Manual gate valve Z41H-16C DN150

Manual gate valve Z41H-16C DN150It is a manual gate valve model suitable for medium and low pressure working conditions, especially for occasions that require manual operation. The following is a detailed description of the valve:

1. Model analysis

Z: Indicates that the valve type is a gate valve (Zha Fa, pinyin first letter).

4: The connection form is flange connection.

1: The structural form is a wedge type single gate with a clear rod.

H: The material of the valve seat sealing surface is stainless steel (Cr13 series stainless steel).

16: The nominal pressure is 16 kilograms (PN16, which is 1.6 MPa).

C: The valve body material is carbon steel (WCB, cast carbon steel).

DN150: Refers to a nominal diameter of 150mm (6 inches).

2. Main features

Manual operation: Manually control the opening and closing of the valve through a handwheel or handle.

Good sealing performance: The sealing surface of the valve seat is made of stainless steel material, which is wear-resistant and reliable in sealing.

Low flow resistance: When fully open, the flow channel is straight and the fluid resistance is low.

High temperature and high pressure resistance: suitable for medium and low pressure conditions, with a maximum working pressure of 1.6MPa.

Simple structure: easy maintenance, long service life.

3. Material

Valve body: Carbon steel (WCB), with good strength and high temperature resistance.

Gate: Stainless steel (Cr13 series), corrosion-resistant and wear-resistant.

Valve seat sealing surface: stainless steel (Cr13 series), corrosion-resistant and wear-resistant.

Valve stem: stainless steel, corrosion-resistant and high strength.

Packing: Graphite or polytetrafluoroethylene (PTFE) is usually used to ensure sealing at the valve stem.

4. Applicable working conditions

Media: Non corrosive or weakly corrosive media such as water, steam, oil, gas, etc.

Temperature range: -29 ° C to 425 ° C (depending on the sealing material).

Pressure range: nominal pressure PN16 (1.6MPa).

Nominal diameter: DN150 (150mm, 6 inches).

5. Application Fields

Petrochemical industry: used for controlling media such as oil and steam.

Electricity: used for boiler feedwater, steam systems, etc.

Water treatment: used for tap water, sewage treatment, etc.

HVAC: Used for controlling hot and cold water systems.

General industry: used for switching and regulating gas and liquid media.

6. Installation and maintenance

Installation precautions:

Before installation, check the valve cavity and sealing surface to ensure there are no impurities or damage.

When connecting flanges, the bolts should be tightened evenly to avoid leakage.

Pay attention to the flow direction of the medium during installation, and the flow direction of the medium for gate valves is generally bidirectional.

Maintenance and upkeep:

Regularly inspect the wear of the gate and valve seat, and replace damaged components in a timely manner.

Regularly lubricate the valve stem to ensure flexible operation.

When not in use for a long time, the valve should be closed and the interior should be kept clean.

7. Advantages and disadvantages

Advantages:

Simple structure and easy maintenance.

Good sealing performance and long service life.

Low flow resistance, suitable for situations with low flow resistance requirements.

Disadvantages:

Not suitable for situations where flow is frequently adjusted.

Manual operation, not suitable for remote control or automation systems.

8. Selection suggestions

Choose the appropriate sealing material based on the properties of the medium, such as corrosiveness, temperature, and pressure.

Select appropriate valve specifications based on pipeline size and pressure rating.

If frequent flow regulation is required, it is recommended to choose valves with better regulation performance (such as V-shaped ball valves or regulating valves).

Manual gate valve Z41H-16C DN150It is a type of valve that is suitable for medium and low pressure and requires manual operation. It is widely used in fields such as petrochemicals, electricity, and water treatment, and is an important component in industrial fluid control.