Katup Gerbang
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Design Standard BS 5352 / API 602 / ASME B16.34
Nominal Size DN50 (2 inch)
Pressure Class PN16 (Equivalent to Class 150 LB)
Structure Type OS&Y (Outside Screw and Yoke), Bolted Bonnet
Connection Type Welded Flange
Operation Handwheel
Body Material ASTM A105N (Forged Carbon Steel, suitable for NACE MR0175)
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Nominal Size DN65 (2½”)
Pressure Rating PN16
End Connection Flanged Ends
Flange Standard DIN EN 1092-2 (PN16, 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
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Nominal Size DN100 (4″)
Pressure Rating PN16
End Connection Flanged Ends
Flange Standard BS EN 1092-2 (PN16, Ductile Iron, Flat Face / Raised Face)
Face-to-Face Dimension BS EN 558 Series 1 (or BS 5163)
Design & Manufacture Standard BS 5163 / BS EN 1171
Test & Inspection Standard BS EN 12266-1
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Nominal Size DN150 (6″)
Pressure Rating PN16
End Connection Flanged Ends
Flange Standard BS EN 1092-2 (or BS 4504, PN16, Ductile Iron Flanges, Flat Face / Raised Face)
Face-to-Face Dimension BS5163 / BS EN 558 Series 1 (310 mm)
Design & Manufacture Standard BS5163 (Gate valves for water supply purposes)
Test & Inspection Standard BS EN 12266-1
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Nominal Size DN150 (6″)
Pressure Rating PN25
End Connection Flanged Ends
Flange Standard EN 1092-2 (Ductile Iron Flanges, Flat Face / Raised Face)
Face-to-Face Dimension EN 558 Series 1 (or DIN 3202 F4)
Design & Manufacture Standard EN 1171
Test & Inspection Standard EN 12266-1
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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: Handwheel (Manual)
• Visual Indication: Rising Stem (stem position shows open/closed status)
• 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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Design Standard API 602 / ASME B16.34
Nominal Size 2 inch (DN50)
Pressure Class Class 1500 LB (PN250)
Bonnet Type OS&Y (Outside Screw and Yoke)
Connection Type Welding Ends (Socket Weld SW / Butt Weld BW)
Operation Handwheel
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Design Standard API 602 / ASME B16.34 / BS 5352
Face-to-Face Dimension ASME B16.10
End Connections Flanged (RF) per ASME B16.5 / Threaded NPT per ASME B1.20.1 / Socket Weld per ASME B16.11
Pressure Rating Class 150 (PN 20)
Pressure-Temperature Rating ASME B16.34
Inspection & Testing API 598 / ISO 5208
Marking MSS SP-25
Structure Type Bolted Bonnet / OS&Y (Outside Screw and Yoke)
Bonnet Design Bolted Bonnet with Spiral Wound Gasket
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Product Name: Cryogenic Bellows Seal Gate Valve
Connection: Flanged Ends (ASME B16.5)
Nominal Size: 1.5 inches (DN40)
Pressure Rating: Class 300 LB
Body Material: Stainless Steel (CF8 / CF8M / CF3M)
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Size 1/2 inch (DN15)
Pressure Class 2000 PSI (Class 2000)
Working Pressure 2000 PSI @ 100°F (approx. 138 bar @ 38°C)
Temperature Range -29°C to 425°C (-20°F to 800°F) * (Dependent on sealing material)*
Connection Ends NPT Threads (ASME B1.20.1) / Socket Weld (SW) (ASME B16.11)
Operation Handwheel
Stem Type OS&Y (Outside Screw and Yoke) or Non-rising Stem
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Size 3 inches (DN 80)
Pressure Class Class 2500 (PN 420)
Body Material Forged Steel A105 (CS) / F304/F316 (SS) / F22 (Alloy) User specified
Manufacturing Process Open Die Forged / Hammer Forged
Design Standard API 602, ASME B16.34
End Connection Standard ASME B16.25 (Butt-weld ends)
Face to Face Standard ASME B16.10 (BW ends)
Test & Inspection Std. API 598
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Nominal Size 1 inch (DN 25) per valve; assembly size based on common inlet/outlet
Pressure Class Class 2500LB (equivalent to PN 420 bar)
End Connections Butt Weld (BW) – inlet and outlet ends
Configuration Two gate valves welded body-to-body
Structure Type Outside Screw & Yoke (OS&Y), solid wedge or flexible wedge (per service)
Operation Each valve independently operated (handwheels or gear operators as required)
Katup gerbang adalah jenis katup yang digunakan untuk menghentikan atau membiarkan aliran sepenuhnya dalam pipa dengan menaikkan atau menurunkan penghalang padat (gerbang) ke jalur fluida. Katup ini terutama dirancang untuk kontrol on/off, alih-alih pengaturan aliran. Ketika katup terbuka penuh, gerbang terangkat sepenuhnya, memungkinkan aliran tanpa hambatan dengan penurunan tekanan minimal. Ketika tertutup, gerbang tertutup rapat untuk menghentikan aliran sepenuhnya. Katup gerbang paling efektif dalam sistem di mana katup tetap terbuka penuh atau tertutup penuh untuk waktu yang lama. Katup ini tidak ideal untuk tujuan pelambatan karena gerbang yang terbuka sebagian dapat bergetar, menyebabkan keausan dan berpotensi merusak katup. Katup ini banyak digunakan dalam sistem pasokan air, pipa minyak dan gas, dan aplikasi industri karena konstruksinya yang kokoh dan kemampuannya untuk menangani tekanan dan suhu tinggi. Material yang umum digunakan meliputi besi cor, baja tahan karat, dan kuningan, dengan pilihan yang disesuaikan dengan media dan lingkungan tertentu. Katup gerbang dikenal karena daya tahannya, penyegelannya yang rapat, dan masa pakainya yang panjang, menjadikannya pilihan yang disukai dalam banyak aplikasi tugas berat.
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