Explosion-proof Golan helmet
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I would like to ask if there are any special requirements regarding the explosion-proof gland on pressure transmitters? Do we have to use the one with double sealing?
Flange heads with different explosion-proof requirements are distinct from one another. For intrinsically safe instruments, it is sufficient that they are flame-retardant, free of (static) electricity, sealed, and have sufficient strength ； The requirements for gland fittings used in flameproof instruments are high (actually, they’re not that complicated); they are mostly made of metal ； Double-sealed gland fittings are used in applications where components other than wires need to be connected, such as connecting the metal shielding layer of armored cables, the shielding layer of shielded cables, or explosion-proof flexible hoses.
Explosion-proof Goran helmet: Generally, both airtightness and water tightness are required.
The manufacturer advised me to use a double-sealed gland (explosion-proof), saying it is designed specifically for instruments. Double-sealed types are used for armored cables, while single-sealed types are used for unarmored cables. I am using unarmored cable. I feel that as long as the explosion-proof requirements are met, a single seal is sufficient.
Connect the inlet hole directly using an explosion-proof flexible tube; simply purchase a flexible tube with threads that match those of the inlet hole. Using threaded connectors is not convenient for this purpose.
Well, I agree with the person above; keep learning*
This involves issues related to tensile force. If you require a non-armored version, then the Goran component must be able to withstand tensile forces in accordance with national standards. If these standards are not met, clamps must be installed at the back of the Goran component to increase its strength; otherwise, external forces or repulsive forces could cause the cable to be pulled out of the Goran component during operation.