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Brands Register products

Parker's Autoclave Engineer’s Cone and Thread Fittings (SF Series)

Parker Autoclave Engineers medium pressure cone and thread connections are designed for applications that require higher flow rate capability.

Working pressures to 20,000 psi (1379 bar)

Coned-and-threaded connection designed to permit larger bore sizes increased flow rates

Tubing sizes are 1/4', 3/8', 9/16', 3/4', and 1”

Connection weep holes for safety and leak detection

Fittings manufactured from cold worked 316 stainless steel

Operating temperatures from -40ºF (-40ºC ) to 248ºF (120ºC)

Available in special materials

EC-79 Certified

See our cone and thread fittings with all variants in our guide

Cone and thread fittings are available with different sizes and specifications. For details click here.

Introduction: Parker Autoclave Engineers Medium Pressure Cone and Thread connections were created for those applications that require higher flow rate capability.

Pressure: Designed for a maximum of 20,000 psi MAWP using high tensile strength cold worked 316 Stainless Steel material as standard. In addition we offer even larger ID tubing de-rated to 15,000 psi for maximum flow rate capability. This Medium Pressure series has all the benefits of the High-Pressure version with all metal sealing, temperature ranges from -423° to 1200°F (-252° to 650°C).

Materials: Many different material options are available like 2507 Super Duplex, Hastelloy C276, 6Mo (25-4SMO), and Inconel 625 to mention just a few. Special materials available when corrosion, temperature, or NACE/ISO 15156 requirements demand See the technical data sheet for more details.

Size: Parker's Cone and Thread Fittings are available from sizes 1/4', 3/8', 9/16', 3/4', 1' and 1-1/2'

Temperature: Operating Temperatures from -423° to 1200°F (-252° to 650°C)

Design: Fittings and tubing found in this section are designed using ASME B31.3 Chapter IX standards to be compatible withour 15SM & 20SM, 20DBNV, 20DV Needle Valves, and all of our various ball valve configurations including Subsea. There is a Parker Instrumentation fitting for just about any application of fluids under extreme pressure and/or temperature condition.

Application areas

On-board hydrogen-powered vehicles

General hydrogen use

High pressure test panels

Offshore skid panels

Chemical injection

High pressure gas systems