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Series

ATEX Approved Pilot Valves (V7635) - 181 327307 551 4

2131241532412

551 Series

Ambient Temperature Range

3/25/2

• High flow• Available with external pilot option • TUV certified IEC 61508 functional safety data -40 to 104/140ËšF ATEX Safety Code 72113: II 2 G/D EEx d II C T6/T5/T4 @ 77/104/140ËšF)* II 2 G/D EEx d II C T6/T5 ( Electrical Enclosure Protection (EN60529) Aluminum IP-67

3/2 Normally Closed, Pilot Operated, Single Solenoid Operating PressureDifferential (psi) Approx.ShippingWeight(lbs.) PipeSize(ins.) OrificeSize(ins.) Air - Inert Gas Max.FluidTemp.°F ReplacementCoil OrderCode Cv FlowFactor BodyMaterial SealingMaterial ValveOrder Code Min. Max. Catalog Number Voltage Wattage 0.86 NFB551A407 BR SI+PUR 24/DC B551A407NFD2 11.2 400405-142 4.0 1/4 1/4 30 150 140 0.50 NFB551A407* BR SI+PUR 230/50 B551A407NFA8 10.5 400405-117 4.0 5/2 Pilot Operated, Single Solenoid Operating PressureDifferential (psi) Approx.ShippingWeight(lbs.) PipeSize(ins.) OrificeSize(ins.) Max.FluidTemp. °F Replacement Coil OrderCode Cv FlowFactor Air - Inert Gas BodyMaterial SealingMaterial ValveOrder Code Min. Max. Catalog Number Voltage Wattage 1/4 1/4 0.86 30 150 140 NFB551A419 BR SI+PUR 24/DC B551A419NFD2 11.2 400405-142 5.7 3/2, 5/2 NAMUR Mount, Pilot Operated, Single Solenoid Operating PressureDifferential (psi) Approx.ShippingWeight(lbs.) PipeSize(ins.) OrificeSize(ins.) Air - Inert Gas Max.FluidTemp. °F ReplacementCoil OrderCode Cv FlowFactor BodyMaterial SealingMaterial ValveOrder Code Min. Max. Catalog Number Voltage Wattage 1/4 1/4 0.86 30 150 140 NFB551A403 BR SI+PUR 24/DC B551A403NFD2 11.2 400405-142 5.5

V7635