A: Yes. Even though the GHOV-28 has a built-in 40-micron screen, an external 5-micron filter regulator is strongly advised for pneumatic actuation.
A: Most authorized sellers offer 24 months from invoice date, covering defects in materials and workmanship. Consumables (packing, seals) are warrantied for 6 months. ghov-28
| Feature | GHOV-28 | ASCO 327 | Fisher E-body | | :--- | :--- | :--- | :--- | | Flow Coefficient (Cv) | 28 (exact) | 25-30 variable | 27.5 | | Hysteresis | <0.5% | 1.2% | 1.5% | | Shutoff Class | Class VI (Zero leak) | Class IV (moderate leak) | Class V | | Temperature Range | -20°C to 350°C | -10°C to 200°C | -29°C to 260°C | | Mean Time to Repair (MTTR) | 45 minutes | 90 minutes | 120 minutes | | | 1.0 (baseline) | 0.85 (cheaper) | 1.3 (more expensive) | A: Yes
Introduction In the rapidly evolving landscape of industrial automation and process control, few identifiers carry as much weight as the alphanumeric designation GHOV-28 . While not a household name for the general public, within the engineering, manufacturing, and heavy machinery sectors, GHOV-28 has become a benchmark for reliability, thermal efficiency, and adaptive control logic. Consumables (packing, seals) are warrantied for 6 months
A: Only if ordered with the PTFE diaphragm option. Standard EPDM seals degrade rapidly in H₂O₂ vapor. This guide was last updated in May 2025. Specifications for GHOV-28 are subject to change without notice by individual manufacturers. Always consult the installation manual provided with your specific unit.