SMC high purity series LVA valve has three types of body materials (SUS/PPS/PFA) that can be selected based on the customers application. Special diaphragm construction insures gentle opening and closing that prevents the formation of micro-bubbles. A, High purity chemical liquid valve, HIGH PURITY CHEMICAL VALVE, AIR OPERATED, 0.18 lb
Air/Manually Operated High Purity Chemical Valve Series LV Double acting Suck back Single type P P P A B A B Unit Single type Unit Air Operated Threaded Type Series LVA P.7 to P.14 LVA10 LVA20 LVA30 LVA40 LVA50 Model Orifice diameter 2 4 8 12 20 Port size Body material 1/8 1/4 1/8 1/4 1/4 3/8 3/8 1/2 1/2 3/4 SUS316 PPS PFA Valve type Type Symbol Basic type N.C. PA PB PA N.O. B A B A B A PB N.C. N.O.
LVA10 LVA20 LVA30 LVA40 LVA60 12 22 LVA50 Model Orifice diameter 2 4 8 20 Body material Note 1) Port size Stainless steel (SUS316) 1/8 1/4 1/8 1/4 1/4 3/8 3/8 1/2 1/2 3/4 1 PAX PPS Valve type PFA PB Type Symbol Basic type N.C. PA PB PA N.O. A B B A B A PB Double acting N.O. Double acting N.C. With flow rate adjustment PA PA N.C. B A B A Double acting PB Double acting N.C.
TL/TIL LQ3 Guideline for tightening torque (Number of turns) Breaking torque (Nm) Tightening torque (Nm) Size LVA20 LVA30 LVA40 LVA50 2 to 3 0.5 to 1 2 to 3 turns 6 to 8 2 to 3 3 to 4 turns 11 to 14 5 to 7 3 to 4 turns 18 to 20 8 to 10 3 to 4 turns Guideline for tightening torque Number of turns when the fitting is screwed into the body with 2 to 3 windings of sealant tape applied to threaded
radius mm Tubing roll length m 10 15 20 10 12 Series KP/TPH/TPS Clean Blowing System Related Equipment Air Operated Valve Series LV Low particulate generating valve with excellent corrosion resistance Threaded type/Series LVA (basic type) Note 1) PFA body not available for LVA10 Series Body material Port size Rc 1/8 1/4 3/8 1/2 3/4 Orifice size (mm) LVA10 Series LVA 2 Note 1) LVA20 4 PFA LVA30
10 15 20 10 1in = 25.4mm 1ft = 0.3048m 15 Series KP/TPH/TPS Clean Blowing System Related Equipment Air Operated Valve Series LV Low particulate generating valve with excellent corrosion resistance Threaded type/Series LVA (basic type) Note 1) PFA body not available for LVA10 Series Body material Port size Rc 1/8 1/4 3/8 1/2 3/4 Orifice size (mm) LVA10 Series LVA 2 Note 1) LVA20 4 PFA LVA30
10 15 20 10 1in = 25.4mm 1ft = 0.3048m 15 Series KP/TPH/TPS Clean Blowing System Related Equipment Air Operated Valve Series LV Low particulate generating valve with excellent corrosion resistance Threaded type/Series LVA (basic type) Note 1) PFA body not available for LVA10 Series Body material Port size Rc 1/8 1/4 3/8 1/2 3/4 Orifice size (mm) LVA10 Series LVA 2 Note 1) LVA20 4 PFA LVA30
LVA10 LVA20 LVA30 LVA40 LVA60 12 22 LVA50 Model Orifice diameter 2 4 8 20 Body material Note 1) Port size Stainless steel (SUS316) 1/8 1/4 1/8 1/4 1/4 3/8 3/8 1/2 1/2 3/4 1 PAX PPS Valve type PFA PB Type Symbol Basic type N.C. PA PB PA N.O. A B B A B A PB Double acting N.O. Double acting N.C. With flow rate adjustment PA PA N.C. B A B A Double acting PB Double acting N.C.