1. About Our Water Pressure Gate Valves - SYI GROUP: 

Technical Specifications: 
Design: DIN3352
Face to face: DIN3202-F4
Flange drilling: DIN2531 / DIN2532 / 
                           DIN2533 / EN1092-2

Main Parts and Material:

Main Dimensions:

2. About SYI Group Information :

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

3. 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

4. Production Facility :

• 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. "

5. 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.

gate valves supplier and other product design capability

6. We Are Certified !

More certification ... (Contact us!)

7. Contact SYI Group :

SYI Industrial Co., Ltd.

1. Email: info@

2. Tel: 0086 351 4182605

3. Fax: 0086 351 4040962

4.Website:   

You will get our quick reply!

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Best regards

SYI Group