R134a central air-conditioning hose

      Company Information    Hengshui Zhongbo Imp.& Exp. Co.,Ltd. is is a modernization of large-scale manufacturing enterprises. Our factory is located in Hengshui, the rising city nearby Tianjin Seaport and Beijing International Airport, which covers about 26,000 quare meter .    Our products were exported to more than 30 countries, such as USA, UK, Germany, Korea, Russia, Iran, India, Pakistan, Kuwait, Brazil, Argentina, Venezuela, Indonesia, Malaysia, and so on. Our products not only completely reach the National Standard, but also have passed ISO9001 quality management system certification.   We have strong technology power and advanced examination equipments to make the quality products. The quality principle is: do our best to meet customers' requests, offer our best products and perfect services, persist with improving our management to make Zhongbo brands. 

Welcome to visit us warmly,Zhongbo is your ideal business partner and reliable friend! Our goal is to become the friend of all of our real &potential customers,and our friends can be found everywhere in the world!    Product Description    1. DN: 6-19 2. Inner rubber layer: made of CLLR rubber, it has high consistency to F-134a cold media and     added polygon. 3. Outer rubber layer: made of EPDM or CR rubber. Resistant to permeation, ozone. Outside     black or green smooth. Surface or cloth grain face.  

No.	1	2	3	4	5	6	7
Bore	5/16	13/32	1/2	5/8	3/4	7/8	9/8
(mm)	8	10	13	16	19	22	28.5
Tolerance  (mm)	8.4±0.4	10.4±0.4	13.4±0.4	16±0.4	19±0.4	22.2±0.7	28.5±0.7
Outer Diameter  (mm)	18.8±0.4	22.5±0.4	23.2±0.4	28.6±0.4	27.8±0.4	33.3±0.7	39.7±0.7
Pressure (Mpa)	3.5	3.5	3.5	3.5	3.5	3.5	3.5
Explosion Pressure  (Mpa)	12.0	12.0	12.0	12.0	12.0	12.0	12.0
Structure	Woven cotton	Woven cotton	Woven cotton	Woven cotton	Woven cotton	Woven Steel	Woven Steel
Permeation	1.96kg/m2/y
Pulse	13.5kg/cm  over 200 thousand times

                    Our Services      Our Products:
1.Wire Braided Hydraulic Hose: SAE &DIN Series (R1,R2,R5,R16,R17,1SN,2SN,1SC, 2SC)
2.Wire Spiral Hydraulic hose : SAE & DIN Series ( R9, R12, R13, R15, 4SP ,4SH)
3.Texible Braid Hydraulic Hose : SAE 100 R3, SAE 100 R6
4.Rubber Resin Hose: SAE100 R7 / EN 855 R7, SAE 100R8 / EN855 R8 5.Low Pressure Hose ( air hose,water hose,oxygen hose,LPG hose,twin hose.) 6.Steam Hose,Hose Assembly,Teflon Hose,Stainless Metal Hose If you interested in our products, pls contact with me, i am online all work time from Mon. to Fri.       Packaging & Shipping   FAQ   Payment Term: TT in advance or L/C at sight Shipment: By sea or by rail