شیر پروانهای مرکزی
قطر اسمی：2"-200"(DN50-DN5000)
فشار اسمیکلاس ۱۵۰-کلاس ۲۵۰۰ (۱.۰ مگاپاسکال-۲۵۰ مگاپاسکال)
حداکثر دمای عملیاتی۴۲۵ درجه سانتیگراد
جنس پوسته： دبلیو سی بی , شورای جهانی کشتی (WCC) , M35-1, A105 , N06625 , اینکونل ۷۱۸ ,F304 , F316 , F316L , CF8, CF3, CF3M, CW6MC, CY40, N10276 , سیاف۸ام , مونل K500
استانداردهای طراحی:API 609، AWWA V504، GB/T 12238، EN 593، DIN 3354، JIS B2034
اتصال：Clamping, Flange
حالت رانندگی： دستی، برقی، پنوماتیک، هیدرولیک
شیر پروانهای مرکزی
تعریف محصول و ماموریت ایمنی:
The Centerline Butterfly Valve is a fundamental piece of equipment in the field of industrial fluid control. Its unique design, with the stem, disc, and body all aligned in a single center, provides economical and reliable shut-off in low-pressure, normal-temperature conditions. Thanks to its minimalist structure and efficient flow capacity, this centerline butterfly valve has become the preferred solution for general industrial applications such as building water supply and drainage, and HVAC systems, redefining the value standard of basic valves with its exceptional cost-effectiveness.
JH Centerline Butterfly Technology Gene
- Centerline symmetrical structure: Three-in-one coaxial design | Torque transmission efficiency ≥95%
- Multifunctional sealing system: Supports various elastic materials such as EPDM/NBR/VITON
- Low-pressure-drop optimized flow channel: Flow coefficient Cv value ≥ 0.9 | Energy consumption reduced by 25%
- Economical drive compatibility: Compatible with all actuator series (ISO 5211)
- تحلیل تکنیکال محصول
- General Industry
- HVAC Series
- تصفیه آب
عملکرد برترِ شیر پروانهای JH Centerline stems from a deep optimization of the traditional centerline structure: the three-in-one coaxial design ensures perfect alignment of the valve stem, disc, and body through precise manufacturing processes, fundamentally eliminating eccentric torque; the multi-functional sealing system employs precision molding technology to achieve elastic self-tightening sealing under low-pressure conditions; the low-pressure drop channel is optimized through computational fluid dynamics, significantly reducing system operating energy consumption; and the economical drive adaptation, through standardized interface design, greatly reduces the cost of automation retrofitting. This optimized system enables the centerline butterfly valve to exhibit performance exceeding traditional standards in basic applications.
Economical solutions for basic fluid control in building and municipal applications, low-pressure and normal-temperature conditions.
فرآیندهای اصلی:
▌ Zero-leakage soft seal → Two-way elastic seal design | Leakage level ≤10⁻³ mg/s·m
▌ Standardized structure → Centerline symmetrical valve body | Component commonality rate ≥90%
▌ Economical Coating → Epoxy Resin Corrosion Protection | Suitable for C2-C3 Corrosive Environments
▌ Quick Installation → Dual Option: Clamp/Flange | Installation Time Reduced by 50%
Specialized valves, circulation control systems, and temperature regulation applications optimized for HVAC and refrigeration systems.
فرآیندهای اصلی:
▌Low-Temperature Elastic Sealing → Special EPDM Material | Maintains Flexibility at -20℃
▌ Anti-condensation design → Insulated valve body structure | Prevents surface condensation
▌Low-noise flow channel → Streamlined butterfly plate | Operating noise ≤60dB
▌ Quick Adjustment → 90° Quick Opening and Closing | Adjustment Response Time ≤ 2s
Corrosion protection solutions for the water treatment industry, water supply and drainage systems, and corrosion protection applications.
فرآیندهای اصلی:
▌ Enhanced corrosion resistance → Fully lined structural design | 200% increase in corrosion resistance lifespan
▌ Zero dead zone flow channel → Mirror polishing treatment | Prevents microbial accumulation
▌ Food-grade certification → 3A/WRAS certification | Meets drinking water standards
▌ Wear-resistant seal → Enhanced sealing material | Service life ≥ 50,000 cycles
طراحی هسته و مزایا
- Centerline Symmetrical Structure: This Centerline Butterfly Valve features a three-in-one coaxial design → Torque transmission efficiency ≥95% | 80% improvement in operational smoothness
- Economical and efficient sealing: This centerline butterfly valve is equipped with a resilient self-tightening sealing system → Leakage level ≤10⁻³ mg/s·m | Service life ≥50,000 cycles
- Low pressure drop design: JHCenterline Butterfly Valve optimizes the flow profile → Flow coefficient Cv value ≥ 0.9 | System energy consumption reduced by 25%
- Quick installation and maintenance: This centerline butterfly valve adopts a standardized structural design → Parts commonality rate ≥90% | Maintenance costs reduced by 60%
- Wide Material Compatibility: This Centerline Butterfly Valve supports a variety of sealing materials → Operating temperature -20℃ to +120℃ | Meets the needs of various media.
- Intelligent Upgrade Compatibility: This centerline butterfly valve has a reserved automation interface → compatible with all actuator series | supports subsequent automation retrofitting.
سایر محصولات
سوالات متداول-شیر پروانهای مرکزی
Centerline Butterfly Valves are the most versatile type of butterfly valves, widely used in water supply and drainage systems, HVAC, fire protection systems, and general industrial pipelines for medium-low pressure applications. They are particularly suitable for controlling water, air, and other non-corrosive media, with operating temperatures typically from -20°C to +120°C and pressure ratings up to PN16.
Centerline Butterfly Valves offer the following notable features:
Symmetric Structure: Valve stem coincides with disc centerline, simple and reliable structure
مقرون به صرفه: Low manufacturing cost, excellent price-performance ratio
Good Sealing: Rubber soft seals achieve zero leakage
عملیات آسان: Low torque allows easy manual operation
تعمیر و نگهداری ساده: Straightforward structure facilitates maintenance
پارامترهای کلیدی زیر نیاز به تأیید در طول انتخاب دارند:
رتبهبندی فشار: PN6, PN10, PN16 and other pressure classes
نوع متوسط: Water, air, oil and other medium characteristics
محدوده دما: دمای قابل اجرا که توسط جنس آببند تعیین میشود
جنس بدنه: چدن، چدن داکتیل، فولاد ضد زنگ و غیره.
مواد آب بندی: EPDM, NBR, Vitón and other rubber materials
توجه ویژه در هنگام نصب شامل موارد زیر است:
الزامات جهت جریان: Most centerline valves can be installed bidirectionally, but follow body arrow indication
Flange Matching: Ensure pipeline flanges match valve flange specifications
Bolt Length: Use appropriately sized bolts, avoid excessive length or shortness
موقعیت دیسک: هنگام نصب، دیسک را کمی باز نگه دارید
رزرو فضا: Ensure unobstructed operation of handle or actuator
ما عملکرد آببندی را از طریق اقدامات متعدد تضمین میکنیم:
Rubber Sealing: Quality rubber seats ensure elastic sealing
Interference Fit: Disc and seat designed with interference fit
Integral Molding: Seats integrally molded without seams
Pressure Assistance: Medium pressure enhances sealing effect
آزمایش دقیق: هر شیر تحت آزمایشهای آببندی تحت فشار قرار میگیرد
Our Centerline Butterfly Valves support a complete certification system including CE, ISO 9001, ABS (American Bureau of Shipping), BV (Bureau Veritas), CCS (China Classification Society), and special certifications such as drinking water certification.
دلایل احتمالی عبارتند از:
Rubber Aging: Seat aging causing adhesion to disc
Impurity Accumulation: Medium impurities accumulating around stem area
استرس نصب: Pipeline stress causing valve body deformation
عملیات نامناسب: Long-term operation in partially open position
We provide flexible customization services and can customize special sizes, special sealing materials, food-grade certifications, special coating treatments, and various drive configurations according to customer needs.