Silicon Nitride Ceramic Ball Valve

Valve core of the silicon nitride ball valve is made of silicon nitride powder and sintered after forming. According to its shape, it can be divided into three types, whic are V-type, O-type and Eccentric ball valves. It has high mechanical strength, good impact resistance, strong wear and corrosion resistance, high temperature and thermal impact resistance, and is widely used in machinery and equipment, petrochemical, biopharmaceutical, food processing, power plants, water supply and other industries to accurately regulate the flow, and can also be used for switch control to realize the opening or closing of pipelines.

Brand:
ATCERA
Item NO.:
AT-SIN-QF001

Materials
Si3N4
Shapes
Mechanical Parts
Applications
Mechanical Parts , Petrochemical Industry , Food Processing , Biology and Medicine

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Properties of Silicion Nitride Ceramic Ball Valve

1. Silicon nitride ball valve has high mechanical strength, good impact resistance, good wear resistance, so the service life is long.

2. Silicon nitride ball valve surface is smooth, sealing effect is good, also with good self-lubrication performance, no need lubrication maintenance and fluid resistance is low.

3. Silicon nitride ball valve is resistant to high temperature and corrosion, the maximum use temperature can reach higher than 1100℃, thermal shock resistance and chemical stability are excellent, it can withstand rapid temperature changes, can be in direct contact with a variety of acidic and alkaline substances, no risk of corrosion failure.

Applications of Si₃N₄ Ball Valve

Silicon nitride ball valve is widely used in machinery and equipment, petrochemical, biopharmaceutical, food processing, power plants, water supply and other industries to accurately regulate the flow, and can also be used for switch control to realize the opening or closing of pipelines.

Size Chart of Si3N4 Ceramic Ball Valve

We are committed to delivering optimal silicon nitride ball valves tailored to your exact specifications. Our dedicated team ensures meticulous adherence to your instructions, striving to exceed customer expectations. Additionally, we offer the flexibility of customized sizes to accommodate your unique requirements.

Drawings and specification requirements shall be provided if customized design request.

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Drawing of Silicon Nitride Ceramic Ball Valve O-Type

Silicon Nitride Ceramic Ball Valve O-Type
Item NO.	DN	PH (Mpa)	D	D1	D2	C	H	n-d
AT-SIN-QF001	15	1.6	130	95	45	14	180	4-∅14
AT-SIN-QF002	20	1.6	140	105	55	16	190	4-∅14
AT-SIN-QF003	25	1.6	150	115	65	16	220	4-∅14
AT-SIN-QF004	32	1.6	165	135	75	18	235	4-∅18
AT-SIN-QF005	40	1.6	180	145	85	18	255	4-∅18
AT-SIN-QF006	50	1.6	203	160	100	20	270	4-∅18
AT-SIN-QF007	65	1.6	220	180	120	20	310	4-∅18
AT-SIN-QF008	80	1.6	250	195	135	20	370	8-∅18
AT-SIN-QF009	100	1.6	280	215	155	22	430	8-∅18
AT-SIN-QF010	125	1.6	320	245	185	22	510	8-∅18
AT-SIN-QF011	150	1.6	394	280	210	24	590	8-∅23
AT-SIN-QF012	200	1.6	457	335	265	24	750	8-∅23
AT-SIN-QF013	250	1.6	533	506	320	26	850	12-∅23
AT-SIN-QF014	300	1.6	610	460	375	30	920	12-∅25

Silicon Nitride Ceramic Ball Valve V-Type

Silicon Nitride Ceramic Ball Valve V-Type
Item NO.	DN	NPS	H	L	D	D1	D2	n-d	b	f
AT-SIN-QF015	15	1 2"	170	108	90	60.3	34.9	4-M12	11.6	2
AT-SIN-QF016	20	3 /4"	180	117	100	69.9	42.9	4-M12	13.2	2
AT-SIN-QF017	25	1"	185	127	110	79.4	50.8	4-M12	14.7	2
AT-SIN-QF018	32	1-1/4"	220	140	115	88.9	63.5	4-M12	16.3	2
AT-SIN-QF019	40	1-1/2"	230	165	125	98.4	73	4-M12	17.9	2
AT-SIN-QF020	50	2"	247	178	150	120.7	92.1	4-M16	19.5	2
AT-SIN-QF021	65	2-1/2"	270	190	180	139.7	104.8	4-M16	22.7	2
AT-SIN-QF022	80	3"	310	203	190	152.4	127	4-M16	24.3	2
AT-SIN-QF023	100	4"	355	229	230	190.5	139.7	4-M16	24.3	2
AT-SIN-QF024	125	5"	430	356	255	215.9	157.2	4-M20	24.3	2
AT-SIN-QF025	150	6"	490	394	280	241.3	185.7	4-M21	25.9	2
AT-SIN-QF026	200	8"	590	457	345	298.5	215.9	4-M22	29	2

Drawing of Silicon Nitride Ceramic Ball Valve Eccentric

Silicon Nitride Ceramic Ball Valve Eccentric
Item NO.	PN (Mpa)	DN (mm)	H	L	D	D1	D2	n-d	C	F
AT-SIN-QF027	1.6	50	230	124	165	125	100	4-∅18	16	3
AT-SIN-QF028	1.6	65	237	145	185	145	120	4-∅18	18	3
AT-SIN-QF029	1.6	80	260	165	200	160	135	8-∅18	20	3
AT-SIN-QF030	1.6	100	270	194	220	180	156	8-∅18	20	3
AT-SIN-QF031	1.6	125	320	210	250	210	185	8-∅22	22	3
AT-SIN-QF032	1.6	150	340	229	285	240	211	8-∅22	26	3
AT-SIN-QF033	1.6	200	390	243	340	295	265	8-∅23	26	3
AT-SIN-QF034	1.6	250	420	297	405	355	319	8-∅26	30	3
AT-SIN-QF035	1.6	300	510	338	460	410	375	8-∅26	30	4

Technical Data of Silicon Nitride Materials

Si3N4 Type	Gas pressure sintering Si3N4	Hot pressing sintering Si3N4
Density (g/cm³)	3.2	3.3
Flexture strength (MPa)	700	900
Young Modulus (GPa)	300	300
Poisson's ratio	0.25	0.28
Compressive strength (MPa)	2500	3000
Hardness (GPa)	15	16
Fracture toughness (MPa*m^1/2)	5~7	6~8
Maximum working temperature (℃)	1100	1300
Thermal conductivity (W/m*K)	20	25
Thermal expansion coefficient (/℃)	3*10^-6	3.1*10^-6
Thermal shock resistance (ΔT ℃)	550	800

*This chart illustrates the standard characteristics of the silicon nitride materials commonly employed in the manufacturing of our Si₃N₄ products and parts. Please be aware that the attributes of customized silicon nitride products and parts may vary depending on the specific processes involved. Detailed parameter is decided by type and composition of stabilizing agent.

Usage Instructions

1. Select appropriate silicon nitride ball valve specification according to the temperature, pressure, flow and other parameters of the fluid, to ensure that the selected valve meets the requirements of use.

2. Before installation, check whether the appearance of the valve is normal and confirm whether the components are intact.

3. During the installation process, it is necessary to ensure that the valve is installed in the correct direction and avoid severe impact and vibration of the valve.

4. The valve shall be checked regularly during operation, to ensure that sealing performance is normal and no leakage, to ensure the safety and reliability of the valve.

Valuable Information

Si₃N₄ Ball Valve Packing

Silicon nitride ball valves are carefully packaged in appropriate containers to avoid any potential damage.

Customization Advantages

1. According to your application scenario, analyze the needs, choose the appropriate material and processing plan.

2. Professional team, quick response, can provide solutions and quotations within 24 hours after confirming the demand.

3. Flexible business cooperation mechanism, support at least one piece of quantity customization.

4. Quickly provide samples and test reports to confirm that the product meets your needs.

5. Provide product use and maintenance suggestions to reduce your cost of use.

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FAQ

Do you supply the materials unlisted on your website?

Although our primary focus is on advanced ceramic materials such as alumina, zirconia, silicon carbide, silicon nitride, aluminum nitride, and quartz ceramics, we are always exploring new materials and technologies. If you have a specific material requirement, please contact us, and we will do our best to fulfill your needs or find suitable partners.

Can you aid in material selection & ceramic product design?

Absolutely. Our technical team possesses profound knowledge of ceramic materials and extensive experience in product design. We are happy to provide you with material selection advice and product design support to ensure optimal performance for your products.

Do you have a minimum order value requirement?

We do not have a fixed minimum order value requirement. We always focus on meeting our customers' needs, and we strive to provide quality service and products regardless of the order size.

What services beyond ceramic products do you offer?

In addition to ceramic products, we also provide a range of additional services, including but not limited to: customized ceramic processing services based on your needs, using blanks or semi-finished blanks produced by yourself; if you are interested in outsourced ceramic packaging and metallization services, please contact us for further discussion. We are always committed to providing you with a one-stop solution to meet your various needs.

Do you offer international shipping services?

Yes, we do. No matter where you are located globally, we can ensure the safe and timely delivery of your order.

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