Samson 3372 - Safety Instructions and Measures; Intended Use and Personnel Safety

T 8313 EN 5
Table1.2: Explosion‑protection certicates for Type3372
Type3372 With integrated i/p converter WithType3725Positioner(directattachment)
1)
Actuator area 120cm² 120cm² 350cm²
Rated travel 15mm 15mm 15mm 30mm
ATEX
No. PTB 99 ATEX 2049 PTB 11 ATEX 2020 X
Date 1999-07-06 2011-08-25
Type of protection II2GExiaIICT6 II2GExiaIICT4
CSA Group
No.
–
2703735 X
Date 2014-06-03
Type of protection
ExiaIICT4;
Class I, Zone 0, AEx ia IIC T4;
Class I, Div. 1, Groups A, B, C & D
GOST
No.
–
RU C-DE.GB08.B.00697
Date 2014-12-15
Valid until 2019-12-14
Type of protection 1EXiaIICT4GbX
1)
Versions with Type3730-x or Type3731-x Positioner on request
Table1.3: Further technical data for Type3372
Type3372 With integrated i/p converter WithType3725Positioner(directattachment)
Actuator area 120cm² 120cm² 350cm²
Rated travel 15mm 15mm 15mm 30mm
Pneumaticdata
Tight-closing function
Stem
retracts
Stem
retracts
Stem
extends
Stem
extends
Stem
retracts
Stem
retracts
Stem
extends
Stem
extends
Stem
retracts
Stem
extends
Stem
retracts
Stem
extends
Bench range
0.4 to 1.4 1.4 to 2.3 2.1 to 3.3 0.4 to 1.4 1.4 to 2.3 2.1 to 3.3 1.5 to 2.1 2.1 to 2.7 1.5 to 2.7 2.2 to 3.8
Supply pressure
Max.
6 bar
Max. 4 bar
Max.
6 bar
Max. 6 bar
1)
Max. 6 bar
Materials
Actuator housing Aluminum, powder paint coated Aluminum, powder paint coated 1.0332
Diaphragm NBR NBR NBR
Actuator stem 1.4305 1.4305 1.4401/1.4404
Weight(withoutpositioner)
kg (approx.) 3.7 3.3 15
Attachment
FormB
FormB or FormC
(see Table2)
FormC
Compliance
·
1)
With “stem extends” fail-safe action and travel stop, the supply pressure must not exceed the upper spring range value by more than 1.5bar.
Table1.4: Technical data of Type4744‑2 Limit Switch
Type4744‑2LimitSwitch
Travel range 15mm
Permissible load AC voltage: 250V/5A
DC voltage: 250V/0.4A
Temperature range –20 to +60°C
Degree of protection IP66
Explosion protection Flameproof enclosure II2GExdbIICT6-T5
Weight, approx. 0.4kg
Associated documentation uT8367