Pneumatics and Fittings

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

Product Bar End
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.


(Wholesale customers, log in for your special pricing)

QtyModelDescriptionIn StockList PriceInternet Price
MK-2690 PNEU VAL ACT NO SPRINGIn Stock201.00112.56
MK-4601 PNEU ACTUATOR 3-6#In Stock440.00246.40
MK-4611 PNEU VAL ACT 11 SQ.IN. 5-10SPRINFO440.00246.40
MK-4621 PNEU VLV ACT 11SQ.IN. 10-13SPRIn Stock440.00246.40
MK-4641 PNEU VAL ACT 11 SQ.IN. 3-13SPRINFO440.00246.40
MK-6601 50 SQ IN 3-8 SPRING PNEU ACTINFO1,022.00572.32
MK-6621 ACT/50 SQ IN 8-13 SPRINGINFO1,060.00593.60
MK-6811 PNEU VAL ACT 50SQ.IN 5-10SPRINFO1,060.00593.60
MK-6821 PNEU ACTUATOR 50 SQ IN. 8-13#INFO1,030.00576.80
MK-6911 PNEUM. ACTUATOR 50 SQ IN 5-10INFO2,239.001,253.84
PND-202 DIAPHRAGM MK7100-0-0-1In Stock125.0070.00
PNV-002 DIAPHRAGM FOR MK-44,46,4700In Stock83.0046.48
PNV-102-1 DIAPHRAGM MK2690/2400In Stock59.0033.04
PNV-202 DIAPHRAGM MK-6700/6800/6900In Stock218.00122.08


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