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Pneumatic angle low-temperature regulating valve
Technical parameters: Pneumatic angle low-temperature regulating valve nominal diameter mm 20 25 40 50 80 100 valve seat diameter mm 3 4 5 6 7 8 10 12
Product details
Pneumatic angle low-temperature regulating valve has a simple structure, reliable action, easy maintenance, fire and explosion prevention, simple valve body flow path, low resistance, high flow capacity, and light weight. Widely used in large-scale air separation equipment oxygen generators.
Technical parameters and performance indicators:
| Nominal diameter mm | 20 | 25 | 40 | 50 | 65 | 80 | 100 | ||||||||||
| Valve seat diameter mm | 3 | 4 | 5 | 6 | 7 | 8 | 10 | 12 | 15 | 20 | 26 | 32 | 40 | 50 | 66 | 80 | 100 |
| Rated flow coefficient Kv | 0.1 | 0.16 | 0.25 | 0.4 | 0.63 | 1.0 | 1.6 | 2.5 | 4 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 100 |
| Nominal pressure MPa | 1.6 | ||||||||||||||||
| Travel distance mm | 10 | 16 | 25 | 40 | |||||||||||||
| Traffic characteristics | straight line | Straight line; Equal percentage | |||||||||||||||
| Medium temperature ℃ | -200~ -80 | ||||||||||||||||
| Connection type | Welding with pipelines | ||||||||||||||||
| Equipped with executing agencies | ZMA(B)-2 | ZMA(B)-3 | ZMA(B)-3 | ||||||||||||||
| body material | LF4 | ||||||||||||||||
Main technical parameters of the executing agency:
| model | ZMA(B)2 | ZMA(B)3 | ZMA(B)4 |
| Effective area of film in cm ² | 280 | 400 | 630 |
| Travel distance mm | 10 ； sixteen | 25 | 40 |
| Spring range KPa | 20~100； 40~200； | ||
Performance indicators:
| Basic error% | Equipped with locator | ±1.5 | Constant point deviation% | Without locator | air to open | Starting point | ±2.5 |
| Without locator | ±6 | End | ±6 | ||||
| Return difference% | Equipped with locator | 1.5 | air to close | Starting point | ±6 | ||
| Without locator | 5 | End | ±2.5 | ||||
| Dead zone% | Equipped with locator | 0.6 | Equipped with locator | ±1.5 | |||
| Without locator | 4 | ||||||
| Rated travel deviation% | ±2.5 | ||||||
| Allowable leakage rate 1/h | 1 × 10 × -4 × rated capacity of valve | ||||||
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