Zawór zasuwowy kołnierzowy
Średnica nominalna：1/2”-36”(DN15-DN900)
Ciśnienie nominalne：Klasa 150-Klasa 2500 (1,0 MPa-320 MPa)
Maksymalna temperatura pracy：425℃
Materiał powłoki：CW6MC，Rok 2040，N06625，N10276，WCB，WCC，CF8，CF8M，Monel K500，Inconel 718，M35-1，A105，F304，F316，F316L，CF3，CF3M
Standardy projektowe: API 600, ISO 10434, ASME B16.34, GB/T 12234, EN 10434, DIN 3352, JIS B2032
Połączenie:Kołnierz
Tryb jazdy: Ręczny, Elektryczny, Pneumatyczny, Hydrauliczny
Zawór zasuwowy kołnierzowy
Definicja produktu i misja bezpieczeństwa:
The Flanged Gate Valve is a core component for achieving reliable flange connections in industrial piping systems, overcoming the pain points of traditional connection methods such as leakage under high pressure sealing, frequent disassembly, and large-diameter conditions, as well as difficulties in alignment and complex installation. This heavy-duty Flanged Gate Valve completely eliminates the risk of leakage at pipeline connections through standardized flange interfaces and precision sealing technology.
JH Flanged Gate Technology Core
- Flange seal → Sealing surface flatness ≤ 0.05mm (ASME B16.5)
- High pressure adaptability → Pressure rating Class 150-2500 (ASME B16.34)
- Quick installation → Centering deviation tolerance ±1.5mm (ISO 5752)
- Long-lasting seal → Mechanical life ≥ 30,000 cycles (API 598)
- Analiza techniczna produktu
- System siłowników
- Technologia kucia/odlewania
Industrial-grade flange gate valves are based on advanced manufacturing processes and precision engineering technology. The flange end face is strictly machined according to ASME B16.5 standards to ensure that the flatness of the sealing surface is ≤0.05mm. The valve body adopts integral die forging or investment casting processes, with a material density ≥98% and a pressure bearing capacity exceeding the standard requirements by 30%. The sealing system achieves absolute metal-to-metal sealing at a sealing pressure of 12MPa through precision-machined wedge-shaped sealing pairs. The drive system covers a full range of solutions from manual to electro-hydraulic linkage, ensuring accurate and reliable control performance under various operating conditions.
To meet diverse automation needs, we provide comprehensive and diversified drive solutions with precise control under all operating conditions, ensuring accurate control and diversified drive solutions in various operating conditions.
Projekt rdzenia:
▌ Manual Precision Control → Worm Gear Drive Mechanism (ISO 5211) | Adjustment Accuracy ±1°
▌ Electric intelligent control → Intelligent positioning module (IEC 60534) | Full travel time ≤ 25s
▌ Napęd pneumatyczny szybki → Double-acting cylinder design | Response time ≤ 1.5s
▌ Układ połączeń elektrohydraulicznych → Napęd hydrauliczny o wysokim momencie obrotowym | Moment wyjściowy ≥ 80000 N·m
The forging and casting process system and advanced forming technology ensure the integrity of the product structure and its excellent performance, providing a solid foundation for long-term reliable operation and superior performance.
Projekt rdzenia:
▌ Integral Die Forging Technology → Forged Valve Body (ASTM A350 LF2) | Grain Size ≥ Grade 6
▌Proces odlewania precyzyjnego → Investment Casting Technology (ASTM A351) | Surface Roughness Ra≤3.2μm
▌ Optymalizacja obróbki cieplnej → Solution Treatment + Aging Treatment | Low-Temperature Impact Energy ≥ 54J
▌Gwarancja badań nieniszczących → Badanie radiograficzne 100% (ASTM E94) | Współczynnik defektów ≤0,01%
Główna konstrukcja i zalety
- Precision Flange Sealing: Flanged Gate Valve uses precision-machined flange faces → flatness ≤0.05mm (ASME B16.5) | Eliminating potential leakage risks at flange connections.
- Advanced forming process: Integral die-forged valve body ensures material density → Grain size ≥ Grade 6 (ASTM E112) | Pressure bearing capacity increased by 30%
- Intelligent drive control: Electric actuator integrates intelligent positioning → Full stroke time ≤ 25s (IEC 60534) | Control accuracy ±0.5%
- Fast-response drive: Double-acting pneumatic actuator design → Response time ≤ 1.5s | Suitable for frequent adjustment conditions
- High torque output: Electro-hydraulic linkage system with hydraulic drive → Output torque ≥ 80000 N·m | Breaking through the bottleneck of large-diameter valve operation
- Long-term reliable operation: A comprehensive quality assurance system → Mechanical life ≥ 30,000 cycles | Maintenance cycle extended by 300%
Inne produkty
FAQ-Zawór zasuwowy kołnierzowy
A Flanged Gate Valve is a type of gate valve that connects to pipeline systems through flanged connections, utilizing a rising gate mechanism to achieve complete fluid shutoff or unrestricted flow. This valve features small flow resistance coefficient, reliable sealing performance, moderate operating torque, and long service life. Its flanged connection design facilitates easier installation and removal, as well as simpler maintenance, making it widely used in various industrial pipeline systems requiring reliable shutoff.
Flanged Gate Valves perform excellently in the following working conditions:
Systemy petrochemiczne: Refining and chemical production facilities
Water Supply Networks: Municipal water supply and industrial water pipelines
Energy Power Systems: Power plant steam and water pipelines
Industrial Process Systems: Various industrial production process pipelines
Budowa systemów rurociągowych: Large building water supply and drainage systems
As one of the most reliable connection methods in pipeline systems, flanged connections offer irreplaceable advantages. Their high connection strength enables them to withstand significant pipeline stress and external loads; reliable sealing performance achieves excellent sealing through flange gasket compression; strong adaptability makes them suitable for harsh conditions like high temperature, high pressure, and vibration; convenient maintenance facilitates easy disassembly and reinstallation for system inspection and maintenance; high standardization with unified international standards ensures strong interchangeability.
The following key parameters need confirmation when selecting Flanged Gate Valves:
Pressure Rating Standards: PN series or Class series pressure ratings
Flange Standard Specifications: ANSI, DIN, GB, JIS and other flange standards
Zakres temperatur zastosowania: Temperature range based on material selection
Wybór materiału korpusu: Cast iron, cast steel, stainless steel and other materials
Flange Face Type: RF, FF, RTJ and other sealing face forms
Face-to-Face Standards: Structural dimensions complying with relevant standards
Special attention is required during Flanged Gate Valve installation:
Flange Alignment Accuracy: Ensure precise alignment between pipeline flanges and valve flanges
Gasket Selection and Installation: Select appropriate gaskets and install correctly
Bolt Tightening Sequence: Tighten bolts step by step uniformly in diagonal sequence
Pipeline Support Setting: Set proper pipeline supports to avoid stress
Sealing Face Protection: Protect flange sealing faces during installation
Tightening Torque Control: Use torque wrenches to control bolt preload
Daily maintenance of Flanged Gate Valves should focus on:
Regularne testowanie funkcji:W tym wydajność uszczelnienia i elastyczność operacyjna
Kontrola dokręcenia śrub: Regular check of flange connection bolt tightness
Monitorowanie wydajności uszczelnienia: Inspect sealing condition at flange connections
Czyszczenie zewnętrzne Konserwacja:Utrzymuj zawory w czystości, aby zapobiec korozji
Smarowanie mechanizmu operacyjnego: Regular lubrication of stem and operating mechanism
Common issues with Flanged Gate Valves include:
Nieszczelność połączenia kołnierzowego: Caused by gasket aging or bolt loosening
Zwiększony moment obrotowy roboczy: Due to insufficient stem lubrication or media deposition
Degradacja wydajności uszczelnienia: Wear of gate or seat sealing surfaces
Bolt Tightening Failure: Bolt loosening due to long-term vibration
External Corrosion Issues: Environmental corrosion affecting valve service life
Our Flanged Gate Valves support a complete certification system including CE, ISO 9001, API 6D, ABS (American Bureau of Shipping), BV (Bureau Veritas), CCS (China Classification Society), fire safety certifications, and environmental certifications.