RBW-125 – Precision Engineered Single Cartridge Seal

RBW-125 – Precision Engineered Single Cartridge Seal

Overview

HydroMax Seal RBW-125 | Metal Bellows Single Cartridge Seal with Quench, Drain & Flush Ports

The RBW-125 is a metal bellows, hydraulically balanced single cartridge seal equipped with quench, drain, and flush environmental ports, along with an outboard restriction bush for use with API Plan 62 and Plan 11 piping arrangements. Designed for parallel-rotating equipment shafts, this rotary bellows wet (RBW) seal features shrink-fitted seal faces and an O-ring secondary seal.

With material options including Hastelloy, AM350, and Inconel 718, the RBW-125 is well-suited for demanding applications that require superior thermal stability and chemical resistance. This seal comes factory assembled and tested to ensure reliable field performance.

Product Description

Design Features

  • Hydraulically balanced rotary metal bellows seal
  • Shrink-fitted seal faces for stability and long life
  • Flush, quench, and drain ports compatible with API Plan 11 and Plan 62
  • Outboard restriction bush for pressure control
  • Set screw driven for secure shaft engagement
  • O-ring secondary seals for effective dynamic sealing
  • Available in various high-performance bellows materials
  • Factory assembled and tested for ready-to-install performance

 

Technical Specifications

Seal Shaft Sizes 20mm – 100mm (1.000″ – 4.000″)
Inboard Seal Face Combinations Car/TC
Car/SiC
TC/TC
TC/SiC
SiC/SiC
Gasket Graphite
Bellows Material Options Stainless / Hastelloy / Stainless
Stainless / AM350 / Alloy C42
Inconel 625 / Inconel 718 / Inconel 625
Inboard Wetted Parts 316 Stainless Steel
Elastomers Viton
ERP
Aflas
Kalrez
Shaft Speeds Up to 20 m/s
Pressures Up to 16 Barg (232 psig) – Shaft Size Specific
Temperatures Up to 180°C (356°F) – Bellows material specific

WARNING:
Performance values are based on isolated variables. Do not apply maximum limits for pressure, speed, and temperature at the same time.

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Contact HydroMax Seal

Contact HydroMax Seal today for innovative solutions, expert guidance, and over a century of engineering excellence. Your journey to mechanical sealing excellence starts with HydroMax Seal!

E-Mail: sales@hydromaxseal.com
Address: 18511 Beaumont Hwy Building D Houston, TX 77049

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