The EBRO 89 HX bi-directional sealing through-gate knife gate valve is designed for pipeline shut-off from DN 200 to DN 800 with a maximum working pressure of 20 bar. Its through-gate plate design ensures sealing performance independent of pressure direction and supports multiple flange standards including EN 1092 and ASME B16.5. It is suitable for isolating high-consistency pulp, liquid, industrial waste, powder and dust conveying systems.

EBRO
89 HX Bi-directional Sealing Through-Gate Knife Gate Valve | EBRO
Product code: 89-HX
Bi-directional sealing knife gate valve for line isolation of pulp with a consistency above 5% as well as waste and dust media, with nominal diameters from DN 200 to DN 800.
- Category
- Knife Gate Valves
- Maximum working pressure
- 20 bar, applicable to DN 200 - DN 800
- Pressure direction adaptability
- Sealing performance independent of pressure direction
Specifications
- Nominal diameter
- DN 200 - DN 800
- Flange connection standard
- EN 1092 PN 16, EN 1092 PN 20, EN 1092 PN 25, EN 1092 PN 40, EN 1092 PN 50, ASME B16.5 Class 150, ASME B16.5 Class 300
- Sealing class
- EN 12266-1:2009 Rate A
- Maximum working pressure
- 20 bar, applicable to DN 200 - DN 800
- Suitable media
- Pulp (consistency > 5%), liquids, waste, powder and dust
- Gate plate design
- Through-gate plate
- Pressure direction adaptability
- Sealing performance independent of pressure direction
Application scenarios
High-consistency pulp line isolation in paper pulping
For isolation of pipelines conveying high-consistency pulp with a consistency above 5%. The valve features a through-gate plate for closing on high-consistency media, with sealing performance independent of pressure direction, a maximum working pressure of 20 bar, and a nominal diameter range of DN 200 to DN 800.
Isolation of powder and dust conveying systems
For pipeline isolation in powder and dust conveying systems. The valve features a through-gate plate for closing under harsh media conditions, with sealing performance independent of pressure direction, a maximum working pressure of 20 bar, and a nominal diameter range of DN 200 to DN 800.
Pipeline shut-off for industrial waste conveying and treatment
For pipeline shut-off in industrial waste conveying and treatment systems. The valve is suitable for waste media, features a through-gate plate, and offers sealing performance independent of pressure direction, with a maximum working pressure of 20 bar and a nominal diameter range of DN 200 to DN 800.
Selection points
Through-gate plate design for high-consistency media
The through-gate plate design is suitable for pulp with a consistency above 5% and other harsh media applications.
Sealing performance independent of pressure direction
The valve's sealing performance is independent of pressure direction, making it suitable for applications where pressure direction may vary.
Maximum working pressure of 20bar across DN200 to DN800
The maximum working pressure is 20bar within the nominal diameter range of DN200 to DN800.
Multi-standard flange connection compatibility
Supports EN1092 PN16, PN20, PN25, PN40, PN50 as well as ASME B16.5 Class150 and Class300 flange connection standards.
EN12266-1 RateA sealing class
The sealing class is EN12266-1:2009 RateA.
FAQ
What media and applications is the EBRO 89 HX knife gate valve suitable for?
The EBRO 89 HX knife gate valve is suitable for media such as high-consistency pulp, liquids, waste, powder and dust, with pulp applications at consistencies above 5%. Its through-gate plate design combines flow capacity with closing performance, making it suitable for shut-off demands under harsh media conditions and high-pressure applications.
Is the sealing performance of the HX knife gate valve affected by the direction of media pressure?
The valve's sealing performance is independent of pressure direction and maintains its sealing capability under different pressure directions. This characteristic simplifies considerations regarding installation flow orientation and makes it suitable for systems where pressure direction may change.
What are the size range and maximum working pressure of the EBRO 89 HX knife gate valve?
The nominal diameter range of this series is DN 200 to DN 800. Within the DN 200 to DN 800 range, the maximum working pressure is 20 bar.
Which flange connection standards can be used with the EBRO 89 HX knife gate valve?
The valve can be equipped with EN 1092 PN 16, PN 20, PN 25, PN 40 or PN 50 flange connections, as well as ASME B16.5 Class 150 or Class 300 flange connections. During selection, the valve's connection rating should be matched to the pipeline flange standard and the system pressure conditions.
What is the sealing class of the EBRO 89 HX knife gate valve?
The valve has a sealing class of EN 12266-1:2009 Rate A, suitable for applications with explicit shut-off sealing requirements.
