(SV-B3DA) BRONZE SAFETY RELIEF VALVE (1x2)
MODEL: SV-B3DA / SVP-B3DA (NO LEVER)
MODEL: SV-B3DL / SVP-B3DL (WITH LEVER)
When placing order, please indicate Working Pressure The features of low lift bronze safety valves for which the valve seat & disc are processed by lapping. The Disc can be replaced with PTFE for good effect of anti-leakage. (Model: SVP-B3DA, SVP-B3DL) Working Fluid : Metal to Metal: Non-Corrosive Gas, Air, Steam. PTFE: l Non-corrosive Gas, Non-corrosive Liquid. l Air, Steam, Water, Oil.
Working Temp: -45℃～185℃
Working Pressure: SV-B3DA / SV-B3DL : 0.3 ~ 10 Kgf/cm2 , 11 ~ 20 Kgf/cm2 SVP-B3DA / SVP-B3DL : 3 ~ 10 Kgf/cm2 (PTFE)
MATERIAL:
No./ Parts W/O Lever SV-B3DA SV-B3DL SVP-B3DA SVP-B3DL
With Lever
Type : METAL TO METAL PTFE
1 Valve Body CAST BRONZE CAST BRONZE
2 Valve Seat FORGE BRASS FORGE BRASS
3 Valve Disc FORGE BRASS FORGE BRASS
3-1 Soft Seal - PTFE
4 Spring STEEL STEEL
5 Stem BRASS BRASS
6 Cap BRASS BRASS
7 Packing (B3DA) ASBESTOS ASBESTOS
8 Spring Seat BsBM BsBM
9 Nut BsBM BsBM
10 Adjusting Screw BsBM BsBM
11 Handle (B3DL) STEEL STEEL
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Dimension: Type: Sealing (without lever) mm Type: Lever mm
Size Inlet Outlet Inlet Orifice Valve Seat Orifice Lift l Weight kgs Size Weight kgs
A B C di ds E F A1
3/8” x 1/2” 138 3/8” 1/2” 10 13 29 50 0.52 0.52 3/8” x 1/2” 161 0.58
1/2” x3/4” 150 1/2” 3/4” 13 19 36 58 0.76 0.66 1/2” x 3/4” 172 0.74
3/4” x 1” 176 3/4” 1” 19 25 40 66 1.00 1.09 3/4” x 1” 198 1.20
1” x 1.1/4” 206 1” 1.1/4” 25 32 50 82 1.28 1.83 1” x 1.1/4” 222 1.83
1.1/4” x 1.1/2” 227 1.1/4” 1.1/2” 32 38 54 89 1.52 2.35 1.1/4” x 1.1/2” 242 2.37
1.1/2” x 2” 262 1.1/2” 2” 38 50 66 99 2.00 3.79 1.1/2” x 2” 279 4.00
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