RVZZYP single-seat self-operated pressure control valve
Feature
Parameter
RVZZYP single-seat self-operated pressure control valve (Pressure control valve for short) is an actuator product that realizes automatic regulation by use of energy of regulated medium, without any additional energy. The product can work in the place without electricity and gas and energy can be saved. Pressure setting value can be adjusted an option in operation. Flow open flow characteristic is applied. The product is quick-acting, with good sealing performance, so it is widely applied to automatic control of pressure reduction and stabilization (used for after-valve regulation), or pressure relief and stabilization (used for before-valve regulation) of gas, liquid and steam medium in industrial equipment of petroleum, chemical engineering, electric power, metallurgy, foodstuff, light textile, machine manufacturing and residential architectural complex.etc
技术参数和性能指标
| 公称通径(mm) | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 |
| 额定流量系数(KV) | 7 | 11 | 20 | 30 | 48 | 75 | 120 | 19 | 300 | 480 | 760 | 1100 | 1750 |
| 额定行程(mm) | 8 | 8 | 10 | 10 | 14 | 20 | 20 | 25 | 40 | 40 | 50 | 60 | 70 |
| 公称压力（Mpa) | 1.6~1.3 | ||||||||||||
| 压力分段范围（Mpa） | 15~50 40~80 60~100 80~140 120~180 160~220,200~260,240~300 280, 350 33~400 380~450 430~500,480~560 540~620 600~700,680~800 780~900 880~1000 | ||||||||||||
| 流量特性 | 快开 | ||||||||||||
| 调节精度（%） | ±5 | ||||||||||||
| 使用温度（°C) | ≤350 | ||||||||||||
| 允许泄漏量（ml/min) | |||||||||||||
| 减压比（阀前压力阀后压力） | 最大10,最小1.25 | ||||||||||||
| 公称通径DN(mm) | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | ||
| 法兰接管尺寸（B) | 603 | 1023 | 1800 | 2002 | 2200 | |||||||||||
| 法兰端面距（L) | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | 730 | 850 | |||
| 压力调节范围（Kpa) | 15~140 | 高度（H） | 470 | 520 | 540 | 710 | 780 | 840 | 880 | 915 | 940 | 1000 | ||||
| 直径（A） | 280 | 400 | ||||||||||||||
| 120~300 | 高度（H） | 455 | 500 | 520 | 690 | 760 | 800 | 870 | 880 | 900 | 950 | |||||
| 直径（A） | 200 | |||||||||||||||
| 280~500 | 高度（H） | 450 | 490 | 510 | 680 | 750 | 790 | 860 | 870 | 890 | ||||||
| 直径（A） | 70 100 | |||||||||||||||
| 480~1000 | 高度（H） | 445 | 480 | 670 | 740 | 780 | 850 | 860 | 880 | 930 | ||||||
| 直径（A） | 70 | 100 | 280 | |||||||||||||
| 导压管接头螺纹 | M1.6X1.5 | |||||||||||||||
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