Vlinderklep met stomplasmechanisme
Nominale diameter: 2”-200” (DN50-DN5000)
Nominale druk: Klasse 150-Klasse 2500 (1,0 MPa-250 MPa)
Maximale bedrijfstemperatuur: 425°C
Schelpmateriaal:WCB,WCC,A105,F304,F316,F316L,N06625,CF8, CF3, CF3M, CW6MC, CY40, M35-1,Inconel 718,N10276,CF8M,Monel K500
Ontwerpnormen: API 609, AWWA V504, GB/T 12238, EN 593, DIN 3354, JIS B2034
Connection method: Lassen
RijmodusHandmatig, elektrisch, pneumatisch, hydraulisch
Vlinderklep met stomplasmechanisme
Productdefinitie en veiligheidsmissie:
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°
- Producttechnische analyse
- Actuatorsysteem
- Smeed-/giettechnologie
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.
Nauwkeurige controle onder alle bedrijfsomstandigheden, wat resulteert in een perfecte en veelzijdige aandrijfoplossing die voldoet aan verschillende automatiseringsbehoeften.
Kernontwerp:
▌Elektrische intelligente besturing → Intelligente positioneringsmodule (IEC 60534) | Regelnauwkeurigheid ±0,5°
▌ Pneumatische snelaandrijving → Dubbelwerkende cilinderconstructie | Reactietijd ≤ 2s
▌ Elektrohydraulisch koppelingssysteem → High-torque hydraulic drive | Output torque ≥ 60000 N·m
▌ Handmatige precisieregeling → Worm gear drive (ISO 5211) | Operating torque ≤100 N·m
Geavanceerde vormprocessen garanderen superieure productprestaties, structurele integriteit en een betrouwbare werking op lange termijn.
Kernontwerp:
▌ Integral Forged Valve Body → Forged (ASTM A350 LF2) | Grain Size ≥ Grade 6
▌Precisiegietproces → Investment Casting Technology (ASTM A351) | Surface Quality Ra≤3.2μm
▌Post-weld heat treatment → Relieve welding stress | Residual stress ≤ 15% of yield strength
▌Garantie van niet-destructief onderzoek → 100% röntgenonderzoek (ASTM E94) | Defectpercentage ≤0,01%
Kernontwerp en voordelen
- 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.
- Nauwkeurige aansturing en besturing: 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
- Intelligente integratie van bediening en onderhoud: 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.
Overige producten
Veelgestelde vragenVlinderklep met stomplasmechanisme
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:
Structurele integriteit: Forms permanent connection with pipeline, eliminating leakage points
Ruimtebesparend: 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
De volgende belangrijke parameters moeten tijdens de selectie worden bevestigd:
Lasnormen: Pipeline specifications and welding process requirements
Druktemperatuur: Ontwerpdruk en bedrijfstemperatuurbereik
Mediumkenmerken: Medium corrosiveness, particulate content, etc.
Materiaalafstemming: Compatibility between body material and pipeline material
End Preparation: Groove type and welding end preparation requirements
Tijdens de installatie moet u op het volgende letten:
Welding Process: Use qualified welding procedures and certified welders
Uitlijningsnauwkeurigheid: 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:
Temperatuurbewaking: Strictly control temperature during welding process
Shielding Gas: Use inert gas to protect sealing surfaces
Process Optimization: Develop specialized welding procedure specifications
Kwaliteitscontrole: 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.
Bij onderhoud en vervanging moet rekening worden gehouden met de volgende specifieke aandachtspunten:
Snijlocatie: 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.

