Discharge valves are manufactured of PFA/Boro 3.3/ceramic components
The Dispensette™ S discharge valve has a platinum-iridium valve spring; the Dispensette™ S Organic discharge valve has a tantalum valve spring
Discharge valves for the Dispensette™ S Trace Analysis are available with either a platinum-iridium or tantalum valve spring for specific applications (e.g., Pt-Ir valve for dispensing HF)
Available in two or three sizes: one for 1 mL and 2 mL models; one for 5 mL and 10 mL models; one for 25 mL, 50 mL and 100 mL models