1.3 Implementation standards

GB 17565-2007 "General technical conditions for anti-theft security doors".

1.4 main technical performance

First, the appearance

(1) The surface of the door frame and door leaf member should be smooth and smooth without obvious dents and mechanical damage.

(2) The nameplate logo shall be correct, firm and clear.

(3) The anti-theft security door should have a permanent anti-theft security level mark.

(4) The anti-theft security level mark consists of its Chinese code and plane circle. The Chinese code should be located in a plane circle with a diameter of Φ25mm.

(5) Permanently fixed in the upper side of the inner hinge in the form of the gravure of the Song Dynasty, at a height of 1600 mm ± 100 mm from the ground.

Second, the plate and material

(1) Plate material can be selected from steel, stainless steel, steel/wood, copper or other composite materials.

(2) Steel plate thickness

a) The door frame shall be 2.00mm, 1.80mm and 1.50mm respectively according to the security level of B, C and D.

b) The thickness of the outer panel and inner panel of the door leaf shall be expressed in the form of “outer board/inner board”. The levels of B, C and D according to anti-theft security shall be 1.00mm/1.00mm, 0.80mm/0.80mm, 0.80mm/0.60 respectively. Mm.

c) The thickness of the sheet of the Class A anti-theft security door is selected according to the product design under the conditions of its anti-destructive performance. If the steel plate is selected, its thickness should not be lower than the thickness of the door frame and door leaf of the Class B anti-theft safety level and the allowable deviation.

1.5 unqualified security door

Unqualified security doors, as the name suggests, can not reach the national standard security door. Unqualified security doors are on the market in a variety of ways, as long as consumers maintain a calm mindset. Don't be tempted by low-priced doors. Choose a manufacturer of well-known trademarks. Basically, you will not buy an unqualified security door.

Centrifugal Pump

Our company mainly deals in Hardware Tools, combined tools, electric tools, special tools for petroleum, metal processing machinery and petroleum drilling equipment. Diagonal Cutting Plier,Oil Drill Pipes,Drilling Tools,The company provides various centrifugal pumps, chemical pumps, screw pumps, booster pumps, variable frequency constant pressure pumps, hydrochloric acid pumps, testing pumps, etc. Diesel Engine Etc.Our companyoperates hardware tools and has established long-term and stable cooperative relations with many retailers. Rugao yaou import & Export Co. Ltd has won the trust of our customers with the principle of multi variety operation characteristics and small profit and quick turnover. Enjoy a high position among consumers.

Main products: D type, DG type, MD type multistage centrifugal Pump, 2BEA type, 2BEC type, 2BEK type, SK type water ring vacuum pump, KLT type hose pump, SH type, S type single-stage double suction centrifugal pump, DL type, LG type vertical multistage centrifugal pump, IS type and other series products. It can meet the needs of high-rise water supply, environmental protection, mining, metallurgy, petroleum, chemical, steel, coal, power stations and other industries.

Centrifugal Pump,chemical pumps,screw pumps,booster pumps,mud pump

Rugao Yaou Import & Export Trade Co., Ltd , https://www.ntyaou.com

Posted on