I. Exceptional Low-Temperature AdaptabilityMaterial Science InnovationCryogenic-Resistant Alloys: Pump casings and impellers use 304L/316L stainless steel (impact toughness ≥100J at -196°C) or alum...

I. Pre-Installation PreparationsEquipment and Material InspectionVerify the exhaust valve model, specification (e.g., DN25-DN100), rated pressure (PN16-PN40), and applicable medium (gas/steam/liqui...

Differences in Application Scenarios of Globe Valves and Control Valves in Hydrogen Production UnitsI. Globe Valves: For Isolation and Shut-OffInlet/Outlet Control of EquipmentApplied to the inlet/...

I. Multi-Layer Sealing System DesignHydrogen-Resistant Material SelectionHigh-Performance Seals: Adopt PTFE (polytetrafluoroethylene) or ETFE-lined seals with extremely low hydrogen permeability (p...

I. Leakage IssuesSeal FailureSymptom: Liquid/gas leakage at valve body joints or spool seats.Causes:Wear of O-rings/NBR seals due to high temperature or corrosion (e.g., NBR seals aging above 100°C...

Key Considerations for Installing Globe Valves and Exhaust ValvesI. Installation Precautions for Globe ValvesFlow Direction and OrientationFlow Mark Compliance: Install strictly according to the fl...