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Średnica nominalna: 2”-200” (DN50-DN5000)
Ciśnienie nominalne: Klasa 150-Klasa 2500 (1,0 MPa-250 MPa)
Maksymalna temperatura pracy: 425°C
Materiał skorupy:WCB，WCC，A105，F304，F316，F316L，N06625，CF8, CF3, CF3M, CW6MC, CY40, M35-1,Inconel 718，N10276，CF8M，Monel K500
Normy projektowe: API 609, AWWA V504, GB/T 12238, EN 593, DIN 3354, JIS B2034
Connection method: Spawalniczy
Tryb jazdy: Ręczny, Elektryczny, Pneumatyczny, Hydrauliczny
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Definicja produktu i misja bezpieczeństwa:
The Butt Welding Butterfly Valve is a core component in modern industrial piping systems, enabling permanent connections and zero-leakage seals. Through its innovative welding structure and precision manufacturing process, this valve completely solves key technical challenges such as flange connection leakage and high maintenance costs, providing a perfect permanent connection solution for high-temperature and high-pressure applications.
JH Butt Welding Butterfly Technology Core
- Full penetration structure: weld strength ≥ 95% of base metal
- Precision alignment design: Welding misalignment ≤ 0.5mm
- High temperature and high pressure sealing: Applicable temperature -196℃ to +650℃
- Intelligent execution system: Control accuracy ±0.5°
- Analiza techniczna produktu
- System siłowników
- Technologia kucia/odlewania
Innovative design ensures superior performance. The success of this JH Butt Welding Butterfly Valve stems from its innovative welding structure and precision manufacturing process: the valve body features an optimized butt-weld end structure, ensuring perfect integration with the piping system; precision-machined weld bevels guarantee full penetration connection quality; the actuation system provides precise flow control; and the sealing structure is specifically designed for welded valves, ensuring long-term operational reliability. Every detail undergoes rigorous testing to ensure the superior performance of this butt-welded butterfly valve under various demanding operating conditions.
Precyzyjna kontrola w każdych warunkach pracy, zapewniająca idealne i wszechstronne rozwiązanie napędowe spełniające różne potrzeby w zakresie automatyzacji.
Projekt rdzenia:
▌Elektryczne sterowanie inteligentne → Moduł inteligentnego pozycjonowania (IEC 60534) | Dokładność sterowania ±0,5°
▌ Napęd pneumatyczny szybki → Konstrukcja cylindra dwustronnego działania | Czas reakcji ≤ 2 s
▌ Układ połączeń elektrohydraulicznych → High-torque hydraulic drive | Output torque ≥ 60000 N·m
▌ Ręczna kontrola precyzji → Worm gear drive (ISO 5211) | Operating torque ≤100 N·m
Zaawansowane procesy formowania gwarantują doskonałą wydajność produktu, jego integralność strukturalną i długoterminową niezawodną pracę.
Projekt rdzenia:
▌ Integral Forged Valve Body → Forged (ASTM A350 LF2) | Grain Size ≥ Grade 6
▌Proces odlewania precyzyjnego → Investment Casting Technology (ASTM A351) | Surface Quality Ra≤3.2μm
▌Post-weld heat treatment → Relieve welding stress | Residual stress ≤ 15% of yield strength
▌Gwarancja badań nieniszczących → Badanie radiograficzne 100% (ASTM E94) | Współczynnik defektów ≤0,01%
Główna konstrukcja i zalety
- Reliable Permanent Connection: This Butt Welding Butterfly Valve features a full penetration weld design, ensuring complete integration with the piping system → Weld strength ≥ 95% of base material (ASME B16.25) | Completely eliminates the risk of leaks at connection points.
- Precyzyjna obsługa i kontrola: This weld neck butterfly valve is equipped with a high-precision actuation system, achieving precise process control → Positioning accuracy ±0.5° (IEC 60534 standard) | Meeting the requirements for precise flow regulation.
- Enhanced Overall Structure: The JHButt Welding Butterfly Valve body utilizes integral forging technology → Pressure rating Class 150-2500 (ASME B16.34) | Ensuring safe and reliable operation under high pressure conditions.
- High Temperature and High Pressure Sealing: This weld neck butterfly valve uses special sealing materials to withstand extreme temperatures and pressures → Applicable temperature -196℃~+650℃ | Covering most industrial operating conditions
- Inteligentna integracja obsługi i konserwacji: This Butt Welding Butterfly Valve supports intelligent control systems → supports PROFIBUS communication (IEC 61158) | enabling real-time monitoring of equipment status.
- Long lifespan design: Key components of this weld neck butterfly valve undergo special reinforcement treatment → service life ≥ 1 million cycles (ISO 5208 certified) | Significantly reduces lifecycle costs.
Inne produkty
FAQ-Zawór motylkowy do spawania doczołowego
Butt Welding Butterfly Valves are particularly suitable for high-pressure, high-temperature applications requiring permanent, zero-leakage connections. They are commonly used in petrochemical plants, power stations, nuclear facilities, and high-temperature high-pressure steam systems where maximum pipeline integrity and sealing performance are critical.
Butt Welding Butterfly Valves offer the following significant advantages:
Integralność strukturalna: Forms permanent connection with pipeline, eliminating leakage points
Oszczędność miejsca: No flange connection space required, more compact installation
Pressure Capability: Suitable for higher pressure rating systems
Economical: Lower long-term operation and maintenance costs
Fatigue Resistance: Better vibration and fatigue resistance
Podczas wyboru należy potwierdzić następujące kluczowe parametry:
Welding Standards: Pipeline specifications and welding process requirements
Ciśnienie Temperatura: Zakres ciśnienia projektowego i temperatury roboczej
Charakterystyka medium: Medium corrosiveness, particulate content, etc.
Dopasowanie materiałów: Compatibility between body material and pipeline material
End Preparation: Groove type and welding end preparation requirements
Podczas instalacji należy zwrócić szczególną uwagę na:
Welding Process: Use qualified welding procedures and certified welders
Dokładność wyrównania: Ensure precise alignment between valve body and pipeline
Heat Affected Zone: Control welding heat input to protect internal seals
Pre-treatment: Thorough cleaning and groove preparation before welding
Post-weld Inspection: Necessary non-destructive testing and pressure testing
We employ multiple protection measures:
Monitorowanie temperatury: Strictly control temperature during welding process
Shielding Gas: Use inert gas to protect sealing surfaces
Process Optimization: Develop specialized welding procedure specifications
Quality Verification: Post-weld sealing performance test verification
Our Butt Welding Butterfly Valves support a complete certification system including CE, ISO 9001, API 609, ABS (American Bureau of Shipping), BV (Bureau Veritas), CCS (China Classification Society), and special certifications such as nuclear grade.
Special considerations for maintenance and replacement include:
Cutting Location: Need to reserve sufficient cutting allowance
Re-welding Quality: Ensure reliability of re-welding
System Shutdown: Requires complete system shutdown for replacement
Professional Team: Requires professional welding and installation team
We provide deep customization services including special wall thickness designs, nuclear-grade materials, radiation-resistant sealing materials, ultra-high temperature structural designs, and special models suitable for extreme temperatures from -196°C to +800°C.