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PRODUCTS > Pulp valve > Cast stone high antiwear slag valve

Cast stone high antiwear slag valve

Product model: BAPZ series
Nominal diameter: DN50~1000 (mm)
Nominal pressure: 1.0-10.0MPa
Suitable temperature: ≤1200℃
Applicable medium: pulp, slag, water
Body material: WCB/WC6/ZG16Mn, CF8/CF3, CF8M/CF3M, CD4MCu, 904L, 2520
Connection standards: GB/T9112-9124, HG20592-20605, JB/T74-90, ASME, B16.5, ASME, B16.47

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[Essential information]

       Specification for design of high antiwear slag discharging valve with reference to the implementation of GBT12234, is the study of common I company and the United States and the majority of users Webster company, according to the problems in use, has experienced four generations of product optimization and improvement of the domestic and foreign advanced wear-resistant slag valve products, has won the national patent. The patent No. 201220482529.8. The product uses straight flow design, short length of the structure, compressive ability, suitable for nominal pressure 1.0-10.0MPa, nominal diameter DN50-DN1000, which solves the conventional flat knife gate valve often used in similar conditions of leakage, gate thin anti pressure deformation in serious leakage, suitable working conditions of small pressure range etc..

[Valve structure drawing]


[Standard parameter]

Design standardGB/T12234
Connection standardGB/T9112-9124、HG20592-20605、JB/T74-90
Structural lengthGB/T12221
Test and testGB/T13927、JB/T9092


[Valve features]
1, high carbon steel, slag anti-wear valve castings of stainless steel or dual phase steel material, Silica Sol precision casting process, casting dimension precision, surface roughness can reach CT4-6, Ra6.3-12.5 valve, clean and beautiful appearance, no casting defects.
2, the product is in the structure of the valve cover will be increased, the conventional flat gate knife gate valve seal into the stem seal, the seal forms a simpler and more effective, prevent the occurrence of leakage, the valve protection work in the field and operating environment.
3, the valve adopts parallel gate and inclined angle of 5 degrees wedge combination structure, compared with the conventional plate knife gate valve, strength and pressure resistance ability, no deformation, sealing performance better. When the valve is closed, the extrusion pressure provided by the 5O wedge enables the sealing surface of the parallel gate to form sufficient sealing on the sealing surface of the valve body to prevent the leakage of the valve.
4, before the parallel gate valve and 5 degree wedge design with spherical washer, the spherical washer can be in in the process of closing the valve, the wedge inclined 5 degrees according to the outlet of the valve body inclined angle, automatically adjusted to a certain angle in the circle, the inclined wedge to 5 degrees in the body posted on the outlet slope better, can produce thrust extrusion inclined outlet of the valve body evenly delivered to parallel gate, can effectively eliminate the error trace two produced in the processing time, simplify the product processing and assembly process.
5, the gate off effect, can effectively solve the leakage phenomenon of slag and fiber media gateway rear.
6, the stem is made of stainless steel, after heat treatment, the overall processing, and 5 degrees wedge through the "T" groove connection, to ensure the strength of the stem.
7, the valve body and gate sealing surface can be welded hard alloy or spray WC treatment, the flow channel can be painted in accordance with customer needs WC, ceramic powder, in order to improve the wear resistance of products.
8, the valve outlet flow channel structure is reasonable, the design has automatic slag mouth, no residue, open and close flexible, non blocking.
9, optional drive mechanism, the commonly used driving types are manual, bevel gear drive, electric, pneumatic, hydraulic, etc., which can meet the needs of simple drive, but also to meet the needs of remote automatic control.

[Adaptive condition]
       Widely used in the iron and steel industry blast furnace water slag and slag discharge system, phosphate rock, phosphorus chemical, iron ore, copper ore, aluminum ore pulp, as well as coal, chemical, sulfuric acid and other liquid pipe network, power plant slag system and so on.


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