LZ900X Immediately Halt the flow of fluid Emergency Shutdown Valve

| Categories | Hydraulic control valve |
|---|---|
| Trademark/Brand | GARLOS |
| Model | L900X |
| Nominal Pressure | 1.0/1.6/2.5MPa |
| Shell Test Pressure | 1.5/2.4/3.75MPa |
| Seal Test Pressure | 1.1/1.76/2.75MPa |
| Suitable Medium | Water |
| Medium Temperature | 0-80℃ |
| Update Time | Oct 25,2025 |
Brief Introduction
LZ900X Emergency Shutdown Valve is a valve for water supply system in which fire water and domestic water are connected in parallel, to adjust water supply direction. When a fire occurs, fire in urgent need of water, domestic water valve will be cut off immediately to ensure adequate fire water. When the fire stopped using water, the valve automatically opens, being normally open state, restore domestic water supply. The valve can make system no need a separated dedicated fire water supply network, greatly saving construction costs and water consumption. Valve control of high sensitivity, safe, reliable, easy adjustment, long service life.
Parameters
Nominal Pressure | Shell Test Pressure | Seal Test Pressure | Suitable Medium | Medium Temperature |
1.0 MPa | 1.5 MPa | 1.1 MPa | Water | 0-80℃ |
1.6 MPa | 2.4 MPa | 1.76 MPa | ||
2.5 MPa | 3.75 MPa | 2.75 MPa |
Material

Part Name | Material |
Valve Cap | Gray cast iron, Ductile iron, Carbon steel, Stainless steel, etc. |
Spring | Spring steel, Stainless steel, etc. |
Diaphragm depressor | Gray cast iron, Ductile iron, Carbon steel, Stainless steel, etc. |
Diaphragm | NBR, PTFE, etc. |
Valve Rod | 45# steel, Stainless steel 2Cr13, 1Cr18Ni9Ti, etc. |
Valve Platen | Gray cast iron, Ductile iron, Carbon steel, Stainless steel, etc. |
Sealing Ring | NBR, PTFE, etc. |
Sealing Ring Platen | Gray cast iron, Ductile iron, Carbon steel, Stainless steel, etc. |
Valve Seat | Copper alloy, Stainless Steel |
Valve Body | Gray cast iron, Ductile iron, Carbon steel, Stainless steel, etc. |
Installation

Dimension

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