Sensus 243-12-1, Инструкция по установке и обслуживанию

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Model 243 Regulator
Illustrations
243-12-2
I.R.V. Regulator
- as shown -
243-12-1
Same as I.R.V. Regulator
except no Internal Relief
Valve and Standard Cover
Cap as shown in inset.
PIPE SIZES
2” Flanged ANSI 125 lb FF
1
1 ⁄
2
” and 2” Screwed
243-8 HP
Remainder of regulator
same as 243-8-1
PIPE SIZES
2” Flanged ANSI 125 lb FF
1
1 ⁄
4
”, 1 1 ⁄
2
” and 2” screwed
243-8-1
Standard Regulator
- as shown -
243-8-2
Same as Standard
Regulator except
Internal Relief Valve as
shown in inset.
PIPE SIZES
2” Flanged ANSI 125 lb FF
1
1
⁄
4
”, 1
1
⁄
2
” and 2” screwed
Drilled and Tapped 1 ⁄
2
” NPT
on regulators arranged for
External Control Line
STANDARD
DIAPHRAGM
ASSEMBLY
INTERNAL
RELIEF
VALVE
Drilled and Tapped
1 ⁄
2
” NPT on regulators
arranged for External
Control Line
THROAT BLOCK
WITH O-RING SEAL
(for regulators arranged
for External Line Control)
1
2
3
4
5
8
9
10
11d 11f 13
11k
11b 11a 16 20b 21 24
1e
2a
25
27
26
25
11d
11a
11d
13
28
17
18
10
19
21
11k
11a
11d
5
13
1
2
3
4
5
8
9
10
11b 11a 16 20b 21 24
28
17
11d
11f 13
2
4
5
11e
13
10
11f
11b
11a
11s
1d
15
15
⁄
16
”
Vent
1” NPT
10 3 ⁄
16
” Dia.
9 3 ⁄
4
”
8 19 ⁄
32
”
7” or 10”
7” or 10”
9 3 ⁄
4
” (IRV COVER CAP)
10” (STD COVER CAP)
14” Dia.
10 13 ⁄
32
”
Vent
1” NPT
STANDARD
CAP
3
5 ⁄
8
”
5
⁄
8
”