1" 2Way S/R 68cv 180in/lb| Actuator Type | Spring return |
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| Close Off Pressure | 600 psi |
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| End Fitting | Internal thread |
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| Control Type | Open-close only |
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| Controllable Flow Range | 90° rotation |
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| Electrical Connection | cable |
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| Voltage | AC 24...240 V / DC 24...125 V |
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| 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.
This valve is designed with MFT functionality which facilitates the use of
various control input.
• Up to 35 psi steam
• ½” - 600 PSIG WOG, Cold Non-Shock.
• Federal Specification: WW-V-35C,Type II
Composition: BZ
Style: 3 |
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| Flow Characteristic | modifi ed equal percentage |
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| Stem Packing | reinforced PTFE |
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| Close-Off Pressure | 600 psig @ 100°F |
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| Overload Protection | electronic throughout 0° to 95° rotation |
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| Agency Listings | UL 873, CSA C22.2 No. 24 certifi ed, CE |
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| Position Indication | visual indicator |
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| Media | chilled or hot water, glycol, 35# steam |
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| Action | 90° rotation
valve open CW, valve closed CCW |
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| Sizes | ½”, ¾”, 1”, 1¼”, 1½”, 2” |
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| Type of end fi tting | SAE NPT (female connections) |
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| Pressure rating | 600 psig WOG |
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| Media temp. range | -22°F to +280°F (-30°C to +138°C) |
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| Maximum differential
pressure (?P) | <600 psig |
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| Power consumption AFBUP-X1 running | 5 W |
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| Power consumption AFBUP-X1 holding | 2.5 W |
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| Power consumption AFBUP-S-X1 running | 7 W |
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| Power consumption AFBUP-S-X1 holding | 3.5 W |
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| Transformer sizing AFB24-X1 | 7.5 VA (class 2 power source) |
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| Transformer sizing AFBUP(-S)-X1 | 7 VA @ 24 VAC (class 2 power source) |
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| Electrical connection (-S model has 2 cables) | ½” conduit connector 3 ft. [1m], 18 GA appliance cables |
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| Electrical protection | 120V actuators double insulated |
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| Running time control | 150 seconds independent of load |
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| Running time spring | <20 seconds |
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| Ambient temperature | -22°F to +122°F [-30°C to +50°C] |
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| Auxiliary switches | 2 x SPDT, 7A (2.5A) @ 250 VAC, UL
listed, one switch is fi xed at +5°, one is
adjustable 25° to 85° (double insulated) |
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| Maximum differential
pressure (?P) | <600 psig |
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| Transformer sizing AFB24-X1
AFBUP(-S)-X1 | 7.5 VA (class 2 power source)
7 VA @ 24 VAC (class 2 power source)
8.5 VA @ 120 VAC
18 VA @ 240 VAC |
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| Maximum differential pressure (?P) | <600 psig |
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| Stem bearing | reinforced PTFE |
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| Seat (x2) | reinforced PTFE w/ Durafi ll |
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| Retainer | B16 (?? - 1?) stainless steel
B584 (1�? - 2?) stainless steel |
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| Body seal | PTFE (1-1/4? to 2?) |
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| AFBUP(-S)-X1 | 7 VA @ 24 VAC (class 2 power source)
8.5 VA @ 120 VAC
18 VA @ 240 VAC |
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| ZS-SPBV-10 | NM/AM/GM/NF/AF/GK series on VS/VSS/VB |
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| ZS-SPBV-20 | Dual GM/AF/GK series on VS/
VSS/VB |
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| ZS-BVVS-0003 | LF series on VS/VSS |
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| S1A | Auxiliary switch - 1x SPDT,
3A (0.5A Inductive) @ 250 VAC |
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| S2A | Auxiliary switch - 1x SPDT,
3A (0.5A Inductive) @ 250 VAC |
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| P140A GR | Feedback potentiometer 140 ? |
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| P500A GR | Feedback potentiometer 500 ? |
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| P1000A GR | Feedback potentiometer 1000 ? |
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| P2800A GR | Feedback potentiometer 2800 ? |
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| P5000A GR | Feedback potentiometer 5000 ? |
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| P10000A GR | Feedback potentiometer 10000 ? |
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| NSV24 US | Battery backup module |
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| NSV-BAT | 12VDC 1.2 AH battery (2 required) |
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| HOA-120V | Local electric disconnect SY2-SY12 110/230V - 2 position |
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| HOA-120VMFT | Local electric disconnect SY2-SY12 110/230V - modulating |
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| HOA-24V | Local electric disconnect SY2-SY12 24V - 2 position |
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| HOA-24VMFT | Local electric disconnect SY2-SY12 24V - modulating |
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| SY-1000-FB01 | 1000 ? feedback potentiometer
2 position, factory installed option only |
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| SY-1000-FB02 | 1000 ? feedback potentiometer
modulating, factory installed option only
(modulating models SYx...-P, SR or MFT) |
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| MFT-P | Belimo MFT confi guration software (V3.X)
Includes: PC-Tool software (interface cables [ZTH US]
not included) |
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| ZTH US | Handheld interface module that allows fi eld programming. |
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| ZK1-GEN | Cable for use with ZTH US to connect to new generation
non-spring return actuator via diagnostic/
programming socket |
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| ZK2-GEN | Cable for use with ZTH US to connect with spring and
non-spring return actuators not equipped with diagnostic/
programming socket |
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| ZK6-GEN | Cable for use with ZTH US to connect to SY actuator via
RJII port |
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| EXT-NSV-B01-120 | Battery backup system, SY1 - SY3 120 VAC, on/off actuators |
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| EXT-NSV-B02-120 | Battery backup system, SY1 - SY3 120 VAC, MFT actuators |
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| EXT-NSV-B11-24 | Battery backup system, SY1 24 VAC, on/off actuators |
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| EXT-NSV-B12-24 | Battery backup system, SY1 24 VAC, MFT actuators |
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| EXT-NSV-B21-230 | Battery backup system, SY1 - SY3 230 VAC, on/off actuators |
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| EXT-NSV-B22-230 | Battery backup system, SY1 - SY3 230 VAC, MFT actuators |
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Product Family
All orders are shipped same-day if the order is received by 1:00 PM Central Time. We ship worldwide.
UPS Hoilday Delivery Schedule
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You can also find answers to some common questions on our FAQ page
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