Eccentric Semi Ball Valve Product Information
Eccentric semi ball valve is one type of new structure ball valve, which is featured with no on-off friction, no easy wear sealing and smaller on-off torque. It includes two different structures, which are top entry eccentric semi ball valve and side entry eccentric semi ball valve. Equipped with multi-turn electric actuator or eccentric semi ball valve, it can be achieved in mediums regulation and shut down. Eccentric ball valve is applicable widely in the oil & gas, petroleum & chemical, waste water treatment, pulp, aluminium oxide, urban heating, etc. Flowspec Luokai can produce the eccentric semi ball valve according to GB/T26146-2010 with sizes of 2”~80” (DN50~DN2000mm). Contact us today. Get the better prices. 30 years of experience. Great after-sales service.
1. FEATURES
- More reasonable structure design
- Lower pressure loss
- Better sealing
- Longer service life
- Easier maintenance
3. STANDARDS
- Design & manufacturing: GB/T26146-2010
- Face to face: GB/T26146-2010
- Flanged ends: GB/T17241.6-2008 / BS4504 / ISO7005 / EN1092-2 / DIN2501
- Inspection & testing: GB/T13927-2008
2. TECHNICAL SPECIFICATIONS
- PN10/PN16/PN25/PN40
- Size: 2”~80” (DN50~DN2000mm)
- Materials: ductile iron A536 65-45-12 (GGG40), carbon steel (A216 WCB), stainless steel 304 (CF8), stainless steel 304 (CF8M)
- Applicable medium: water, rain water, river water, corrosive mediums
- Applicable temperature: -10℃~+120℃
- Working pressure: 10bar, 16bar, 25bar, 40bar
4. APPLICATIONS
- Hydropower station
- Thermal power plant
- Water plant
- Water project
- Oil & chemical industry
- Pulp plant
- Alunorte
Why Choose Flowspec Luokai
45+ Years Experience
Founded in 1978, manufacturing industrial valves for over four decades with proven reliability worldwide.
Global Certifications
ISO 9001, CE/PED, WRAS, FM, UL, API approved — compliant with international quality and safety standards.
OEM Custom Solutions
Flexible design and manufacturing per your specifications — material, size, pressure, actuation tailored to project needs.
Worldwide Delivery
Exported to 5 continents — North & South America, Europe, Middle East, Southeast Asia, and Africa.
Our Service Promise
Strict Quality Control
Every valve tested to API 598, EN 12266 before shipment
Timely Global Delivery
Reliable logistics to 5 continents with secure packaging
OEM & Custom Design
Tailored material, size, pressure and actuation to your specs
Dedicated After-Sales
Technical support and service throughout product lifecycle


