Brass 1-Piece Poppet Check Valve, Adjustable Pressure, 1/4 in. FNPT, 3 to 50 psig (0.21 to 3.5 bar)

Features: Working pressures up to 6000 psig (413 bar); Adjustable and fixed cracking pressures Variety of end connections; 316 stainless steel and brass materials

Features: Step-by-step identification procedure for threads and end connections.

Loosen locking screw by turning counter clockwise; Slide hex wrench down into adjusting screw; Turn both screws clockwise to increase cracking pressure, counter-clockwise to decrease.

Procedure for installing Swagelok tube fittings in sizes over 1 inch or 25 mm.

This document specifies guidelines used by Swagelok® Company and its suppliers to ensure compliance with product cleanliness requirements as stated in ASTM G93 Level C. Application of the document is limited to wetted system components. This document must be used in conjunction with product catalogs, technical bulletins, and reports.

Swagelok® Specification SC-10 defines the cleaning, lubrication, assembly, and packaging requirements for standard Swagelok products and describes practices used to meet these requirements.

Valve sizing often is described by the nominal size of the end connections, but a more important measure is the flow that the valve can provide. And determining flow through a valve can be simple.