Factory directly supply 315/433/868mhz Jammer - Self-contained breathing apparatus HYZ2 – Topsky
Factory directly supply 315/433/868mhz Jammer - Self-contained breathing apparatus HYZ2 – Topsky Detail:
Model:HYZ2 / HYZ4
Qualifications: Coal Mine Safety Certificate
Explosion-proof Certificate
Inspection Certification
Applications
Whenever emergency teams are saving lives or extinguishing fires, above or below the ground, HYZ2 Self-Contained Closed Circuit Breathing Apparatus comes into its own. Whether used during rescue or fire fighting missions in mines, tunnels or underground train ducts where there is noxious gas or oxygen insufficient emergency, HYZ2 Self-Contained Closed Circuit Breathing Apparatus is the first choice. More than 10,000 professional users rely on the HYZ2 Self-Contained Closed Circuit Breathing Apparatus in China.
Specially designed for demanding tasks: HYZ2 Self-Contained Closed Circuit Breathing Apparatus combines uncompromising safety with outstanding respiratory protection and wearer comfort. Innovative in design, it provides the wearer with up to four hours of breathing air in toxic environments.
Key features
Breathing Oxygen for up to 2 -4 Hours
Highest breathing comfort with an integrated cooling system
Ergonomically shaped carrying plate
Reduced exposure from a well balanced system
Improved harness and intelligent breathing hose routing for excellent freedom of movement
Technical specification
Duration of use | 2 h | 4 h | 4 h |
working pressure for oxygen bottle | 20MPa | 20MPa | 20MPa |
Capacity for oxygen bottle | 1.4L | 2.4L | 2.7L |
Oxygen storage | 280L | 480L | 540L |
Breathing rate | 30L/min | 30L/min | 30L/min |
Exhaling resistance | (0~600)Pa | (0~600)Pa | (0~600)Pa |
Inhaling resistance | ≤600Pa | ≤600Pa | ≤600Pa |
Fixed Oxygen-supplying | ≥1.4L/min | ≥1.4L/min | ≥(1.4~1.8)L/min |
Automatic Oxygen-supplying | ≥80L/min | ≥80L/min | ≥100L/min |
Manual Oxygen-supplying | ≥80L/min | ≥80L/min | ≥100L/min |
Start pressure for Auto-supplying valve | (10~245)Pa | (10~245)Pa | (10~245)Pa |
Inhaling Carbon dioxide concentration | ≤1% | ≤1% | ≤1% |
Inhaling oxygen concentration | >21% | >21% | >21% |
Weight, ready for use | 10 kg (incl. mask) | 10 kg (incl. mask) | 12 kg (incl. mask, full oxygen cylinder (aluminum), CO2 absorber and cooling ice) |
Dimensions (H x W x D) | 560 x370 x 160 mm | 560 x370 x 160 mm | 177 x96 x 227 mm |
Packing Information:
Size:58.8*44.3*21.5cm
Gross weight:12.5kg
Product detail pictures:



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We not only will try our best to offer excellent services to every customer, but also are ready to receive any suggestion offered by our customers for Factory directly supply 315/433/868mhz Jammer - Self-contained breathing apparatus HYZ2 – Topsky , The product will supply to all over the world, such as: Nepal, South Africa, Namibia, So far our merchandise have been exported to east Europe, the Middle East, Southeast, Africa and South America etc. We have now 13years experienced sales and purchase in Isuzu parts at home and abroad and the ownership of the modernized electronic Isuzu parts checking systems. We honor our core principal of Honesty in business, priority in service and will do our best to provide our customers with high quality items and excellent service.

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