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Series 40 Valve Positioner

Home Valve PositionersSeries 40 Valve Positioner

Series 40N / 41N Valve Positioner

41N-E1N-SF Series

Series 40N / 41N

Improving Control Through
Advanced Technology

Moniteur’s Series 40N /41N pneumatic (3-15psi) and electro-pneumatic (4-20mA) valve positioners are advanced control devices which provide unparalleled stability in difficult environments.

In virtually any application, this positioner’s performance is improved compared with typical “spool valve” type designs.
Just check the features listed below:

Downloads
Download Catalog Sheet
Download Instruction Manual
Download Bottom Mounting Drawing

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Bracket Kits and Mtg Hardware
Common Spare Parts
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Moniteur’s VPT Selection Guide

  • Features
  • Part Numbers
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  • Bracket For NAMUR Actuators

Features & Benefits – 40/41 Positioner

Unique Magnetic Torque Motor 4-20 mA I/P automatically compensates for supply pressure, atmospheric pressure and ambient temperature changes, and is unaffected by EMF. The vibration resistant design has no resonance effects from 5-200Hz. In real life, the perfromance and sensitivity are clearly superior to standard valve positioner designs.

Reduced Bleed Pilot Valve reduces air consumption by more than 50% No Spool Valves are used for air delivery, improving resistance to dirty plant air

Rugged Aluminum Housing with a triple corrosion-resistant interior and exterior coating stands up to harsh environments

Precise Calibration with simple SPAN and ZERO adjustments.

Precision Zero-Hysteresis Coupling System for NAMUR actuators provides superior accuracy and repeatability by eliminating “slop”.

Stainless Steel Gauges Standard

Optional Limit Switches and 4-20mA Feedback

Each Valve Positoner Performance Tested – Test results included in the box with each positioner guarantee consistent performance.

Intelligent Part Number System

41N-E1N-SF
12-345-67
1 – Series4 – Pilot Valve
Pneumatic40Standard Orifice w/small orifice kit1
Electro-Pneumatic415 – Position Feedback
2 – ShaftNoneN
Rotary NamurN4-20 mAT
Linear 10-80mmL2 SPDT Limit SwitchesS
Linear 80-150mmS6 – Gauges
3 – Electrical RatingStandardS
Standard / None (3-15 only)S
Ex md II T6 (standard)E7 – Indication
Intrinsically SafeAIFlat DialF

Most common items available for quick delivery:

40N-S1N-SF

41N-S1S-SF

41N-E1N-SF

41N-S1T-SF

BKT-FC1206

BKT-FS1201

BKT-FS1511

BKT-FC1306

BKT-FS1206
BKT-FS1516
BKT-FS1301
BKT-FS1306

Brackets for NAMUR Actuators

BKT-FS1206
1-234
1 - Bracket Kit4 - Coupling Style
2 - StyleZero-Hysteresis (10-24)1
Painted Steel L-StyleFCZero-Hysteresis (M5)5
Stainless SteelFSZero-Hysteresis (M6)6
3 - Size
80 x 30 x 20120
130 x 30 x 30130
80 x 30 x 30151
+ Features

Features & Benefits – 40/41 Positioner

Unique Magnetic Torque Motor 4-20 mA I/P automatically compensates for supply pressure, atmospheric pressure and ambient temperature changes, and is unaffected by EMF. The vibration resistant design has no resonance effects from 5-200Hz. In real life, the perfromance and sensitivity are clearly superior to standard valve positioner designs.

Reduced Bleed Pilot Valve reduces air consumption by more than 50% No Spool Valves are used for air delivery, improving resistance to dirty plant air

Rugged Aluminum Housing with a triple corrosion-resistant interior and exterior coating stands up to harsh environments

Precise Calibration with simple SPAN and ZERO adjustments.

Precision Zero-Hysteresis Coupling System for NAMUR actuators provides superior accuracy and repeatability by eliminating “slop”.

Stainless Steel Gauges Standard

Optional Limit Switches and 4-20mA Feedback

Each Valve Positoner Performance Tested – Test results included in the box with each positioner guarantee consistent performance.

+ Part Numbers

Intelligent Part Number System

41N-E1N-SF
12-345-67
1 – Series4 – Pilot Valve
Pneumatic40Standard Orifice w/small orifice kit1
Electro-Pneumatic415 – Position Feedback
2 – ShaftNoneN
Rotary NamurN4-20 mAT
Linear 10-80mmL2 SPDT Limit SwitchesS
Linear 80-150mmS6 – Gauges
3 – Electrical RatingStandardS
Standard / None (3-15 only)S
Ex md II T6 (standard)E7 – Indication
Intrinsically SafeAIFlat DialF
+ Quick Delivery Items

Most common items available for quick delivery:

40N-S1N-SF

41N-S1S-SF

41N-E1N-SF

41N-S1T-SF

BKT-FC1206

BKT-FS1201

BKT-FS1511

BKT-FC1306

BKT-FS1206
BKT-FS1516
BKT-FS1301
BKT-FS1306
+ Bracket For NAMUR Actuators

Brackets for NAMUR Actuators

BKT-FS1206
1-234
1 - Bracket Kit4 - Coupling Style
2 - StyleZero-Hysteresis (10-24)1
Painted Steel L-StyleFCZero-Hysteresis (M5)5
Stainless SteelFSZero-Hysteresis (M6)6
3 - Size
80 x 30 x 20120
130 x 30 x 30130
80 x 30 x 30151
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