게이트 밸브
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1. Valve Type: Parallel Slide Gate Valve (Double Disc Non-Wedging)
2. Design Standard: API 600 / ASME B16.34
3. Size: 14 Inch (NPS 14)
4. Pressure Class: ASME Class 1500 (1500 LB)
5. Body & Bonnet Material: ASTM A182 F91 (9Cr-1Mo-V Forged Steel)
6. Bonnet Type: Pressure Seal (Self-Sealing) Bonnet
7. End Connection: Butt Weld (BW) per ASME B16.25
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• 크기: 3인치
• 등급: 125LB
• 재료: 본체 및 보닛 및 웨지 ASTM A126 GR.B
• 음성 410SS
• U볼트 탄소강
• 조작자: 핸드휠
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Design & Manufacturing Standards API Specification 6A, NACE MR0175/ISO 15156
Nominal Bore Size 1-13/16″ to 7-1/16″
Pressure Rating (PR) 2,000 PSI to 15,000 PSI
Material Class AA to HH (As per API 6A)
Temperature Class K to U (As per API 6A)
Product Specification Level (PSL) PSL 1, PSL 2, PSL 3
Performance Requirement (PR) PR 1, PR 2
Service Media Crude Oil, Water, Natural Gas, and similar wellbore fluids.
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Product Type Parallel Slide Gate Valve
Operation Handwheel (Standard). Gear Operator, Electric or Pneumatic Actuator (Optional)
Design Standard API 600 / API 6D / ASME B16.34
Face-to-Face ASME B16.10 / API 6D
End Connection Butt-Weld (BW) as per ASME B16.25
Pressure Rating Class 150, 300, 600, 900, 1500, 2500 (As specified)
Application High-Temperature & High-Pressure Services (Power Generation, Petrochemical, Pipeline)
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Product Type Parallel Slide Gate Valve
Operation Handwheel (Standard). Gear Operator, Electric or Pneumatic Actuator (Optional)
Design Standard API 600 / API 6D / ASME B16.34
Face-to-Face ASME B16.10 / API 6D
End Connection Butt-Weld (BW) as per ASME B16.25
Pressure Rating Class 150, 300, 600, 900, 1500, 2500 (As specified)
Application High-Temperature & High-Pressure Services (Power Generation, Petrochemical, Pipeline)
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Design Standard API 602 / ASME B16.34 / BS 5352
Nominal Size 3/4 inch (DN20)
Pressure Class Class 800 LB (PN130)
Structure Type OS&Y (Outside Screw and Yoke), Bolted Bonnet
Connection Type NPT Threaded (ASME B1.20.1) or Socket Weld (ASME B16.11)
Operation Handwheel
Body Material ASTM A182 F316L (Forged Austenitic Stainless Steel)
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• Product: Flanged End, Outside Screw and Yoke (OS&Y), Solid Wedge Gate Valve
• Seat Type: Bronze-to-Bronze Metal Seated (Metal-to-Metal)
• Operation: Bevel Gear Actuator with Handwheel and Mechanical Position Indicator (visual open/close indication)
• Design Standard: BS 5150 / BS 5163 (Metal-seated variant)
• Ends: Flanged to BS 4504 / EN 1092-2
• Face-to-Face: BS 2089 or EN 558-1 Series 3 (short pattern)
• Test Standard: BS 6755 / EN 12266-1
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Valve Type Rising Stem Gate Valve (OS&Y – Outside Screw and Yoke)
Nominal Size 3 inches (3″) / DN80
Pressure Class 125 LB (Class 125)
End Connection Flanged Ends
Flange Standard ASME B16.1 (Class 125 Cast Iron Flange – Raised Face / Flat Face)
Face-to-Face Dimension ASME B16.10 / MSS SP-70
Test Standard API 598 / MSS SP-70
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Nominal Size 14 inches (14″) / DN350
Pressure Class 125 LB (Class 125)
End Connection Flanged Ends
Flange Standard ASME B16.1 Class 125 (Cast Iron Flange, RF/FF)
Face-to-Face Dimension MSS SP-70 / ASME B16.10
Design & Manufacture Standard MSS SP-70
Test & Inspection Standard API 598
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Design Standard API 602 / ASME B16.34 / BS 5352
Nominal Size 1/2 inch (DN15)
Pressure Class Class 800 LB (PN130)
Structure Type OS&Y (Outside Screw and Yoke), Bolted Bonnet
Connection Type NPT Threaded (ASME B1.20.1) or Socket Weld (ASME B16.11)
Operation Handwheel
Body Material ASTM A105N (Forged Carbon Steel, Normalized, suitable for NACE MR0175)
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Size 2 inches (DN 50)
Pressure Class Class 300 LB (PN 50)
Body Material Stainless Steel (ASTM A182 F304 / F316 / F316L)
Manufacturing Process Forged / Cast (depending on manufacturer)
Design Standard API 602 / ASME B16.34
End Connection Standard ASME B16.5 (Flanged RF/RTJ), ASME B16.25 (BW), ASME B16.11 (SW)
Face to Face Standard ASME B16.10
Test & Inspection Std. API 598
Emission Compliance ISO 15848-1 / TA-Luft (optional)
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Nominal Size DN80 – DN600 (as required)
Pressure Rating PN10 / PN16 / PN25 (as required)
End Connection Flanged Ends
Flange Standard DIN EN 1092-2 (Ductile Iron Flanges, Flat/Raised Face)
Face-to-Face Dimension DIN 3202 F4 / DIN EN 558 Series 14
Design & Manufacture Standard DIN3352 (Part 4 / Type F4)
Test & Inspection Standard DIN EN 12266-1
게이트 밸브는 파이프라인의 유체 흐름을 완전히 차단하거나 허용하는 밸브 유형입니다. 유량 조절보다는 개폐 제어용으로 주로 설계되었습니다. 밸브가 완전히 열리면 게이트가 완전히 들어 올려져 압력 강하를 최소화하면서 원활한 흐름을 보장합니다. 닫히면 게이트가 완전히 밀폐되어 흐름을 완전히 차단합니다. 게이트 밸브는 밸브가 장시간 완전히 열리거나 완전히 닫힌 상태로 유지되는 시스템에서 가장 효과적입니다. 부분적으로 열린 게이트가 진동하여 마모를 유발하고 밸브를 손상시킬 수 있으므로, 유량 조절용으로는 적합하지 않습니다. 게이트 밸브는 견고한 구조와 높은 압력 및 고온을 견딜 수 있는 능력 덕분에 급수 시스템, 석유 및 가스 파이프라인, 산업 분야에서 널리 사용됩니다. 일반적인 재질로는 주철, 스테인리스강, 황동 등이 있으며, 특정 매체 및 환경에 맞는 맞춤형 옵션이 제공됩니다. 게이트 밸브는 내구성, 견고한 밀폐성, 긴 수명으로 유명하여 많은 중장비 응용 분야에서 선호됩니다.
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