Zrqm Series Intelligent Pressure Balance Electric Control Adjust Valve

The ZRQM series intelligent electric control valve is a pressure-balanced regulating valve designed for precise and stable control in various industrial applications. It is equipped with the RQM series intelligent electric actuator, offering a compact, lightweight, and highly stable structure with an advanced protection level. This makes it ideal for use in large thermal power plants, chemical processing facilities, water treatment systems, sewage treatment plants, natural gas pipelines, oil fields, and steel mills. **Key Components and Materials** - **Valve Body and Cover**: HT200, ZG230–450, ZG1Cr18Ni9Ti - **Valve Plug and Seat**: 1Cr18Ni9Ti with Ti alloy surfacing - **Valve Stem and Push Rod**: 2Cr13, 1Cr18Ni9Ti - **Bushings**: 2Cr13 - **Packing**: PTFE, flexible graphite, and stainless steel corrugated packing **Important Technical Parameters of Electric Actuator** - **Output Thrust**: 44 – 550 kN - **Adjustment Thrust**: 5.71 – 47.05 kN - **Rated Closing Thrust**: 8.4 – 63.15 kN - **Position Control Deviation**: Set travel time = 25 ± 1 seconds - **Repeatability Deviation**: ≤ 1% (for travel time > 25 seconds) - **Dead Zone**: Adjustable from 0.1% to 9.9% - **Rated Load Starting Frequency**: 1200 cycles per hour - **Input Signals**: 4–20 mA/100 Ω, 2–10 mA/100 Ω, DC24V switching - **Power Supply**: 380 ± 10% VAC, 50 Hz - **Relative Humidity**: < 95% - **Ambient Temperature**: -30°C to +70°C - **Explosion Proof Rating**: Exd II BT4 - **Protection Level**: IP68 - **Signal Isolation**: Photoelectric isolation used in input and output channels **Regulating Mechanism Technical Parameters** | Nominal Diameter (DN/mm) | 20 (10) | 20 (12) | 20 (15) | 20 (20) | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | |--------------------------|---------|---------|---------|---------|----|----|----|----|----|----|-----|-----|-----|-----|-----|-----| | Rated Flow Coefficient (Kv) - Linear | 1.8 | 2.8 | 4.4 | 6.9 | 11 | 17.6 | 27.5 | 44 | 69 | 110 | 176 | 275 | 440 | 690 | 1100 | 1760 | | Rated Flow Coefficient (Kv) - Equal Percentage | 1.6 | 2.5 | 4.0 | 6.3 | 10 | 16 | 25 | 40 | 63 | 100 | 160 | 250 | 400 | 630 | 1000 | 1600 | | Rated Stroke (L/mm) | 10 | 10 | 16 | 25 | 40 | 60 | 100 | — | — | — | — | — | — | — | — | — | | Inherent Flow Characteristics | Linear, Equal Percentage | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | | Intrinsic Adjustable Ratio (R) | 50:1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | | Leakage Class | IV Grade (Hard Seat), VI Grade (Soft Seat) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | | Nominal Pressure (PN/MPa) | 1.6, 4.0, 6.4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | | Working Temperature (°C) | -20~200, -40~250, -60~250 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | The ZRQM series is suitable for both high and low temperature environments, as well as extreme conditions such as high heat dissipation and cryogenic applications. The design ensures reliable performance across a wide range of operating conditions. ![ZRQM Series Intelligent Pressure Balance Electric Control Valve](http://i.bosscdn.com/uploads/84/08/87/f4c26888902b4bb2aca589f389.jpg) ![ZRQM Series Intelligent Pressure Balance Electric Control Valve](http://i.bosscdn.com/uploads/91/ca/09/fd4fe87ecedcbf30ad7954023b.jpg)

PP Coffee Capsule

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