Pro Tech E&M Engineering Ltd.

Pro Tech

Pressure Switch Interlock

Since 2004, EMSD requested Hong Kong largest gas supplier to install a device for application in where gas appliance is connected to Mechanical Exhaust System (MES), likely installed in Commercial & Industrial premises, there shall be an interlock with the appliances to ensure stopping operation of the gas appliance in the event of fan failure or flue blockage.

PRODUCT SUPPORT

Guaranteed functional for one year or it will be replaced free-of-charge
Fully tested with calibrated equipment
Stored in a climate controlled environment

Suitable in interlocking main gas header in large-scale kitchen with various cooking facilities

Suitable for stand-alone cooking facility

Inlet Connection	1/4" Copper Tubing. Connection with Exhaust Air Duct
Operating Pressure	0.35 to 0.65 W.G. (Vacuum)
Fluid Medium	Air
Burst Pressure	345 mBar
Operating Temperature	Up to 85 deg. C
Operating Humidity	Up to 100% R.H.
Power Source	220VAC 50Hz 10A Single Phase
Output Power	220VAC 50Hz 10A Single Phase
Casing Material	ABS Copolymer
Approved Standard	BS4662:1970 Specification for boxes for the enclosure of electrical accessories BS EN 60529:1992 Specification for degrees of protection provided by enclosures (IP 65) click here to download Test Report ISO 75-1:2003 Temperature of Deflection Under Load 0.45MPa up to 85.9 deg. C. click here to download Test Report


	Vacuum Tester Designed for Installers of Pressure Switch Interlock Calibrated with Vacuum 0.5 inch H2O Ease of Operation Battery operated with 2 x 1.5V AA size Alkaline batteries. Listed Price: HK$900.00 (Free Delivery in Hong Kong)