Valbia Pneumatic Actuators
S/Steel ntcbflyacts Valbia Pneumatic Actuators


actuated valves

NTC B/FLY-PNU/DA Double Acting Pneumatic Actuated (Air/Air)
NTC B/FLY-PNU/SA Single Acting Pneumatic Actuated (Air/Spring)
NTC B/FLY-ELE/DA Double Acting Electric Actuated

Wafer Pattern Actuated Butterfly Valves

PN10/16 and ANSI 150lb flange fitment. ASTM A351 CF8M 316 Stainless Steel body and disc. 180 grit polished disc. PTFE on EPDM Liner. -20/+95 deg C Temperature rated (+120 deg C intermittent). Semi-lugged pattern body.
ISO 5211 Mounting. EN 10204 3.1 material certification available.
Available size range: 1.1/2” - 8”.

Pneumatic Actuators

Valve shown top is fitted with quarter turn Stainless Steel Rack and Pinion Single (Air Spring) or Double (Air/Air) Acting Actuator. Aluminium Actuator normally supplied, Stainless Steel on special order only. Actuator is Atex compliant and SIL 3 rated. Actuator Packages are fully assembled and functionally tested (dry bench test on 5.5 bar/g air supply) in house prior to dispatch.

Options include Namur Mount Pilot Solenoids, Switch Boxes, Positioners, De-Clutchable Gearboxes and alternative materials of construction, such as Stainless Steel, or special coatings, such as PTFE.

Electric Actuators

Valve shown left is fitted with quarter turn Electric Double Acting (Power Open/Power Close) Actuator. Model shown is HQ4/6. All electric actuators have manual override facility, open/close visual indication, IP67 rating, anti-condensation heater, four limit switches, push button terminal strip, wiring diagram and reversible motor with low power consumption. Output torques of 40 to 3,000 Nm.

Options include IP68 double sealed housing, local controls, 4-20 mA and 0-10v modulation control, Atex Eexd enclosure, High Temperature fire protection, speed control and battery back-up.

Actuator Sizing Chart

  1.1/2" 2" 2.1/2" 3" 4" 5" 6" 8"
PNU DA 63 63 75 75 85 100 115 160
PNU SA 75 75 85 85 100 125 160 200
ELE DA HQ4 HQ4 HQ4 HQ6 HQ15 HQ15 HQ20 HQ50

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