Pneumatic nylon plate butterfly valve

D671XN-16Q Pneumatic Nylon Plate Clamp Butterfly Valve

Product Introduction:

Product Features:

1. Using nylon butterfly plates, it has excellent wear reduction and self-lubricating properties, and the operating torque is reduced by 40% compared to ordinary butterfly valves;

2. The sealing surface has good wear resistance (nylon has seven times the wear resistance of copper), which can significantly extend the service life of butterfly valves. Compared with ordinary centerline butterfly valves, the service life can be significantly extended by three times;

3. Nylon material has no toxicity and is antibacterial and enzyme resistant, meeting the increasingly important requirements for green environmental protection;

4. Nylon has excellent alkali and salt resistance, resistance to weak acid corrosion, inertness to organic compounds, and a wide range of adaptability;

5. The optional no pin connection ensures the isolation between the medium and the metal, improves the reliability of the product, and simplifies the maintenance of the butterfly valve;

6. The connection size between the product and the pipeline flange meets the standards of existing butterfly valve products.

Design standards:

Technical Specifications:

Pneumatic actuator parameters:

Single acting pneumatic actuators are generally divided into normally open and normally closed types (normally open type: ventilation closed, gas cutoff open; normally closed type: ventilation open, gas cutoff closed). That is to say, there is a setting before installation, which sets it as open or closed. If it is normally open, it means that the pneumatic actuator closes the valve under ventilation. If the gas source fails or there is a sudden power outage, the single acting pneumatic actuator will automatically reset to the open state by the spring, which means it will return to its set state. If it is set as closed, it will return to the closed state. It is generally used more in dangerous working conditions, such as transporting flammable gases or liquids, and in emergency situations when the gas source is lost. At this time, single acting pneumatic actuators can automatically reset to reduce danger, while double acting actuators cannot reset.

The double acting pneumatic actuator opens the valve when it is ventilated, and can only be closed when the other side is ventilated. The double acting pneumatic actuator is reset by the cylinder and can only remain in place when the air source is lost.

Options for attachments:

According to different controls and requirements, the following attachments can be selected:

Cut off accessories: single electric control solenoid valve, dual electric control solenoid valve, limit switch feedback device.

Adjustable accessories: electrical locator, pneumatic locator, electrical converter.

Air source processing accessories: air filter pressure reducing valve, air source processing triad.

Manual mechanism: HVSD manual control mechanism

Explosion proof: Pneumatic accessories can be used for explosion-proof purposes

Explosion proof grade: EX d Ⅱ BT4 EX d Ⅱ CT6

Voltage: AC220V, AC380V, DC24V

Material of parts:

Performance specifications:

Sealing material and applicable temperature:

Outline structure diagram:

Main external connection dimensions:

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