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  • Sapag Series 8400/8500/8490/8590 Safety Relief Valves
Sapag-P-P000324

Sapag Series 8400/8500/8490/8590 Safety Relief Valves

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Product Description

Sapag series 8400 and 8500 safety relief valves for API-526 process applications

Features

  • Improved, rugged nozzle ring design.
  • Improved disc insert retention for ease of maintenance.
  • Standard Inconel 625 bellows and flange material for superior corrosion resistance, longer service life and a wider range of applications.
  • Universal disc holder allows for simple and cost-effective conversions from conventional to balanced bellows design.
  • Standard threaded bellows design for ease of maintenance and conversion from conventional to balanced bellows design.
  • Improved corrosion resistance with standard 316 stainless steel adjusting bolt lock nut and nozzle ring set screw materials.
  • Field proven liquid trim style for stable, non-chattering operation on liquid and gas service.
  • Standard chrome steel spring for an operating range of -28°C to +343°C.
  • Easily converted to any type cap or lifting lever construction, liquid trim, soft-seat or balanced bellows configurations.
  • Test Gag/Plug supplied as standard.

Documents & Drawings