Caratteristiche delle valvole a saracinesca a tenuta morbida e differenze rispetto alle valvole a saracinesca a tenuta rigida

Soft-sealed and metal-seated gate valves offer different ways to isolate a water line. A soft-sealed, or resilient-seated, design uses a flexible sealing material; a metal-seated design closes against metallic seating surfaces. The useful choice depends on the fluid, temperature and … Leggi tutto