Starting at $107.13
  • Usually ships in 3-4 weeks



  • Compact size to fit space-restricted areas
  • Rated for 2500 psi at 100°F
  • Fill/bleed connection is standard
  • Available with male process connection (Type 315)
  • Process connection sizes: 1/4 & 1/2 (3/4 & 1 for 315 only)
  • 1/8 NPT or 1/4 NPT instrument connection sizes
  • Glycerin, silicone, halocarbon, or syltherm filling fluids
In a rush? Ashcroft Gold Service guarantees shipment within 3 to 5 days. Call us now at 1-800-884-4967 for additional information.

This product is an accessory for the following products:


Ashcroft Type 310/315 diaphragm seals fit into space-restricted areas and are designed to protect transducers, mini-switches, and protect pressure gauges with dial sizes 3.5 inch or smaller from corrosion, plugging or freeze-up. All welded metal construction prevents process media leakage. It is rated for 2500 psi at 100°F and has a 316L stainless steel top housing standard. Lower housing materials include 316L stainless steel, Hastelloy C, or Monel. Diaphragm materials include 316L stainless, Hastelloy C, or Tantalum. 1/4 or 1/2 NPT process connection sizes are available.