Diaphragm Seals

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Home | Diaphragm Seals | Non-Replaceable | Type 30/30H Standard & Elevated Pressure, Bolted

 

Type 30/30H Standard & Elevated Pressure, Bolted, Non-Replaceable Diaphragm Seals

 

 

  • Utilizes an all metallic diaphragm welded to the upper housing to allow field
    replacement of the lower housing while maintaining continuity of the
    measuring system
  • Can be used for remote mounting of pressure instrument(s) with capillary
  • A wide variety of instrument and process connections are available
  • 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

TYPES 30 (2,500 psi) 30H (5,000 psi)        
INSTRUMENT CONNECTION SIZES 02 1/4" NPT 04 1/2" NPT        
UPPER HOUSING MATERIALS C Carbon steel P Carpenter 20 U Titanium Grade 4    
M Monel 400 S 316 Stainless steel
DIAPHRAGM MATERIALS A Tantalum M Monel 4001 P Carpenter 201 U Titanium Grade 41
H Halstelloy C-276 N Inconel 600 S 316 Stainless steel    
SEAL GASKET MATERIALS F FEP encapsulated 0-ring (5,000 psi) T PTFE        
R Klingersil C-4401 (Rated to 1,500 psi) V FKM        
PROCESS CONNECTION SIZES 02 1/4" NPT 06 3/4" NPT 10 1-1/4" NPT    
04 1/2" NPT 08 1" NPT 12 1-1/2" NPT    
  (ASME and DIN flanges available upon request)    
LOWER HOUSING MATERIALS C Carbon steel M Monel 400 P Carpenter 20 U Titanium Grade 4
H Hastelloy C-276 N Inconel 600 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 400, Carpenter 20 or Titanium Grade 4 diaphragm, the upper and lower housing must be the same material.

 

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