Støbt jernpumpedæksel: Pålidelige jernbanestøbegods i stor størrelse

Overview of Railway Cast Iron Pump Cover

Railway cast Iron pump cover is core sealing components designed specifically for railway vehicles (such as diesel locomotives, electric locomotives, and EMUs) and railway infrastructure (such as maintenance bases and station water supply systems). Made from high-strength gray cast iron (HT250/HT300) or ductile iron (QT450) through a precision casting process, they offer excellent pressure resistance, korrosionsbestandighed, and shock absorption. These covers strictly adhere to international railway industry standards (such as EN 15085 og IRIS) and are suitable for critical equipment such as fuel pumps, cooling water pumps, and hydraulic pumps. They effectively prevent media leakage, protect internal components, and ensure stable operation of railway systems under complex operating conditions.

Technical Parameters of Railway Cast Iron Pump Cover

Features of Railway Cast Iron Pump Cover

High Strength and Durability

• The spheroidized cast iron (QT450) increases its tensile strength by 30%, allowing it to withstand railway vibration and high-pressure media circulation, reducing the risk of deformation.
• An optimized internal rib design enhances the pump cover’s rigidity and prevents fatigue cracking caused by pressure fluctuations.

Excellent Sealing Performance

• An integrated double mechanical seal achieves a dynamic leakage rate of ≤0.5 mL/h, meeting railway safety standards (such as GB/T 34571-2017).
• A pre-designed quick-change seal slot allows maintenance without disassembling the pump body, minimizing downtime.

Environmental Adaptability

• The surface coating has passed the salt spray test (≥1000 hours), making it suitable for coastal, high-humidity, or industrially polluted environments.
• The low-temperature model utilizes an antifreeze formula to ensure seal flexibility at -40°C, preventing brittle fracture.

Lightweight and Modular Design

• The ductile iron model is 15% lighter than traditional gray cast iron, reducing train energy consumption.
• Standardized flange interfaces enable interchangeability between pump bodies from multiple brands, simplifying spare parts management.

Application of Railway Cast Iron Pump Cover

Diesel and Electric Locomotives

• Fuel Pump Cover: Seals diesel or gas to prevent leakage into high-temperature engine areas, suitable for models such as GE and Siemens.
• Cooling Water Pump Cover: Protects the water pump from corrosion caused by ethylene glycol coolant, withstanding temperature cycles from -40°C to +120°C.
• Hydraulic Pump Cover: Used in the braking system or pantograph lifting mechanism, ensures zero hydraulic oil leakage to maintain system pressure.

EMU and Urban Rail Transit Vehicles

• Main Cooling Pump Cover: Integrated exhaust valve design balances steam pressure during high-speed operation, preventing cavitation damage.
• Air Conditioning System Water Pump Cover: Features a food-grade coating to meet train drinking water transport hygiene standards.

Railway Infrastructure and Maintenance Bases

• Lubricating Oil Pump Cover: Used in equipment maintenance stations, withstands frequent starts and stops and the impact of high-pressure lubricating oil.
• Sewage Treatment Pump Cover: Corrosion-resistant design, suitable for wastewater discharge containing particulate matter.
• Station Water Supply Pump Cover: IP67 protection rating, prevents rainwater intrusion and motor short circuits.

Special Environment Routes

• Altitude and Cold Regions: Low-temperature ductile iron models are used to prevent seal hardening and failure.
• Desert Routes: Sand filters are installed to reduce sand intrusion into the pump body.
• Seismic Zones: Shock-absorbing rubber pads are designed to absorb the impact of earthquake waves on the pump cover.

Pakke af Railway Cast Iron Pump Cover

Polybag + Carton box+ Wooden case/Pallet, efter kundens ønske

Virksomhedsprofil

Luoyang Fonyo Heavy Industries Co., Ltd. blev grundlagt i 1998, dækker et område på 72.600㎡, med mere end 300 medarbejdere, 32 teknikere, inklusive 5 senioringeniører, 11 assistentingeniører, og 16 teknikere. Det er blevet vurderet som Luoyang Engineering Technology Center, Luoyang Technology R&D Center, og National High-tech Enterprise i mange gange.
Vores produktionskapacitet er 30,000 tons om året. For tiden, vi producerer hovedsageligt støbt stål, støbejern (gråt jern, duktilt jern, osv.), bearbejdning af færdigvare og komponentsamling til lokomotiv,jernbanevogn,højhastighedstog, mineudstyr,vindkraft,osv. Vores produkter er blevet eksporteret til Rusland, USA, Tyskland, Argentina, Japan, Frankrig, Sydafrika,Italien og andre lande.

Ofte stillede spørgsmål

Q1: Er du producent eller handelsvirksomhed?
EN: Vi er en producent. Vores firma blev grundlagt i 1998, med næsten 30 år i støbeindustrien, et samlet areal på 72.600㎡, med et fabriksbygningsareal på 51.000㎡.
Q2. Hvad er dine vigtigste produkter?
EN: Vi fokuserer primært på stålstøbning, jernstøbning, bearbejdning af færdigt produkt, og komponentsamlingsproduktion til lokomotiv, jernbanevogn, højhastighedstog, mineudstyr, vindkraft,osv.
Q3: Hvor præcision kan du producere støbedele?
EN: Vi har evnen til at producere støbedele med forskellige støbeprocesser. Produktionen er strengt i overensstemmelse med ISO 9001, ISO 14001 og ISO45001, EN15085, IRIS.
Q4. Kan du producere i henhold til prøverne?
 Ja, vi kan producere efter dine prøver eller tekniske tegninger. Vi kan også bygge tegninger til dig, efter at vi har fået dine prøver.
Q5: Hvordan laver du kvalitetskontrol før levering?
EN: Kvalitetsinspektion er en meget vigtig faktor for at garantere kvaliteten af ​​stålstøbedele. Vi følger efter 3 inspektionstidspunkter under hele produktionsprocessen. Og vi vil levere materialetestrapport, dimensionel prøvningsrapport, og mekaniske egenskaber test rapport til vores kunder før levering.

Hvis du er interesseret i alle produkter, er du velkommen til at kontakte os.
Kontakte: Stella Liu
E-mail:[email protected]
WhatsApp: +86-152-3615-7103