Welcome to SYI Group

Technical Specifications: 

Design: DIN3352

Face to face: DIN3202-F4

Flange drilling: DIN2531 / DIN2532 /DIN2533 / EN1092-2

Main Parts and Material:

Main Dimensions:

1) Standards:

a. ANSI

b. API608

c. API6D

d. BS

2) Test Standard: API598, API6D

3) Face to face is according to ANSI B16.10

4) Flange drilling is according to ANSI B16.5a

5) Material:

a. Cast Iron

b. Stainless steel

c. Carbon Steel

d. WCB

6) Operation: Manual, Electric actuator

7) Media: Water, Oil, Gas etc.

8) Working Pressure: 150LB-600LB

9) Working dimensions: DN15 DN250

10) Coating: Fusion Bonded Epoxy Powder Coating

More information is available upon receipt of your enquiry.

Specialist in Municipal, Drainage & Machinery Products & Service

SYI is GroupGroup Companies have served the society for over 20 years with best Municipal, Drainage and Machinery products.  

···SYI Foundry

···SYI Pipeline Corporation

···SYI Industrial Casting Division 

···SYI Forging Factory 

···SYI Aluminum Division

SYI is the Specialist in Municipal, Drainage & Machinery Products & Services, including pipes, fititngs,couplings, valves, manhole covers, bollards, and OEM products in different materials ,sizes and technical processes. Now I invite you to visit our site .

Our aim is to provide all of our customers with VALUE of the products in stead of only low prices

 About SYI Valves :

• Gate Valves, Check Valves, Butterfly Valves, Strainers, Fire Hydrants and Full ranges of Pipeline products & accessories
• DIN / BS / EN / API / ANSI / AWWA Standards available with different Material & Specs
• Competitive Price, Reliable Quality & On-time Delivery 

Gate Valve	Butterfly Valve	Y-Strainer Valve
Underground Fire Hydrant	Cast Steel Gate Valve	Cast Steel Globe Valve
Cast Steel Swing Check Valve	Russian Standard Gate Valve	Swing Check Valve

• Reliable Quality Assured by ISO 9001 2008
• Competitive Price by Strict Cost Control
• On-Time Delivery by All- Process Production Plan and Control

" SYI regards quality as an essential and integral part of our business success. To meet this, we have achieved all types  of  world-known  certificates. Manufacturing "SYI" Brand products has evolved as a  mark of quality and our products find warmacceptance in domestic as well as international market. "

 Design :

• A group of highly experienced technical engineers is right here waiting for any of your requests.
• Professional softwares are used for design and test.
• We are able to use most of the world-wide engineering softwares, including AUTO Cad, Pro Engineer, Solid Works and etc.

More certification ... (Contact us!)