Globe Control Valves: Precision and High Pressure Globe valves are the industry standard for high-precision throttling and high-pressure drops. Their design allows for fine-tuned flow control in demanding environments. Technical Parameters Flow Characteristics: Linear, Equal Percentage, or Quick Opening. Pressure Rating: Typically up to ASME Class 2500.Temperature Range: $-196text{°C}$ (Cryogenic) up to $538text{°C}$ (High Temp).Trim Design: Single-seated, double-seated, or cage-guided for noise reduction and cavitation control.
Superior Rangeability: Ideal for processes requiring a wide range of flow rates.
Durability: Metal-to-metal seating ensures longevity in abrasive or high-heat steam services.
Class VI Shut-off: Available with soft inserts for zero-leakage requirements.
Diaphragm Control Valves: Cleanliness and Corrosion Resistance
Diaphragm valves (also known as Saunders valves) use a flexible membrane to regulate flow. They are the go-to choice for slurries, corrosive chemicals, and hygienic applications.
Technical Parameters
Body Materials: Cast Iron, Ductile Iron, Stainless Steel, or Plastic (PVC/CPVC).
Lining Options: PFA, ETFE, Glass, or Hard Rubber for chemical inertness.
Pressure Rating: Generally lower, typically up to 10–16 bar (150-230 psi).
Diaphragm Materials: EPDM, PTFE, Butyl, or Nitrile.
Zero Contamination: The fluid path is isolated from the actuator, making it perfect for pharmaceuticals and food processing.
Slurry Handling: The 'straight-through' or 'weir-type' design prevents clogging from solids or viscous fluids.
Easy Maintenance: The top-entry design allows for diaphragm replacement without removing the valve body from the pipeline.
