Technical Data 61889 Fluid chilled or hot water, up to 60% glycol Flow characteristic equal percentage Controllable flow range 75° Valve Size [mm] 5” [125] Pipe connector pattern to mate with ANSI 125 flange Housing Cast iron - GG 25 Ball stainless steel Stem stainless steel Stem seal EPDM (lubricated) Seat PTFE O-ring EPDM (lubricated) Characterized disc stainless steel Body Pressure Rating ANSI Class 125, standard class B ANSI Class 125 Number of Bolt Holes 8 Close-off pressure ∆ps 175 psi Cv 290 Weight 74.97 lb [34 kg] Fluid Temp Range (water) 0...250°F [-18...120°C] Leakage rate 0% for A – AB Servicing maintenance-free Flow/Mounting Details Application This valve is typically used in air handling units on heating or cooling coils, and fan coil unit heating or cooling coils. Some other common applications include Unit Ventilators, VAV box re-heat coils and bypass loops. This valve is suitable for use in a hydronic system with variable flow. Suitable Actuators Non-Spring Electronic fail-safe B6500S-290 GRB(X) GKRB(X) Dimensions (Inches [mm]) B A C D G E F I GRB, GRX A B C D E F G I 13.3” [338] 10.3” [262] 14.4” [366] 9.4” [239] 5.0” [127] 8.5” [216] 0.9” [22] Safety Notes WARNING: This product can expose you to lead which is known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov B6500S-290 Technical Data Sheet Stainless Steel Ball and Stem 800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN Date created, 06/11/2020 - Subject to change. © Belimo Aircontrols (USA), Inc.
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Technical Data 61889
Fluid chilled or hot water, up to 60% glycolFlow characteristic equal percentageControllable flow range 75°Valve Size [mm] 5” [125]Pipe connector pattern to mate with ANSI 125 flangeHousing Cast iron - GG 25Ball stainless steelStem stainless steelStem seal EPDM (lubricated)Seat PTFEO-ring EPDM (lubricated)Characterized disc stainless steelBody Pressure Rating ANSI Class 125, standard class BANSI Class 125Number of Bolt Holes 8Close-off pressure ∆ps 175 psiCv 290 Weight 74.97 lb [34 kg]Fluid Temp Range (water) 0...250°F [-18...120°C]Leakage rate 0% for A – ABServicing maintenance-free
Flow/Mounting Details
ApplicationThis valve is typically used in air handling units on heating or cooling coils, and fan coil unit heating or cooling coils. Some other common applications include Unit Ventilators, VAV box re-heat coils and bypass loops. This valve is suitable for use in a hydronic system with variable flow.
Suitable Actuators Non-Spring Electronic fail-safeB6500S-290 GRB(X) GKRB(X)
Dimensions (Inches [mm])
BA
C
D
G
E F
I
GRB, GRX
A B C D E F G I13.3” [338]
10.3” [262]
14.4” [366]
9.4” [239]
5.0” [127] 8.5” [216]
0.9” [22]
Safety NotesWARNING: This product can expose you to lead which is known to the State of California to cause cancer and reproductive harm. For more information go to www.p65warnings.ca.gov
B6500S-290 Technical Data SheetStainless Steel Ball and Stem
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
Date
cre
ated
, 06/
11/2
020
- Sub
ject
to c
hang
e. ©
Bel
imo
Airc
ontro
ls (U
SA),
Inc.
Dimensions (Inches [mm])
D
BA
C
E F
G
I
GKRB, GKRX
A B C D E F G I13.5” [343]
10.3” [262]
14.4” [366]
9.7” [246]
5.0” [127] 8.5” [216]
0.9” [22]
Dimensions (Inches [mm])
DC
BA
G
E F
I
GRX, GKRX
A B C D E F G I17.5” [444]
10.3” [262]
17.0” [433]
13.6” [345]
5.0” [127] 8.5” [216]
0.9” [22]
Dimensions (Inches [mm])
DC
BA
G
E F
I
GRX, GKRX
A B C D E F G I17.5” [444]
10.3” [262]
17.0” [433]
13.6” [345]
5.0” [127] 8.5” [216]
0.9” [22]
B6500S-290 Technical Data SheetStainless Steel Ball and Stem
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
Date
cre
ated
, 06/
11/2
020
- Sub
ject
to c
hang
e. ©
Bel
imo
Airc
ontro
ls (U
SA),
Inc.
Technical Data 281445
Power Supply 24 VAC, ±20%, 50/60 HzPower consumption in operation 12 WPower consumption in rest position
3 W
Transformer sizing 21 VA (class 2 power source) / heater 21 VAElectrical Connection 18 GA plenum cable, 3 ft [1 m], with 1/2”
conduit connectorOverload Protection electronic thoughout 0...90° rotationInput Impedance 100 kΩAngle of rotation Max. 95°, adjustable with mechanical stopDirection of motion motor selectable with switch 0/1Direction of motion fail-safe reversible with switchPosition indication Mechanically, 30...65 mm strokeManual override under coverRunning Time (Motor) 150 s constant, independent of loadRunning time fail-safe <35 sBridging time 2 s delay before fail-safe activatesPre-charging time 5...20 sAmbient humidity max. 95% r.H., non-condensingAmbient temperature -22...122°F [-30...50°C]Storage temperature -40...176°F [-40...80°C]Degree of Protection IP66/67, NEMA 4X, UL Enclosure Type 4XHousing material PolycarbonateAgency Listing cULus acc. to UL60730-1A/-2-14, CAN/CSA
E60730-1, CSA C22.2 No 24-93, CE acc. to 89/336/EC
Noise level, motor 52 dB(A)Noise level, fail-safe 61 dB(A)Servicing maintenance-freeQuality Standard ISO 9001Weight 3.2 lb [4.1 kg]
†Rated Impulse Voltage 800V, Type of action 1.AA, Control Pollution Degree 3
GKRX24-3 N4 Technical Data SheetNEMA 4, On/Off, Floating Point, Electronic Fail-Safe, 24 V
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
Date
cre
ated
, 06/
11/2
020
- Sub
ject
to c
hang
e. ©
Bel
imo
Airc
ontro
ls (U
SA),
Inc.
Wiring Diagrams
INSTALLATION NOTES
Provide overload protection and disconnect as required.
Actuators may be connected in parallel. Power consumption and input impedance must be observed.
Actuators may also be powered by 24 VDC.
Actuators may be connected in parallel if not mechanically linked. Power consumption and input impedance must be observed.
16Actuators are provided with a numbered screw terminal strip instead of a cable.
Meets cULus requirements without the need of an electrical ground connection.
! WARNING! LIVE ELECTRICAL COMPONENTS!During installation, testing, servicing and troubleshooting of this product, it may be necessary to work with live electrical components. Have a qualified licensed electrician or other individual who has been properly trained in handling live electrical components perform these tasks. Failure to follow all electrical safety precautions when exposed to live electrical components could result in death or serious injury.
Y2 Input
24 VAC Transformer (AC Only)
Blk (1) - Common
Red (2) + Hot
Wht (3)
LineVolts
Y1 Input
Pnk (4)
1 11
On/Off
24 VAC Transformer (AC Only)
Y2 Input
Blk (1) - Common
Red (2) + Hot
Wht (3) Y1 Input
LineVolts
Pnk (4)
1 112
Floating Point
H1 Common
H2 Hot +
Line Volts
1 3 16
HTR
T
24 VAC Transformer
NEMA 4 Heater
GKRX24-3 N4 Technical Data SheetNEMA 4, On/Off, Floating Point, Electronic Fail-Safe, 24 V
800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
Date
cre
ated
, 06/
11/2
020
- Sub
ject
to c
hang
e. ©
Bel
imo
Airc
ontro
ls (U
SA),
Inc.
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