-
E-mail
shzgv@zhengvalve.com
- Phone
-
Address
No. 68 Xinsheng Road, Qingpu Industrial Park, Shanghai
Shanghai Zhenggang Valve Manufacturing Co., Ltd
shzgv@zhengvalve.com
No. 68 Xinsheng Road, Qingpu Industrial Park, Shanghai
【Structural characteristics of high-pressure angle balance valve】
1The valve disc does not have a through-hole, and the medium flows into the valve chamber from the valve disc to balance the medium received by the valve disc, resulting in a small opening and closing torque.
2The lifting valve stem structure is easy to open and has good sealing performance.
3adoptF-4Composite rubber sealing ring, with good sealing performance and resistance to acid and alkali corrosion
4Manufacturing acceptance standards,JB/T450-1992.
【Structural diagram of high-pressure angle balance valve】


【Performance parameters of high-pressure angle balance valve】
|
model |
Nominal pressure (Mpa) |
Test pressure (Mpa) |
Operating Temperature |
Applicable Medium |
|
|
seal |
intensity |
||||
|
J/L47Y-220/320C |
22 |
24.2 |
33 |
≤220℃ |
Nitrogen hydrogen ammonia |
|
32 |
35.2 |
48 |
|||
|
J/L47W-220/320R |
22 |
24.2 |
33 |
≤220℃ |
Urea Methylamine solution |
|
32 |
35.2 |
48 |
|||
【High pressure angle balance valve component materials】
|
part |
material |
|
|
J/L46Y-220/320C |
J/L446W-220/320R |
|
|
valve body |
high-quality carbon steel |
316L. Mod |
|
valve disc |
Chromium stainless steel |
316L. Mod |
|
Lower valve stem |
Chromium stainless steel |
316L. Mod |
|
stuffing box |
high-quality carbon steel |
316L. Mod |
|
'0' - shaped circle |
F-4 composite rubber ring |
F-4 composite rubber ring |
【Connection size of high-pressure angle balance valve】

【Precautions for installation of balanced high-pressure angle globe valve】
1) The installation position, height, and import/export direction must meet the design requirements, and the connection should be firm and tight.
2) All types of manual valves installed on insulated pipelines must not have handles facing downwards.
3) Before installing the valve, a visual inspection must be conducted, and the valve nameplate should comply with the current national standard "General Valve Marking" GB 12220. For valves with a working pressure greater than 1.0 MPa and a shut-off function on the main pipeline, strength and tightness tests should be conducted before installation, and they can only be used after passing the tests. During the strength test, the test pressure shall be 1.5 times the nominal pressure, and the duration shall not be less than 5 minutes. The valve shell and packing shall be qualified if there is no leakage. During the tightness test, the test pressure is 1.1 times the nominal pressure; The test pressure should meet the requirements of GB 50243 standard for the duration of the test, and it is considered qualified if there is no leakage on the sealing surface of the valve disc.