Zawory kulowe
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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
Zawór kulowy to rodzaj zaworu ćwierćobrotowego, który reguluje przepływ za pomocą pustej, perforowanej i obrotowej kuli wewnątrz korpusu zaworu. Gdy otwór kuli jest wyrównany z rurociągiem, ciecz przepływa swobodnie; po obróceniu o 90 stopni przepływ jest całkowicie zablokowany. Ten prosty mechanizm sprawia, że zawory kulowe są niezwykle niezawodne w zastosowaniach odcinających i sterujących. Zawory kulowe znane są ze swojej szczelności, trwałości i łatwości obsługi. Mogą pracować w warunkach wysokiego ciśnienia i temperatury i nadają się do gazów, cieczy, a nawet mediów korozyjnych, w zależności od użytych materiałów. Dzięki minimalnemu spadkowi ciśnienia i szybkiemu sterowaniu, zawory kulowe są szeroko stosowane w przemyśle naftowym i gazowym, uzdatnianiu wody, przetwórstwie chemicznym i ogólnej hydraulice. Występują w różnych typach, takich jak dwudrogowe, trójdrogowe, pływające i mocowane na czopie, i mogą być obsługiwane ręcznie, pneumatycznie lub elektrycznie.
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