United Brass Works (257220) 99T 1/2 Swing Check with 99TDUnited Brass Works (257220) 99T 1 2 Swing Check with 99TD 1 2 swing check valve. Swing check valves are placed on return line after steam trap. It prevents back flow of water into steam trap. It needs back flow pressure to seal. Not recommended for pulsating or vibrating service. A metallic disc is included. Available in a variety of sizes. All sizes have 200 WSP. Part Number: 257220 Model: 99T

Steam Model No

Material: Brass

Flow Rate Will Vary With Pipe Size

baseboards

Model number 25A is a float-operated make-up water feeder for boiler receiver tanks with a tapped 1" FIP supply and 1" FIP equalizing connections

Connection sizes: 1/8"

Part Number: 296966

Model number 63 is a float-operated low water cut-off for steam or hot water boilers

1/4" Connection 10" Length Includes (2 ) 1/4" nuts for attaching rod to ball

Product Features 1″ NPT

Double Female Complies with MSS-SP80-2013 Class 300 100% Pressure Tested Globe Pattern Rising Stem with Swivel Disc Holder Calibrated "Easy to Read" Gauge with Pointer

The United Brass slow opening boiler blow off valve has been designed for the rugged service of boiler treatment and scale