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Diaphragm Seals - Ashcroft
Extend the life and accuracy of your pressure measurement instruments with our high-quality diaphragm seals. Designed to protect gauges, transmitters, and switches from corrosive, viscous, or high-temperature process media, diaphragm seals provide a safe barrier without sacrificing measurement precision. Our selection includes threaded, flanged, inline, and sanitary diaphragm seals, available in a variety of materials, pressure ratings, and connection types to fit your specific application. Commonly used in chemical processing, oil and gas, water treatment, food and beverage, and pharmaceutical industries, these seals help maintain system integrity and reduce costly downtime. Built for durability and compliance, our trusted-brand diaphragm seals deliver leak-free performance, easy maintenance, and long-lasting reliability, making them an essential choice for demanding environments.
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The Ashcroft® 310 and 315 mini-diaphragm seals protect pressure measuring instruments. Used to ensure process compatibility, they are also applied when process media exhibit pulsation and the potential for plugging or freeze-up. An ideal choice for limited space installations.
The Ashcroft® 100 and 101 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or has the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 100 and 101 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or has the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 200 and 201 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 200 and 201 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 320 in-line quick-connect diaphragm seals are designed to provide immediate dismantling and reassembly for cleaning process media between scheduled process runs for pharmaceutical and biotech applications. A very useful selection for those applications that do not require 3A sanitary ratings.
The Ashcroft® 320 in-line quick-connect diaphragm seals are designed to provide immediate dismantling and reassembly for cleaning process media between scheduled process runs for pharmaceutical and biotech applications. A very useful selection for those applications that do not require 3A sanitary ratings.
The Ashcroft® 200 and 201 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 310 and 315 mini-diaphragm seals protect pressure measuring instruments. Used to ensure process compatibility, they are also applied when process media exhibit pulsation and the potential for plugging or freeze-up. An ideal choice for limited space installations.
The Ashcroft® 100 and 101 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or has the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 100 and 101 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or has the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 200 and 201 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 310 and 315 mini-diaphragm seals protect pressure measuring instruments. Used to ensure process compatibility, they are also applied when process media exhibit pulsation and the potential for plugging or freeze-up. An ideal choice for limited space installations.
The Ashcroft® 100 and 101 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or has the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 100 and 101 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or has the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 200 and 201 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 200 and 201 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 320 in-line quick-connect diaphragm seals are designed to provide immediate dismantling and reassembly for cleaning process media between scheduled process runs for pharmaceutical and biotech applications. A very useful selection for those applications that do not require 3A sanitary ratings.
The Ashcroft® 320 in-line quick-connect diaphragm seals are designed to provide immediate dismantling and reassembly for cleaning process media between scheduled process runs for pharmaceutical and biotech applications. A very useful selection for those applications that do not require 3A sanitary ratings.
The Ashcroft® 200 and 201 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 310 and 315 mini-diaphragm seals protect pressure measuring instruments. Used to ensure process compatibility, they are also applied when process media exhibit pulsation and the potential for plugging or freeze-up. An ideal choice for limited space installations.
The Ashcroft® 100 and 101 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or has the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 100 and 101 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or has the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
The Ashcroft® 200 and 201 threaded diaphragm seals protect pressure measuring instruments. Used when process compatibility is required, these are also applied when media exhibit high temperature or the potential to clog an instrument connection. Ideal for satisfying many challenging applications.
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About NISCO Inc.
NISCO offers a wide range of pressure gauges & instruments, diaphragm seals, thermometers, valves, and flow control products to the industrial and commercial marketplaces, as well as other resellers like ourselves. We can also provide other value-added services such as gauge repair, NIST traceable calibration, diaphragm seal assembly, and valve automation. NISCO takes pride in providing extensive product knowledge, helpful customer service, and market competitive pricing to help fit whatever need you may have because it is our goal to be regarded by our customers as the best supplier of pressure, temperature, and flow control products.