Group: I & II
Category: M2 & 2GD
Protection mode against gas: Ex d I Mb Ex d II(*) T6 Gb Ex e IIC Gb (*): – IIB + H2 when installed on Ex d enclosure with maximum internal volume of 160,6 dm³
– IIC on enclosure with maximum internal volume of 62,9 dm³
Protection mode against dust: Ex tb IIIC Db IP66 (**)
(**): the protection index IPX6 is guaranteed when the plastic cap (VD03) is applicated on the valve. Without it the protection index is IP64.
Material: Stainless Steel 316L (S)
Threading: NPT – ANSI/ASME B1.20.1
ISO 262 e ISO 965-1/2/3
Maximum Ambient Temperature allowed: -60°C ÷ +60°C
The VD series are breathing valves suitable for protection against dangerous gas and dust (IIB+H2 or IIC and IIIC) with IP66 protection. They are used to allow the air passege through the flameproof enclosure. They are made in stainless steel AISI 316L material.