Van cổng
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Size 1 inch (DN25)
Pressure Class Class 600 LB (PN100 / 1480 PSI)
Body Material Carbon Steel (ASTM A105) / Stainless Steel (A182 F304/F316) User specified
Jacket Material Carbon Steel / Stainless Steel (same as body or separate)
Manufacturing Process Forged Steel (Close Die Forged)
Design Standard API 602 / ASME B16.34 / MSS SP-145
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Nominal Size 3/4 inch (DN 20)
Pressure Class Class 800LB (equivalent to PN 140 ~ 160 bar, depending on standard)
End Connection Socket Weld (SW)
Structure Type Outside Screw & Yoke (OS&Y) / Solid Wedge
Stem Sealing Bellows seal + auxiliary graphite packing
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Valve Type Non-Rising Stem Gate Valve (Inside Screw)
Body Material Cast Iron (ASTM A126 Class B / EN-GJL-250)
Seat Material Bronze (Integral or renewable)
Stem Material Brass (C36000 / C37700)
End Connection Threaded (Female NPT per ASME B1.20.1)
Operation Handwheel
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Nominal Size 1/2″ (DN15)
Pressure Rating Class 300 (PN 50)
Valve Type Gate Valve – Rising Stem, Solid Wedge
Body Construction Close Die Forged, Bolted Bonnet
End Connections NPT Female (ASME B1.20.1) / Socket Weld (ASME B16.11) / Flanged (ASME B16.5 Class 300) as specified
Temperature Range –29°C ~ +250°C (depending on packing)
Suitable Media Seawater, sour gas (H₂S/CO₂), chlorides, acids, high pressure oil & gas, chemical fluids
Flow Direction Bidirectional
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Product Name Forged Gate Valve, Bolted Bonnet, Outside Screw & Yoke (OS&Y)
Nominal Size 2″ (DN50)
Pressure Rating Class 2500 (42 MPa / 6090 psi)
Connection Type Ring Type Joint (RTJ) – Raised Face not applicable
Flange Standard ASME B16.5 (RTJ groove per ASME B16.20)
Design Standard ASME B16.34 / API 602 (for forged small bore gate valves)
Face-to-Face Dimension ASME B16.10 – 216 mm (8.50″) for Class 2500
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Valve Type Gate Valve (OS&Y, Rising Stem)
Nominal Size 2 inches (DN50)
Pressure Rating Class 1500
Connection Type Socket Weld (SW) Ends
Special Design Bellows Seal (Hermetic stem sealing)
Body / Bonnet Material ASTM A182 F91 (Chrome-Moly-Vanadium Alloy Steel)
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Nominal Size 2 inches (DN50)
Pressure Rating Class 300
Connection Type Socket Weld (SW) Ends
Special Design Bellow Seal (Bellows Sealed)
Body / Bonnet Material ASTM A182 F316L (Forged Stainless Steel, Low Carbon)
Operation Handwheel (Manual) / Gearbox optional
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• Type: Outside Screw and Yoke (OS&Y), Solid Wedge, Flanged Ends
• Design Standard: DIN 3352
• Face-to-Face Standard: DIN 3202 F4
• Seat Type: Metal-to-Metal (Bronze Seated)
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ẢNH HIỂN THỊ THÔNG SỐ KỸ THUẬT NHƯ DƯỚI ĐÂY
KÍCH THƯỚC: 2″
ĐÁNH GIÁ: 150LB
THÂN VÀ NẮP XE: C95500
ĐĨA: C95500 RẮN
GỐC: MONEL K500
YÊN XE: MONEL K500
TRUYỀN ĐỘNG: BÁNH XE
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ẢNH HIỂN THỊ THÔNG SỐ KỸ THUẬT NHƯ DƯỚI ĐÂY
KÍCH THƯỚC: DN15
ĐÁNH GIÁ: PN16
THÂN VÀ MŨI XE: ĐỒNG THAU
ĐĨA: ĐỒNG THAU
THÂN: ĐỒNG THAU
GHẾ: ĐỒNG THAU
TRUYỀN ĐỘNG: BÁNH XE
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ẢNH HIỂN THỊ THÔNG SỐ KỸ THUẬT NHƯ DƯỚI ĐÂY
KÍCH THƯỚC: 2″
ĐÁNH GIÁ: 150LB
THÂN VÀ NẮP XE: B62
ĐĨA: B62, RẮN
GỐC: ASTM A182 F316
GHẾ: B62
TRUYỀN ĐỘNG: BÁNH XE
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Kích thước: 3" (DN80)
Xếp hạng áp suất: 150LB (PN20)
Tài liệu chính:
Thân/Nắp ca-pô/Đĩa/Thân: ASTM B148 C95800 (Hợp kim đồng niken-nhôm)
Ghế: Kim loại-với-kim loại tích hợp
Thiết kế & Vận hành:
Hoạt động: Quay tay
Kết nối cuối: Mặt bích RF (Mặt nhô lên)
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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