Introduction
A precision-engineered globe valve driven by a pneumatic actuator, designed to regulate flow, pressure, and temperature through accurate plug displacement.
Key Performance
Optimized internal flow geometry smooths medium-speed turbulence.
Multi-stage trim designs dissipate differential pressure energy progressively to shield sealing surfaces from cavitation and flashing erosion.
Oversized stems paired with elongated guide bushings prevent oscillation during high-frequency cycling, ensuring linear and steady modulation.
Technical Parameters
| Valve Body Diameter | 1/2", 3/4", 1", 1-1/4", 1-1/2", 2" (Optional NPT/BSP) |
| Valve Body Material | PVC |
| Actuator Material | Engineering Plastics |
| Sealing Material | FKM&PTFE |
| Wiring Diagram | CR202 (Auto Return When Power Off) |
| Working Voltage | AC/DC 9-24V (Optional AC/DC 9-24V, AC 110-230V, AC 24V/DC 12-24V) |
| Working Current | ≤500mA / ≤1A |
| Working Medium | Fluid, Air |
| Working Pressure | Max MPa |
| Switching Time | ≤5s / ≤15s / ≤12s |
| Lifetime | 70000 times (Testing pressure is 0.4 MPa, medium is water) |
| Actuator Rotation Angle | 90° / 360° |
| Torque Force | 2N.m / 10N.m / 15N.m |
| Cable Length | 0.5 m (Optional 1.5m) |
| Environment Temperature | -15℃ ~ 50℃ |
| Liquide Temperature | 2℃ ~ 90℃ |
| Switch Indicator | YES |
| Manual Override | NO(-C) / YES(-B) |
| Protection Class | IP67 |
Zero-Leakage Sealing Engineering
Packing systems are certified to ISO 15848-1, ensuring zero fugitive emissions of toxic or high-value media.
Plugs and seats are precision-lapped to achieve shut-off integrity up to ANSI/FCI 70-2 Class VI.
Optional bellows-seal bonnets provide a secondary physical barrier for high-risk chemical process safety.
Industry Access & Compliance
Design Framework
Fully compliant with ASME B16.34 to guarantee pressure boundary safety margins.
Functional Safety
SIL3 Safety Integrity Level certified for critical ESD (Emergency Shutdown) applications.
Traceability
EN 10204 3.1 Material Test Reports (MTR) provided for all pressure-containing components.
Application
Oil & Gas: Pressure compensation and flow proportioning in refining units, handling continuous modulation under high differentials.
Power Generation: Boiler feedwater, desuperheating systems, and deaerator level control, withstanding high-temp/high-pressure fluid impact.
Fine Chemicals: Precise control of reactor feed ratios and reaction temperatures, ensuring process loop isolation during emergencies.
Pharma & Food: Sterile steam control and clean fluid transport, providing accurate thermal compensation for hygienic processes.
Water Treatment: Accurate dosing and backwash flow distribution, maintaining stability in automated water purification cycles.
Professional Services
Engineering Sizing
CV value calculation reports provided by senior engineers to prevent hunting or instability caused by improper sizing.
Global Spare Parts
48-hour global dispatch for core seals and trim kits to minimize the risk of unplanned downtime.
FAQ
Q1: How do you resolve the high-pitched noise common in high-pressure drop control valves?
A: We utilize multi-hole cage-guided trims that dissipate fluid energy through micro-orifice technology, keeping noise below the industrial limit of 85dB(A).
Q2: Can this valve handle extreme failure scenarios like signal loss or air supply interruption?
A: Yes. It features a fail-safe reset. Utilizing internal high-stiffness springs, the valve can be configured as Fail-Open (FO) or Fail-Close (FC) based on process needs.
Q3: Stem packing often wears out during frequent modulation. What compensation is provided?
A: We use V-ring PTFE spring-loaded packing as standard. The live-loading mechanism automatically compensates for wear, eliminating the need for manual gland tightening.
Q4: How do you prevent the sealing faces from being wiredrawn under high-velocity flow?
A: Both the plug and seat are hard-faced with Stellite alloy. This ultra-hard surface resists erosion and impact, maintaining tight shut-off even in aggressive fluid conditions.
Hot Tags: pneumatic globe valve, China pneumatic globe valve manufacturers, suppliers, factory, single acting cylinder actuator, rodless piston, Pneumatic Gate Valve, pneumatic actuator operated butterfly valve, air actuated butterfly valve, on off ball valve with pneumatic actuator
