Valve Parts in Contact with Fluids
Body
Aluminum
Seals
&
Disc
NBR
Core Tube
305 stainless steel
Core Guide
Acetal
Rider Ring
PTFE
Core
&
Plugnut
430F stainless steel
Springs
302 stainless steel
Shading Coil
Copper
Pipe Plug
Zinc-plated steel
Optional Companion
Flanges
Aluminum
Part
Number
Pipe
Size
(in.)
Orifi ce
Size
(in.)
Cv
Flow
Factor
Gas
Capacity*
(ft
3
/hr)
Nema
Type
Min.
Max
Min
Max
VA
Inrush
VA
Hold
Operating Press.
Diff erential (psi)
Fuel Gas Service
Only
Fluid
&
Ambient
Temp ºF**
Const.
Ref.
No.
Power
Consumption
Watt
Rating/
Class of
Coil
Insulation
NORMALLY CLOSED (Closed when de-energized)
R951-3378
¾
" 1
5⁄8
11 593
4X
0 5
-40
125
2
20.1F
48
240
R951-3429
1"
1
5⁄8
21 1132
4X
0 5
-40
125
2
20.1F
48
240
R951-3487
1
¼
" 1
5⁄8
32 1726 4X
0 5
-40
125
2
20.1F
48
240
R951-3487-HF
1
¼
" HighFlow
2
3⁄32
36 1925 4X
0 5
-40
125
3
20.1F
48
240
R951-3552
1
½
" 1
5⁄8
35 1887
4X
0 5
-40
125
2
20.1F
48
240
R951-3552-HF
1
½
" HighFlow
2
3⁄32
45 2406 4X
0 5
-40
125
3
20.1F
48
240
R951-3588
2"
2
3⁄32
55 2941 4X
0 5
-40
125
3
20.1F
48
240
R951-3588-HF
2"
HighFlow
3
75
4044
1
0
5
-40
125
1
20F
43
240
R951--3644
2
½
" 3 104
5608
1
0 5
-40
125
1
20F
43
240
R951-3684
3"
3
105
5662
1
0
5
-40
125
1
20F
43
240
* 1"wc drop at 2"w.c. inlet pressure, 0.64 specifi c gravity gas.
** Coil surface temperature may exceed 194°F
Sheet 1400-6
page 2
APPROVALS
UL listed to standard 429 "Electrically Operated Valves", Guide
YIOZ, File MP618 Safety Shutoff Valves.
FM Approved to Class 7400 "liquid and gas safety shutoff
valves".
CSA Certifi ed to
:
1) Standard C22.2 No. 139 "Electrically OperatedValves", File
010381.
2) Automatic Gas Valves Z21.21 (6.5), C/I File 112872.
3) Automatic Gas Safety Shutoff Valves (3.9), File 112872
