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Integrated high temperature ball valve

A valve is a mechanical device that controls the flow rate, flow direction, pressure, temperature, etc. of a flowing fluid medium. Valves are the basic components in piping systems. Valve fittings, like pumps in technology, are often discussed as a separate category.

Key words:

Classification:

Cast steel valve series

Product Consulting:

Description


A valve is a mechanical device that controls the flow rate, flow direction, pressure, temperature, etc. of a flowing fluid medium. Valves are the basic components in piping systems. Valve fittings, like pumps in technology, are often discussed as a separate category. The valve may be operated manually or with a hand wheel, handle or pedal, and may also be controlled to vary the pressure, temperature and flow rate of the fluid medium. The valve can perform continuous or repeated operations on these changes, such as safety valves installed in hot water systems or steam boilers. In more complex control systems, automatic control valves are used as required by external inputs (I. e., to adjust the changing set point of the flow through the pipeline). The automatic control valve does not need to be manually operated according to its input and setting, so that the valve can accurately control the various requirements of the fluid medium. Valves can also be divided into cast iron valves, cast steel valves, stainless steel valves, chromium molybdenum steel valves, chromium molybdenum vanadium steel valves, dual phase steel valves, plastic valves, non-standard customized valve materials, etc.

◆ Product use

The company's design of integrated high temperature ball valve is the use of new sealing material for the valve seat, with similar products do PTFE seal ball valve, service life increased by 3-5 times. It has the advantages of stable performance, reliable sealing, low friction, light switch, high temperature resistance, wear resistance, oil resistance, corrosion resistance, long service life, etc., high temperature ball valve and globe valve, plunger valve, drain valve, the structure length is consistent, expanding the scope of use of ball valve, widely used in petroleum, chemical, rubber, paper, pharmaceutical and other industries, can replace stop valve, plunger valve, fast drain valve. Applicable medium: water, steam, heat conduction oil and other acids, the use of temperature: ≤ 350 ℃.

◆ Product implementation standards

Product Specification Design Specification Structure length Connecting flange TEST AND INSPECTION Pressure-Temperature
GB/T12237 GB/T12221 GB/T9113
HG/T20592
JB/T9092
API598
GB/T12224

 

◆ Main performance parameters

Model (MPa) Strength test pressure Seal test pressure
(MPa)
Applicable temperature
(℃)
Applicable media
QJ41M-16C 1.6 2.4 1.8 -28~ 300(M/F)

Heat transfer oil, water, steam, gas, oil and

Nitric acid, acetic acid corrosive medium

QJ41M-25C 2.5 4.0 2.8 -28~ 350(PPN)

 

◆ Material of main parts

Part Name Valve body Bonnet Sphere Stem Coating Sealing ring Handle
Materials WCB WCB Stainless Steel 20Cr13 Medium gray paint Composite metal seal ring cast iron

 

◆ Main outline connection dimension

Nominal pressure PN Nominal diameter
(DN)
Standard value Reference value
L D D₁ D₂  f     b    Z-Fd L0 H
PN1.6 MPa 15 130 95 45 65 2 16 4-14 150 105
20 140/130 105 55 75 2 16 4-14 150 110
25 150/140 115 65 85 2 16 4-14 160 120
32 165 135 78 100 2 18 4-18 180 140
40 180/165 145 85 110 3 18 4-18 250 155
50 200/203 160 100 125 3 20 4-18 300 175
65 222/220 180 120 145 3 20 4-18 300 195
80 250/241 195 135 160 3 22 8-18 320 225
100 280/305 215 155 180 3 24 8-18 320 250
125 320/356 245 185 210 3 26 8-18 360 270
150 360/394 280 210 240 3 28 8-23 360 290
200 400/457 335 265 295 3 30 12-23 450 350
250 533 405 320 355 3 32 12-25 450 405
PN2.5 MPa 15 130 95 45 65 2 16 4-14 150 105
20 140/130 105 55 75 2 16 4-14 150 110
25 150/140 115 65 85 2 16 4-14 160 120
32 165 135 78 100 2 18 4-18 180 140
40 180/165 145 85 110 3 20 4-18 250 155
50 200/203 160 100 125 3 20 4-18 300 175
65 222/220 180 120 145 3 22 8-18 300 195
80 250/241 195 135 160 3 22 8-18 320 225
100 280/305 230 160 190 3 24 8-23 320 250
125 320/356 270 188 220 3 28 8-25 360 270
150 360/394 300 218 250 3 30 8-25 360 290
200 400/457 360 278 310 3 34 12-25 450 350
250 533 425 332 370 3 36 12-30 450 405

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