Motorized Triple Offset Double Flange Butterfly Valve
Technical Data Sheet
(Typical Size: DN200 / Class 150 – can be customized)
- General Information
Item | Penerangan |
Jenis Injap | Triple Offset Butterfly Valve |
Saiz Nominal | DN200 (8 Inch) or as specified |
Penilaian Tekanan | Class 150 (PN20) or Class 300 / PN optional |
End Connection | Double Flange (to ASME B16.5 or EN 1092-1) |
Operasi | Penggerak Bermotor |
Permohonan | Bi-directional tight shut-off, frequent operation, high temperature / high pressure / corrosive media, steam, oil, natural gas, etc. |
- Design & Manufacturing Standards
Standard | Penerangan |
Design Code | API 609 (Category B – Triple Offset) |
Flange Dimensions | ASME B16.5 Class 150 / 300 or EN 1092-1 PN10/PN16/PN25/PN40 |
Face-to-Face Dimension | API 609 (short or long pattern) or EN 558 Series 13 / 14 |
Pressure-Temperature Rating | ASME B16.34 |
Top Flange | ISO 5211 (for direct actuator mounting) |
Inspection & Testing | API 598 |
Leakage Rate | API 598 Rate A / ISO 5208 Rate A (Zero leakage) |
Fire Safe Design | API 607 / ISO 10497 (optional) |
- Main Materials (Typical – can be customized)
Komponen | Standard Material | Optional Materials |
Badan | Carbon Steel (WCB) | Stainless Steel CF8M, CF3M, Duplex SS, Alloy Steel |
Cakera | Stainless Steel CF8M | Duplex SS, Hastelloy, Nickel-Aluminum Bronze |
Batang | 17-4PH Precipitation Hardening SS | Inconel, Monel, Duplex SS |
Seat Sealing Surface | Stellite hardfacing | Nickel-based alloy, Tungsten Carbide |
Seal Ring | Multi-layer metal + graphite | All-metal seal, PTFE (low temperature) |
Packing | Flexible graphite + SS spacer rings | PTFE + graphite, low emission packing |
Fasteners | Stainless Steel A193 B8 | Alloy Steel B7 |
Gaskets | Flexible graphite + SS spiral wound | Metal ring gasket |
- Outline Dimensions & Weight (Typical – DN200 Class 150)
Dimension Parameter | Value (Short pattern, API 609) |
Face-to-Face Length L | Approx. 152 mm (DN200 Class 150 short) |
Flange Outer Diameter D | Approx. 345 mm (ASME B16.5 Class 150) |
Bolt Circle Diameter K | Approx. 298 mm |
Flange Thickness C | Approx. 29 mm |
Number / Diameter of Bolt Holes | 12 × 25 mm |
Center Height (flange face to center) | Approx. 108 mm |
Overall Height (excluding actuator) H | Approx. 450 mm |
Valve Weight (excluding actuator) | Approx. 85 kg |
Electric Actuator Weight (reference) | Approx. 25 – 50 kg (depending on torque and brand) |
Dimensions above are typical references. Final dimensions to be confirmed with manufacturer’s drawing.
- Pressure-Temperature Rating (ASME B16.34 – WCB body)
Temperature (°C) | Max. Working Pressure (bar) – Class 150 | Max. Working Pressure (bar) – Class 300 |
-29 ~ 38 | 19.6 | 51.1 |
100 | 17.6 | 46.6 |
150 | 15.3 | 44.8 |
200 | 13.2 | 41.9 |
250 | 11.2 | 39.5 |
300 | 9.2 | 37.1 |
350 | 7.5 | 34.1 |
400 | 5.5 | 30.2 |
425 | 4.4 | 26.8 |
Stainless steel bodies offer slightly different ratings. Refer to material pressure curves for details.
- Performance Data
Parameter | Value |
Penilaian Tekanan | Class 150 / 300 (as required) |
Shell Test Pressure (water) | Class 150: 29 bar; Class 300: 76 bar |
Seat Test Pressure (water) | Class 150: 21 bar; Class 300: 56 bar |
Low-Pressure Air Seat Test | 6 bar |
Allowable Differential Pressure (bi-directional) | Full rated pressure |
Leakage Rate | Zero leakage (metal seated, API 598 Rate A) |
Temperature Range (standard metal seal) | -29°C ~ +425°C |
Suitable Media | Water, steam, oil, natural gas, corrosive media, etc. |
Max. Operating Torque (DN200 Class 150) | Approx. 200 – 350 N·m (on-off, with gearbox) |
- Electric Actuator Specification (Reference)
As electric actuators vary by brand and control requirements, below is a typical configuration recommendation:
Parameter | Typical Value |
Actuator Type | Quarter-turn electric actuator |
Mounting Flange | ISO 5211 F14 or F16 (depending on torque) |
Max. Output Torque | Based on valve torque + safety factor (DN200 Class 150 approx. 400–600 N·m) |
Power Supply | 380V / 3Ph / 50Hz or 220V / 1Ph |
Control Type | On-Off or Modulating (4-20mA) |
Enclosure Protection | IP67 (outdoor type) |
Explosion Proof (optional) | Ex d IIB T4 (flameproof) |
Accessories | Limit switches, torque switches, heater, local/remote control |
- Ciri-ciri Utama
- Triple offset design – No friction during opening/closing; long service life, low torque
- Double flange connection – Can be independently installed between pipeline flanges; easy maintenance; suitable for large bore and high pressure
- Bi-directional zero leakage – Metal hard seal for high temperature, high pressure, corrosive and abrasive media
- Motorized actuation – Enables remote on/off, local operation, and signal feedback for automated systems
- Low operating torque – Lower than conventional hard-seal butterfly valves; allows more economical actuators
- Fire safe design (optional) – Compliant with API 607
- Ordering Information
Please provide the following when ordering:
- Valve size, pressure rating (Class or PN)
- Body, disc, and seat materials
- Flange standard and face-to-face standard
- Media name, temperature, and pressure
- Electric actuator power supply, control type (on-off/modulating), protection/explosion-proof rating
- Special requirements (fire-safe, low emission packing, third-party certification, etc.)
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