Explosion-proof plugs VZV (МС)
PURPOSE AND SCOPE OF APPLICATION
Explosion-proof plugs VZV are used to seal unused cable entries of metal hoses.
Scope of application – underground mines and pits hazardous with gas (methane), coal dust; outdoor and indoor hazardous areas as per explosion protection marking, GOST 30852.13-2002 (IEC 60079-14:1996), dangerous production facilities of I, II, III, IV hazard class supervised by Rostechnadzor of the RF and national technical supervision bodies of the Customs Union and CIS countries.
Marking:
1Ex e IIC Gb X
Ex tb IIIC Db X
Ex e IIC Gb U
Ex tb IIIC Db U
Mining equipment marking:
РВ Ex db I Mb
РП Ex e I Mc
РВ Ex db I Mb U
РП Ex e I Mc U
Certificates and permits:
TU 27.33.13-031-72453807-2017
Ambient temperature, °С:
-60...+135
-40...+135 (for Ex d I Mb U)
Material:
Corrosion-resistant aluminum alloy from 2 1/2” to 4”, code A
Nickel-plated brass resistant to hydrogen sulfide, hydrochloric acid vapors and salt spray, code NK
Stainless steel grade 08Х18Н10 as per GOST 5632-2014 (AISI 304) код Н
Galvanized steel code О
Climatic version:
NF1 (upon request NF2, NF3, NF4, NF5, F1, F2, F3, F5, MU1, MU2, MU3, MU4, W2.1, W5)
OVERALL AND MOUNTING DIMENSIONS
Aluminum alloy
Stainless steel, Galvanized steel, Nickel-plated brass
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| Size Type |
Thread, M |
L |
X |
AC |
| VZV1М |
М20х1,5 |
20 |
30,2 |
27 |
| VZV2М |
М25х1,5 |
20 |
35,8 |
32 |
| VZV3М |
М32х1,5 |
21 |
45,9 |
41 |
| VZV4М |
М40х1,5 |
21 |
51,5 |
46 |
| VZV5М |
М50х1,5 |
22 |
63,2 |
57 |
| VZV6М |
М63х1,5 |
22 |
78,2 |
70 |
| VZV7М |
М75х1,5 |
21 |
92,9 |
85 |
| VZV8М |
М90х1,5 |
22 |
107,9 |
100 |
| VZV10М |
М100х1,5 |
22 |
117,9 |
110 |
OPTIONS, ACCESSORIES AND VERSIONS
ORDER CREATION
Non-explosion-proof version
/PROM
Stainless steel grade 03Х17Н13М2 as per GOST 5632-2014 (316L)
/316L
Locknut (cylindrical and metric thread)
/KG
External seal for ingress protection (IP) on thread (cylindrical and metric thread)
/UKF
FORMATION OF ORDER
| VZV |
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X |
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X |
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Х |
– TU 27.33.13-031-72453807-2017 |
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Example: VZV7MА-TU 27.33.13-031-72453807-2017
GOST 30852.0-2002 (IEC 60079-0:1998), GOST 30852.1-2002 (IEC 60079-1:1998), GOST 30852.10-2002 (IEC 60079-11:1999), GOST 30852.20-2002, TR CU 012/2011, GOST 14254-96 (IEC 529-89), RD 5.2-093-2004, Ch. 7.3 PUE, Ch. 7.4 PUE
