25mm (1") Spirax Non Return Valve
Type DCV3 Spring 0.7 BarG
The Spirax Sarco DCV2/B Feed Check Valve Is Installed In The Boiler Feedwater Line Between The Feedpump And The Boiler. The Spring In The Check Valve Supports The Head Of Water In The Elevated Feedtank When There Is No Pressure In The Boiler, Preventing The Boiler Flooding. Under Normal Steaming Conditions The Check Valve Operates In A Conventional Manner To Stop Return Flow From The Boiler Entering The Feedline When The Feedpump Is Not Running. When The Feedpump Is Running Its Pressure Overcomes The Spring To Feed The Boiler As Normal.
The Valve Body Is Designed To PN40 And Is Suitable For Maximum Feedpump Pressures Of 40 Bar G (580 psi g). The Valve Must Not Be Used On Any Fluids Categorised As Group 1 According To The E.C. Directive On The Classification Of Dangerous Substances, i.e. Explosive, Flammable, Toxic And Oxidising Substances.
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