Ashcroft Type 700 Series Diaphragm Seals

For pressure instruments ranging from 30 inches H2O to 750 psi with large displacement actuators.

Ashcroft Type 702 Diaphragm Seal
Ashcroft Type 741 Diaphragm Seal

Starting at $628.29

Effective April 28th, 2025 Ashcroft has added a 5% surcharge to this product. The surcharge will appear as a separate line item on the order.

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Manufactured

By Ashcroft

Includes

FREE Ground Shipping on orders of $1,000 or more (some models excluded)
FREE Lifetime Tech Support

Availability

Usually ships in 3-4 weeks

Product Specs

Questions?
Call 1-800-884-4967 or email sales@instrumart.com. Open Mo-Th 8am to 5:30pm. Fr 8am to 5pm ET.

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Overview

Features

For pressure instruments from 30in H2O to 750 psi
Used in instruments with large displacement actuators
Diaphragm electron beam welded to isolator body
Furnished with fill/bleed connection
Process connection sizes 1/4 to 3 inches
Threaded or raised face process connection types
Glycerin, silicone, halocarbon, syltherm fill fluid options
316 stainless steel (other options available)

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:

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RETIRED

Description

Ashcroft Type 700 Series diaphragm seals are designed for use in instruments with large displacement actuators and for instruments ranging from 30 inches H2O to 750 psi. The Type 700 Series is available in many material combinations including 316SS, tantalum, titanium, hastelloy B, hastelloy C-276, and monel. The diaphragm electron beam comes welded to the isolator body. This unit is used for applications requiring an impermeable metallic diaphragm.