Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice 1 Air distribution Valves and solenoid valves poppet system 1 | 251 Series PVA, Pad valve for air 2/2 a ACTING DE=Double acting SC=Normally closed SA=Normally OPEN p PISTON N=Non magnetic M= Magnetic c CONNECTIONS A=G1/4" B=G3/8" C=G1/2" D=G3/4" E=G1" F=G1 1/4" G=G1 1/2" H=G2" s SEALS N=NBR V=FPM F=PTFE Pressure curves ►"Y" body version Pad valves Ordering code PVA.B.a.p.Y.c.s Pad valves, 2-ways, are a reliable and economic solution to control fluid. Pneumatically actuated by a compact double or single acting cylinder with 360° revolving connections. Standard seals in contact with fluid are made in NBR, FPM or PTFE. The barrel profile allows the use of Pneumax magnetic sensors series 1500 (see the Sensors Section). G1/4” G3/8” G1/2” G 3/4” G1” G1 1/4” G1 1/2” G2” 93,5 93,5 93,5 105 117 131 154 169 16 16 17,5 22 28 28 36 45 77,5 77,5 78 83 89 103 118 124 41 41 41 41 41 48 57 57 10,25 10,25 10,25 11,25 11,25 11,25 13,75 13,75 G1/8” G1/8” G1/8” G1/8” G1/8” G1/8” G1/8” G1/8” 32,5 32,5 32,5 44 44 44 56 56 64 64 68 79 94 110 120 140 47 47 47 70 70 70 90 90 25 25 30 36 44 55 60 73 28,5 28,5 28,5 40 40 40 49 49 E F G H L M P C D B A Ø40 Ø40 Ø40 Ø63 Ø63 Ø63 Ø80 Ø80 Ø Ø13,5 Ø15 Ø20,5 Ø25 Ø30 Ø38 Ø49,5 13,5 350 350 400 850 1100 1400 2100 3000 Weight (gr.) Nominal Valve (Ø) Actuator (Ø) TECHNICAL DATA TABLE OF DIMENSIONS 97,5 97,5 99,5 113 125 136 166 181 81,5 81,5 82 90 101 108 130 136 45 45 45 48 53 53 69 69 A C D Magnetic version Non magnetic version Connection (N) PV (bar) PC (bar) PV (bar) 012345678910 G3/4" G1/4"÷G1" G1 1/2" G1 1/4" G2" 1 2 3 4 5 6 1,5 2,5 3,5 4,5 5,5 1 1,5 2 2,5 3 3,5 4 4,5 012345678910 G1/4"-G1/2" G1" G2" G3/4" G1 1/2" G1 1/4" PV (bar) PC (bar) G1/4"-G3/8" G1/2"-G3/4" DOUBLE ACTING CYLINDER SINGLE ACTING CYLINDER, NORMALLY OPEN VALVE SINGLE ACTING CYLINDER, NORMALLY CLOSED VALVE PC (bar) G1" 012345678910 2 3 4 5 6 7 G2" G1 1/4" G1 1/2" PV max. 2 bar PC (bar) PV (bar) 012345678910 2 3 4 5 6 G1" G1/4"-G3/8" G1/2" G1 1/2" G1 1/4" - G2" Operational characteristics Technical characteristics - Rear eye, Piston and Rod bushing = Anodized aluminium - Cylinder = Aluminium alloy Anodized - Spring = Zinc plated steel - Seals = NBR, FPM, PTFE - Piston rod = Chromed stainelss steel - Bushing, Bushing pad, Nut pad = Brass Fluid Maximum working pressure (bar) 10 Temperature °C (non magnetic piston, NBR seals) -5 / + 70 Temperature °C (non magnetic piston, FPM seals) -5 / + 150 Temperature °C (non magnetic piston, PTFE seals) -5 / + 150 Temperature °C (magnetic piston, NBR, FPM, PTFE seals) Filtered air. No lubrication needed, if applied it shall be continuous. 10 -10 / +70 -10 / +150 -10 / +150 -10 / +70
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