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Tight shut-off damper, Halton UTT
Tight shut-off damper, Halton UTT

Halton UTT – Multi-blade airflow management damper

Rectangular tight shut-off and balancing damper available with various modular construction and sizes.

The shut-off class 3 according to EN 1751.

  • Shut-off and balancing damper for outdoor air intake and exhaust air with opposed blade design
  • Damper blades comprise thermal insulation

Overview

  • Shut-off and balancing damper for outdoor air intake and exhaust air with opposed blade design
  • Damper blades comprise thermal insulation
  • Tightness in closed position fulfills EN 1751 class 3 requirements
  • Temperature operation range up to +100°C, optionally up to +200°C
  • Galvanised steel design
  • Classification of casing leakage EN 1751 class B

Product models and accessories

  • Model with stainless steel /acid-proof steel (AISI 316L) design.
  • Model with insulated casing
  • Model with heat-proof design
  • Circular duct connections
  • Several actuator options

Dimensions and weight

Models with rectangular connections

UTT_Dimensions

 W  H
100, 200, …, 2400 100, 200, …, 2400

Models with circular connections (D1 or D2)

ØD WxH
100 150×150
125 150×150
160 200×200
200 200×200
250 250×250
315 300×300
400 400×400
500 500×500
630 600×600
710 800×800
800 800×800
1000 1000×1000
1250 1250X1250

Weight (kg)

Weight presented without actuator. Basic actuator weight about 1 kg.

H W
100 200 300 400 500 600 700 800 900 1000 1100 1200
200 3 3 4 5 6 7 7 8 9 9 10 16
300 4 5 6 7 7 8 9 10 11 11 12 19
400 5 6 6 7 8 9 10 11 12 13 13 20
500 5 6 7 8 9 10 11 12 13 14 15 22
600 6 7 8 9 11 12 13 14 15 16 17 24
700 7 8 9 10 11 13 14 15 16 18 19 26
800 8 9 10 12 13 14 16 17 18 20 21 28
900 8 10 11 12 14 15 17 18 20 21 23 30
1000 9 11 12 14 15 17 18 20 22 23 25 32
1100 10 11 13 15 16 18 20 21 23 25 26 34
1200 11 12 14 16 18 19 21 23 25 27 28 36
1300 11 13 15 17 19 21 22 24 26 28 30 38
1400 12 14 16 18 20 22 24 26 28 30 32 40
1500 13 15 17 19 21 23 25 27 30 32 34 42
1600 14 16 18 20 22 25 27 29 31 34 36 44
1700 14 16 19 21 23 26 28 30 33 35 38 46
1800 15 17 20 22 25 27 30 32 35 37 40 48
1900 16 18 21 23 26 28 31 34 36 39 41 50
2000 16 19 22 25 27 30 33 35 38 41 43 52
2100 17 20 23 25 28 31 34 37, 39 42 45 54
2200 18 21 24 27 30 33 36 38 41 44 47 56
2300 19 22 25 28 31 34 37 40 43 46 49 58
2400 20 23 26 29 32 35 38 42 45 49 51 60

 

H W
1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400
200 17 17 18 21 21 22 23 25 26 27 27 28
300 20 20 21 24 25 26 26 29 30 31 32 32
400 21 22 23 26 27 27 28 31 32 33 34 35
500 23 24 25 28 29 30 31 34 35 36 37 38
600 25 26 27 31 32 33 34 37 38 39 40 41
700 27 28 29 33 34 35 36 40 41 42 43 44
800 29 31 32 35 37 38 39 43 44 45 47 48
900 31 33 34 38 39 40 42 45 47 48 50 51
1000 34 35 37 40 42 43 45 49 50 52 53 55
1100 35 37 39 42 44 46 47 51 53 54 56 58
1200 38 40 41 45 47 49 51 54 56 58 60 62
1300 40 41 43 47 49 51 53 57 59 61 63 65
1400 42 44 46 50 52 54 56 60 62 64 66 68
1500 44 46 48 52 54 56 59 63 65 67 69 71
1600 46 48 51 55 57 59 62 66 68 70 73 75
1700 48 50 53 57 59 62 64 69 71 73 76 78
1800 50 53 55 60 62 65 67 72 74 77 79 82
1900 52 55 57 62 65 67 70 74 77 79 82 85
2000 55 57 60 65 67 70 73 78 80 83 86 88
2100 56 59 62 67 70 72 75 80 83 86 89 91
2200 59 62 65 70 73 76 78 83 86 89 92 95
2300 61 64 67 72 75 78 81 86 89 92 95 98
2400 63 66 69 75 78 81 84 89 92 95 99 102

 

ØD UTT/D1 UTT/D2 ØD UTT/D1 UTT/D2
160 4 4 500 12 15
200 4 5 630 17 21
250 5 6 800 24 30
315 7 9 1000 33 43
400 9 11 1250 52 67

Material

UTT_Material

No. Part Material Note
1 Casing Galvanised steel Acid proof steel (AISI 316L) also available
2 Blade bearings Alloy of polyamide and molybdenum suphide (plastic BM=ST). Also available:
Stainless steel (AISI 304) (BM=SS)
Acid proof steel (AISI 316) (BM=AS)
Bronze JN5 (BM=BR)
3 Blade gaskets Silicone Heat-proof model: LTE silicone
4 Blades Galvanised steel (sandwich design).  Acid proof steel (AISI 316L) also available
5 Gasket inside the casing Silicone Only tight UTT and UTX dampers. Gasket fixed in an aluminium profile
6 Rectangular drive shaft (15x15mm) Galvanised steel In conjunction with standard plastic bearings (BM=ST)
Acid proof steel (AISI 316) also available (BM=ST)
7 Round drive shaft (ø15mm) Acid proof steel In conjunction with AISI 316 or bronze bearings (BM=AS/SS/BR)
8 Lever mechanism Galvanised steel Acid proof steel (AISI 316L) also available

Shaft types and dimensions

Depending on the choice of bearing material, the damper will be equipped with a round or square axle.

On Halton UTT/R dampers with standard bearings (BE=ST) , the damper will be equipped with a square 15×15 mm galvanised steel axle.

On heatproof design Halton UTT/R dampers, and on all dampers with AISI316/304 or bronze JN5 bearings (BM=AS, BM=SS or BM=BR) a round Ø15mm AISI 316 stainless steel axle will be used.

Accessories

The product models MD=I and MD=J have a double sheet casing with mineral wool insulation. The insulation thickness is 20 mm.

The Halton UTT damper is available equipped with either manual adjustment or actuator operation.
The adjustment and control arrangement options are:

 Adjustment and  control options Code  Note
 Manual handle adjustment MO = MA
 Manual extension bar adjustment AC = BA  Handle extension arrangement
 Actuator operation MO=  See tables below

The damper actuator is selected from the list below according to the
operating voltage, control arrangement and the required torque of the damper.
The torque of the selected actuator can be higher than the required torque of the damper.

Standard actuator options

NM-models
Torque, damper size … 10 Nm (A<1.2 m2)
Manual override operation,mechanical position limit

 Actuator type Code
MO
 Control arrangement Operating
voltage
Power
consumption
 NM24A C1 On-off, 3-point AC/DC 24 V 3,5 VA
 NM230A C2 On-off, 3-point AC 230 V 5,5 VA
 NM24A-SR C3 Control modulating DC 2…10 V,  Position feedback 2…10 V AC 24 V 4 VA

BFN-models
Torque, damper size … 9 Nm (A<1.2 m2)
Spring return, manual operation, position limit

 Actuator type Code
MO
 Control arrangement Operating
voltage
Power
consumption
 BFN24-HL M1 On-off, 2 auxiliary switches AC/DC 24 V 6 VA
 BFN230-HL M2 On-off, 2 auxiliary switches AC 230 V 10 VA

BF-models
Torque, damper size …18 Nm / 12 Nm (A<2.5 m2)
Spring return, manual operation, position limit

 Actuator type Code
MO
 Control arrangement Operating
voltage
Power
consumption
 BF24 E1 On-off, 2 auxiliary switches AC/DC 24 V 10 VA
 BF230 E3 On-off, 2 auxiliary switches AC 230 V 12,5 VA
 BF120 E7 On-off, 2 auxiliary switches AC 120 V 12,5 VA

SF-models
Torque, damper size … 20 Nm (A<4 m2)
Spring return, manual operation, position limit

 Actuator type Code
MO
 Control arrangement Operating
voltage
Power
consumption
 SF24A A6 On-off AC/DC 24 V 7,5 VA
 SF24A-S2 A7 On-off, 2 auxiliary switches AC/DC 24 V 7,5 VA
 SFA A8 On-off AC 24…240V / DC 24….125 V 18 VA
 SFA-S2 A9 On-off, 2 auxiliary switches AC 24…240V / DC 24….125 V 18 VA
 SF24A-SR A0 Control modulating DC 2…10 V,  Position feedback 2…10 V AC/DC 24 V 7 VA
SF24A-MP A11 Control modulating, communicative 2…10 V, Position feedback 2…10 V variable AC/DC 24 V 11 VA

SM-models
Torque, damper size … 20 Nm (A<3.3 m2)
Manual override operation, mechanical position limit

 Actuator type Code
MO
 Control arrangement Operating
voltage
Power
consumption
SM24A A1 On-off, 3-point AC/DC 24 V 4 VA
SM24A-S A2 On-off, 3-point, 1 auxiliary switch AC/DC 24 V 4 VA
 SM230A A3 On-off, 3-point AC 230 V 6 VA
SM230A-S A4 On-off, 3-point, 1 auxiliary switch AC 230 V 6 VA
SM24A-SR A5 Control signal DC 0…10 V, Position feedback 2…10V AC/DC 24 V 4 VA
SM24A-MA M3 Control modulating 4…20 mA, Position feedback 2…10 V AC/DC 24 V 6 VA

GM-models   Torque, damper size …40 Nm (A<6 m2)
Manual override operation

 Actuator type Code
MO
 Control  arrangement Operating
voltage
Power
consumption
 GM24A G1 On-off, 3-point AC/DC 24 V 6 VA
 GM230A G2 On-off, 3-point AC 230 V 9 VA

Special actuators

 Actuator type Code
MO
 Control  arrangement  Operating
voltage
 Power
consumption
InMax-15-SF M4 On-off, Spring return, 2 auxiliary switches VAC/DC 24…240 V
 NFA-S2 (10Nm) M5 On-off, Spring return, 2 auxiliary switches AC 24…240 V/DC 24…125 V 9,5 VA

Required torque for Halton UTT-damper actuator

Function

UTT_Function

The Halton UTT dampers are used to shut off or control airflow in ductwork where tightness, thermal insulation and reliability are important.
In the closed position the Halton UTT damper leakage class is 3 in accordance with the EN1751 standard.

In the open position the blades are turned in the direction of flow and do not cause significant pressure losses.

Damper sizes conform with the international standards EN 1505, EN1506 and ISO 1707 for rectangular and circular ducts.

The maximum operation temperature of a standard damper is +100°C (for optional models +200°C).

Heat transmission of the damper is 6 W/(m 2 K).

Installation

Install the damper in the ductwork with the blades in horisontal or vertical position.
Fasten the damper in the ductwork using slip joints (SF=NA).

Optional models enable fastening the damper to duct flange by using bolts (SF=R2).
Drill holes in the damper flange if necessary (options SF=L1 / SF=L2).
Use a seal between the flanges in order to tighten the seam.

Fasten the models with circular connections by riveting or screwing.

Wiring:

Specification

The casing and blades are made from galvanised steel or stainless steel (EN 1.4404/AISI 316L).
The blade gaskets are made of silicon (or EPDM- rubber).
The drive shaft socket is made of galvanised steel with self-lubricating slide bearings.
The bearing is made from an alloy of polyamide and molybdenum sulphide (or stainless steel AISI 316 or stainless steel AISI 304 or bronze).

The damper is installed into rectangular ducts in compliance with EN 1751, or in circular ducts D=100 …1250mm in accordance with EN 1751.
The damper meets the tightness requirements of EN 1751 class 3.
The casing of the damper meets the tightness requirements of EN 1751 class B.

Heat transmission of the damper does not exceed 6 W/(m2K).
The damper is suitable for either manual adjustment or actuator operation.

Order code

UTT/S-W-H-D, CT-SF-MA-MD-BM-MO-AC-ZT

S = Type of duct connections
R    Rectangular connections
C    Circular connections

W = Width (mm)
100,+1,..,2400

H = Height (mm)
100,+1,..,2400

D = Connection size (for circular model, C)
100, 125, 160, 200, 250, 315, 400, 500, 630, 710, 800, 1000, 1250

Other options and accessories

CT = Type of circular connection
D2    2 circular connections
D1    1 circular connection

SF = Flange option
NA    Slip joints
L1     Slip joints + flange connection
L2     Flange connection, both sides
R2    Flange connection, both sides with holes
P3    Flange connection with FDL drilling (Marine)

MA = Material
CS     Steel
AS     Stainless steel (EN 1.4404/AISI 316L)

MD = Model
N       Standard
H       Heat-proof
I         Insulated
J        Heat-proof and insulated

BM = Bearing material
ST     Plastic
AS     Stainless steel (AISI 316)
SS     Stainless steel (AISI 304)
BR     Bronze (JN5)

MO = Actuator type
NA     Not assigned
MA     Manual handle
E1      BF24 (no fuse), 24V, 18 Nm
E3      BF230 (no fuse), 230V, 18 Nm
E7      BF120 (no fuse), 120V, 18 Nm
M1     BFN24-HL (no fuse), 24V, 9 Nm / 7 Nm
M2     BFN230-HL (no fuse), 230V, 9 Nm / 7 Nm
P0     Pneumatic, Rot.AT101
A1     SM24A (on-off), 24V, 20 Nm
A2     SM24A-S (on-off), 24V, 20 Nm
A3     SM230A (on-off), 230V, 20 Nm
A4     SM230A-S (on-off), 230V, 20 Nm
A5     SM24A-SR (modulating), 24V, 20 Nm
A6     SF24A (on-off), 24V, 20 Nm
A7     SF24A-S2 (on-off), 24V, 20 Nm
A8     SFA (on-off), AC 24-240V/DC 24-125V, 20 Nm
A9     SFA-S2 (on-off), AC 24-240V/DC 24-125V, 20 Nm
A0     SF24A-SR (modulating), 24V, 20 Nm
A11   SF24A-MP (modulating), 24V, 20 Nm
C1     NM24A (on-off), 24V, 10 Nm
C2     NM230A (on-off), 230V, 10 Nm
C3     NM24A-SR (modulating), 24V, 10 Nm
M3    SM24A-MA (modulating), 24V, 20 Nm
G1    GM24A (on-off), 24V, 40 Nm
G2    GM230A (on-off), 230V, 40 Nm
M4    InMax-15-SF, VAC/DC 24…240 V, 15 Nm
M5    NFA-S2, AC 24-240V/DC 24-125V, 10 Nm

AC = Accessories
BA    Bar adjustment
S4     S2A Auxiliary switch
L1     Limit switch, 1 pc (IP65)
L2     Limit switch, 2 pcs (IP65)
AR    Position indication arrow
WH   Connector (Marine/Wieland)
WB   Connector (Marine/Wieland Blue, MAC)

ZT  = Tailored product
N       No
Y       Yes (ETO)

Code example

UTT/R-100-100, SF=NA, MA=CS, MD=N, BM=ST, MO=MA, AC=BA, ZT=N

Downloads

Halton UTT – Multi-blade airflow management damper
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