Oxygen Explosion-proof Wall Brass Shut-off Valve
Oxygen Explosion-proof Wall Brass Shut-off Valve
Technical Specifications
Customized Processing
Yes
Connection
Other
Material
Cast Copper | Copper
Pressure Environment
Operating Temperature
Ordinary Temperatures
Flow Direction
One-dimensional
Driving Method
Manually Operated
Parts And Accessories
Stem
Type
Straight-through
Sealing Form
Other
Shape
Sealing Form
Safe and reliable: The valve is equipped with dust-proof, water-proof and oil-proof devices, all the valve parts in contact with oxygen are strictly degreased and oil-prohibited before assembly, and the packing material is PTFE, which ensures safety and reliability in use.
The structural forms of globe valve body are straight-through type, straight flow type and right angle type. Straight-through type is the most common structure, but its fluid resistance. Straight flow type fluid resistance is small, mostly used for solid particles or viscosity of the fluid. Right-angle type valve body is mostly forged, suitable for smaller throughput, higher pressure of the globe valve.
Advantages:
Simple structure, manufacture and maintenance is relatively convenient.
Small working stroke, short opening and closing time.
Good sealing, small friction between sealing surfaces, long life.
Disadvantages:
Fluid resistance is large, and the force required for opening and closing is large.
Not suitable for particles, viscosity, easy to coking medium.
Poor regulation performance.
Performance Parameters:
| Nominal Diameter(DN) | 15－400 | |||
| Nominal Pressure（MPa） | 1.6 | 2.5 | 4 | |
| Test Pressure（MPa） | Dissociation | 2.4 | 3.75 | 6 |
| Seal | 1.76 | 2.75 | 4.4 | |
| Applicable Temperature | ≤200℃ | |||
| Applicable Medium | Oxygen | |||
| Body | Silicon Brass | Stainless Steel | |||
| Stem | Stainless Steel | |||
| Spool | Copper | Stainless Steel | |||
| Packing | Polytetrafluoroethylene | |||
Connection Size:
| 1.6Mpa | DN | L | D | D1 | D2 | b | n-φd | H | D0 |
| Convex Flange RF | 25 | 160 | 115 | 85 | 65 | 14 | 4-φ14 | 308 | 160 |
| JY41W-16P | 32 | 180 | 135 | 100 | 78 | 16 | 4-φ18 | 316 | 160 |
| JY41W-16T | 40 | 200 | 145 | 110 | 85 | 16 | 4-φ18 | 328 | 180 |
| JY41Y-16P | 50 | 230 | 160 | 125 | 100 | 16 | 4-φ18 | 356 | 200 |
| JY41Y-16T | 65 | 290 | 180 | 145 | 125 | 18 | 4-φ18 | 389 | 280 |
| 80 | 310 | 198 | 160 | 135 | 20 | 8-φ18 | 400 | 280 | |
| 100 | 350 | 215 | 180 | 155 | 20 | 8-φ18 | 460 | 320 | |
| 125 | 400 | 245 | 210 | 185 | 22 | 8-φ18 | 528 | 320 | |
| 150 | 480 | 280 | 240 | 210 | 24 | 8-φ23 | 668 | 450 | |
| 200 | 600 | 335 | 295 | 265 | 26 | 26-φ23 | 795 | 500 | |
| 250 | 650 | 405 | 355 | 320 | 30 | 30-φ25 | 910 | 560 | |
| 300 | 750 | 460 | 410 | 375 | 30 | 30-φ25 | 1200 | 640 | |
| 350 | 850 | 520 | 470 | 435 | 34 | 34-φ25 | 1200 | 720 | |
| 400 | 950 | 580 | 528 | 485 | 36 | 36-φ30 | 1560 | 800 |
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