL

Multileaf dampers made of aluminium for low-leakage shut-off in air conditioning systems

Rectangular multileaf dampers for volume flow and pressure control as well as for low-leakage shut-off of ducts and openings in walls and ceiling slabs

Maximum dimensions 1200 × 1000 mm
Closed multileaf damper air leakage to EN 1751, class 2
Casing air leakage to EN 1751, class C
Aerofoil opposed action blades
Blades interconnected by gears
Available in standard sizes and many intermediate sizes

Optional equipment and accessories

Actuators: Open/close actuators, modulating actuators
Powder-coated construction
Anodised construction

General information

Application

Multileaf dampers as a control element in volume flow rate and differential pressure control in ventilation and air conditioning systems
For low-leakage shut-off of ducts and openings in walls and ceiling slabs

Special features

Aerofoil blades
Low-maintenance, robust construction
No parts with silicone
Available in standard sizes and many intermediate sizes
Closed cell side seals meet increased hygiene requirements

Classification

Air leakage with closed multileaf damper according to EN 1751: test pressure up to 2000 Pa

Class 2

Nominal sizes

B: 200 – 1200 mm, in increments of 1 mm
H: 100, 150, 200, 250, 300, 350, 400, 450, 500, 550, 600, 650, 700, 750, 800, 850, 900, 950, 1000 mm
Any combination of B × H

Parts and characteristics

Ready-to-install shut-off damper
Blades with gears
Drive arm
Quadrant stay with blade position indicator
Operating temperature 0 to 60 °C

Attachments

Quadrant stays and limit switches for the infinite adjustment of the multileaf dampers and for capturing the end positions
Open/close actuators for opening and closing multileaf dampers
Modulating actuators for variable damper blade positions
Pneumatic actuators for opening and closing multileaf dampers

Accessories

Installation subframes for the fast and simple installation of multileaf dampers

Construction features

Rectangular casing, with screws, material thickness 1.5 mm
Blades, material thickness 1.25 mm
Flanges on both sides, suitable for duct connection, with corner holes
Gears on both blade ends
Damper blade shafts, Ø12 mm, with notch to indicate the damper blade position (not for attachment ZS99)
With drive shaft as an attachment: For the position of the drive shaft see 'Dimensions and weight'
With actuator as an attachment: The actuator position at the first blade from the top (with up to 3 blades) or at the third blade from the top (with 4 or more blades)
Blade tip seals

Materials and surfaces

Casing and blades made of extruded aluminium sections
Shafts, bearing plate and position indicator made of galvanised steel
Blade tip seals made of PE/PTV plastic
P1: Powder-coated, RAL CLASSIC colour
PS: Powder-coated, DB colour
S3: Anodised, colour according to EURAS standard, E6-C-0

Standards and guidelines

Casing air leakage to EN 1751, class C
Meets the general requirements of DIN 1946, Part 4, with regard to the acceptable closed multileaf damper air leakage

Maintenance

Maintenance-free as construction and materials are not subject to wear
Contamination should be removed as it may lead to corrosion and to increased closed multileaf damper air leakage

Information technique

Function, Technical data, Quick sizing, Specification text, Order code, Related products

Schematic illustration of JZ-HL-AL JZ-HL-AL_gc_01ai.ai.link

① Casing

② Blade tip seal

③ Opposed blades

④ Gears

⑤ Bearing plate with quadrant stay

⑥ Actuator

Multileaf dampers with gears can only have opposed action blades.

The internal gears transfer the synchronous rotational movement from the drive arm to the individual blades.

The torque for actuating multileaf dampers must be dimensioned so that the damper can be safely opened and closed. For closure, the torque must suffice to ensure complete shut-off by the blades. Opening is initiated without the impact of aerodynamic forces. When air flows through the damper, the aerodynamic forces of the airflow create a closing force (torque) on the blades; this happens independently of the direction of the airflow. This closing force must be countered, or overcome. The blade angle α with the largest torque depends, among other things, on the fan characteristics.

Nominal sizes	200 × 100 mm – 1200 × 1000 mm
Maximum permitted static differential pressure for a closed multileaf damper	2000 Pa
Operating temperature	0 to 60 °C

Minimum torques [Nm]

H	B
H	200	400	500	600	700	800	900	1000	1100	1200
100 – 450	5	5	5	5	5	5	5	5	5	5
500 – 1000	10	10	10	10	10	10	10	10	10	10

Free cross-sectional area [mm²]

H	B
H	200	300	400	500	600	700	800	900	1000	1100	1200
100, 150	0.014	0.022	0.03	0.038	0.047	0.055	0.063	0.071	0.079	0.087	0.095
200, 250	0.028	0.045	0.061	0.077	0.093	0.109	0.126	0.142	0.158	0.174	0.19
300, 350	0.043	0.067	0.091	0.115	0.14	0.164	0.188	0.213	0.237	0.261	0.286
400, 450	0.057	0.089	0.122	0.154	0.186	0.219	0.251	0.284	0.316	0.348	0.381
500, 550	0.071	0.111	0.152	0.192	0.233	0.273	0.314	0.354	0.395	0.435	0.476
600, 650	0.085	0.134	0.182	0.231	0.279	0.328	0.377	0.425	0.474	0.522	0.571
700, 750	0.099	0.156	0.213	0.269	0.326	0.383	0.439	0.496	0.553	0.61	0.666
800, 850	0.113	0.178	0.243	0.308	0.373	0.437	0.502	0.567	0.632	0.697	0.761
900, 950	0.128	0.2	0.273	0.346	0.419	0.492	0.565	0.638	0.711	0.784	0.857
1000	0.142	0.223	0.304	0.385	0.466	0.547	0.628	0.709	0.79	0.871	0.952

Intermediate sizes: Interpolate values between widths.

Sound power level for a closed multileaf damper L_WA [dB(A)]

Δp_t [Pa]	Area B × H [m²]
Δp_t [Pa]	0.04	0.09	0.16	0.25	0.36	0.64	0.81	1	1.2
100	28	32	34	36	38	40	41	42	43
200	37	41	44	46	47	50	51	51	52
500	49	53	56	58	59	>60	>60	>60	>60
1000	59	>60	>60	>60	>60	>60	>60	>60	>60
1500	>60	>60	>60	>60	>60	>60	>60	>60	>60
2000	>60	>60	>60	>60	>60	>60	>60	>60	>60

Installation type

A = Ducts on both sides

B = Air discharge

C = Air intake

D = Air transfer

Quick sizing tables provide a good overview of the sound power levels and differential pressures that can be expected. Approximate intermediate values can be interpolated. Precise intermediate values and spectral data can be calculated with our Easy Product Finder design program.

The sound power levels L_WA apply to multileaf dampers with a cross-sectional area (B × H) of 1 m².

The differential pressures apply to multileaf dampers installed in ducts (installation type A).

Quick sizing – differential pressure and sound power level

v [m/s]	Damper blade position α
	OPEN		20°		40°		60°		80°
	Δp_t [Pa]	L_WA [dB(A)]	Δp_t [Pa]	L_WA [dB(A)]	Δp_t [Pa]	L_WA [dB(A)]	Δp_t [Pa]	L_WA [dB(A)]	Δp_t [Pa]	L_WA [dB(A)]
0.5	<5	<30	<5	<30	<5	<30	22	42	245	67
1	<5	<30	<5	<30	8	35	90	58	985	83
2	<5	<30	<5	32	32	51	350	74	>2000	>90
4	<5	43	12	48	125	67	1390	90	>2000	>90
6	<5	52	24	57	275	76	>2000	>90	>2000	>90
8	10	59	45	64	490	83	>2000	>90	>2000	>90

Rectangular multileaf dampers for volume flow and pressure control as well as for low-leakage shut-off of ducts and openings in walls and ceiling slabs. Ready-to-operate unit which consists of the casing, aerofoil blades and the blade mechanism. Flanges on both sides, suitable for duct connection. The blade position is indicated externally by a notch in the blade shaft extension. Closed multileaf damper air leakage according to EN 1751, Class 2. Casing leakage according to EN 1751, Class C.

Special features

Aerofoil blades
Low-maintenance, robust construction
No parts with silicone
Available in standard sizes and many intermediate sizes
Closed cell side seals meet increased hygiene requirements

Materials and surfaces

Casing and blades made of extruded aluminium sections
Shafts, bearing plate and position indicator made of galvanised steel
Blade tip seals made of PE/PTV plastic
P1: Powder-coated, RAL CLASSIC colour
PS: Powder-coated, DB colour
S3: Anodised, colour according to EURAS standard, E6-C-0

Technical data

Nominal sizes: 200 × 100 mm – 1200 × 1000 mm
Maximum permitted static differential pressure for a closed multileaf damper: 2000 Pa
Operating temperature: 0 to 60 °C

Sizing data

q_v (m³/h)
Δp_t [Pa]

Air-regenerated noise

L_PA [dB(A)]

JZ-HL-AL	/	1200 × 800	/	ER	/	Z64	/	NO	/	P1 – RAL …
\|		\|		\|		\|		\|		\|
1		2		3		4		5		6

1 Type
JZ-HL-AL Low-leakage multileaf damper made of aluminium, closed multileaf damper air leakage to EN 1751, class 2

2 Nominal size [mm]
B × H

3 Installation subframe
No entry required: None
ER With installation subframe

4 Attachments
Z04 Hold open device
Z05 – Z07 Quadrant stay and limit switches
Z12 – Z51 Actuators
ZF01 – ZF15 Spring return actuators
Z60 – Z77 Pneumatic actuators
5 Damper blade safety function
Only for spring return actuators or pneumatic actuators
NO Pressure off/power off to OPEN
NC Pressure off/power off to CLOSE

6 Surface
No entry required: Standard construction
P1 Powder-coated, specify RAL CLASSIC colour
S3 Anodised to EURAS standard E6-C-0

Gloss level
RAL 9010 50 %
RAL 9006 30 %
All other RAL colours 70 %

Order example: JZ-HL-AL/800×500/Z04/S3

Nominal size	800 × 500 mm
Installation subframe	None
Attachments	Hold open device
User interface	Anodised, EURAS E6-C-0, natural colour

Attachments

Type Quadrant stays and limit switches
Type Open/Close actuators
Type Modulating actuators
Type Pneumatic actuators
Type Spring return actuators

Accessories

Type Installation subframe

Dimensions, Product details, Attachments

JZ-HL-AL, standard sizes

Aluminium multileaf dampers, corner holes

Wall installation without installation subframe

Drive shafts (special accessory) upon request

Installation details

Installation and commissioning

With horizontal or vertical blades
With or without installation subframe
Torsion-free installation
Only for installation in internal spaces

Quadrant stays and limit switches

Order code detail	Description	Limit switch	Function
Z04	Hold open device	–
Z05	Hold open device	1	Damper blade position CLOSED
Z06	Hold open device	1	Damper blade position OPEN
Z07	Hold open device	2	Damper blade positions CLOSED and OPEN

Open/close actuators

Order code detail	Description	Function	Supply voltage	Torque	Auxiliary switch
Z12	SM230A	1-wire-control 2-wire-control (3-point)	100 – 240 V AC	20 Nm	–
Z14	SM24A	1-wire-control 2-wire-control (3-point)	24 V AC/DC	20 Nm	–
Z16	SM230A	1-wire-control 2-wire-control (3-point)	100 – 240 V AC	20 Nm	S2A
Z18	SM24A	1-wire-control 2-wire-control (3-point)	24 V AC/DC	20 Nm	S2A
Z42	LM230A	1-wire-control 2-wire-control (3-point)	100 – 240 V AC	5 Nm	–
Z43	NM230A	1-wire-control 2-wire-control (3-point)	100 – 240 V AC	10 Nm	–
Z44	LM24A	1-wire-control 2-wire-control (3-point)	24 V AC/DC	5 Nm	–
Z45	NM24A	1-wire-control 2-wire-control (3-point)	24 V AC/DC	10 Nm	–
Z46	LM230A	1-wire-control 2-wire-control (3-point)	100 – 240 V AC	5 Nm	S2A
Z47	NM230A	1-wire-control 2-wire-control (3-point)	100 – 240 V AC	10 Nm	S2A
Z48	LM24A	1-wire-control 2-wire-control (3-point)	24 V AC/DC	5 Nm	S2A
Z49	NM24A	1-wire-control 2-wire-control (3-point)	24 V AC/DC	10 Nm	S2A

Minimum torque of multileaf damper has to be considered when selecting the actuator.

Open/Close actuators, fast-running

Order code detail	Description	Function	Supply voltage	Torque	Auxiliary switch
ZS21	SMQ24A	1-wire-control	24 V AC/DC	16 Nm	–
ZS22	SMQ24A	1-wire-control	24 V AC/DC	16 Nm	S2A

Open/close actuators, spring return

Order code detail	Description	Function	Supply voltage	Torque	Auxiliary switch
ZF01	NF24A	Supply voltage on/off	24 V AC/DC	10 Nm	–
ZF02	NFA	Supply voltage on/off	24 – 240 V AC 24 – 125 V DC	10 Nm	–
ZF03	NF24A-S2	Supply voltage on/off	24 V AC/DC	10 Nm	integrated
ZF04	NFA-S2	Supply voltage on/off	24 – 240 V AC 24 – 125 V DC	10 Nm	integrated

Modulating actuators

Order code detail	Description	Function	Supply voltage	Torque	Auxiliary switch
Z20	SM24A-SR	2 – 10 V DC	24 V AC/DC	20 Nm	–
Z50	LM24A-SR-F	2 – 10 V DC	24 V AC/DC	5 Nm	–
Z51	NM24A-SR	2 – 10 V DC	24 V AC/DC	10 Nm	–

Modulating actuators, spring return

Order code detail	Description	Function	Supply voltage	Torque	Auxiliary switch
ZF05	NF24A-SR	2 – 10 V DC	24 V AC/DC	10 Nm	–

Double acting pneumatic actuators

Order code detail	Description	Damper blade safety function	Operating pressure	Torque at 6 bar	Limit switch	Solenoid valve
Z60	DR030	–	1.2 – 6 bar	35 Nm	–	–
Z61	DR030	power off to close/open	1.2 – 6 bar	35 Nm	–	24 V DC
Z62	DR030	power off to close/open	1.2 – 6 bar	35 Nm	–	230 V AC
Z63	DR030	–	1.2 – 6 bar	35 Nm	2
Z64	DR030	power off to close/open	1.2 – 6 bar	35 Nm	2	24 V DC
Z65	DR030	power off to close/open	1.2 – 6 bar	35 Nm	2	230 V AC
Z66	DR060	–	1.2 – 6 bar	70 Nm	–
Z67	DR060	power off to close/open	1.2 – 6 bar	70 Nm	–	24 V DC
Z68	DR060	power off to close/open	1.2 – 6 bar	70 Nm	–	230 V AC
Z69	DR060	–	1.2 – 6 bar	70 Nm	2
Z70	DR060	power off to close/open	1.2 – 6 bar	70 Nm	2	24 V DC
Z71	DR060	power off to close/open	1.2 – 6 bar	70 Nm	2	230 V AC

Z60 – Z65: At 1.2 bar operating pressure only up to height H ≤ 650 mm

Single acting pneumatic actuators

Order code detail	Description	Damper blade safety function	Operating pressure	Torque at 6 bar	Limit switch	Solenoid valve
Z72	SC060 SO060	pressure off to close/open	6 bar	30 Nm
Z73	SC060 SO060	power off and pressure off to close/open	6 bar	30 Nm		24 V DC
Z74	SC060 SO060	power off and pressure off to close/open	6 bar	30 Nm		230 V AC
Z75	SC060 SO060	pressure off to close/open	6 bar	30 Nm	2
Z76	SC060 SO060	power off and pressure off to close/open	6 bar	30 Nm	2	24 V DC
Z77	SC060 SO060	power off and pressure off to close/open	6 bar	30 Nm	2	230 V AC

Téléchargements

Information produit

Product data sheet Type JZ-HL-AL

JZ-HL-AL_PD_2022_03_10_DE_en Product data sheet 1.8 Mo pdf

Certificats

Certificate concerning statistical leakage tests

LC_v1_2024_10_DE_en Certificate 660 ko pdf
Classe d'étanchéité des composants de ventilation TROX

Classe d'étanchéité_2021_05_31_DE_fr Certificat 670 ko pdf
Classification aux fuites des composants de ventilation TROX

Leckageklassifizierung-FK2-EU-v1_HC_2021_05_31_DE_fr Certificat 670 ko pdf

Manuels d'utilisation

Manuel d'installation JZ, JZ-AL, JZ-LL, JZ-HL, JZ-HL-AL, JZ-LL-AL, WG-JZ

JZ-x_WG-JZ_IM_A00000044990_V5_2022_10_FR_fr Manuel d'installation 490 ko pdf

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JZ-HL-AL

Multileaf dampers made of aluminium for low-leakage shut-off in air conditioning systems

General information

Information technique

Function, Technical data, Quick sizing, Specification text, Order code, Related products

Dimensions, Product details, Attachments

Installation details

Téléchargements

Information produit

Product data sheet Type JZ-HL-AL

Certificats

Certificate concerning statistical leakage tests

Classe d'étanchéité des composants de ventilation TROX

Classification aux fuites des composants de ventilation TROX

Manuels d'utilisation

Manuel d'installation JZ, JZ-AL, JZ-LL, JZ-HL, JZ-HL-AL, JZ-LL-AL, WG-JZ

NÉCESSAIRE D’UN POINT DE VUE TECHNIQUE

STATISTIQUES ET ANALYSE DE SITE WEB

COMMODITÉ ET PERSONNALISATION

POUR LA MEILLEURE EXPÉRIENCE TROX POSSIBLE