Worm wheel ceramic ball valve

Short Description:

All parts of ceramic ball valve in contact with the medium are made of structural ceramic materials. Its chemical stability and hardness are very high (Rockwell hardness hrc90), second only to diamond. Therefore, the valve has high wear resistance, corrosion resistance, erosion resistance, good heat insulation and small thermal expansion, which is widely used in power plant desulfurization system, washing and beneficiation system, fluid meteor control system, chemical industry and other strong corrosion occasions

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Characteristics of ceramic ball valve with worm gear

1. The thickness of valve shell exceeds the requirements of standard data, with three-stage structure design and solid shape. Beautiful appearance

2. The sealing surface is precisely ground to ensure zero leakage

3. All the materials in contact with the medium are structural ceramics with high wear resistance. Oxidation resistance and corrosion resistance

Application Specification for ceramic ball valve with worm gear

Design and manufacture	GB/T 12237-2005
Structural length	GB/T 12221-2005
Flange connection	GB/T 9113.1
Inspection test	GB/T 13927-92
Pressure and temperature	GB/T 12224
After the valve passes the test, it is necessary to eliminate the water in the cavity, dry the cavity with air, apply anti rust oil, and block the two ends of the diameter with covers.
The valve surface shall be painted according to the standard or customer’s requirements

Main parts and materials of worm wheel ceramic ball valve

Serial number	name	Material Science
1	End valve cover	WCB
2	Mesosoma	WCB
3	Middle sleeve	engineering ceramics
4	O-ring	Fluororubber
5	Flange sleeve	engineering ceramics
6	sphere	engineering ceramics
7	O-ring	Fluororubber
8	Disc spring	50CrVA
9	Septum	304
10	Stem	2Cr13
11	filler	PTFE
12	Hexagon nut	8级
13	Equal length double head nut	Outsourcing
14	Packing gland	WCB
15	Bracket
16	Worm gear
17	Large gasket	PTFE
18	valve seat	ceramics

Drawing of worm gear ceramic ball valve

Main connecting dimensions of worm wheel ceramic ball valve

DN	L	D	D1	D2	C	f	H	n-d
15	130	95	65	45	14	2	86	4-Φ14
20	130	105	75	56	16	2	95	4-Φ14
25	140	115	85	65	16	2	108	4-Φ14
32	165	140	100	76	18	2	115	4-Φ18
40	165	150	110	84	18	2	115	4-Φ18
50	203	165	125	99	20	2	115	4-Φ18
65	222	185	145	118	20	2	115	4-Φ18
80	241	200	160	132	20	2	145	8-Φ18
100	305	220	180	156	22	2	188	8-Φ18
125	356	250	210	184	22	2	210	8-Φ18
150	394	285	240	211	24	2	260	8-Φ22
200	457	340	295	266	24	2	320	8-Φ22
250	533	395	350	319	26	2	368	12-Φ22