Black and white building intercom gives you security

The company has developed a series of supporting black and white building intercom security products, and with its excellent performance, excellent quality, perfect after-sales service, reasonable price system to win the trust of our customers and get a good social reputation. Non-visual building intercom system, intelligent community management system and other products. It has been operating in the market for many years, with its reliable operation and long service life. Functional facilities, excellent prices, services in place, praised by users in all regions. Distributors or offices are located throughout the country. Tenants can operate indoor extensions to call property management personnel. At the door, the host can also receive household alarms at any time and pass them to the on-site host to inform community security personnel. The system not only enhances the security of high-rise residential buildings, but also greatly facilitates the tenants and reduces many unnecessary Up and down the stairs, communication is more convenient, faster, safe and reliable.

The security and security department of the residential property management manages the black and white building intercom host through the community security intercom, and can monitor the working conditions of the security intercom systems in each residential building in the community. If the entrance door to a residential building is opened illegally and the safety intercom host or line fails, the community security intercom management host will issue an alarm signal and display the content and location of the alarm. Building intercom systems have been used in Europe and the United States, Hong Kong, Taiwan and other regions for nearly 20 years. Since 1992, manufacturers and manufacturers of foreign building intercom systems have successively opened up markets in China. So far, there have been nearly 10 foreign brands on the mainland, and domestic building intercom companies have developed rapidly. The market share of domestic building intercom systems is about 80%.

NY400 Asbestos Gasket Sheet for Oil-Resisting

NY400 Asbestos Gasket Sheet for Oil-Resisting

Description:NY400 Asbestos Gasket Sheet for Oil-Resisting is high temperature and high pressure oil resisting materials,it can be green,black and blue colour and can cut difference size as per clients' requestmade,it made by good asbestos fiber with oil resistance synthetic rubber ,compression heating and molding it in thick paper fashion.

Usage:NY400 Asbestos Gasket Sheet for Oil-Resisting is suitable for the mediums temperature under 400℃,pressure under 4.0MPa in gasoline,mineral oil,fuel,chemical solvent oil,alkali etc transmitted in the joints of facilities and pipelines.

TEMP:400℃(max)

PRESS:4.0MPa(max)

Dimension:1540x1360mm(recommend)

4100×1500mm; 4500 x 1500mm;2000×1500mm;

1500×1500mm;1500×1000mm;1270×1300mm; 3810×1300mm

Thickness: 0.5~6.0mm

Technical data:

Lateral Tensile Strength MPa ≧15.0

Compressibility % 7~17

Recovery% ≧50

Density g/cm³ 1.6~2.0

Normal temperature softness No cracking

Oil Resistivity Test:

Immersion IRM903 Oil keeping 5h (149℃)

Lateral Tensile Strength(MPa) ≥ 12.0

Weigh gain rate(%) ≤30

Immersion ASTM Fuel Oil B keeping 5h(21-30℃)

thickening rate (%) 0~20

Oil sealing properties under normal Temperature

Medium:RH-75 Avgas

Pressure: 16Mpa No leaking keeping 30 minutes

Nitrogen Leakage Rate ML/(h•mm)≦300

Product photoes:

Ny400 Asbestos Gasket Sheet For Oil-Resisting,Asbestos Gasket Sheet For Oil-Resisting,Oil-Resisting Gasket Sheet,Oil-Resistant Sealing Gasket Sheet

HEBEI HENGDA SEALING MATERIALS CO.,LTD. , https://www.hengdasealing.com