1. Valve Model: DD2-150

• Type: Double Disc Valve
• Application: Typically used in high-pressure systems where tight shut-off is essential.

2. Valve Models: RF2-150, RF1-150, RF1-150

• Type: Pressure Relief Valves
• Application: These valves are designed to protect systems from overpressure by releasing excess pressure.

3. Valve Model: RF1420053.525.053.52

• Type: Pressure Relief Valve
• Application: Similar to the RF1 and RF2 models, this valve serves to protect systems from overpressure conditions.

4. Material Codes: WCC/WCB

• WCC: Indicates the valve body is made from carbon steel.
• WCB: Indicates the valve body is made from carbon steel with a higher carbon content, offering improved strength.

5. Serial Number: WCB4362874187072A11

• Purpose: This unique identifier is used for tracking the specific valve, useful for maintenance records and warranty purposes.