Reinforcement pipe - Chemical industry

1. Manufacturing standard: GB/T12361-2016;

2. Pressure level: PN80

3. Product material: 30403

4. Production process: forging, roughing, heat treatment, finishing, milling.

5. Product features: Strong acid and alkali resistance, high temperature resistance, long service life, smooth surface, and corrosion resistance.

6. Scope of application: Chemical industry.

Engineered for demanding chemical processing environments, our Reinforcement Sleeves (or Pressure Vessel Reinforcement Collars) are critical safety components installed directly onto pressure vessel shells.

Crafted from premium Grade 30403 (UNS S30403) austenitic stainless steel, these sleeves offer exceptional corrosion resistance, essential for longevity and reliability when exposed to aggressive chemicals and media. Their primary function is to provide robust localized reinforcement at vessel openings or connection points, ensuring structural integrity under high pressure and during the critical rolling operation of mating components.

Manufactured to exacting standards, each sleeve undergoes a rigorous multi-stage process: initial rough machining, precision heat treatment for optimal material properties, secondary machining for dimensional accuracy, followed by specialized surface hardening (quenching) to enhance wear resistance at critical contact points, and finally, thread tapping for secure and precise assembly. This meticulous production sequence guarantees superior dimensional stability, exceptional strength, and long-lasting performance in the most challenging pressure vessel applications.

Dedicated to maintaining the highest standards of technical discipline and product reliability, we provide customers with secure, consistent, and top-tier products. Through unwavering commitment and proactive development, we produce high-caliber products that fulfill client requirements and ensure superior service. Interested in our products? Reach out to us at any time—we are eager to offer you wholehearted support.

✅ 18+ Years Manufacturing Expertise

✅ Direct Factory Pricing

✅ Technical Support for Installation & Selection

✅ Compliance with API, CE, and ASME Standards