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Wide Range Coupling - Model 4200 - Item # WRAS Approved Wide Range Coupling-Water Works - United Water Products
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Coupling and Wide Range Adapter Brochure

Wide Range Coupling - Model 4200

WRAS Approved

Wide Range Coupling


The Uni-Fit Model 4200 is a wide range bolted flexible coupling for connecting

plain-ended pipe with IPS (PVC and Steel) Pipe, AWWA C-900 PVC Pipe, AWWA

C151 Ductile Iron Pipe, or Metric (DN) PVC and Ductile Iron Pipe Outside Diameters (OD). There is no need for different end rings or gaskets…the same coupling has a built in wide range to accommodate a number of  pipe sizes and types. Manufactured in accordance with AWWA C219 Standard, the Uni-Fit Model 4200 features a high strength ductile-iron body and end rings, and is Fusion Bonded Epoxy Coated. Connecting bolts and nuts are of high strength steel, electro-galvanized for corrosion resistance (Fusion Bonded Epoxy Coating also available)



1.  Middle Ring - Ductile Iron, ASTM A536, Grade 65-45-12

2.  End Ring - Ductile Iron, ASTM A536, Grade 65-45-12

3.  Gasket - EPDM

4.  Bolt - High Strength Zinc Coated Steel*

5.  Nut - High Strength Zinc Coated Steel

6.  Washer - High Coated Zinc Plated Steel

7.  Coating - Fusion Bonded Epoxy Coated to 200 Microns**

8.  Working Pressure: 250 psi


*    Stainless Steel Type 304 Optional

**   NSF 61 Approved Material 


Product variations and sizes




Wide Range Coupling

Model 4200


Contact United Water Products


To learn more about pricing, product customizations, delivery times and more, please call United Water Products directly at 877-766-4459 or send us an email through our Contact form.

United Water Products

Valves, hydrants and pipeline accessories for Water Works and Fire Protection


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