Penerangan
Wafer-Type Butterfly Valve (Cartridge Seat) – Technical Datasheet
Model: D71X-16C (Example)
Jenis: Centerline Design, Wafer-Type
Seat Type: Cartridge Replaceable Seat
- Basic Parameters
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Item
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Spesifikasi
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Diameter Nominal (DN)
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DN50 ~ DN600 (Optional)
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Nominal Pressure (PN)
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PN10/16 (Class 150), JIS 10K/16K
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Julat Suhu
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-20°C to +120°C (EPDM Seat) -10°C to +180°C (PTFE Seat)
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Applicable Media
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Water, Air, Oil, Weakly Corrosive Liquids
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Connection Type
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Wafer-Type (ASME B16.5 / EN 1092-1/JIS B2220)
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Penggerakan
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Lever, Gear, Pneumatic, Electric
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- Construction & Materials
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Komponen
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bahan
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Penerangan
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Badan
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Ductile Iron (GGG50) Carbon Steel (WCB) Stainless Steel (CF8/CF8M)
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Epoxy Coated/Ni-Plated
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Cakera
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SS304/316 Ductile Iron + Nylon Coating
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Centerline Design, Low Flow Loss
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Batang
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Stainless Steel (416/304/316)
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Through-Rod, Anti-Blowout
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tempat duduk
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Cartridge Seat: – Seal: EPDM/NBR/VITON/PTFE – Support Ring: SS304 + Rubber Composite
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Quick Replacement Without Body Removal
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Sealing Type
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Bidirectional Elastic Sealing
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Zero Leakage (ANSI FCI 70-2)
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III. Cartridge Seat Features
- Modular Design: Seat pre-assembled in stainless steel retainer ring.
- Rapid Replacement: Maintenance without pipeline disassembly (valve removed between flanges).
- Zero-Leakage Sealing: Uniform compression under pressure fluctuations.
- Extrusion Resistance: SS skeleton prevents deformation (10x longer life vs. standard seats).
- Performance Specifications
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Parameter
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Value
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Sealing Class
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ANSI Class VI / ISO 5208 A
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Flow Coefficient (Cv)
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Refer to size-specific chart (e.g., DN100: Cv≈500)
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Operating Torque
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≤30% of standard butterfly valves
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Cycles
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≥100,000 (EPDM Seat)
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Fire-Safe Option
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API 607 (Optional)
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- Design & Testing
- Installation: Sandwiched between ANSI/EN flanges (no threaded holes in body).
- Shell Test: 1.5×PN (EN 12266).
- Seat Test: 1.1×PN (bidirectional air/water).
- Vacuum Test: 0.08 MPa (ISO 5208).
- Standards & Certifications
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kategori
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Standard
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|
Reka Bentuk Injap
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ISO 10631 / EN 593 / MSS SP-67
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Flange Face
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RF (Raised Face) ASME B16.5 / EN 1092-1
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Fire Safety
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API 607 (Optional)
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Potable Water
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WRAS/KTW (EPDM Seat)
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VII. Options
- Penggerakan: ISO 5211 mounting pad for pneumatic/electric actuators.
- Stem Extension: For insulated lines (-40°C to +230°C).
- Position Indicators: Mechanical/electronic limit switches.
- Peranti Anti Statik: ISO 5211 compliance.
VIII. Applications
- HVAC: Chilled/heating water systems.
- Industrial: Chemical processing, compressed air.
- Water Treatment: Filtration, pumping stations.
- Marine: Seawater cooling (316SS body).
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