300-301 Threaded Diaphragm Seals

The Ashcroft^® 300 and 301 threaded diaphragm seals or isolation devices protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibits high temperature or the potential to clog an instrument connection. Ideal for satisfying many challenging applications.

Key Features:

• Wide selection of diaphragm and lower housing materials
• Diaphragm (elastomer) clamped between top and bottom housings
• Flushing port (type 301) provides easy cleaning / flushing due to process media prone to clogging

Specifications:

• Style:
  Type 300: threaded
  Type 301: threaded with flushing port
• Process size:
  NPT female or G female: 1/4" to 1 1/2"
  NPT male or G male: 1/4" to 1"
• Rated 14 bar up to 172 bar