Ashcroft

Trusted Measurement Instruments Since 1852

About Ashcroft

Ashcroft produces the world's most trusted measurement instruments in the industry. With over 160 years of experience, Ashcroft knows that quality drives impeccable results. Their ISO-9001 certified manufacturing facilities ensure rigorous testing and validation through agency approvals.

King Mechanical Specialty is an Authorized Distributor and is certified by Ashcroft to assemble, service and test diaphragm seals. We stock a large variety of gauges and instruments and can ship same day on most items.

Product Categories

Diaphragm Seals

Comprehensive line of diaphragm seals with over 30,000 possible variations.

  • Capsule type, welded, bonded, and clamped designs
  • Threaded, flanged, and flushing connections
  • Pre-assembled options available
  • Severe-service application solutions
Ashcroft Diaphragm Seals

Temperature Switches

Stainless steel construction for industrial and process applications.

  • Remote or direct bulbs
  • Set points from -40 to 750°F
  • Controls, alarm and shutdown applications
Ashcroft Temperature Switches

Pressure Switches

Reliable pressure monitoring up to 20,000 psi.

  • NEMA 4 and explosion proof housings
  • Controls, alarm and shutdown applications
  • Durable construction
Ashcroft Pressure Switches

Transducers & Transmitters

High quality and durable pressure measurement solutions.

  • Wide range of pressure specifications
  • Affordable pricing
  • Market-proven dependability
Ashcroft Transducers and Transmitters

Diaphragm Seal Types

Threaded Diaphragm Seals

Threaded Diaphragm Seals

Series 200-201 for direct threaded connections.

In-Line Threaded Diaphragm Seals

In-Line Threaded Seals

Series 104 for inline process connections.

Flanged Diaphragm Seals

Flanged Diaphragm Seals

Series 302-303 for flanged connections.

High Displacement Diaphragm Seals

High Displacement Seals

Series 702-703 for high displacement applications.

Contact Us About Ashcroft Products

Need assistance with Ashcroft product selection? Our certified team is ready to help with technical support, specifications, and application guidance.