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KOSO 710E / 720E Eccentric PARA-SEAL High Performance Butterfly Valve
Double offset high performance butterfly control valve with bubble-tight Class VI seal rings, 3" to 24", ASME Class 150 to 300, -196 to +500 °C.
Certified equipment
ATEX / IECEx documentation supplied where stated
Worldwide delivery
Incoterms agreed in each quotation
Quotation first
Price, lead time and certificates in every offer
The KOSO 710E (wafer) and 720E (flanged) PARA-SEAL valves are eccentric high performance butterfly valves combining durability with bubble-tight shut-off. Several seal ring constructions (reinforced PTFE with NBR, Viton or stainless steel back ring, Kel-F) suit different services.
Key features
- Eccentric disc reduces seal wear and torque
- Bubble-tight ANSI/FCI 70-2 Class VI
- Seal rings for cryogenic to +500 °C service
- Rangeability 50:1 at 90° opening
- Wafer or flanged bodies
Standard specification
| Body type | 710E / 720E |
|---|---|
| Body size | 3"(80A) to 24"(600A) |
| Body rating | ANSI Class 150 to 300, JIS 10K to 20K |
| Fluid temperature | -196 to +500°C |
| Connections | Wafer type / Flanged (RF) |
| Body materials | SCPH2/WCB, SCS13A/CF8, SCS14A/CF8M etc. |
| Disc materials | SCPH2/WCB, SCS13A/CF8, SCS14A/CF8M etc. |
| Disc treatment | Chrome plated or Stellited |
| Rangeability | 60° Opening / 25：1 90° Opening / 50：1 |
| Flow characteristics | APPROXIMATE EQ% (Inherent characteristic) |
| Seal ring type | FN / FV / CS / KS |
| Seal ring materials | R. TFE / R. TFE / R. TFE / Kel-F |
| Back ring materials | NBR / VITON / SUS316 / SUS316 |
| Seat Leakage | Bubbletight ANSI/FCI 70-2 Class VI |
| Actuator combination | 6300RB, 6400RB, 6500RA, 7300RA: Pneumatic Cylinder Actuator 3500RB, 3600RB: Solid State Electronic Actuator 5200RA: Pneumatic Diaphragm Actuator |
Applications
Large flow control and shut-off of gases, steam and liquids in power, oil and gas, petrochemical, steel and water treatment plants.
Documentation
The manufacturer brochure is available in the attachments. Send us your process data (fluid, flow, pressures, temperature, line size and rating) with your quotation request so that KOSO can size and select the right model.
KOSO-710E
Data sheet
- Manufacturer series
- 710E / 720E
- Product type
- Eccentric PARA-SEAL butterfly valve
- Size range
- 3 in to 24 in
- Origin
- KOSO group
- Rating / output
- ASME 150 to 300
Viewed products
7 other products in the same category:
Double offset high performance butterfly control valve with bubble-tight Class VI seal rings, 3" to 24", ASME Class 150 to 300, -196 to +500 °C.