Shenhai Explosion-Proof
Lub cev tawg-pov thawj hluav taws xob yog kom meej meej, durably, thiab distinctly cim. Lub nameplate yog ua los ntawm cov ntaub ntawv xws li bronze, brass, hlau los yog hlau. Lub markings ex, tawg-profo, qeb, thiab kub pawg mas embossed los yog engraved.
Lub npe muaj cov lus qhia nram qab no:
1. Manufacturer’s name or registered trademark.
2. The manufacturer-specified product name and model.
3. The symbol Ex, indicating compliance with professional standards for tawg-proof fais fab tuag in terms of explosion-proof type.
4. Symbols of the applicable tawg-profo, such as o for oil-filled, p for pressurized, q for sand-filled, d for flameproof, e for increased safety, ia for Class A intrinsic safety, ib for Class B intrinsic safety, m for encapsulated, n for non-sparking, s for special types not listed above.
5. Symbol of electrical equipment category; I for mining electrical equipment, thiab txias group or maximum surface temperature (in Celsius) for IIA, IIB, IIC class equipment.
6. Temperature group or maximum surface temperature (in Celsius) for Class II equipment.
7. Product number (except for connection accessories and devices with very small surface areas).
8. Inspection unit mark; if the inspection unit specifies special conditions of use, the symbol “x” is added after the qualification number.
9. Additional markings.