My company production of American standard cast iron drain use grey iron casting, Using centrifugal casting，compact texeasy，thickness pipe wall, heavy -weight，The interface is made of stainless coupling and rubber sleeve connection,easy to assemble and unassembled. Product model is complete，completely meet ASTM A888/CSA B70 standards，and through the UPC certification for approval. Feature:Durable more than expected life span of the buildings; Non-combustible material, don't spread spark, non-toxic; Corrosion resistance, aging; Expansion and contraction coefficient; Low noise; Flexible earthquake, strong tolerance, light weight; Joint seepage and seepage; In the design of the standardization, integration (can be connected with other pipes), beautiful; Easy installation, maintenance, environmental protection can be completely recycled.

This group of cast iron drainage pipe with grey centrifugal casting, Using electrostatic spraying process（TML）. The process a coating can be thicker coating, coating corrosion resistance performance is very good. Use powder electrostatic spraying process, high efficiency, suitable for automatic coating line, powder utilization ratio is high, the recycled use. With a enhanced whirl cross can make up a special stand-up drainage pipe system.

The feature of the system:

1. Silence

Stand-up water folw and horizontal water flow come into whirl flow by special pipe structure,this design is good to reduce water flow speed,reduce impact between water and pipe wall,so as to reduce the noise.

2. Large Flow Rate

Upper and under connection design which avoid water block,keep air smooth in the pipe,sure the pressure balance in the pipe, is good to improve drainage ability.

3. Cleanliness

Should use floor drain match with the special stand-up pipe.The area rate should>1.

4. Save Energy & Reduce Wastage

No-need Ventilated stand-up pipe,whice is reduce large material and construction cost,also increase using area.