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Quick Details

  • Material: Iron
  • Technics: Casting
  • Type: Flange
  • Place of Origin: Shanxi, China (Mainland)
  • Model Number: Coupling-019
  • Brand Name: SYI
  • Connection: Flange
  • Shape: Reducing
  • Head Code: round
  • Product: pp fittings
  • Surface Treatment: FBE Coating/Powder Coating
  • Quality Control: strict 100% test

Packaging & Delivery

Packaging Details Standard export wooden case, wooden pallets or 100% as per your requirements
Delivery Time 25-30 Days, depends on the demand quantity

Welcome to SYI Group  

pp fittings- SYI Group

 About Our  SYI Universal Flanged Adaptors - SYI Group : 

SYI Universal Flanged Adaptors SPECIFICATIONS

BODY: Ductile iron grade 500-7/ 450-10 in accordance with ISO 1083 or 70-50-05/65-45-12

       with ASTM A536

GLAND: Ductile iron grade 500-7/ 450-10 in accordance with ISO 1083 or 70-50-05/65-45-12 

       with ASTM A536

GASKET: Rubber E.P.D.M./SBR/NR in accordance with EN 681.1

D-BOLTS AND NUTS: Carbon steel grade 8.8/6.8/4.8 with dacromet coating/galvanization

Both PN10 and PN16 drillings in accordance with ISO 7005-2/EN 1092-2
Working Pressure:
16 Bar or 250 PSI
Fluid Temperature:
0°C-50°C, excluding frost
Allowed Angular Deflection:
Joint Gap:

Externall coatings:

liquid epoxy resin painting

epoxy applied by FBE

according to customers' requirements

Internall coatings:

liquid epoxy resin painting

epoxy applied by FBE

according to customers' requirements

Reference Rules:
Designed by SYI and tested in accordance with EN 14525, ANSI/AWWA C219 and EN 545

SYI Universal Flanged Adaptors, designed by experienced engineers in SYI in 2010 and applied the patent, 

with wide range tolerance on O.D. (up to 24mm), SYI Universal Couplings are suitable for jointing

plain-ended pipes with same or different materials and same or different outside diameters within the

pipe O.D. ranges.


The circumferentially ribbed, specially profiled gaskets in the high quality material, provide for smooth

installation by minimizing contact friction and restrict to pull out.


The gasket also provide a leak tight seal across the O.D. range per nominal size and still allow for

thermal expansion and contraction of the pipe (up to 5mm per gasket), facilitated through gasket



SYI Universal Flanged Adaptors , with the further more reasonable sizes and ranges, can allow the pipes of

main sizes in the most reasonable location, and the gasket can be at the perfect situation after


Note: The accessories for SYI Universal Couplings are usually supplied by

assembled on the body.

 About SYI Couplings :

Specialist in Pipeline and Construction Products & Services!

  • Universal Couplings,
  • Universal Flanged Adaptors,
  • Straight Couplings,
  • Straight Flanged Adaptors,
  • Large Range Couplings
  • Quick Adaptors,
  • Dismantling Joints,
  • Clamps,
  • Couplings Products Designed By SYI.

pp fittings - SYI Group 

 Manufacture Process & Quality Control :

  • Manufacture Process:

 Pattern Making                 

Sand Mixing



 Grinding & Shot Blasting


 Coating and Lining

 Accessories manufacturing


 pp fittings - SYI Group  

  • Quality Control:


pp fittings - SYI Group 

 Couplings & Flanged Adaptors Installation Instructions :

 Warning: SYI Couplings and Flanged Adaptors don't restrain axial pipe movement!

pp fittings - SYI Group 

 We Are Certified !

More certification ... (Contact us!)

 Contact SYI Group :

SYI Industrial Co., Ltd.

1. Email: wang#syipipeline.com  ( # = @ )

2. Tel: 0086 351 4182605

3. Website:  www.syipipeline.com 

You will get our quick reply!

Transaction History of the Supplier

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Supplier's Trade Assurance Limit: US $170,000
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