**Please note that pictures may not properly represent actual products**

Style 471 | PipeLock Restraint | Steel Coupling | Ductile Iron Pipe

Nominal Size: 3 in
OD Range: 3.96 in
Sleeve Length: 7 in
$ 409.16
SKU: 471-00000396-203
Weight: 29.0 lb

Style 471 | PipeLock Restraint | Steel Coupling | Ductile Iron Pipe

Typically ships in 7-10 business days


Product Features:

  • This is a fabricated Steel restraint coupling.
  • Application Joins and restrains a plain-end Ductile Iron pipe to plain-end Ductile Iron pipe or plain-end Steel pipe to plainend Steel pipe with no other method of restraining pipe required.
  • Mechanical restraint shall be an integral part of the follower gland utilizing multiple single tooth wedges
  • Breakaway nut torque per wedge is 45 to 60 ft. lbs
  • Longer sleeves available

Style 471 Smith Blair Spec Sheet


  • SLEEVE ASTM A283 Gr. C or Carbon Steel having a minimum yield of 30000 PSI
  • FINISH Flexi-Coat Fusion-Bonded Epoxy
  • Cam-Lock‚¬ž Specifications
  • GLAND 65-45-12 Ductile Iron (ASTM A536)
  • WEDGES Single Tooth Ductile Iron heat treated for Ductile Iron pipe applications
  • ACTUATING BOLTS 60-40-18 Ductile Iron (ASTM A536)
  • BREAKAWAY NUTS Carbon Steel
  • FINISH Gland is Flexi-Coat Fusion-Bonded Epoxy per AWWA C213 Wedges and actuating bolts are E-coated Epoxy
  • Kit Specifications
  • GASKET SBR Standard Mechanical Joint per ANSI/AWWA C111/A21.11 SBR Multi-Seal gasket or MJ transition gasket for Steel/IPS ODs. 30-48 sizes supplied with Smith-Blair MJ gasket all other sizes use standard MJ gaskets
  • STUDS/NUTS High strength low alloy per AWWA C111 Optional 304 Stainless Steel or fluoropolymercoated nuts.
  • Pipe Applications Ductile Iron Carbon Steel
General Information

Q) When will my item ship?
A) Most items ship with-in 24-48 hrs.

Q) When will I get the tracking number?
A) Trupply ship items from multiple warehouses. Tracking number is available 24 hrs after shipping.

Q) What is your return policy?
A) Trupply offers 100% refund for unused items with-in 30 days.

Q) How can I get MTR?
A) MTRs are provided upon request. You can mention it at the time of order under "Order Notes" or email customer service.

Q) Who pays for shipping?
A) The buyer

Q) Where is Trupply located?
A) Trupply's main warehouse and office is in Houston TX.

Q) What are your customer service hours?
A) Monday to Firday 8 AM to 5 PM Central Time.

Q) I have more technical questions.
A) Email or call us for further help.

Country of Origin

Domestic Products Manufactured or Assembled in USA

Technical Specifications
Test Report, Data Sheet And Drawing

Coming Soon

Questions & Answers

Have a Question?

Be the first to ask a question about this.

Ask a Question

Customer Reviews

No reviews yet

Related products