MODEL: SV-B27
BRONZE SAFETY RELIEF VALVE (OLD MODEL: S3W-A) |
|
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)
|
Working Fluid : |
SV-B27/SV-B29/SVP-B29
Non-Corrosive Gas, Air, Steam.
SVP-B27 (without lever)
Non-Corrosive Gas, Liquid, Air, Steam, Water, Oil. |
|
Working Temp: |
-45℃～185℃ |
|
Working Pressure: |
SV-B27 / SV-B29 :
0.3 ~ 10 Kgf/cm2 11 ~ 20 Kgf/cm2
SVP-B27 / SVP-B29 (PTFE)
3 ~ 10 Kgf/cm2 |
|
Thread End: |
BSPT (BS21), NPT (ANSI B2.1) |
|
MATERIAL: |
|
No./ Parts |
W/O Lever |
SV-B27 (S3W-A) |
SVP-B27 |
|
With Lever |
SV-B29 (S3W-LR) |
SVP-B29 |
|
|
Type : |
METAL TO METAL |
PTFE |
|
1 |
Valve Seat |
FORGE BRASS |
FORGE BRASS |
|
2 |
Valve Disc |
FORGE BRASS |
FORGE BRASS |
|
3 |
Valve spindle
(Stem) |
FORGE BRASS |
FORGE BRASS |
|
3-1 |
Valve Seal |
- |
PTFE |
|
4 |
Valve Body |
BRONZE |
BRONZE |
|
5 |
Spring Shoe |
BsBM |
BsBM |
|
6 |
Adjusting Screw |
BsBM |
BsBM |
|
7 |
Stop Nut |
BsBM |
BsBM |
|
8 |
Cap |
FORGE BRASS |
FORGE BRASS |
|
9 |
Lever (Type: B29) |
STEEL |
STEEL |
|
10 |
Spring |
SWOSC-V |
SWOSC-V |
|
11 |
Screw Washer |
BsBM |
BsBM |
|
12 |
Hexagon Nut |
BsBM |
BsBM |
|
13 |
Stop Bolt |
BsBM |
BsBM |
|
14 |
Pin |
BsBF |
BsBF |
|
This type of safety valve is characterized by regulating of pressure in valve rising and blowing-out when actuated and is 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 |
L2
F |
Fitting Screw |
Closed Type |
Lever Type |
|
2.22Dl |
πD l |
0.785D2 |
Inlet d1 |
Outlet d2 |
A mm |
Weight |
A1 mm |
Weight |
|
12 |
12 |
0.52 |
13.32 |
18.84 |
113.0 |
29 |
50 |
PT 1/2 |
PF 1/2 |
138 |
0.52 |
161 |
0.59 |
|
19 |
19 |
0.76 |
32.05 |
45.36 |
283.3 |
36 |
58 |
PT 3/4 |
PF 3/4 |
150 |
0.66 |
172 |
0.74 |
|
25 |
25 |
1.00 |
55.50 |
78.53 |
490.6 |
40 |
70 |
PT 1 |
PF 1 |
180 |
1.09 |
202 |
1.19 |
|
32 |
32 |
1.28 |
90.93 |
128.67 |
803.8 |
50 |
82 |
PT 1.1/4 |
PF 1.1/4 |
206 |
1.90 |
222 |
1.94 |
|
38 |
38 |
1.52 |
128.22 |
181.45 |
1133.5 |
54 |
93 |
PT 1.1/2 |
PF 1.1/2 |
231 |
2.35 |
246 |
2.39 |
|
50 |
50 |
2.00 |
222.00 |
314.15 |
1962.5 |
67 |
102 |
PT 2 |
PF 2 |
265 |
3.85 |
282 |
4.11 | |
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