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 |
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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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