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Siemens 7MF9411-5DC Screws and Sealing Rings

Siemens fastening kit: 4 stainless steel screws & 2 PTFE sealing rings.

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ManufacturerSiemens

Part number7MF9411-5DC

Screws 4x 7/16-20 UNF x 1 inch, Stainless Steel (ASME B18.2.1)

Sealing Rings 2x Flat PTFE

Max Pressure 420 bar (6092 psi)

Max Temperature 80 °C (176 °F)

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Includes 4 stainless steel screws Includes 2 PTFE sealing rings 7/16-20 UNF thread size Max pressure 420 bar Max temperature 80°C ASME B18.2.1 compliant screws

Product description

The Siemens 7MF9411-5DC kit includes four screws (7/16-20 UNF x 1 inch) made of stainless steel according to ASME B18.2.1, along with two flat sealing rings made of PTFE. This assembly is designed to withstand a maximum permissible pressure of 420 bar (6092 psi) and a temperature of 80 °C (176 °F).

These components are typically used for assembling or sealing pressure instruments, valve blocks, or other process connections in high-pressure industrial environments. The robust stainless steel screws and chemically resistant PTFE seals ensure reliable and leak-free connections.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 7MF9411-5DC. We are dedicated to providing quality industrial automation components, ensuring your equipment is supported with the right parts for optimal performance and longevity.

Technical specifications

Screws	4x 7/16-20 UNF x 1 inch, Stainless Steel (ASME B18.2.1)
Sealing Rings	2x Flat PTFE
Max Pressure	420 bar (6092 psi)
Max Temperature	80 °C (176 °F)
Manufacturer	Siemens

Common applications

Pressure instrument assembly

Valve block sealing

High-pressure connections

Chemical processing

Petrochemical industry

General industrial fastening

Compatible systems

Siemens Pressure Instruments Valve Blocks High-pressure industrial connections

Also known as

Siemens sealing kit 7/16-20 UNF screws and seals PTFE gasket set

Replaces / compatible with

This kit is designed for use with Siemens pressure instruments and valve blocks that require 7/16-20 UNF fasteners and PTFE seals for high-pressure applications. It is essential for maintaining the integrity of the connection.

Technical note

Expert tip

When assembling with the 7MF9411-5DC, ensure the PTFE sealing rings are properly seated and the stainless steel screws are torqued to the manufacturer's specifications to achieve a reliable seal up to 420 bar.

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Frequently asked questions

What is the temperature limit for the Siemens 7MF9411-5DC sealing rings?

The Siemens 7MF9411-5DC includes flat sealing rings made of PTFE, which have a maximum permissible operating temperature of 80 °C (176 °F). Exceeding this temperature may compromise the seal's integrity.