Stairwell Pressurization Systems . A.Bhatia . 2. 3. Stair pressurization Due to the relative cost of the associated mechanical systems, and architectural space issues related to providing exterior balconies and stair vestibules, the stair pressurization system is the most widely selected design option.

In a high-rise building it is possible to increase the pressure of a stairwell to prevent the infiltration of smoke if fire crews configure the fans 

Ventilair owing to its 3 decades of experience offers Lift well Pressurization & Staircase Pressurization Systems to its customers. FANS IN FIRE SAFETYSMOKE 

Replace the stair pressurisation fans for stairs 1, 2 and 3, including associated VSDs and brand name, catalogue or reference number.

Pressurization of a shaft is one means of maintaining it tenable during a fire. This involves increasing the pressures inside the shaft above those of adjacent floor spaces by injecting outdoor air into the shaft with a supply fan. The direction of air flow would then

The stairwell pressurization system is a mechanical ventilation system. In order to pressurize the stairs of vertical buildings, it is necessary to install sets of fans that suck air into the

HP300 PARALLEL PIN ISO8734-12X40-A-ST-UNPLTD stainless steel pressure gauge Hexagon socket set screw flat point DIN915/ISO4028 45H zn Parallel pin tolerance m6 DIN6325/ISO8734 ST hardened Taper pin grounded with internal thread form A DIN7978

the electronic control for pressurisation ventilation fans. This system provides higher security for selfrescue and especially for the fire brigade.

The STAIRCASE PRESSURIZATION SYSTEM is made of a axial fan box, frequency converter and air sensor pressu-re. • Box made from galvanised metal sheet with insulation class M1. •

Bathroom Extract Fans · In-line Duct Fans · Wall or Window Extract Fans · Heat Recovery Units · Whole House Extract Units · Acoustic Cabinet Fans · Roof Mounted Fans 

lower sound levels than other axial fans. Typical Ventilation Applications include: • Supply and return fans for air handling equipment • Continuous duty operation at 110 F • Emergency