General information - Abbreviated designation of fans: SRP-KH 40*20 2D -2. - Manufactured according to TU 28.25.20-002-85589750-2017 - Impeller blades are bent backwards - Location of the motor outside the duct protects it from undesirable impurities of the air flow. - Possible versions: - B - Explosion-proof made of dissimilar materials - VK - Explosion-proof corrosion-resistant version - K - General industrial corrosion-resistant - KH - Kitchen - Made of stainless steel or galvanised steel (depending on the version) and designed to move slightly aggressive gas-vapour-air mixtures or medium with increased temperature (depending on the version). - Protection class of motors in explosion-protected version: 1ExdIIBT4 (protection class 1ExdIICT4 is possible). - Installation in any position - Available in sizes from 40*20 to 100*50. Operating conditions: can be used in the 2nd category of placement provided that the fan is protected from atmospheric precipitation and direct sunlight.