4 Inch Pipe Joint

Our Carbon Steel Isolation Joints, manufactured in China, meet ASTM A694 F42 standards, with a 4-inch (DN100) size and rated for Class 900 LB (PN150) pressure applications. With a wall thickness of 7.14 mm, these joints provide robust isolation and durability in high-pressure systems, ideal for pipeline corrosion protection and reliable system performance in demanding industrial environments.

We manufacture rubber flexible joints in China with EPDM material and stainless steel 304L flanges. Designed in a 4-inch size, Class 150 LB rating, and RF flanged ends, these joints have a wall thickness of 7.14 mm, offering excellent flexibility, durability, and corrosion resistance for pipeline vibration absorption and stress reduction.

The ASTM A694 F65 Isolation Joint is a seamless, 4-inch joint designed for Class 300 LB pressure applications. With an outer diameter of 114.3 mm and a wall thickness of 6.02 mm, this SCH 40 joint is coated with anti-corrosion paint for enhanced durability. Ideal for pipeline systems, it provides reliable isolation and protection in demanding environments.

We Provide Chrome-nickel Steel Expansion Joints, Chrome-nickel Expansion Joints with Multi-layered Bellows, 4 Inch, DN100, Class 150 LB, PN20, and RF Flange.