صمامات الكرة
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Size 2 inches (DN50)
Pressure Class Class 1500 LB (PN250 / 3600 PSI)
Body Material Forged Carbon Steel (A105) / Forged Stainless Steel (A182 F304/F316) / Alloy Steel (F22) User specified
Manufacturing Process Forged Steel (Close Die Forged)
Design Standard ASME B16.34 / API 602 / BS 5352
End Connection Standard ASME B16.5 (Flanged RF/RTJ) / ASME B16.25 (BW)
Face to Face Standard ASME B16.10
Test & Inspection Std. API 598 / ISO 5208
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Nominal Size 1 inch (DN25)
Pressure Rating Class 600 LB (PN100)
Working Pressure Up to 1480 PSI @ 100°F (approx. 102 bar @ 38°C) *Refer to ASME B16.34 pressure-temperature chart*
Temperature Range -29°C to 425°C (-20°F to 797°F)
Bore Type Full Bore / Reduced Bore (Consult manufacturer)
Body Type Forged Steel, Bolted Bonnet
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Size 1 inch (DN25)
Pressure Class Class 150 LB (PN20 / 290 PSI)
Body Material Cast Carbon Steel (WCB) / Cast Stainless Steel (CF8/CF8M) / Forged Steel (A105/F304) User specified
Manufacturing Process Casting / Forging (depending on manufacturer)
Design Standard ASME B16.34 / BS 1873 / API 623
End Connection Standard ASME B16.5 (Flanged RF) / ASME B1.20.1 (NPT) / ASME B16.11 (SW)
Face to Face Standard ASME B16.10
Test & Inspection Std. API 598
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Nominal Size DN80
Pressure Rating PN40 (4.0 MPa / 40 bar)
End Connection Flanged, Raised Face (RF) — EN 1092 1 / ASME B16.5 or equivalent
Body Construction Globe valve, bolted bonnet, soft seated
Disc Type Plug disc or flat disc (depending on design)
Stem Type Rising stem, outside screw and yoke (OS&Y) or non rising stem (optional)
Temperature Range –29°C ~ +150°C (depending on seat/packing materials)
Applicable Media Water, oil, gas, steam, mild corrosive fluids
Flange Standard EN 1092 1 PN40 / ASME B16.5 Class 300 (customer specified)
Face to Face EN 558 Series 1 / ASME B16.10
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Size DN80 (3″)
Pressure Rating PN40 (ASME Class 300 equivalent)
Design Type Non-Rising Stem (NRS), bolted bonnet
End Connections [e.g., Raised Face (RF) Flanges to EN 1092-1 / ASME B16.5]
Applicable Media Water, steam, oil, gas, mild corrosive fluids
Temperature Range -29°C to +200°C (depending on seat and packing material)
Flow Direction Under the disc (preferred for tight shut-off)
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• Design Standard: ASME B16.34
• End Connection: RF (Raised Face) Flange per ASME B16.5
• Face-to-Face: ASME B16.10
• Flange Drilling: ASME B16.5, Series B (Standard)
• Fire Safe: API 607 / ISO 10497 (Optional)
• Fugitive Emissions: Can be designed to meet ISO 15848-1, TA-Luft standards (upon request).
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Size (Nominal) DN 50 (2″ NPS)
Pressure Rating PN 25 (Class 150)
Design Pressure Up to 25 bar @ specified temperature
Design Temperature -29°C to +200°C (-20°F to +392°F) (Standard). Extended range available.
Flow Direction Flow Under Plug (Standard) / Flow Over Plug
Operation Manual Handwheel (Standard). Gear, Pneumatic, or Electric Actuation optional.
Leakage Class Seat: ANSI/FCI 70-2 Class IV (Metal Seat) or Class VI (Soft Seat if applicable). Bellow: Zero external.
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Valve Type Y Pattern Globe Valve (Oblique Pattern, Rising Stem)
Nominal Size DN40 (1-1/2 inches)
Pressure Rating PN16 (Class 150)
Connection Type Flanged Ends with Raised Face (RF)
Special Design Bellows Seal (Hermetic stem sealing)
Body / Bonnet Material Cast Steel / Stainless Steel (Typically WCB / CF8 / CF8M, to be specified)
Operation Handwheel (Manual) / Gearbox optional
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Valve Type Y Pattern Globe Valve (Oblique Pattern, Rising Stem) with Pneumatic Actuator
Nominal Size DN40 (1-1/2 inches)
Pressure Rating PN16 (Class 150)
Connection Type Flanged Ends with Raised Face (RF)
Special Design Bellows Seal (Hermetic stem sealing)
Body / Bonnet Material Cast Steel / Stainless Steel (Typically WCB / CF8 / CF8M, to be specified)
Actuation Type Pneumatic Actuator (Spring Return / Double Acting, to be specified)
Control Type On-Off / Modulating (to be specified)
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Size DN25 (1”)
Pressure Rating PN25 (Class 150)
Design Type Bellows Seal Globe Valve
End Connections Socket Weld (SW)
Temperature Range -29°C up to +425°C (depending on bellows & packing material)
Media Steam, hot water, thermal oil, toxic gases, corrosive fluids
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Valve Type Pneumatic Globe Valve, Bolted Bonnet, Outside Screw & Yoke (OS&Y)
Body Material A105N – Forged Carbon Steel, Normalized (improved impact toughness)
Nominal Size DN25 (1”)
Pressure Rating PN25 (Class 150 equivalent; also suitable for Class 300 with design verification)
End Connection Flanged, Raised Face (RF)
Flange Standard ASME B16.5 / HG/T 20592 (or as specified)
Design Standard ASME B16.34 / API 602 (for forged small bore valves)
Face-to-Face ASME B16.10 / EN 558
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Nominal Size DN25 (1 inch)
Pressure Rating PN25 (2.5 MPa / 25 bar / Class 150 equivalent)
End Connection Flanged, Raised Face (RF)
Body Pattern Straight Through / Y pattern (optional)
Applicable Media Water, steam, oil, gas, non corrosive and mildly corrosive media
Temperature Range -10°C ~ 200°C (depending on seat and packing material)
صمام الكرة الأرضية هو صمام حركة خطية، يُستخدم بشكل أساسي لبدء وإيقاف وتنظيم تدفق السوائل في خطوط الأنابيب. يتكون هيكله الداخلي من عنصر قرصي متحرك وقاعدة حلقية ثابتة في جسم كروي الشكل، ومن هنا جاء اسم صمام "الكرة الأرضية". عند تدوير المشغل أو العجلة اليدوية، يحرك الساق السدادة لأعلى أو لأسفل، مما يُغير مسار التدفق ويوفر تحكمًا في الخنق. يوفر هذا التصميم قدرة إيقاف جيدة، وهو مناسب تمامًا للتطبيقات التي تتطلب تنظيمًا دقيقًا للتدفق. نظرًا لمسار التدفق المتعرج، تميل صمامات الكرة الأرضية إلى تحقيق انخفاضات ضغط أعلى من الأنواع الأخرى، لكنها تُعوّض ذلك بدقة تحكم ممتازة. تُستخدم غالبًا في المعالجة الكيميائية، وتوليد الطاقة، وأنظمة النفط والغاز، حيث يكون التحكم في التدفق والإغلاق المحكم أمرًا أساسيًا. تستطيع صمامات الكرة الأرضية التعامل مع سوائل متنوعة، بما في ذلك البخار والماء والنفط والغاز، وهي متوفرة بإصدارات تعمل يدويًا أو هوائيًا أو كهربائيًا. تجعلها تعدد استخداماتها وموثوقيتها خيارًا مثاليًا للأنظمة التي تتطلب تعديلًا أو تشغيلًا متكررًا.
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