Honeywell VU52, VU53 Catalog Page
Fan Coil Valves
VU52; VU53 Two-way Fan Coil Valves
Two-way Fan Coil Valves, the VU53 high pressure zone valves are used to control the flow of hot or chilled water in commercial HVAC equipment such as fan coil units, terminal reheat coils and convectors. IMPORTANT These valves are not for use in systems containing dissolved oxygen.
• Compact construction for easy installation
• Fits under the cover of most baseboard convectors with actuator fitted to valve body
• VU52 and VU53 provide 2-way, straight-through control of water
• Available in normally closed (VU53) or normally open (VU52) configurations
• 300 psi (2,000 kPa, PN20) operating pressure rating
• Patented ball seal provides long service life, soft close off
• Triple O-ring seal provides three lines of defense against corrosion and water leakage around drive shaft
• Quick opening flow curve
• Available with NPT end connections for iron or steel piping
Dimensions in inches (millimeters)
7/8 DIA. |
2-3/8 |
(22) |
(60) |
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2 |
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3-3/4 |
1-1/2 |
(133) |
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(38) |
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15/32 |
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(12) |
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VU53 VALVE WITH VU448 ACTUATOR
1-3/4 |
1-3/4 |
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(44) |
(44) |
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1-3/4 |
1-3/4 |
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(44) |
(44) |
3/8 |
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(10) |
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3/8 |
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(10) |
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B |
A |
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7/8 (22) |
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2-WAY |
B |
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7 |
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3-WAY |
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AB |
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A |
A |
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2-1/8 (54) |
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VU5 ACTUATOR |
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(INVERTED |
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FLARE) |
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VU53 AND VU54 VALVE WITH ACTUATOR |
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VALVE BODY SIZE |
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A |
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B |
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1/2 IN. SWEAT |
1 |
5/6 (33) |
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5/6 (33) |
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3/4 IN. SWEAT |
1 |
3/8 (35) |
1 |
11/16 (43) |
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1 |
HEIGHT NEEDED TO REMOVE ACTUATOR OR COVER |
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1 IN. SWEAT |
1 |
11/16 (43) |
1 |
11/16 (43) |
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2 |
OPENING FOR 1/2 IN. CONDUIT ON OPPOSITE SITE OF |
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1/2 IN. NPT |
1 |
3/8 (35) |
1 |
5/16 (33) |
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MANUAL LEVER FOR ALL MODELS. |
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3/4 IN. NPT |
1 |
11/16 (43) |
1 |
7/16 (37) |
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1 IN. NPT |
1 |
11/16 (43) |
1 |
7/16 (37) |
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M18261A |
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Valve Type: Fan Coil Valve |
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Materials |
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Actuation: Must be purchased separately |
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(Body): Brass |
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Flow Characteristics: Quick opening |
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(Stem): Brass |
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Body Pattern: Two-way, Straight-through |
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(Seat): Brass |
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Controlled Medium: Chilled or hot water with up to 60% Glycol |
(Plug/Ball/Disc): Bun a-N rubber |
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Maximum Safe Operating Pressure: 300 psig (2068 kPa) |
(Packing): EPDM rubber |
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Ambient Temperature Range: 34 F to 125 F at 200 F Fluid |
Approvals |
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(1 to 52 C @ 94 C Fluid) |
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Canadian Standards Association: CSA C/US |
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<![endif]>Commercial
<![if ! IE]><![endif]>Components
70-6910 |
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571 |
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Fan Coil Valves
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Dimensions, A |
Dimensions, Center |
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Maximum |
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Flow |
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to B ports End |
Line of A&B port to |
Connec- |
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Close-off |
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Valve Size |
Capacity |
to End |
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end of AB port |
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Pressure |
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Product Number |
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tion |
Valve |
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(inch) |
DN |
(Cv) |
(Kv) |
(inch) |
(mm) |
(inch) |
(mm) |
Type |
Action |
(psi) |
(kPa) |
Used With |
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VU52N1001/U |
3/4 in. |
DN20 |
8.0 Cv |
7.0 kvs |
3 3/8 in. |
86 mm |
1 |
11/16 in. |
43 mm |
Female |
Normally |
10 psi |
69 kPa |
VU444 Actuator, |
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NPT |
Open |
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VU844 Actuator |
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VU52N1019/U |
1/2 in. |
DN15 |
3.5 Cv |
3.0 kvs |
2 3/4 in. |
70 mm |
1 |
3/8 in. |
35 mm |
Female |
Normally |
20 psi |
138 kPa |
VU444 Actuator, |
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NPT |
Open |
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VU844 Actuator |
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VU52N1027/U |
1/2 in. |
DN15 |
1.0 Cv |
0.9 kvs |
2 3/4 in. |
70 mm |
1 |
3/8 in. |
35 mm |
Female |
Normally |
50 psi |
345 kPa |
VU444 Actuator, |
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NPT |
Open |
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VU844 Actuator |
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VU52N1035/U |
1/2 in. |
DN15 |
2.4 Cv |
2.1 kvs |
2 3/4 in. |
70 mm |
1 |
3/8 in. |
35 mm |
Female |
Normally |
30 psi |
207 kPa |
VU444 Actuator, |
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NPT |
Open |
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VU844 Actuator |
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VU52S2002/U |
1/2 in. |
DN15 |
1.0 Cv |
0.9 kvs |
2 5/8 in. |
66 mm |
1 |
5/16 in. |
33 mm |
Sweat |
Normally |
50 psi |
345 kPa |
VU444 Actuator, |
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Open |
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VU844 Actuator |
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VU52S2010/U |
1/2 in. |
DN15 |
2.4 Cv |
2.1 kvs |
2 5/8 in. |
66 mm |
1 |
5/16 in. |
33 mm |
Sweat |
Normally |
30 psi |
207 kPa |
VU444 Actuator, |
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Open |
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VU844 Actuator |
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VU52S2028/U |
1/2 in. |
DN15 |
3.5 Cv |
3.0 kvs |
2 5/8 in. |
66 mm |
1 |
5/16 in. |
33 mm |
Sweat |
Normally |
20 psi |
138 kPa |
VU444 Actuator, |
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Open |
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VU844 Actuator |
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VU52S2036/U |
3/4 in. |
DN20 |
3.5 Cv |
3.0 kvs |
2 3/4 in. |
70 mm |
1 |
3/8 in. |
35 mm |
Sweat |
Normally |
20 psi |
138 kPa |
VU444 Actuator, |
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Open |
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VU844 Actuator |
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VU52S2044/U |
3/4 in. |
DN20 |
5.0 Cv |
4.3 kvs |
2 3/4 in. |
70 mm |
1 |
3/8 in. |
35 mm |
Sweat |
Normally |
15 psi |
103 kPa |
VU444 Actuator, |
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Open |
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VU844 Actuator |
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VU52S2051/U |
3/4 in. |
DN20 |
8.0 Cv |
7.0 kvs |
2 3/4 in. |
70 mm |
1 |
3/8 in. |
35 mm |
Sweat |
Normally |
10 psi |
69 kPa |
VU444 Actuator, |
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Open |
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VU844 Actuator |
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VU53N1009/U |
1/2 in. |
DN15 |
3.5 Cv |
3.0 kvs |
2 3/4 in. |
70 mm |
1 |
3/8 in. |
35 mm |
Female |
Normally |
20 psi |
138 kPa |
VU443 Actuator, |
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NPT |
Closed |
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VU843 Actuator |
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VU53N1017/U |
3/4 in. |
DN20 |
8.0 Cv |
7.0 kvs |
3 3/8 in. |
86 mm |
1 |
11/16 in. |
43 mm |
Female |
Normally |
10 psi |
69 kPa |
VU443 Actuator, |
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NPT |
Closed |
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VU843 Actuator |
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VU53N1026/U |
1 in. |
DN25 |
8.0 Cv |
7.0 kvs |
— |
— |
— |
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Female |
Normally |
10 psi |
69 kPa |
VU443 Actuator, |
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NPT |
Closed |
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VU843 Actuator |
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VU53N1033/U |
3/4 in. |
DN20 |
3.5 Cv |
3.0 kvs |
3 3/8 in. |
86 mm |
1 |
11/16 in. |
43 mm |
Female |
Normally |
20 psi |
138 kPa |
VU443 Actuator, |
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NPT |
Closed |
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VU843 Actuator |
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VU53N1041/U |
1/2 in. |
DN15 |
1.0 Cv |
0.9 kvs |
2 3/4 in. |
70 mm |
1 |
3/8 in. |
35 mm |
Female |
Normally |
50 psi |
345 kPa |
VU443 Actuator, |
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NPT |
Closed |
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VU843 Actuator |
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VU53N1058/U |
1/2 in. |
DN15 |
2.4 Cv |
2.1 kvs |
— |
— |
— |
— |
Female |
Normally |
30 psi |
207 kPa |
VU443 Actuator, |
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NPT |
Closed |
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VU843 Actuator |
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VU53N1066/U |
3/4 in. |
DN20 |
5.0 Cv |
4.3 kvs |
3 3/8 in. |
86 mm |
1 |
11/16 in. |
43 mm |
Female |
Normally |
15 psi |
103 kPa |
VU443 Actuator, |
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NPT |
Closed |
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VU843 Actuator |
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VU53S2000/U |
1 in. |
DN25 |
8.0 Cv |
7.0 kvs |
3 3/8 in. |
86 mm |
1 |
11/16 in. |
43 mm |
Sweat |
Normally |
10 psi |
69 kPa |
VU443 Actuator, |
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Closed |
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VU843 Actuator |
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VU53S2018/U |
1/2 in. |
DN15 |
1.0 Cv |
0.9 kvs |
2 5/8 in. |
66 mm |
1 |
5/16 in. |
33 mm |
Sweat |
Normally |
50 psi |
345 kPa |
VU443 Actuator, |
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Closed |
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VU843 Actuator |
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VU53S2026/U |
1/2 in. |
DN15 |
2.4 Cv |
2.1 kvs |
2 5/8 in. |
66 mm |
1 |
5/16 in. |
33 mm |
Sweat |
Normally |
30 psi |
207 kPa |
VU443 Actuator, |
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Closed |
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VU843 Actuator |
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VU53S2034/U |
1/2 in. |
DN15 |
3.5 Cv |
3.0 kvs |
2 5/8 in. |
66 mm |
1 |
5/16 in. |
33 mm |
Sweat |
Normally |
20 psi |
138 kPa |
VU443 Actuator, |
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Closed |
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VU843 Actuator |
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VU53S2042/U |
3/4 in. |
DN20 |
3.5 Cv |
3.0 kvs |
2 3/4 in. |
70 mm |
1 |
3/8 in. |
35 mm |
Sweat |
Normally |
20 psi |
138 kPa |
VU443 Actuator, |
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Closed |
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VU843 Actuator |
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VU53S2059/U |
3/4 in. |
DN20 |
8.0 Cv |
7.0 kvs |
2 3/4 in. |
70 mm |
1 |
3/8 in. |
35 mm |
Sweat |
Normally |
10 psi |
69 kPa |
VU443 Actuator, |
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Closed |
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VU843 Actuator |
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VU53S2075/U |
3/4 in. |
DN20 |
5.0 Cv |
4.3 kvs |
2 3/4 in. |
70 mm |
1 |
3/8 in. |
35 mm |
Sweat |
Normally |
15 psi |
103 kPa |
VU443 Actuator, |
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Closed |
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VU843 Actuator |
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572 |
customer.honeywell.com |
70-6910 |
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