Type ST Series Diaphragm Seal Elements for Low Pressure - 2 Pages

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Type ST Series Diaphragm Seal Elements for Low Pressure

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Diaphragm Seals Type ST Series Diaphragm Seal Elements for Low Pressure DESCRIPTION Mansfield & Green ST Series diaphragm seals are specifically designed to protect electronic transmitters, transducers, and low pressure gauges against process Type SBT media damage in a wide range of process control and pipeline applications. Designed for transmitter applications where closed systems require low sensitivity, the ST series offer superior accuracy where greater volumetric displacements are required. Type ST seals feature a continuous duty design that permits instrument removal or replacement while a system is in operation without causing leakage of the process media. These seals include a metal diaphragm which is permanently welded to the seal’s instrument flange. The instrument or top flange and process or bottom flange are sealed with a non-asbestos aramid fiber gasket. Optional glass filled TEFLON® and TEFLON-coated stainless steel gaskets are also available. Ideal for protecting instrumentation from process media - Electronic transmitters - SMART transmitters - Transducers - Low pressure gauges • Ideal for process control and pipelines • Materials available for corrosive applications • Optional seal ratings to 3000 psig (207 bar) SEAL CONFIGURATIONS Threaded Seal Elements The SBT seal element can be used for pressure and vacuum applications and has a standard pressure rating of 1500 psig at 100°F (103 bar at 38°C) with an optional rating for up to 3000 psig (207 bar). The SGT seal element is similar to the SBT seal, except that it has a 1/4 NPT flushing connection. Flanged Seal Elements The SCT seal element can be supplied with standard ANSI Class ratings of 150, 300, and 600. The SDT series is similar to the SCT series except it is supplied with a 1/4” flushing connection. ALL ORDERS CAN BE SENT TO: On-line fax: 215-323-9450 or e-mail to usg.sales@ametek.com © 2008, by AMETEK, Inc. All rights reserved. Printed in the U.S.A. 908PDF (160166) Sales/Technical Support: 215-257-6531 900 Clymer Avenue Sellersville, PA 18960 U.S.A. Customer Service: 727-536-7831 8600 Somerset Drive Largo, FL 33773 U.S.A. Specifications are subject to change without notice. Visit our Web site for the most up-to-date information.

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Diaphragm Seals Type ST Series Diaphragm Seal Elements for Low Pressure MODEL ST SERIES SELECTION GUIDE SEAL TYPE SEAL MOUNTING OPERATING TEMPERATURE OPERATING PRESSURE PROCESS APPLICATION FLUSHING CONNECTION With Flushing Connection Flange Dependent Flange Dependent With Flushing Connection In-Line Flow Thru Jacketed Pipeline Butt Welded In-Line Flow Thru Jacketed Pipeline Flange Attached NOTE: 1 Optional 3000 psig available at 100°F (207 bar at 38°C) 2 These seals can be used for vacuum down to 29” Hg Application Note Thermal expansion or contraction, combined with unequal volumes on the...

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