صمامات الكرة
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Product Name Stainless Steel Flanged Floating Ball Valve
Nominal Size 3″ (DN80)
Pressure Rating Class 150LB
Body Material 304 Stainless Steel (ASTM A351 CF8 / SS304)
End Connection Flanged
Construction Floating ball, two-piece / side-entry
Bore Type Full bore (full port)
Seat Seal Type Soft seated (PTFE / RPTFE / PPL)
Fire Safe Design Optional, to API 607
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Nominal Diameter (DN) DN50 ~ DN1200 (NPS 2″ ~ 48″)
Nominal Pressure (PN) PN16 ~ PN420 (Class 150 ~ Class 2500)
ASME Class 150, 300, 600, 900, 1500, 2500
Connection Type Flanged (RF/RTJ), Butt weld
Ball Rotation 0° ~ 90° (adjustable)
Flow Characteristic Approx. equal percentage / linear
Rangeability 250:1 ~ 300:1
Seat Leakage (Soft) Zero / Class VI
Seat Leakage (Metal) Class IV ~ V (optional Class VI for metal)
Operating Torque 30% ~ 50% lower than floating ball design
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Valve Type Trunnion Mounted Ball Valve
Nominal Size 20 Inch (DN500)
Pressure Rating Class 600 LB (PN100)
Body Construction 3-Piece Body
Body Entry Type Side Entry
Body Material Forged Steel ASTM A105N (standard); A350 LF2 / A182 F316 optional
Flange Connection RF (Raised Face) to ASME B16.5 Class 600
Operation Manual gear operator (standard); electric or pneumatic actuator (optional)
Application Large bore, high pressure pipelines in oil, gas, chemical, and other demanding services requiring high reliability and tight shut-off
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Valve Type 2-Piece Floating Ball Valve
Nominal Size DN100 (4 Inch)
Pressure Rating PN16 (16 bar)
Body Material Stainless Steel CF8 (ASTM A351 Gr. CF8 / 304)
Body Construction 2-Piece Body, Side Entry
Flange Connection RF (Raised Face) to EN 1092-1 PN16 or ASME B16.5 Class 150
Operation Lever / Gear operator / Pneumatic / Electric (optional)
Application Suitable for water, oil, gas, mild corrosive media; pipelines requiring low flow resistance and tight shut-off
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Valve Type 2-Piece Floating Ball Valve
Nominal Size DN100 (4 Inch)
Pressure Rating PN16 (16 bar)
Body Construction 2-Piece Body
Body Material Stainless Steel (CF8M / 316) as standard; carbon steel optional
Flange Connection RF (Raised Face) to EN 1092-1 PN16 or ASME B16.5 Class 150
Operation Motorized Actuator
Application Frequent on-off or remote control service; suitable for water, oil, gas, mild corrosive media
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Design Standard API 6A / ISO 10423 (21st Edition)
Size Range 1/2″ to 4″ (larger sizes limited by floating principle)
Pressure Class 2,000 psi to 10,000 psi (data sheet focus: 10,000 psi)
Temperature Class Class K (-60°C to +82°C) to Class U/V (up to +180°C)
Product Specification Level (PSL) PSL 1, PSL 2, PSL 3, PSL 3G (typical: PSL 3G)
Performance Requirement (PR) PR 1 (standard) / PR 2 (high cycle)
Material Class AA, BB, CC, DD, EE, FF, HH (sour service: FF)
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Nominal Size NPS 2″ (DN50)
Pressure Rating ASME Class 600 LB (PN100)
End Connection Raised Face Flange (RF) / Butt Weld (BW)
Operation Type Lever / Wrench / Gearbox / Pneumatic Actuator / Electric Actuator
Design & Manufacture Standard API 6D, ASME B16.34, ISO 17292
Face-to-Face Dimension ASME B16.10, API 6D
Flange Dimension ASME B16.5 (NPS ≤ 24″)
Butt Weld End ASME B16.25
Wall Thickness ASME B16.34
Pressure Testing API 6D, API 598, ISO 5208
Fire Safe Design API 607, API 6FA, ISO 10497
Anti-Static Device Yes (BS 5353 / ISO 17292)
Fugitive Emission ISO 15848-1 (Optional)
NACE Compliance NACE MR0175 / ISO 15156 (Optional)
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Flow Path Design Ball core with two internal passages arranged in X-shape; four channels arranged on equatorial circumferential section of the sphere
Operation 90° rotation switches flow direction between two media simultaneously
Port Configuration L-port, Double L-port (X-port), or T-port available
Shut-off Bidirectional bubble-tight sealing
Stem Design Anti-blowout stem with double O-ring seals for added protection
Actuator Mounting ISO 5211 direct mounting
Manual Override Built-in manual override mechanism for operation during power interruption
Maintenance Compact design with reduced maintenance requirements
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Valve Type 3 way multiport ball valve (L port or T port)
Port Configuration L port (diversion / 2 position switching) or T port (mixing / blending / full bypass)
Operation 90° or 180° rotation (depending on port design) achieves flow path change
Shut off Bidirectional bubble tight sealing (zero leakage)
Stem Design Anti blowout stem with double O ring seals
Actuator Mounting ISO 5211 direct mounting interface
Manual Override Built in manual override (handwheel or hexagon) for emergency operation
Maintenance Low maintenance; PTFE seats and seals offer long cycle life
صمام الكرة هو نوع من صمامات ربع دورة يتحكم في التدفق باستخدام كرة مجوفة مثقبة ومحورية داخل جسم الصمام. عندما يكون ثقب الكرة محاذيًا لخط الأنابيب، يتدفق السائل بحرية؛ وعند تدويره 90 درجة، يُمنع التدفق تمامًا. هذه الآلية البسيطة تجعل صمامات الكرة موثوقة للغاية لتطبيقات الإغلاق والتحكم. تشتهر صمامات الكرة بأدائها المحكم في الغلق، ومتانتها، وسهولة تشغيلها. يمكنها التعامل مع ظروف الضغط ودرجة الحرارة العالية، وهي مناسبة للغازات والسوائل، وحتى الوسائط المسببة للتآكل، حسب المواد المستخدمة. بفضل انخفاض الضغط البسيط والتحكم السريع في التشغيل والإيقاف، تُستخدم صمامات الكرة على نطاق واسع في صناعات مثل النفط والغاز، ومعالجة المياه، والمعالجة الكيميائية، والسباكة العامة. تتوفر بأنواع مختلفة مثل ثنائية الاتجاه، وثلاثية الاتجاه، وعائمة، ومثبتة على محور، ويمكن تشغيلها يدويًا أو هوائيًا أو كهربائيًا.
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