Victor Equipment SR 250 single stage CO2 medium duty regulator. Model # SR253C-320 mfg # 0781-0077. This medium duty single stage regulator is ideal for welding and cutting applications. Compact single stage construction.
Gas service: CO2 (Carbon Dioxide)
CGA inlet fitting: CGA 320
Dimensions: 6-3/8" W x 5-1/8" H x 4-1/4" D
Weight: 2 lb 15 oz
Design/Construction:
- Forged brass body and housing cap
- 2" Gauges
- Stem type seat mechanism
- Diaphragm 1-3/4"
- Delrin cap bushing for smooth adjustments
- External self reseating relief valve not designed to protect downstream apparatus
- Sintered inlet filter
Specifications performance
- Maximum inlet: 3000 PSIG
- Delivery Range: 4-80 PSIG
Materials:
- Body: Forged brass
- Diaphragm: Fabric Reinforced Neoprene
- Housing cap: Forged brass
- Inlet filter: bronze
This is the SR250 single stage regulator model # SR253C-320 mfg # 0781-0077
Nice! The problem associated with maintaining CO2 concentration level is that gasses do not move as easily in water as they do when dissolved in liquids. The gas diffusion rate across cell boundaries can be as high as 10,000 times slower in water than in air.CO2Art
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