Product Introduction

negative pressure apparatus for 2 hours

Working principle:

Respiratory airflow alternately run for the positive and negtive pressure, breathing resistance is small, pressure reducer, counterflow.

Assembling of oxygen for quantitative oxygen vavle, atomatic supply vavle, manual supply vavles, pressure reducing vavles, safety valves, emergency switch focus to design into one, compact, easy disassembly and maintenance.

Equipped with a row of saliva in the mouth with the pump, the saliva can always be ruled out. 

Main Parameter

1. The main technical parameters:

(1) Oxygen bottle of 19.61 Mpa 200L oxygen storage

(2)  Oxygen supply ration: 1.3~1.1L/min

(3) Automatic exhaust pressure: +196~294Pa

(4) Automatic supply pressure: -147~-245Pa

(5) Effective use time: 2h

2. Dimensions and weight:

(1) Weight: (including oxygen and absorbent) no more than 7kg

(2) Overall dimension: no more than 345*345*190 mm

Figure Photos

B/L of The History Trading

About Us

Shandong China Coal Industrial & Mining Supplies Group Co.,ltd is a big joint stock enterprise founded in the early 1980s. With world-class production ability, specialized technical support, and valued service, our products have been exported to Australia, Russia, Colombia, Ukraine, Georgia, the United states, Southeast Asia and other more than 140 countries and regions.

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