Diaphragm Seals

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Home | Diaphragm Seals | Non-Replaceable | Type 29 High Volumetric Displacement

 

Type 29 High Volumetric Displacement, Non-Replaceable Diaphragm Seals

 

 

  • An off-line seal with a threaded connection and all welded, all metallic housing
    design that does not utilize an o-ring or gasket
  • Can be used for remote mounting of pressure instrument(s) with capillary
  • Designed with a larger diameter diaphragm for higher displacement capability
  • A variety of upper and lower housing and diaphragm materials are available
    to suit most applications
  • A flushing port is available to clean wetted areas and prevent process
    media build up
  • Consider instrument size, pressure range, media composition, ambient and
    operating temperature, and maximum working pressure when selecting
  • Capillaries and cooling elements are available for elevated process temperatures,
    see accessories
  • Fill fluid must be compatible with process media; i.e. Glycerin may become
    volatile in conjunction with a strong oxidizing agent such as chlorine, forms of
    oxygen or peroxide and nitric acids
Tech Manual 

 

ORDERING INFORMATION

TYPE 29          
INSTRUMENT CONNECTION SIZES 02 1/4" NPT 04 1/2" NPT    
UPPER HOUSING MATERIALS M Monel 400 P Carpenter 20 S 316 Stainless steel
DIAPHRAGM MATERIALS H Hastelloy C-276 P Carpenter 201    
M Monel 4001 S 316 Stainless steel    
PROCESS CONNECTION SIZES 02 1/4" NPT 06 3/4" NPT    
04 1/2" NPT 08 1" NPT    
LOWER HOUSING MATERIALS H Hastelloy C-276 P Carpenter 20    
M Monel 400 S 316 Stainless steel    
FLUSHING CONNECTIONS 1F 1/8" NPT 2F 1/4" NPT    

    Please consult your local NOSHOK Distributor or NOSHOK, Inc. for availability and delivery information.
    1 When selecting a Monel or Carpenter 20 diaphragm, the upper and lower housing must be the same material.

 

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