temperature actuated water regulating valves - Ecotherm

TEMPERATURE ACTUATED WATER REGULATING VALVES
Type OWR, HWR & XWR
GENERAL DESCRIPTION
• Type OWR: Two-way temp. actuated water rgulating
valves, open on temperature rise.
Type HWR: Two-way temp. actuated water regulating
valves, open on temperature decrease.
Type XWR: Three-way temp. actuated water regulating
valves.
• Temperature sensing element (type OWR, HWR &
XWR)
Capil. tube: 1000mm2.4
Bulb size: 3/4"150mm (models with 3/4" or less
connection size)
3/4" 320mm (models with 1" or more
connection size)
• Body material: Bronze for water and brine,
cast iron for water only
TYPE NUMBER SELECTION (SPECIFICATIONS)
Type OWR
TEMPERATURE ACTUATED VALVES TWO–WAY
Unit: PSI {kgf/cm 2 }
Catalog No.
Valve
Connection Temp. Max. Water Max. Max. Bulb Bulb Factory
Wt.
Body
Range Temp. Water Temp. Size Setting
(kg)
Material Size Style (°F) (°F) Press. (°F) (mm) (°F)
5004 G
1/2"
1.0
19150
5006 G 3/4" Rc
1.2
Bronze
5010 G 1" (FPT)
2.0
5012 G 1–1/4" 86o 122
176 19320 104 2.2
5014 F
1–1/2"
14.5
5020 F Cast Iron 2" Flange
22.0
32350
OWR– 5024 F 2–1/2" 142
26.0
140
HWR– 7504 G
1/2"
{10}
1.0
19150
7506 G 3/4" Rc
1.2
Bronze
7510 G 1" (FPT)
2.0
7512 G 1–1/4" 122 to 167
212 19320 140 2.2
7514 F 1–1/2"
14.5
7520 F Cast Iron 2" Flange
22.0
32350
7524 F
2–1/2"
26.0
Pressure at which valve starts openning.
OWR & HWR with flange connection are supplied with JIS 10K (0.98 MPa) round companion flanges (JIS B2239) and bolt/nuts.
Capillary tube ... Standard 1 meter, optional 0.5, 1.5 and 2 meters
Type XWR
TEMPERATURE ACTUATED VALVES THREE–WAY
Unit: PSI {kgf/cm 2 }
Catalog No.
Valve
Connection Temp. Max. Water Max. Max. Bulb Bulb Factory
Wt.
Body
Range Temp. Water Temp. Size Setting
(kg)
Material Style Size (°F) (°F) Press. (°F) (mm) (°F)
XWR–
5004 G
1/2"
1.0
19150
5006 G 3/4"
1.5
86to 122
176
104
5010 G
1"
2.5
19320
5012 G Rc 1–1/4"
142
3.0
Bronze
140
7504 G (FPT) 1/2" {10}
1.1
19150
7506 G
3/4"
1.5
122 to 167
100
140
7510 G 1"
2.5
19320
7512 G 1–1/4"
3.0
Pressure at which valve starts openning.
Capillary tube ... Standard 1 meter, optional 0.5, 1.5 and 2 meters
1

VALVE ACTION
Set Point is temperature for valve opening. Each cheractaristic of valves is different as follows.
ADJUSTMENT
One full turn of adjusting screw changes pressure/temperature setting as shown below.
OWR–
HWR–
XWR–
OWR–
HWR–
Catalog No.
04G
06G
10G
12G
14F
20F
24F
Change in Temp. Setting
Approx. 7.0°C
Approx. 5.0°C
Approx. 7.0°C
DIMENSIONS
Type OWR, HWR–G
Type OWR–F, HWR
Catalog No.
L
Unit: mm
H h
D
OWR–
HWR–
5004 G 70 100 83
5006 G 80 104 87
42
5010 G 90 116 97
5012 G 100 121 102 59
5014 F 148 125 105
5020 F 173
5024 F 179
180 155 89
7504 G 70 100 83
7506 G 80 104 87
42
7510 G 90 116 97
7512 G 100 121 102 59
7514 F 148 125 106
7520 F 173
7524 F 179
180 155 89
Type XWR
Catalog No.
L
H
Unit: mm
h
h1
D
XWR–
5004G 70 100 31 83
5006G 80 104 39 87
5010G 90 116 44 97
5012G 100 121 54 102
7504G 70 100 31 83
7506G 80 104 39 87
7510G 90 116 44 97
7512G 100 121 54 102
42
59
42
59
Unit: mm