Sun Yeh Ceramic Eccentric Rotary Valve Series features a dual eccentric design and torque sealing mechanism. By employing a double eccentric approach, it achieves a cam wedge tightening effect for effective torque sealing. During closure, the C-type ball gradually shifts in relation to the seat, reducing clearance and achieving a hard seal leakage grade of VI. This valve, offered by ceramic ball valves manufacturers, serves as a typical spherical seal with both cut-off and adjusting capabilities. Additionally, it can regulate and control throttling in challenging slurry mediums containing abrasive solid content, fibrous fluids, high viscosity, and scale-prone slurry.
Our company can offer Ceramic Full Lined Eccentric Rotary Valves with all flow passages utilizing ceramic materials, as well as Ceramic Partial Lined Eccentric Rotary Valves with only the flow passages partially using ceramic materials, based on specific operating conditions.
Sun Yeh Ceramic Eccentric Rotary Valve is also known as Cam Flexible Valve because of its cam-shaped rotation track. The valve body is integrated structure, single seat and through-shaft design, which has the advantages of wear resistance, erosion resistance, high temperature resistance and anti-crushing.
Due to the streamlined valve chamber design, when the valve opens, chamber opens and expands, cam ball is detached from valve seat, and there will be no sticking or blocking; when the valve closes, there is no material detention zone in the valve chamber, which avoid material crystallization turning on unable to open.
It has self-cleaning function. When the valve is opening, cam spherical is tilted away from valve seat, and the fluid flushes sundries along the sealing surface totally. When the ceramic lined valve is closing, C-ball moves gradually relative to the valve seat, which can realize the shearing of the adhering sundries on the sealing pair to ensure the cleaning of the sealing pair, and the wear resistance of the solid C-type ceramic valve seat will not be damaged by intercepted objects.
Its actuator connection is through the bracket interface, which meets the ISO 5211 size standard.
940T Ceramic Control Partial Core Rotary Valve has the advantages of light switch, low friction, no contact between spherical surface and sealing seat when opening and closing, small torsion and flexible rotation.
When the sealing pair is opening and closing, there is shearing performance. Ceramics have self-cleaning and self-wetting properties which help to clean scales and adhesives on the sealing surface and maintain long-term tightness.
According to the wedge effect created by eccentric core, the tighter the closure of C-ball and valve seat, the contact between seal pairs can be compensated by themselves.
The Ceramic Ball and Ceramic Seal match perfectly and the best sealing effect is realized. It ensures V or above shutdown level and better regulation performance.
Size | Related CV | Dimension(L=MM) |
DN25 | 14 | 102 |
DN40 | 30 | 114 |
DN50 | 58 | 124 |
DN65 | 100 | 143 |
DN80 | 135 | 165 |
DN100 | 230 | 194 |
DN125 | 210 | 213 |
DN150 | 500 | 229 |
DN200 | 850 | 243 |
DN250 | 1300 | 297 |
DN300 | 1750 | 338 |
Flow characteristics | Quick-opening, equal percentage with positioner | ||||
Angle rotation | 0~90deg | ||||
Action | On-off | Modulation | Solid state electronic type | Electric Motor Type | |
DA | Direct action: Air to valve shut | Valve open or shut by air or electric signal | Signal increase to valve shut | 12VAC, 12VDC, 24VAC, 24VDC, 110VAC/1PH, 220VAC/1PH, 220VAC/3PH, 380VAC/3PH, 440VAC/3PH | |
RA | Reverse action: Air to valve open | Signal increase to valve open | |||
Body material | WCB, A105, CF8, CF8M, CF3M, TA2, etc. | ||||
The standard of flange | GB, HG, DIN, JIS, ANSI, and customization | ||||
Operating temp | -196°C~ +100°C; -25°C~+950°C; -30°C~+160°C; -30°C~ +180°C; -30°C~ +310°C, etc. | ||||
Body ratings | PN10~PN160; ANSI150, ANSI300, ANSI600, ANSI900, ANSI1500, ANSI2500, etc. |
Sunyeh would be happy to answer any quesetions about Ceramic Lined Valve.
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No.35, Siyuan Road, High-Tech District, Qingdao, Shandong Province, China