SVF-20SA安全阀

(SVF-20SA) FULL BORE SAFETY RELIEF VALVE - FLG/SCW
MODEL: SVF-20SA WITHOUT LEVER
MODEL: SVF-20SLR WITH LEVER
Max. Pressure: 20 Kgf/cm2g / 300 PSI.
When placing order, please indicate Working Pressure TYPE: W/O Lever (A) With Lever (LR)
Working Fluid: Steam, Air, Liquid. Steam, Air.
l Non-Corrosive Gas, Non-Corrosive Liquid.
Test on Body: FC : 22 Kgf/cm2g (Hydrostatic)
SUS304, SUS316 : 44 Kgf/cm2g (Hydrostatic)
Working Pressure: FC : 0.35～10 Kgf/cm2g (150PSI)
SUS304, SUS316 : 1～20 Kgf/cm2g (300PSI)
Flange: FC : JIS 10 Kgf/cm2g
SUS304, SUS316 : JIS 20 Kgf/cm2g
Temperature: FC: 0℃ ～ 230℃ SUS304/SUS316: 0℃ ～ 280℃
Connection: FLANGED END TO JIS10K, 20K, ANSI 150 LBS.
SCREWED END TO BSPT (BS21) OR NPT (ANSI B2.1)
MATERIAL: SF2/SF1
No./ Parts W/O Lever SVF-20SA
With Lever SVF-20SLR
1 Cap FC SCS 13 SCS 14
2 Hexagon Nut SS 41 SUS 304 SUS 316
3 Lever BC SCS 13 SCS 13
4 Adjusting Bolt BC SUS 304 SUS 316
5 Stop Nut BC SUS 304 SUS 316
6 Spring Seat FC SUS 304 SUS 316
7 Spring SUP6 SUS / SUP6 SUS / SUP6
8 Stem SUS304 SUS 304 SUS 316
9 Body Cover FC SCS 13 SCS 14
10 Body FC SCS 13 SCS 14
11 Valve Body SUS 304 SUS 304 SUS 316
12 Adjusting Ring BC SUS 304 SUS 316
13 Adjusting Screw SS 41 SUS 304 SUS 316
14 Adjusting Ring BC SUS 304 SUS 316
15 Valve Seat SUS 304 SUS 304 SUS 316

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Size (mm) di x dt x do Inlet Outlet Inlet Orifice Valve Seat Orifice Effective Area Lift l
A B di dt (mm2) l L1 L2 H
15 x 11 x 25 1/2” 1” 13.0 11 94.9 2.7 50 85 195
20 x 15 x 25 3/4” 1” 18.0 15 176.6 3.8 50 85 195
25 x 19 x 32 1” 1.1/4” 22.5 19 283.3 4.8 65 85 225
32 x 26 x 40 1.1/4” 1.1/2” 30.0 26 530.6 6.5 70 90 235
40 x 29 x 50 1.1/2” 2” 34.0 29 660.1 7.3 75 100 285
50 x 38 x 65 2” 2.1/2” 44.0 38 1133.5 9.5 85 115 325

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