Pneumatics and Fittings

MK-2690, MK-46XX, MK-6XXX Series

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Product Bar End

MK-2690, MK-46XX, MK-6XXX Series

Pneumatic Globe Valve Actuators MK-2690, MK-46XX, MK-6XXX Series

Pneumatic Globe Valve Actuators


The MK-2690, MK-46XX, MK-6XXX Series pneumatic globe valve actuators provide proportional pneumatic control of Schneider Electric VB-7000 and VB-8000 Series globe valves. Each globe valve actuator is a proven performer in high-demand settings, such as building automation systems, BAS, and HVAC applications.


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QtyModelDescriptionIn StockList PriceInternet Price
MK-2690 PNEU VAL ACT NO SPRINGIn Stock190.00106.40
MK-4601 PNEU ACTUATOR 3-6#INFO406.00227.36
MK-4611 PNEU VAL ACT 11 SQ.IN. 5-10SPRIn Stock406.00227.36
MK-4621 PNEU VLV ACT 11SQ.IN. 10-13SPRIn Stock406.00227.36
MK-4641 PNEU VAL ACT 11 SQ.IN. 3-13SPRINFO406.00227.36
MK-6601 50 SQ IN 3-8 SPRING PNEU ACTINFO971.00543.76
MK-6621 ACT/50 SQ IN 8-13 SPRINGIn Stock1,008.00564.48
MK-6811 PNEU VAL ACT 50SQ.IN 5-10SPRIn Stock1,008.00564.48
MK-6821 PNEU ACTUATOR 50 SQ IN. 8-13#In Stock979.00548.24
MK-6911 PNEUM. ACTUATOR 50 SQ IN 5-10INFO2,129.001,192.24
PND-202 DIAPHRAGM MK7100-0-0-1In Stock111.0062.16
PNV-002 DIAPHRAGM FOR MK-44,46,4700In Stock76.0042.56
PNV-102-1 DIAPHRAGM MK2690/2400In Stock54.0030.24
PNV-202 DIAPHRAGM MK-6700/6800/6900In Stock201.00112.56


No accessories found
  • Rugged die cast aluminum construction
  • MK-46xx, MK-6xxx have rolling diaphragms for long life
  • Multiple spring ranges for various applications

Action:Spring return valve stem up

Connections:1/8" NPT

Positioner:Order separately AK-42309-500

Operating Temperature:-20° to 220℉ (-29° to 104℃)

Operating Humidity:5 to 95% RH non-condensing

Mounting:Vertical upright

Maximum Pressure:30 psig (207 kPa)


 :MK-2690 3.6"H x 5.0"W x 2.3"D (9.0 x 12.7 x 5.7 cm)

 :MK-46xx 3.9"H x 4.8"DIA (9.9 x 12.1 cm)

 :MK-6xxx 7.8"H x 10.5"DIA (19.9 x 26.7 cm)

Warranty:1 year