
Tensile strength(Mpa) | Elongation(%) | Brinell hardness(HB) |
≥420 | ≥5 | <=250 |
Material | Ductile iron ASTM A536. |
Working Pressure | 350 PSI rating for 4"-24" sizes, 250 PSI rating for 30"-48" sizes. |
Coating | |
Externall coatings: bitumen painting;zinc +bitumen painting;liquid epoxy painting;epoxy applied by FBE;according to customers' requirements. | Internall coatings: bitumen painting;cement mortar lining;;liquid epoxy painting;epoxy applied by FBE;according to customers' requirements. |
Reference Rules | Dimensions and testing in accordance with ANSI/AWWA C153/A21.53. |
Special fittings are available.


-Flanged pipe fittings,
-Loosing flanged pipe fittings,
-Push-in socket pipe fittings (Tyton),
-Mechanical Joint socket pipe fittings (MJ),
-Express socket pipe fittings (EX),
-Fittings for uPVC pipes,
-Fittings for PE pipes,
-Other Pipeline Accessories.
Package

Quality Control
SYI Pipeline regards quality as an essential and integral part of our business success.
Until now, we are ISO9001:2015 TUV, BSI Kitemarked, SGS, BV, FM certified, and UL, WRAS listed. We are the approved supplier to many worldwide known countries and authorities.
Manufacturing "SYI" Brand products has evolved as a mark of quality!


are ready. We are capable to finish all the production processes from moulding, shot-blasting, machining, coating to packaging. We have over 100,000 m2 foundry land including:
-10,000 m2 of the pattern, sand mixing, polishing, machining, hydraulic pressure, coating, packaging workshops;
-4,000 m2 of three green sand moulding workshops and one resin sand moulding workshops;
-3,000 m2 of automatic moulding machine line and epoxy coating line
-professional laboratory
-machining shop
-and our own tooling shop
Strict process and operating regulations together with perfect quality assurance system making every production step under control. All the products are subject to tests and inspections including composition analysis, metallographic examination, dimension & surface finish inspection, ring test, tensile test, hardness test, hydrostatic test, lining and coating test to be sure that the products meet the requirements of the standards.
Since 2009, SYI Pipeline has developed from a pipes & fittings seller to a professional project solution provider, including the one stop service and solution from pipes, fittings, couplings & flanged adaptors, valves, fire hydrants, to water meters and accessories.

SYI products have served 111 countries worldwide up to now!
Most of these customers cooperated with SYI for more than 20 years!
We value long term cooperation relationship mostly!



A: Yes, we can provide you the free samples, but you need to bear their own delivery costs.
2. Can I request to change the form of packaging and transportation?
A: Yes, We can change the form of the packaging and transportation according to your request, but you have to bear their own costs incurred during this period and the spreads.
3. Can I request to advance the shipment?
A: It should be depends on whether there is sufficient inventory in our warehouse.
4. Can I have my own Logo on the product?
A: Yes, you can send us your drawing and we can make your logo, but you have to bear their own the cost.
5. Can you produce the products according to my own drawings?
A: Yes, we can produce the products according to your drawings that will be most satisfy you.
6. What's your terms of payment?
A: T/T, L/C , Alibaba Trade Assurance available, full protection for your orders.
7.Do you accept custom design on size?
A: Yes, if the size is reasonable
8.Transportation
Transported by DHL, UPS, EMS, Fedex, SF, by Air, by Sea.
Welcome to send us an inquiry for more details and price!!!