Top 5 Control Accessories For Use In Hazardous Locations

Control equipment for use in hazardous areas must be carefully selected to meet area classifications.


SVF Flow Controls, through our NexTek Controls family of valve automation products, offers the right selection of actuators and controls for hazardous areas.


Standards of compliance include NEMA, ATEX, NEC and International Electrotechnical Commission (IEC)


The Top 5 products we supply are detailed below. Note that pneumatic actuators are included since they are commonly chosen for use in hazardous areas since they are inherently safe.

E Series • NEXUS-LPX • NEXUS-LX  PV7 • Pneumatic Actuators

E Series

Heavy duty, fully enclosed high performance motor rated for On/Off & modulating service

Corrosion protection with thermally bonded polyester coating

Operating speeds and output torque generated through a permanently lubricated gear train

All motors feature integral thermal overload protection

Designed for operation in temperatures from -40°F to 150°F

All models feature a manual override

ISO mounting pad and wired for light indication

Available in NEMA 4, NEMA 4X and NEMA 7 (Hazardous Area Locations)


Integrated Solution (switches, sensors, pilot and spool valve in a single platform)


Approved for Enclosure: DNV 09 ATEX 53807X, NEMA 7


Area Classification: Ex II 2G Ex d IIB T6, IP66, Class 1, Zone 1(Division 1), Groups A-D


Suitable for use on rotary applications for double acting or spring return actuators


NAMUR and ISO 5211 adjustable mounting bracket


5/2 Aluminum spool valve, anodized and polyester coated


Approved for Enclosure: DNV 09 [ATEX] 53807X


Area Classification: Ex d IIB T6, IP66, Class I, Div. 1 & 2, Groups C and D


Mechanical switches are rated for temperatures from-15°F to 176°F (-26°C to +80°C)


Double acting or spring return actuators


Dual 3/4” NPT conduit entries facilitate wiring in the field and for additional ancillary pilot valve connections


Captive cover bolts remain intact during wiring to prevent loss


The VECTOR Series Pilot Valves are UL approved, direct mount (NAMUR VDI/VDE 3845) valves used to pilot pneumatic actuators.


The valve is a universal type (5/2 convertible to 3/2) and can be easily field retrofitted for use on double acting or spring return actuators.


The VECTOR-PV7 is [ATEX] Rated version for Hazardous Areas.


Also available in a NEMA 4/4X Version VECTOR-PV4 and the Intrinsically Safe NAMUR Pilot Valve VECTOR-PV9.


Fitted with a manual override function – helpful in the event that the valve must be cycled when electrical supply is unavailable.

Pneumatic Actuators

Hard Anodized aluminum housing


“Versa-View” Continuous mechanical position indicator


Nickel Plated Alloy drive shaft


ISO/NAMUR design for universal mounting and accessory attachment


Bi-Directional Stroke Adjustment

1/4” NPT air inlet manifold


Actuator is designed for 120 psi supply air pressure

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