Brochure
2/2
SERIES
Hot Water/
Steam
4
SPECIAL
SERVICE VALVES
256
Specifications (Metric units)
P
ipe
Size
(
in)
O
rifice
Size
(
mm)
K
v Flow
Factor
(
m
3
/
h)
Operating Pressure Differential (bar) Max. Fluid Temp.˚C
B
rass Body
A
C Watt Rating/
C
lass of Coil Insulation
H
ot Water
H
ot Water
M
in.
M
ax. AC
M
ax. DC
A
C
D
C
C
atalog Number
C
onst. Ref.
A
C
D
C
HOT WATER SERVICE ONLY - NORMALLY CLOSED (Closed when de-energized), EPDM Diaphragm
3/8 16 2.57
0 ¡
6.9 2.8 99 65 8210G093HW 32 10.1/F 11.6/F
3
/8
1
6
2
.57
0
.3
8
.6
6
.9
9
9
6
5
8
210G001HW
3
3
6
.1/F
1
1.6/F
1
/2
1
6
3
.43
0
¡
6
.9
2
.8
9
9
6
5
8
210G094HW
3
2
1
0.1/F
1
1.6/F
1/2 16 3.43 0.3 8.6 6.9 99 65 8210G002HW 33 6.1/F 11.6/F
3/4 19 4.29
0 ¡
6.9 2.8 99 65 8210G095HW 34 10.1/F 11.6/F
3
/4
1
9
4
.29
0
.03
8
.6
6
.9
9
9
6
5
8
210G009HW
3
5
6
.1/F
1
1.6/F
H
OT WATER SERVICE ONLY - SLOW CLOSING - NORMALLY CLOSED (Closed when de-energized), EPDM Disc
3/8 14 2.57
0.3 ¿
10.3 - 99 - 8221G001HW 36 6.1/F -
1/2 14 3.00
0.3 ¿
10.3 - 99 - 8221G003HW 36 6.1/F -
3/4 19 4.71
0.3 ¿
10.3 - 99 - 8221G005HW 36 6.1/F -
1 2
5
9
.86
0
.3 ¿
1
0.3
- 9
9
- 8
221G007HW
3
8
6
.1/F
-
1 1/4 29 11.14
0.3 ¿
10.3 - 99 - 8221G009HW 39 6.1/F -
1 1/2 32 20.57
0.3 ¿
10.3 - 99 - 8221G011HW 40 6.1/F -
2 44 30.86
0.3 ¿
10.3 - 99 - 8221G013HW 41 6.1/F -
2
1/2
4
4
3
2.57
0
.3 ¿
1
0.3
- 9
9
-
8
221G015HW √
4
2
6
.1/F
-
H
OT WATER SERVICE ONLY - SLOW CLOSING - NORMALLY OPEN (Open when de-energized), EPDM Disc
3/8 14 2.57
0.3 ¿
10.3 - 99 - 8221G021HW 43 16.1/F -
1/2 14 3.00
0.3 ¿
10.3 - 99 - 8221G023HW 43 16.1/F -
3/4 19 4.71
0.3 ¿
10.3 - 99 - 8221G025HW 44 16.1/F -
1 25 9.86
0.3 ¿
10.3 - 99 - 8221G027HW 45 16.1/F -
1 1/4 29 11.14
0.3 ¿
10.3 - 99 - 8221G029HW 46 16.1/F -
1 1/2 32 20.57
0.3 ¿
10.3 - 99 - 8221G031HW 47 16.1/F -
2 44 30.86
0.3 ¿
10.3 - 99 - 8221G033HW 48 16.1/F -
2 1/2 44 32.57
0.3 ¿
10.3 - 99 -
8221G035HW √
49 16.1/F -
Pipe
Size
(in)
Orifice
Size
(mm)
Kv Flow
Factor
(
m
3
/h)
Operating Pressure Differential (bar) Max. Fluid Temp. ˚C
Brass Body Stainless Steel Body
Watt Rating/Class
of Coil Insulation
Min.
Max. AC Max. DC AC DC
Steam Hot Water Steam Hot Water Steam Hot Water Steam Hot Water Catalog Number Const. Ref. Catalog Number Const. Ref. AC DC
STEAM/HOT WATER SERVICE - DIRECT ACTING - NORMALLY CLOSED (Closed when de-energized), Stainless Steel Seat, EPDM ¬, or PTFE Disc
1/4 3 0.30 0 3.4 10.3 - - 146 99 - -
8263H053 ¬
1 - - 6.1/H -
1/4 3 0.30 0 6.2 10.3 - - 164 99 - - 8263H059 1 - - 6.1/H
1/4 4 0.45 0 7.6 14.5 - - 172 99 - - 8263H300 2 - - 10.1/H -
1/4 6 0.63 0 4.8 6.6 - - 156 99 - - 8263H301 2 - - 10.1/H -
1/4 7 0.76 0 4.1 4.1 - - 151 99 - - 8263H303 2 - - 17.1/H -
3/8 3 0.30 0 8.6 14.5 - - 177 99 - - 8263H304 3 8263H318 3 10.1/H -
3/8 4 0.45 0 7.6 13.8 - - 172 99 - - 8263H305 3 8263H319 3 10.1/H -
3/8 6 0.74 0 4.8 6.6 - - 156 99 - - 8263H306 3 8263H320 3 10.1/H -
3/8 7 0.87 0 4.1 4.1 - - 151 99 - - 8263H308 3 8263H321 3 17.1/H -
STEAM/HOT WATER SERVICE - PILOT OPERATED - NORMALLY CLOSED (Closed when de-energized)
1/4 10 1.03 0.07 6 - - - 161 - - - 8222G068 4 - - 6.1/F -
1/4 10 1.03 0.07 9 - - - 178 - - - 8222G070 4 - - 6.1/H -
3/8 10 2.14 0.07 6 - - - 161 - - - 8222G064 4 - - 6.1/F -
3/8 10 2.14 0.07 9 - - - 178 - - - 8222G074 4 - - 6.1/H -
3/8 12.7 3.8 0.3 3 10.3 --149 99 -- 8220G401 50 --6.1/F -
3/8 12.7 3.8 03 10.3 3.4 6.9 149 99 147 99 8220G402 51 --10.1/F 15.6/H
3/8 12.7 3.8 0.3 9 10.3 7.6 10.3 178 99 172 99 8220G403* 51 --10.1/H 15.6/H
3/8 16 2.57 09 - - - 178 --- 8222G001 6--17.1/H -
1/2 10 2.14 0.07 6 - - - 161 - - - 8222G066 4 - - 6.1/F -
1/2 10 2.14 0.07 9 - - - 178 - - - 8222G076 4 - - 6.1/H -
1/2 13 3.09 0.14 9 - - - 178 - - - 8222G047 9 - - 10.1/H -
1/2 16 3.43 0 3 - - - 149 - - - 8222G094 7 8222G060 28 10.1/F -
1/2 16 3.43 0 9 - - - 178 - - - 8222G002 6 - - 17.1/H -
1/2 12.7 4 0.3 3 10.3 --149 99 -- 8220G404 50 --6.1/F -
1/2 12.7 40310.3 3.4 6.9 149 99 147 99 8220G405 51 --10.1/F 15.6/H
1/2 12.7 4 0.3 9 10.3 7.6 10.3 178 99 172 99 8220G406* 51 --10.1/H 15.6/H