วาล์วประตู
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ขนาด: DN65 (2½")
ระดับแรงดัน: PN250 (คลาส 1500)
วัสดุหลัก:
ตัวถังและฝากระโปรง: ASTM A182 F11 (เหล็กโครเมียม-โมลิบดีนัม 1¼Cr-½Mo)
ลิ่ม: ASTM A182 F11 + 13Cr Hardfacing (เพิ่มความต้านทานการสึกหรอ)
ก้าน: ASTM A182 F6a (สแตนเลสมาร์เทนซิติก)
เบาะนั่ง: Stellite 6 Hardfaced (ทนทานต่อการสึกกร่อนและการขีดข่วนได้ดีเยี่ยม)
การทำงาน: พวงมาลัย (การสั่งงานด้วยมือ)
การเชื่อมต่อปลาย: Butt-Weld (BW) ตามมาตรฐาน ASME B16.25
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Design Standard API 6D
Pressure Test Standard API 6D, API 598
Fire Safe Standard API 6FA, API 607
Size Range DN25 ~ 1500 mm (NPS 1″ ~ 60″)
Pressure Rating CL150 ~ 2500 (PN1.6 ~ 42.0 MPa)
Temperature Range -196°C ~ +650°C
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Valve Type Resilient Seated Gate Valve
Stem Type Non-Rising Stem (NRS)
End Connection Flanged, Raised Face (RF) / Flat Face (FF)
Nominal Size NPS 2″ – 12″ (DN50 – DN300)
Pressure Rating Class 125 / Class 150
Body Material Ductile Iron / Cast Iron
Operation Handwheel / T-Key / Bevel Gear
Service Medium Water / Oil / Gas / General Purpose
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Valve Type Flexible Wedge Gate Valve
Size Range ¼” to 4″ (DN8 to DN100)
Pressure Class 150LB · 300LB · 600LB · 900LB · 1500LB
End Connections Socket Weld (SW) · NPT · Raised Face Flange (RF)
Body/Bonnet ASTM A105 Forged Carbon Steel
Trim Package F6a Hardfaced
Gate Disc A105 + Stellite 6
Stem ASTM A182 F6a (13Cr SS)
Seats Integral Stellite 6 overlay
Gasket Spiral Wound SS316/Graphite
Operation Handwheel (Standard) · Gear Operator (Opt)
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Valve Type Resilient Seated Gate Valve
Stem Type Non-Rising Stem (NRS)
End Connection Flanged, Raised Face (RF) / Flat Face (FF)
Nominal Size DN50 – DN600 (2″ – 24″)
Pressure Rating PN10 / PN16 / PN25
Body Material Ductile Iron / Cast Iron
Operation Handwheel / T-Key / Bevel Gear
Service Medium Water / Oil / Gas / General Purpose
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• Type: Gate Valve (Solid Wedge or Parallel Slide)
• Operation: Manual (Handwheel)
• Design Standard:
o Flanged: API 602 / ASME B16.34 / MSS SP-80
o Threaded: ASME B1.20.1 (NPT) / BS 21 (BSP) / MSS SP-80
• Pressure Rating: ASME 150 LB (PN 20)
• Body/Bonnet: Bolted Bonnet (BB)
• Stem Operation: Outside Screw & Yoke (OS&Y)
• Seat Design: Renewable Seat Rings (RS)
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Valve Type Bolted Bonnet, Outside Screw and Yoke (OS&Y), Rising Stem Gate Valve
Nominal Size (NPS) 2″ ~ 24″ (DN50 ~ DN600)
Pressure Class Class 150 / Class 300 / Class 600
Structure Style Rising Stem, Solid Wedge / Flexible Wedge
Connection Type Flanged Ends (ASME B16.5 RF / RTJ)
Temperature Range -29°C ~ +425°C (-20°F ~ +800°F) for Carbon Steel
Applicable Media Water, Steam, Oil, Natural Gas, Corrosive Fluids
Design Standard API 600 (Steel Gate Valves)
Face-to-Face Dimension ASME B16.10
Pressure Testing API 598
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Valve Type Resilient Seated Gate Valve
Stem Type Non-Rising Stem (NRS)
End Connection Flanged, Raised Face (RF) / Flat Face (FF)
Nominal Size DN50 – DN600 (2″ – 24″)
Pressure Rating PN10 / PN16 / PN25
Body Material Ductile Iron / Cast Iron
Operation Handwheel / T-Key / Bevel Gear
Service Medium Water / Oil / Gas / General Purpose
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Valve Type Bronze Seated Gate Valve (Metal Seated)
Stem Type Non-Rising Stem (NRS)
Seat/Sealing Surface Bronze / Aluminum Bronze
End Connection Flanged, Raised Face (RF)
Nominal Size DN40 – DN600 (1½” – 24″)
Pressure Rating PN10 / PN16 / PN25 / PN40
Body Material Ductile Iron / Cast Iron / Bronze
Operation Handwheel / T-Key / Bevel Gear / Electric Actuator
Service Medium Water / Steam / Oil / Gas / Seawater / General Purpose
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Product Name: DIN Standard Metal-Seated Rising Stem Gate Valve
Valve Type: Rising Stem Gate Valve
Seat/Seal Type: Metal Seated (Hard-Faced)
Design Standard: DIN 3352
Face-to-Face Dimension: DIN 3202 F4 / EN 558-1 Series 14 (Short Pattern)
Flange Standard: DIN EN 1092-2 (Cast Iron) / DIN EN 1092-1 (Steel)
Testing Standard: DIN 3230 / EN 12266
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Valve Type Non-Rising Stem (Dark Rod) Resilient Seated Gate Valve
Design Standard DIN 3352
Face-to-Face DIN 3202 F5 (Short pattern) / F4 (Long pattern)
Flange Standard EN 1092-2 / DIN 2501 / DIN 2533
Inspection & Test DIN 3230 / EN 12266-1
Pressure Rating PN10 / PN16 / PN25
Size Range DN40 – DN600 (1½” – 24″)
Temperature Range -10°C to +80°C (Standard EPDM) / Up to +120°C (Special compounds)
End Connection Flanged (Double flanged)
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Valve Type Non-Rising Stem (Dark Rod) Resilient Seated Gate Valve
Design Standard DIN 3352
Face-to-Face DIN 3202 F5 (Short pattern) / F4 (Long pattern)
Flange Standard EN 1092-2 / DIN 2501 / DIN 2533
Inspection & Test DIN 3230 / EN 12266-1
Pressure Rating PN10 / PN16 / PN25
Size Range DN40 – DN600 (1½” – 24″)
Temperature Range -10°C to +80°C (Standard EPDM) / Up to +120°C (Special compounds)
End Connection Flanged (Double flanged)
A gate valve is a type of valve used to completely stop or allow flow in a pipeline by raising or lowering a solid barrier (the gate) into the path of the fluid. It is primarily designed for on/off control rather than flow regulation. When the valve is fully open, the gate is entirely lifted, allowing unobstructed flow with minimal pressure drop. When closed, the gate seals tightly to stop flow entirely. Gate valves are most effective in systems where the valve remains either fully open or fully closed for extended periods. They are not ideal for throttling purposes because the partially open gate can vibrate, causing wear and potentially damaging the valve. These valves are widely used in water supply systems, oil and gas pipelines, and industrial applications due to their robust construction and ability to handle high pressures and temperatures. Common materials include cast iron, stainless steel, and brass, with options tailored to specific media and environments. Gate valves are known for their durability, tight sealing, and long service life, making them a preferred choice in many heavy-duty applications.
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