Spence 770 Series Valves

Spence Figure 770

RSL/RSL-S Safety Relief Valve

Figure 770/775 series is used in liquid services ranging from tanks,pump,pipe lines and other vessels containing non-corrosive liquid, and where large relieving capacities are not required. Equipped with an adjustable blowdown ring and a Teflon seat for improved seat tightness.

The 770 Bronze valve sizes range from 1/2" to 2" while the 775 Stainless Steel sizes are 1/2 - 1". Both valve types are capable of pressures to 300 PSIG at 300°F.