Bypass Valves

Bypass Relief Valves feature Teflon® construction.
Bypass Valves

Bypass Relief Valves feature Teflon® construction.

Series RVT angle pattern relief valves have Teflon® shaft and body for use with corrosive and ultra-pure liquids, and for elimination of sticking and surging. Pipe sizes range from 1/4 to 2 in. with various seal materials including Buna-N, Viton, and EPDM. Flow rates range from 2 gpm, and set pressures range from 5 to 150 psi. Valves relieve excess pressure in piping systems, as well as prevent...

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Thermostatic By-pass Valve permits zone control.
Bypass Valves

Thermostatic By-pass Valve permits zone control.

Three-way valve is designed for new or retrofit fin-tube baseboard installations that use non-electric thermostat. It comes with compression fittings for 3/4 in. copper tube, and is installed ahead of fin-tube in supply side, where radiation enters room. No. 320 liquid-filled thermostat provides quick response to temperature changes. From low freeze protection setting of 43-°F, it may be set in...

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