Penerangan
Technical Datasheet: Monel Needle Valve (Double Ferrule Tube Fitting)
- General Product Data
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Parameter
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Spesifikasi
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Product Type
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Needle Valve (Integral Bonnet / Severe Service)
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Bahan Badan
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Monel® (Alloy 400 / UNS N04400)
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Connection Type
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Double Ferrule Tube Fitting (Compatible with Gyrolok®, Swagelok® systems)
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Connection Sizes
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1/8″ to 1″ (6mm to 25mm metric available)
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Flow Pattern
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Straight (2-way) or Angle Pattern available
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Stem Type
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Regulating (Vee) or Soft-Seat (PCTFE/PEEK) options available
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- Pressure & Temperature Ratings
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Parameter
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Imperial
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Metric
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Maximum Operating Pressure
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Up to 6000 psig
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Up to 414 Bar
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Julat Suhu (Standard Packing)
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-65°F to 500°F
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-54°C to 260°C
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Julat Suhu (High-Temp Graphite Packing)
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-100°F to 1000°F
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-75°C to 538°C
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Proof Pressure
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2:1 Safety Factor (x Max Pressure)
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Burst Pressure
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4:1 Safety Factor (x Max Pressure)
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Note: Pressure ratings are temperature-dependent and decrease at the upper temperature limits.
- Material of Construction (Wetted Parts)
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Komponen
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bahan
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Valve Body
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Monel 400 (Alloy 400)
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Bonnet
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Monel 400
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Batang
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Monel 400 / 316 Stainless Steel (Non-rotating tip)
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Stem Tip (Point)
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Monel / 17-4PH Stainless Steel / PCTFE options
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Packing
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PTFE / Graphite (Grafoil®) / PEEK
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Packing Nut / Washer
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316 Stainless Steel
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Handle
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Phenolic / 316 Stainless Steel
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Ferrule Set (Tube Fitting)
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316 Stainless Steel (Standard); Monel available upon request
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- Dimensional & Flow Data (Typical Values)
Note: Dimensions vary based on connection size.
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Connection Size (Tube OD)
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Orifice Diameter
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Cv Factor (Flow Coefficient)
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Dimensions (L x H approx.)
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1/4″ (6 mm)
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0.166″ (4.2 mm)
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0.31
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3.1″ x 2.0″
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3/8″ (10 mm)
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0.250″ (6.4 mm)
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0.73
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3.5″ x 2.4″
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1/2″ (12 mm)
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0.312″ (7.9 mm)
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1.09 / 1.20
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3.4″ x 2.6″
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3/4″ (18 mm)
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0.437″ (11.1 mm)
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—
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3.6″ x 2.6″
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- Features & Design
- Packing Below Threads: Packing is located below the stem threads to prevent system media from coming into contact with the threads, reducing corrosion and fugitive emissions.
- Non-Rotating Stem Tip: Prevents galling (scoring) of the seat and stem tip, ensuring leak-tight shut-off and extending cycle life.
- Live-Loaded Packing: (Optional/Standard on some series) Utilizes a spring (Belleville washer) to maintain constant pressure on the packing, compensating for wear and temperature changes.
- Panel Mountable: Standard feature on most forged body designs.
- Safety Backstop: A handle stop prevents over-tightening and potential stem blowout.
- Applicable Standards & Testing
- Standard Reka Bentuk: Designed to meet ANSI B16.34 / ASME standards.
- Inspection: Each valve is factory-tested for bubble-tight leakage at both the seat and the packing.
- Cleaning: Standard cleaning per ASTM G93 (or equivalent) for instrumentation and oxygen service (Special cleaning SC-11 available).
- Compliance: NACE MR0175 / ISO 15156 compliance available upon request for sour gas service.
- How to Order (Typical Configuration Code)
When ordering, specify the configuration as follows:
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Element
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Example Options
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1. Series
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(e.g., 2219, 1700, “V” Series)
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2. Body Material
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M = Monel
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3. End Connections
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G = Gyrolok® / Tube Fitting F = Female NPT
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4. Connection Size
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4 = 1/4″ 6 = 3/8″ 8 = 1/2″ 12MM = 12mm
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5. Stem Type
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VS = Vee Regulating VF = Soft Seat
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Ordering Example: 2219-G8M (2219 Series, Gyrolok 1/2″, Monel Body)
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