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Ductile Iron Grooved Pipe Coupling DN20 - DN300 For Building Pipeline

Categories Grooved Pipe Coupling
Brand Name: TongJiang
Model Number: Ductile Iron Pipe Coupling
Certification: ISO9001,BV,SGS
Place of Origin: CHINA
MOQ: 5 piece or as the requirment
Price: FOB CHINA USD100-5800 /PC
Payment Terms: Western Union, MoneyGram, L/C, T/T
Supply Ability: 10000PCS/MONTH as the specification
Delivery Time: 5-15 days
Packaging Details: Wooden cases
Coupling Material: Ductile Iron to ASTM A536
Coupling Gasket Material: EPDM, Viton
Coupling Size Range: DN20 to DN300
Coupling Pressure Class: 2000psi (137.8bar)
Coupling Color: Red or Blue or as requirement
Coupling Temperature: -50~150℃
  • Product Details
  • Company Profile

Ductile Iron Grooved Pipe Coupling DN20 - DN300 For Building Pipeline

Ductile Iron Grooved Piple Coupling DN20 to DN300 for Building Pipeline


1. Description

The Model 709 is designed for connection of grooved ultrahigh pressure pipe systems.

Sizes-Inches& Rated working pressure:

3/4" to 6";(DN20 to DN150) 2000psi(137.8bar)

8" to 12 " (DN200 to DN300) 1000psi(68.9bar)

Cut groove only



Ductile Iron to ASTM A536

Surface Finish:

(Antirust paint red or blue)

Hot dip zinc galvanized ,Epoxy power ,Dacromet ,TRFLOW(PTFE), RilsanPA11

Rubber Gaskets:

The gasket seals is C-shaped, made of standard gasket EPDM(ethylene propylene diene monomer) for

cold water, hot water, rare acid, oil-free air and multiple chemical product (-50~150℃).It is not suitable

for medium like petroleum.

Bolts & Nuts:

Round-head, elliptoid-neck, carriage bolts, type carbon iron covered with zinc or dacromet.

2. Grooved Pipe Coupling Drawing



3. Coupling Packing with Plywood

Please feel free to contact with us at angela@tjfmcn.com or filling up an enquiry form instructed at the bottom.

You will get an effective response within 24 hours from TongJiang Team.



1. Our Factory

30 years experience of valve and pipeline industry.

10 senior technical engineers

20000 m2 production area

More than 100 employees to provide professional service.

As the reliable OEM for famous valve brand companies.

t ball valve

2. Factory Show

TONGJIANG Valve Technology Company was established for 30 years.

There are more than 100 employees which includes 10 professional engineers.

OUR SERVICE float ball valve

Reliable Quality, Competitive Price

Reply your inquiry in 2 hours with professional service.


Miss Angela

Mobile: +86 13588429004(Whatsapp)

Skype: angelazhuo1

E-mail: angela@tjfmcn.com

Tel No: +86 571 86991717

Official Website: www.zjtjvalve.com

Quality Ductile Iron Grooved Pipe Coupling DN20 - DN300 For Building Pipeline for sale
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