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E-mail
zhejiangzhijie@163.com
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Phone
13806519115
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Address
Changkou New District, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province
Zhejiang Zhijie Valve Industry Co., Ltd
zhejiangzhijie@163.com
13806519115
Changkou New District, Changkou Town, Fuyang District, Hangzhou City, Zhejiang Province

The high-pressure differential control valve adopts a labyrinth multi-stage pressure reduction structure, allowing for large pressure differentials, resistance to cavitation and erosion, and low noise.
♦ Body Construction

1 |
valve body |
Body |
7 |
filler |
Packing |
2 |
valve seat |
Seat |
8 |
Packing gland |
Packing gland |
3 |
Maze sleeve |
Maze Cage |
9 |
nut | Nut |
4 |
valve stem |
Stem |
10 |
Double headed stud |
Doube-screw bolt |
5 |
grommet | Gasket |
11 |
Double headed stud |
Doube-screw bolt |
6 |
valve cover |
Valve bonnet |
12 |
nut |
Nut |
♦ Standard specifications
Form Type |
High pressure differential control valve |
Nominal diameter Body Size |
DN15~DN200 (1/2~8) |
Nominal Pressure Body Ratings |
PN100,160,220,250,320,420; ANSI Class600,900,1500,2500 |
Body&Bonnet Material for Valve Body and Cover |
A105, F304、F316, Forging 12Cr1MoV, WCB, CF8, CF8M |
Packing Packing |
V-PTFE/Flexible Graphite |
Gasket gasket |
GRAP+304, GRAP+316, PTFE |
Connection method: Connections |
Flange type (RF, MFM)/Welding type (SW, BW) Welding type (SW, BW) |
Coating Color |
Brown painting/Stainless steel valve body can be left unpainted. No painting on stainless steel valve body |
Valve cover type Bonnet Type |
Standard type, heat dissipation type, Fin Extension type |
Note: The above are only standard combinations, and specifications outside of this table are also possible depending on the operating conditions.