Popis
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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Specifikace
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Typ ventilu
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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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Jmenovitá velikost
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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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Materiál těla
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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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Norma
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Popis
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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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Component
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Materiál
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Standard / Remarks
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Tělo
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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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Zastavit
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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
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Nuts
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A194 2H
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Carbon steel
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- DESIGN & PERFORMANCE CHARACTERISTICS
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Parametr
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Specifikace
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Pressure Class
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Class 600
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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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Operace
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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
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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.
ZÁRUKA:
Společnost SAVVY VALVES se zavazuje poskytovat výjimečnou kvalitu produktů a bezstarostný poprodejní servis. Naše ventily mají zaručenou minimální životnost 12 měsíců, během níž zdarma dodáme všechny potřebné náhradní díly a podrobné pokyny k údržbě. V případě poškození, které není způsobeno lidskou činností, v rámci záruční doby bezplatně vyměníme komponenty a poskytneme profesionální technickou podporu. Po uplynutí záruky zákazníci uhradí pouze náklady na náhradní díly a zároveň mohou využívat zlevněné služby údržby. Naším cílem je pomáhat klientům snižovat provozní náklady a zvyšovat efektivitu výroby prostřednictvím spolehlivé kvality a komplexní poprodejní podpory. Ať už se jedná o technické dotazy nebo potřeby údržby, náš tým odborníků vám promptně zareaguje, aby zajistil, že váš ventilový systém bude vždy udržovat optimální výkon.
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