SMC high purity series LVA valve has three types of body materials (SUS/PPS/PFA) that can be selected based on the customer's application. Special diaphragm construction insures gentle opening and closing that prevents the formation of micro-bubbles. A unique guide ring on the piston rod eliminates lateral motion of the poppet, greatly increasing seal life and reducing particle formation. <
Catalog: High Purity Chemical Valve B A N.C. 471 Series LVA Standard Specifications LVA20 LVA30 Model LVA10 LVA60 LVA50 LVA40 Orifice diameter 4 8 2 22 20 12 Port size 1/8, 1/4 1/8, 1/4 1/4, 3/8 1/2, 3/4 1 3/8, 1/2 Av x 10-6m2 1.7 8.4 40.8 144 192 79.2 Flow characteristics 0.07 0.35 1.7 6 8 Cv 3.3 Withstand pressure (MPa) 1 Operating pressure (MPa) 0 to 0.5 0 to 0.4 Note 2) 0.3 or less 0.15 or less 0.2 or less N.C./N.O.
Doc. no.LV40***-OMX0012 PRODUCT NAME AIR OPERATED VALVE SUCK BACK VALVE MODEL / Series / Product Number LVA/LVC Series Contents 1.Safety InstructionsP1 2. Precautions P2~4 3. LVC Series How to Order and Specifications P5~6 4. LVC Series(Suck Back) How to Order andSpecificationsP7 5. LVA Series How to Order and Specifications P8~9 6. Organic Solvents compatibleP10 7. Applicable FluidsP11 8
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Precautions on Handling (mm) Comparison of total cylinder length with standard style 20 Warning G13 25 G13 32 G13 40 G16 q Do not rotate the cover. When installing the cylinder or screwing a pipe fitting into the port, the coupling portion of the cover could break if the cover is rotated.
(mm) Comparison of total cylinder length with standard style 20 G13 25 G13 32 G13 40 G16 Mounting LBoss-cut basic (BZ) LBoss-cut trunnion (UZ) LBoss-cut flange (FZ) Conversion into the cylinder operating pressure: Selecting The Low Friction Direction To use the air cylinder as a balancer, pressurize it only from one of the ports as shown in the application example, and keep the other port