Injap Pintu
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Saiz: DN65 (2½")
Penilaian Tekanan: PN250 (Kelas 1500)
Bahan Utama:
Badan & Bonet: ASTM A182 F11 (Keluli Chrome-Moly Dipalsukan, 1¼Cr-½Mo)
Baji: ASTM A182 F11 + 13Cr Hardfacing (Ketahanan Haus Dipertingkat)
Batang: ASTM A182 F6a (Keluli Tahan Karat Martensitik)
Tempat Duduk: Stellite 6 Bermuka Keras (Hakisan Unggul & Rintangan Hempedu)
Operasi: Handwheel (Penggerakan Manual)
Sambungan Tamat: Kimpalan Butt (BW) setiap 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)
Injap pintu ialah sejenis injap yang digunakan untuk menghentikan sepenuhnya atau membenarkan aliran dalam saluran paip dengan menaikkan atau menurunkan penghalang pepejal (pintu gerbang) ke dalam laluan bendalir. Ia direka terutamanya untuk kawalan hidup/mati dan bukannya peraturan aliran. Apabila injap terbuka sepenuhnya, pintu pagar terangkat sepenuhnya, membenarkan aliran tanpa halangan dengan penurunan tekanan yang minimum. Apabila ditutup, pintu pagar ditutup rapat untuk menghentikan aliran sepenuhnya. Injap pintu adalah paling berkesan dalam sistem di mana injap kekal sama ada terbuka sepenuhnya atau tertutup sepenuhnya untuk tempoh yang lama. Ia tidak sesuai untuk tujuan pendikitan kerana pintu separa terbuka boleh bergetar, menyebabkan haus dan berpotensi merosakkan injap. Injap ini digunakan secara meluas dalam sistem bekalan air, saluran paip minyak dan gas, dan aplikasi perindustrian kerana pembinaannya yang teguh dan keupayaan untuk mengendalikan tekanan dan suhu tinggi. Bahan biasa termasuk besi tuang, keluli tahan karat dan loyang, dengan pilihan yang disesuaikan dengan media dan persekitaran tertentu. Injap pintu terkenal dengan ketahanannya, pengedap yang ketat dan hayat perkhidmatan yang panjang, menjadikannya pilihan utama dalam banyak aplikasi tugas berat.
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