Flanged Diaphragm Seal-Extended Type

Flanged seals with extended diaphragms are designed for high-viscosity, crystallizing, corrosive, and high-temperature media. The extended diaphragm can reach into thick-walled vessels or isolation tanks and pipes, making them suitable for installation in complex environments.


  • Process Connection: Flange connections as per ASME B16.5 (RF/RTJ), EN 1092-1 (form B1), and JIS B 2220 (RF)
  • Instrument Connection: G ½, G ¼, ½ NPT, other threads on request
  • Extension sizes: as per customer requirements
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    Product Detail

    Product Tags

    Product Description

    Flanged seals with extended diaphragms isolate pressure gauges from the medium, preventing damage from corrosive, viscous, or toxic media.

    The extended diaphragm seal design makes it suitable for thick-walled vessels, insulated pipes, or containers, effectively avoiding measurement interference caused by insulation or vessel wall thickness.

    Specifications

    Product Name Flanged Diaphragm Seal-Extended Type
    Process Connection Flange connections as per:

    ▪ ASME B16.5, RF/RTJ

    ▪ EN 1092-1, form B1

    ▪ JIS B 2220, RF

    Extension sizes as per customer requirements
    Flange Body Material Stainless steel 316L, Hastelloy C276, titanium, Monel alloy, Other materials on request
    Diaphragm Material Stainless steel 316L, Hastelloy C276, titanium, tantalum, Monel alloy, Other materials on request
    Instrument Connection G ½, G ¼, ½NPT, other threads on request
    Optional The following configurations are customizable:

    ▪ Other Flange

    ▪ Flushing ring

    ▪ Capillary tube

    ▪ Coating (Gold, Rhodium, PFA, and PTFE)

    Flanged diaphragm seals can be customized as per customer requirements.

    Features

    • Extended diaphragms can be customized to requirements (diameter, length, material)
    • Suitable for thick-walled or isolated tanks and pipes
    • Flanges according to ASME/ANSI B 16.5, DIN EN 1092-1, or other standards
    • Flange and diaphragm materials are available on request

    Applications

    Flanged diaphragm seals with extended diaphragms are suitable for high-viscosity, easy-to-crystallize, corrosive, and high-temperature media, and can be used for pressure measurement in thick-walled containers, pipelines, and other processes.


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