Catawissa 4.00 in. Fig 400 Steel Hammer Union

The Catawissa Fig 400 4 in. Hammer Union is designed for extra high-pressure applications such as oilfield, steam, and gas service. Built from robust forged steel, it delivers superior durability, impact strength, and corrosion resistance under demanding industrial conditions. The precision-machined metal-to-metal sealing surfaces ensure a tight, leak-free connection. Rated for 4,000 PSI working pressure and 6,000 PSI test pressure, it provides reliable and secure performance for high-stress operations.

Features

• Forged steel construction ensures strength and durability for extreme pressure environments.
• 4 in. NPT female ends provide quick, tight threaded connections for efficient assembly.
• 4,000 PSI working pressure suitable for high-pressure oilfield and steam applications.
• Metal-to-metal seal delivers a secure, leak-free joint without gaskets.
• Precision machining ensures accurate alignment and compatibility with other Fig 400 hammer unions.

Specifications

• Brand: Catawissa
• Size: 4 in.
• Figure Number: 400
• Material: Forged Steel
• Connection Type: NPT Female Threaded Ends
• Seal Type: Metal-to-Metal
• Working Pressure: 4,000 PSI
• Test Pressure: 6,000 PSI
• Applications: Oilfield, Steam, Gas, and Industrial High-Pressure Service
• Usage: Extra High-Pressure Industrial and Oilfield Environments

Downloads

Specification Sheet (PDF Download)

Product Literature (PDF Download)