Plunger valve factory and packaging transportation

For spool valves, the specifications and factory information should be clearly indicated in the following description and related data certificate of the plunger:

• Valve plunger size;
• Type of piston valve;
• Plunger pressure valve;
• Spool manufacturing standards;
• Material of the plunger valve body;
• Material of the plunger valve stem;
• Sealing material for the plunger valve;
• Shaft packing material for the plunger valve;
• Material of the plunger valve stem bushing;
• Internal and external anti-corrosion materials;
• Operation direction of the valve plunger;
• Number of revolutions required for operation;
• Closing torque working conditions;
• Manufacturer of the spool;
• Manufacture date of the spool;
• Serial number of the spool;
• Weight of the piston valve;
• Pore size, pore count, and center pitch of the flange connected to the plunger;
• Overall dimensions (length, width, height) of the spool as shown in the diagram;
• Flow resistance coefficient;
• Effective opening and closing times of the piston valve;
• Factory test data and installation/maintenance instructions for the spool.

Proper documentation and labeling are essential to ensure correct usage, maintenance, and compliance with industry standards. Always refer to the manufacturer’s guidelines when installing or servicing these components.