Fire door electromagnetic release Fire window temperature control rod Pit free spring

Fire door electromagenetic suction, is a common door closer with the use of a releaser that keeps the fire door open. Fire when the fire is under the control of the combined transportation, the automatic tripping is released . In the ordinary door closers under the action of automatic door. This productmust be manual pull button, manual pull rod reset.

• Installation methods, ground installation
• Easy to install, equipped with universal adjustable suction plate
• Super enery-saving, not pilled in place, not power
• Quality assurance, manufacture of spial elecic magnetic steel material
• Design of degaussing and reverse EMF

Fire window tempetature control rod:

1. Temperature support installed on the movable shield fire window, manual open fire window, by positioning the support rod can make the fire window positioning, remain open; fire, temperature 68+5 DEG C, temperature control releasing device work, lifting positioning, fire window in the ordinary door closer or under the action of self closing spring hinge. The cylinder can also be lifted on the support rod, and the window is closed manually.
2. with temperature release function: 68+ 5 degrees automatic fire window.
3. installation: parallel installation, vertical installation, fully in line with fire safety requirements.

Pit free spring:

1. Filed with high quality anti-icing hydraulic oil, ensuring smooth and flexible operation of mechanical parts at different temperatures.
2. Door openning angel at 106 degrees at your option.
3. 90 degrees Stop device or non-stop device at your option.
4. With double closing speed adjusting valves at 90 degrees - 0 degrees to match different closing purposes.
5. General desinged is suitable for openning doors with left/right hand and single/double opening, accessories are available for each means.
6. Adjustable and unadjustable axis is designed to install and adjust easily & precisely.

WENZHOU GRH MANUFACTURE CO.,LTD

is one of main hardwares supplier start from 2002 years in Wenzhou city of China.

We deal with most kinds of funiture and building hardwares .Like cabinet handles,knob,door handle,locks,door stopper,glass holder,latchs, plastic or matel accessories,sink,bowl shelf,bathroom accessories,screws,industrial support,industrial legs, and so on. All the products export to Europ,North/South American,South Asian,South Africa,Middle East,etc.

    With a perfect sales network in the economic globalization,WENZHOU GRH is facing new opportunities and challenges. We have been introducing in advanced production equipment and technical strength,and focused on every detail in production and every working procedure in market servey,information feedback,product development,quality inspection and sale service,this showing GRH real spirit,culture,and strength to build up a credible. reliable and high-quality brand of GRH in the hardware industry.