Penerangan
TECHNICAL DATA SHEET
Free Forged Throttling Valve / Choke Valve
Project / Equipment: High Pressure Throttling Valve
- BASIC VALVE INFORMATION
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Item
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Spesifikasi
|
|
Jenis Injap
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Needle / Choke Type Throttling Valve (Globe pattern or Angle pattern)
|
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End Connection
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Flanged, Raised Face (RF)
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Body Manufacturing Process
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Open Die Forging (Free Forging)
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Saiz Nominal
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NPS 12 × 10 (DN300 × DN250)
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Port Reduction
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Inlet 12″, Internal seat bore reduced to 10″
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Pressure Class
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Class 600 (ASME B16.5)
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Bahan Badan
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A105 (Carbon Steel)
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Service Medium
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Water / Oil / Gas / Steam (as per process)
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- APPLICABLE CODES & STANDARDS
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Standard
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Penerangan
|
|
API 6A
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Specification for Wellhead and Christmas Tree Equipment (if applicable to choke design)
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API 6D
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Specification for Pipeline and Piping Valves
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ASME B16.34
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Valve Flange, Threaded, and Welding End Dimensions
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ASME B16.5
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Pipe Flanges and Flanged Fittings (Class 600 RF)
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ASME B16.10
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Face-to-Face and End-to-End Dimensions of Valves
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API 598 / ISO 5208
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Valve Inspection and Testing
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ASTM A105 / ASME SA-105
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Forgings, Carbon Steel, for Piping Components
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- MATERIALS OF CONSTRUCTION
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Komponen
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bahan
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Standard / Remarks
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|
Badan
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A105
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Open die forged, normalized
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|
Bonnet / Cover
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A105
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Forged, bolted bonnet design
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Disc / Plug / Needle
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A105 + Hardfacing
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Stellite 6 / 13Cr – erosion resistant
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Seat Ring
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A105 + Hardfacing
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Integral or renewable, hardfaced sealing surface
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Batang
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A182 F6a (13Cr)
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Stainless steel, anti-galling
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Packing
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Flexible Graphite
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With Inconel wire reinforcement
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Gasket
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Spiral Wound
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304SS + Graphite
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Stud Bolts
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A193 B7
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High strength alloy steel
|
|
Nuts
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A194 2H
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Carbon steel
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- DESIGN & PERFORMANCE CHARACTERISTICS
|
Parameter
|
Spesifikasi
|
|
Pressure Class
|
Class 600
|
|
Max. Allowable Working Pressure
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Per ASME B16.34, A105 @ 38°C: ~ 1480 psi (102 bar)
|
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Design Temperature Range
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-29°C to +425°C (-20°F to +800°F)
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Flow Characteristic
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Linear / Equal Percentage
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Seat Leakage Rate
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Class IV or Class V per FCI 70-2 / IEC 60534
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Operasi
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Handwheel / Gearbox / Actuator ready
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Flow Direction
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Flow over seat (preferred) or Flow under seat
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- DIMENSIONS & CONNECTIONS
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Item
|
Dimension (inch / mm)
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Inlet Flange
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12″ Class 600 RF per ASME B16.5
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Outlet Flange
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12″ Class 600 RF per ASME B16.5
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Face-to-Face Length
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Per API 6D / ASME B16.10 or manufacturer standard
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Reduced Bore Diameter
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Corresponding to NPS 10 (approx. 10″ seat bore)
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Handwheel Diameter
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As per manufacturer
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Approx. Weight
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As per manufacturer
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- SPECIAL REQUIREMENTS & REMARKS
- Free Forging Process
Valve body shall be manufactured from open die forging using ingot or large billet.
Machining from bar stock or casting is NOT acceptable.
- Reduced Port Design
Flange size: NPS 12
Internal seat bore and throttling area: Equivalent to NPS 10
Designed for precise pressure and flow control.
- Hardfacing & Wear Resistance
Seat and disc contact surfaces shall be hardfaced with Stellite 6 or equivalent.
Minimum hardness after welding: 350–450 HB.
- Nondestructive Examination (NDE)
Body forging to be ultrasonically tested per ASTM A388.
Critical areas (seat, bore, welds) to be MT or PT examined.
- Compliance
Valve design, materials, and testing to fully comply with API 6A (if choke valve) and API 6D (pipeline valve) requirements.
JAMINAN:
SAVVY VALVES komited untuk menyampaikan kualiti produk yang luar biasa dan perkhidmatan selepas jualan tanpa bimbang. Injap kami dijamin memberikan hayat perkhidmatan minimum selama 12 bulan, di mana kami akan membekalkan semua alat ganti yang diperlukan dan arahan penyelenggaraan terperinci secara percuma. Dalam tempoh jaminan, jika sebarang kerosakan bukan disebabkan oleh manusia berlaku, kami akan menggantikan komponen tanpa kos dan menyediakan sokongan teknikal profesional. Selepas jaminan tamat, pelanggan hanya perlu membayar kos alat ganti, sementara masih mendapat manfaat daripada perkhidmatan penyelenggaraan berdiskaun. Matlamat kami adalah untuk membantu pelanggan mengurangkan kos operasi dan meningkatkan kecekapan pengeluaran melalui kualiti yang boleh dipercayai dan sokongan selepas jualan yang komprehensif. Sama ada untuk pertanyaan teknikal atau keperluan penyelenggaraan, pasukan pakar kami akan bertindak balas dengan segera untuk memastikan sistem injap anda mengekalkan prestasi optimum pada setiap masa.
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