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Mr. Trí
 
Sales Manager   
I T   : ( 84  ) 8 66 79 73 70                                
I M  : 0911 41 9001
I E   : sales01@ntkvietnam.net                      
I W :  www.ntkvietnam.net
http://ntk-istvietnam.blogspot.com/

          www.ntk-ist.com

type 4746 Electric/Pneumatic Limit Switch electric; With electric microswitches
Model XGK 3 - 81 (gold-plated contacts); with 2 switching elements;
Electrical connection: Cablegland M20 x 1.5 black (plastic);
Var-ID: 1008555

type 4763 Electropneumatic Positioner
Intrinsically safe EX II 2 G EEx ia IIC T6
acc. to ATEX
Lever I (length 40-127 mm)
Spring 1 (15 mm travel)
Pneumatic connections 1/4 - 18 NPT
Electrical connection: Cable gland M 20
x 1.5 blue (plastic)
Type 6109 i/p Module
Reference variable 4-20 mA
Var-ID: 1008622

type 3760 Electropneumatic Positioner and Pneumatic Positioner
Pneumatic connections ISO 228/1 - G 1/8;
Electrical connection:
Cable gland M20x1.5 black (plastic); Type
6109 i/p Module;
Reference variable 4 to 20 mA; Packed;
Var-ID: 1626739 (1008177)

 

 

 

The positioners ensure a predetermined assignment of the valve position (controlled variable x) to the input signal (reference variable w). They compare  the input signal received from a con- trol system to the travel of the control valve and issue a corre- sponding output signal pressure pst (output variable y).

Special features

•  Compact, low-maintenance design

•  Any mounting position possible

•  Insusceptible to mechanical vibrations

•  Reversible operating  direction

•  Excellent dynamic behavior

•  Suitable for normal or split-range operation

•  Adjustable proportional band (P-band)

•  Adjustable air output capacity

•  Low air consumption

Attachment to valves with cast yokes or rod-type yokes ac-

cording to IEC 60534-6

Optionally available with two pressure gauges to monitor sup- ply air and signal pressure. Stainless steel pressure gauge housing with connections either nickel-plated or made of stainless steel.

A Type 4765  Pneumatic Positioner can be upgraded to a

Type 4763  Electropneumatic Positioner 1).

 

Versions

Type 4763-0 (Fig. 1) · Electropneumatic positioner, without explosion protection

Type 4763-1 · Electropneumatic positioner for hazardous ar- eas, input circuit             II 2G Ex ia IIC T6 according  to ATEX Type 4763-8 · Electropneumatic positioner in in Ex nA (non- sparking)

Type 4765/6116 (Fig. 3) · Electropneumatic positioner with type of protection "Flameproof enclosure" Ex d with

Type 6116  i/p Converter (Fig. 2; see u T 6116  EN for ap- provals)

Type 4765 (Fig. 1) · Pneumatic positioner with 0.2 to 1 bar (3 to 15 psi) reference variable

 

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