Wafer Type Hard Seal Motor Operated Butterfly Valve
Wafer Type Hard Seal Motor Operated Butterfly Valve
- Valve Size: DN50~DN400
- Body Material: Stainless Steel SS304/SS316 and Carbon Steel
- Disc Material: Stainless Steel SS304/SS316
- Seal Material: Metal Hard Seal
- Medium Temperature: -29~+425 Degree
- Flanged Connection: ISO 5211 or DIN 3337 Standard
- Pressure Rating: PN10/PN16 ANSI150, DIN16, JIS 10K/16K
- Medium: Water, Oil, Gas, Powder, Chemical, etc…
- Actuator Model: HEA Series On-off Quarter-Turn Electric Actuator
- Control: On-off or Proportional Control
- Protection Class: Weatherproof – lP67
This Hearken valve represents the pinnacle of quarter-turn isolation technology, designed specifically for applications that exceed the limits of traditional soft-seated valves. The core of Electric Metal Seal Triple Eccentric Butterfly Valve performance lies in the Triple Eccentric geometry, which ensures that the disc only contacts the metal seat in the final degrees of closure. This frictionless closing motion minimizes wear and guarantees long-term sealing integrity.
The Electric Metal Seal Triple Eccentric Butterfly Valve utilizes a Metal Hard Seal that withstands extreme operating conditions, safely handling fluid temperatures ranging from -29~+425 Degree. Built with resilient materials like Stainless Steel (SS304/SS316) and Carbon Steel, the unit is powered by an IP67-rated electric actuator, providing reliable on/off or proportional flow control in any weather condition.
Features & Benefits
Extreme Temperature Performance: Reliable sealing and operation across a wide thermal range, from cryogenic to high-heat applications.
Zero Leakage Assurance: The Metal Hard Seal, supported by the triple eccentric design, delivers bubble-tight shutoff crucial for media like steam, petroleum, and hazardous gases.
Extended Lifespan: The unique sealing kinematics reduce friction during opening and closing, dramatically extending the life of the seat and disc compared to conventional butterfly valves.
Heavy-Duty Construction: Built with stainless steel and carbon steel components to withstand high pressure ratings (PN10/PN16, ANSI150) and corrosive non-acidic media.
Automated Control: Equipped with a weatherproof IP67 electric actuator, available in HEA Series models, supporting either precise proportional modulation or definitive on/off switching.
Dimensions
| DN | IN | L | L1 | L2 | H2 | D1 | N-D | Actuator Model |
| 50 | 2″ | 43 | 160/217 | 146/195 | 121/161 | 125 | 4-18 | HEA008/HEX010 |
| 65 | 2 1/2″ | 46 | 188/217 | 151/195 | 132.5/161 | 145 | 8-18 | HEA010/HEX010 |
| 80 | 3″ | 49 | 188/217 | 151/195 | 132.5/161 | 160 | 8-18 | HEA010/HEX010 |
| 100 | 4″ | 56 | 188/217 | 151/195 | 132.5/161 | 180 | 8-18 | HEA015/HEX015 |
| 125 | 5″ | 64 | 204.5/261 | 191/219 | 154/185 | 210 | 8-18 | HEA020/HEX020 |
| 150 | 6″ | 70 | 204.5/261 | 191/219 | 154/185 | 240 | 8-22 | HEA040/HEX040 |
| 200 | 8″ | 71 | 204.5/261 | 191/219 | 154/185 | 295 | 8-22/12-22 | HEA060/HEX060 |
| 250 | 10″ | 76 | 267/310 | 206/240 | 167/175 | 350/355 | 12-22/12-26 | HEA080/HEX100 |
| 300 | 12″ | 83 | 267/310 | 206/240 | 167/175 | 400/410 | 12-22/12-26 | HEA100/HEX200 |
| 350 | 14″ | 92 | 267/310 | 206/240 | 167/175 | 460/470 | 16-22/16-26 | HEA200/HEX200 |
| 400 | 16″ | 102 | 267/310 | 206/240 | 167/175 | 515/525 | 16-26/16-30 | HEA200/HEX200 |
Applications
Petrochemical & Oil/Gas: Handling hot oil, natural gas, petroleum, and refining processes.
Power Generation: Isolation of steam lines, feedwater systems, and condensate recovery.
Metallurgy & Pulp/Paper: Controlling abrasive media and high-temperature process fluids.
Industrial Utilities: Isolation of high-pressure air and general liquid services.
