6" Explosion Proof Butterfly Valve, Lug, NBR, 24 VDC

Stock #: 587227
Brand: Valworx
Series: 5872
List Price: $2140
Price: $1,712.00
Buy 3 or more for $1,540.80 each
Usually Ships: Same Day
Free Shipping on orders over $99
Valworx 587227 explosion proof soft seated butterfly valve is used in environments where flammable gases may be present. On-off control of water and other media compatible with the materials of construction. Lug style valve sandwich mounts between customer supplied standard ANSI/ASME Class 125/ 150 or other international standard flanges. Standard unit is power-to-open and power to close, stays in last known position with loss of power. On receipt of a continuous voltage signal, the motor runs and via an all metal self-locking gear drive rotates the disc one quarter turn. The motor is automatically stopped by internal cams striking limit switches at both open and closed positions. On receipt of a reversing continuous signal, the motor turns in the opposite direction reversing the valve position.

The valve is direct mounted to the actuator using the international standard ISO5211 mounting pad. Rugged unique integral motor/housing design provides higher torque in a very small package. Special wave line seat and disc shape, reduces the required torque and extends the life of the valve. Precision machined 316SS disc with two-piece stem (shaft) construction, enhances the flow capacity of the valve and reduces turbulence. The stem utilizes PTFE/graphite bearings with V-ring seals preventing leakage.

Explosion proof actuator certified for UL Class I Div I as well as ATEX specifications. Two auxiliary limit switches are supplied to confirm valve open and closed position.

Butterfly Valve Standard Features
  • Rugged ductile iron body with epoxy coating
  • Precision machined 316 Stainless Steel disc
  • Unique wave line seat design reduces the torque and extends the seal life
  • PTFE/graphite stem bearings with V-ring seals
  • Two piece stem/disc construction enhances flow and reduces turbulence
  • Standard ISO5211 actuator to valve direct mounting
  • Leak proof flange seals included as part of valve seat

  • Electric Actuator Standard Features
  • Explosion proof rated for UL Class I Div I Groups C & D, Ex db IIC T5 Gb Class 1 Zone 1, AEx db IIC T5 Gb
  • Rugged Type 4X weatherproof aluminum alloy housing
  • Visual valve position indicator
  • Manual override
  • Heavy duty motor with overload protection
  • Two auxiliary limit switches to confirm valve position
  • Self-locking all metal gear drive, no additional brake required
  • CSA Listed per UL429 and CSA C22.2, CE mark as well as ExP ratings listed above
  • TypeExplosion Proof Electric Actuated Lugged Butterfly Valve- On/Off
    Voltage24 VDC
    Current Rating2.4A (full load amps)
    Cycle Time30 seconds per 90° rotation (no load)
    Pipe Size6 inch (DN50)
    Suitable FlangesMounts between ANSI /ASME B16.5 Class 150, B16.1 Class 121, EN1092 PN10, PN16, BS10 D, E, JIS B2239 10K, 16K
    Flow FactorCv 2243 (Cv = number of GPM of 60 °F water at 1 psi pressure drop)
    Pressure Rating232 PSI (16 Bar), 29 inHg vacuum
    Valve Temperature Range0 to 248 °F (-30 to +120 °C)
    Actuator Temperature Range-13 to +131 °F (-25 to +55 °C)
    Valve BodyDuctile iron, epoxy coating (seat facing acts as flange gasket)
    Disc316 stainless steel
    Disc Seat/LinerNBR
    Shaft SealsNBR V-ring
    Duty Cycle70%
    EnclosureAluminum alloy, polyester painted, SS fasteners
    Enclosure RatingType 4X (IP67) weatherproof
    Electrical ConnectionsTwo 1/2" NPT threaded ports. Requires Exp rated connector or pipe (not included).
    Valve Position Confirmation2 x SPDT auxiliary limit switches 3A @ 121/210VAC, 30VDC resistive load
    Manual Override5mm hex drive with protective cover
    Motor ProtectionThermal overload
    Anti-Condensation Heater4 watts thermostatically controlled
    ApprovalsUL Class I Div I Groups C & D, Ex db IIC T5 Gb Class 1 Zone 1, AEx db IIC T5 Gb
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      Usually Ships: Same Day
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