HRD71 Series

Technical data HRD71-250 HRD71-400
Gas explosion protection II 2 G Ex d e IIC T3 Gb; Ex d e IIC T3 II 2 G Ex d e IIC T3 Gb
Dust explosion protection Ex tD A21 IP65 T190°C Ex tD A21 IP65 T190°C
Certificates for gas explosion protection LCIE 08 ATEX 6105X
IECEx CQM 08.0018
LCIE 08 ATEX 6111X
IECEx CQM 11.0030
Certificates for dust explosion protection PCEC (China) PCEC (China)
Conformity to standards EN 60079-0, EN 60079-1, EN 60079-7
IEC 60079-0, IEC 60079-1,IEC 60079-7,
IEC 61241-0, IEC 61241-1
EN 60079-0, EN 60079-1, EN 60079-7
IEC 60079-0, IEC 60079-1, IEC 60079-7,
IEC 61241-0, IEC 61241-1
Enclosure material Copper-free aluminium, powder coated surface, yellow (RAL1021)
Transparent cover Toughened glass, stands 4J impact
Internal reflector High-purity aluminium
External reflector(optional) Pure aluminium, anodic-oxidation treatment for surface
Wire guard Powder coated carbon steel, white
Exposed fastener Stainless steel
Lamp SME (Power | Holder) 160W | E27
250W | E40
500(450)W | E40
Lamp A  (Power | Holder) 200W | E27
300W | E40
500W | E40
Lamp QL  (Power | Holder) 85W | - 135W | -
Rated voltage 220~240V AC 50/60Hz
Earthing protection M5 (internal & external earth bolts)
Degree of protection IP65
Ambient temperature -20°C~+55°C
Terminal 3 x 1.5~2.5mm2 (L+N+PE)
Cable entries 2 x M25 x 1.5 plugs
Cable gland (optional) DQM-I (Ex e) is recommended. Please see P7/17~19.
Weight 9.25kg 13.45kg
Dowload Datasheet HRD71 Series


Nyheter olje & gass


Axial Flow-kontrollventiler

mar 05, 2018
Axial Flow-ventiler fra Hydromat brukes til regulering av vann eller gass.…

Imponerende snuoperasjon

des 15, 2017
Magasiner: AMNYTT #6/2017 - årgang 19 | Tekst: Jan Eirik…

Offshore Technology Days 2016

sep 22, 2016
J.S. Cock skal igjen delta på Offshore Technology Days 2016. Med oss på…

Third new product launch in less than 12 months

sep 19, 2016
Mankenberg, a leading manufacturer of self-acting control valves,…

Mankenberg launch PRV & set a new standard

aug 31, 2016
Mankenberg further expand their position as one of the leading suppliers…



Safety Relief valves…


Pump Minimum Flow valves…


Chokes & Critical…


Transparent Liquid Level…
© 2017 J.S.Cock AS. All Rights Reserved.