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MODEL: SV-B27 / SVP-B27 WITHOUT
LEVER
MODEL: SV-B29 / SVP-B29 WITH
LEVER
SV-B27/SV-B29 optional Pressure: 10.5~20 Kgf/cm2
When
placing order, please indicate Working Pressure
The Disc
can be replaced with PTFE for good
effect of anti-leakage. (Model: SVP-B27, SVP-B29)
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Working Fluid :
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SV-B27/SV-B29/SVP-B29
Non-Corrosive Gas, Air, Steam.
SVP-B27 (without lever)
Non-Corrosive Gas, Liquid, Air, Steam, Water, Oil.
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Working Temp:
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-45℃～185℃
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Working Pressure:
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SV-B27 / SV-B29 :
0.3 ~ 10 Kgf/cm2 11 ~ 20 Kgf/cm2
SVP-B27 / SVP-B29 (PTFE)
3 ~ 10 Kgf/cm2
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Thread End:
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BSPT (BS21), NPT (ANSI B2.1)
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MATERIAL:
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No./ Parts
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W/O Lever
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SV-B27 (S3W-A)
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SVP-B27
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With Lever
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SV-B29 (S3W-LR)
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SVP-B29
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Type :
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METAL TO METAL
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PTFE
|
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1
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Valve Seat
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FORGE BRASS
|
FORGE BRASS
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2
|
Valve Disc
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FORGE BRASS
|
FORGE BRASS
|
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3
|
Valve spindle
(Stem)
|
FORGE BRASS
|
FORGE BRASS
|
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3-1
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Valve Seal
|
-
|
PTFE
|
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4
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Valve Body
|
BRONZE
|
BRONZE
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5
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Spring Shoe
|
BsBM
|
BsBM
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6
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Adjusting Screw
|
BsBM
|
BsBM
|
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7
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Stop Nut
|
BsBM
|
BsBM
|
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8
|
Cap
|
FORGE BRASS
|
FORGE BRASS
|
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9
|
Lever (Type: B29)
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STEEL
|
STEEL
|
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10
|
Spring
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SWOSC-V
|
SWOSC-V
|
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11
|
Screw Washer
|
BsBM
|
BsBM
|
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12
|
Hexagon Nut
|
BsBM
|
BsBM
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13
|
Stop Bolt
|
BsBM
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BsBM
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14
|
Pin
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BsBF
|
BsBF
|
|
|
|
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This
type of safety valve is characterized by regulating of pressure in valve
rising and blowing-out when actuated andis the smallest and lightest valve,
and also can be used in non-corrosive gases (air, oxygen, nitrogen, etc.)
steam and liquids, such as water and oil. The sizes shown in the chart are
subject to change without notice.
|
Nominal
Diameter
|
Valve Seat
Diameter D
|
Lift
l
|
Effective Area mm2
|
L1
E
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L2
F
|
Fitting Screw
|
Closed Type
|
Lever Type
|
|
2.22Dl
|
πD l
|
0.785D2
|
Inlet d1
|
Outlet d2
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A mm
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Weight
|
A1 mm
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Weight
|
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12
|
12
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0.52
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13.32
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18.84
|
113.0
|
29
|
50
|
PT 1/2
|
PF 1/2
|
138
|
0.52
|
161
|
0.59
|
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19
|
19
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0.76
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32.05
|
45.36
|
283.3
|
36
|
58
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PT 3/4
|
PF 3/4
|
150
|
0.66
|
172
|
0.74
|
|
25
|
25
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1.00
|
55.50
|
78.53
|
490.6
|
40
|
70
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PT 1
|
PF 1
|
180
|
1.09
|
202
|
1.19
|
|
32
|
32
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1.28
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90.93
|
128.67
|
803.8
|
50
|
82
|
PT 1.1/4
|
PF 1.1/4
|
206
|
1.90
|
222
|
1.94
|
|
38
|
38
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1.52
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128.22
|
181.45
|
1133.5
|
54
|
93
|
PT 1.1/2
|
PF 1.1/2
|
231
|
2.35
|
246
|
2.39
|
|
50
|
50
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2.00
|
222.00
|
314.15
|
1962.5
|
67
|
102
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PT 2
|
PF 2
|
265
|
3.85
|
282
|
4.11
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