BreakFlange Kits for Mueller Chatanooga Improved


	Genuine Mueller^® BREAK FLANGE Rebuild KITS


	Updated 01/26/2009

This page includes the following information:

Break Flange Rebuild Kits
Special Repair Tools
Bonnet and Break Flange Maintenance [Link]
Operating Cycle of Mueller Hydrants [Link]


	Maintenance Procedures

The picture at left is a complete 2-piece Break Flange. Notice the inner groove on both half's of the break flange castings. When a Mueller Hydrant gets hit, the casting grooves break off into small pieces, as illustrated in the picture above. The remainder of the break flange castings remain bolted to the hydrant head bottom.


	The Break Flange Rod COUPLING Type furnished within the Mueller Break Flange Kits will depend on the year of the Improved fire hydrant build date. See Below

Break Coupling design prior to 1972 consisted of a 2-piece Brass Coupling that interlocked and held in place with a set screw. During the production year 1972 the break coupling was changed to a 1-piece Steel coupling with clevis and cotter pins.

If the Improved hydrant head is completely broken off, obviously by looking at the style attached you can determine what design it is and order accordingly. If the head did not completely break off or if during cycling of the operating nut you find that it is just spinning then the break coupling would be the first part to check on. Visual inspection of the internal break coupling design should be checked prior to ordering these parts.


	1972 YEAR ONLY REPLAY


	If you are ordering any of the following parts and they are for your Chatt. hydrant dated 1972, you had better first physically check that hydrant to see what Stem Coupling Build it actually was built with....as described above.


		BRASS COUPLING DESIGN


	STAINLESS STEEL COUPLING DESIGN

Genuine Mueller^® BREAK FLANGE Rebuild KITS


	For All Mueller^® Chattanooga"IMPROVED" Series Fire Hydrants 4¼", 4½", 5¼", 6¼" Main Valve Sizes

		COMPLETE INSTRUCTION MANUAL IS FURNISHED WITH ALL BREAK FLANGE KITS


	Safety Flange Kit Complete with BRASS COUPLING DESIGN

IMPROVED Series SAFETY FLANGE REBUILD KIT Fits Main Valve Sizes: 4-1/4", 4-1/2" with 2-Piece BRASS COUPLING design
Order 133537		$214.40
Consists Of	Part #	Description of part
(1)	133034	Bonnet Gasket
(1)	133108	Brass Safety Stem Coupling
(1)	133248	Set Screw for above Coupling
(1)	133019	Brass Safety Sleeve
(1)	133118	Safety Flange Pair
(8)	133124	Safety Flange Bolt and Nut
(1)	131170	Lubricant (10.5 oz) for Bonnet
QTY:

IMPROVED Series SAFETY FLANGE REBUILD KIT Fits Main Valve Sizes: 5-1/4" with 2-Piece BRASS COUPLING design
Order 133538		$214.14
Consists Of	Part #	Description of part
(1)	133036	Bonnet Gasket
(1)	133108	Brass Safety Stem Coupling
(1)	133248	Set Screw for above Coupling
(1)	133019	Brass Safety Sleeve
(1)	133120	Safety Flange Pair
(8)	133126	Safety Flange Bolt and Nut
(1)	131170	Lubricant (10.5 oz) for Bonnet
QTY:

IMPROVED Series SAFETY FLANGE REBUILD KIT Fits Main Valve Sizes: 6-1/4" with 2-Piece BRASS COUPLING design
Order 133539		$225.96
Consists Of	Part #	Description of part
(1)	133038	Bonnet Gasket
(1)	133108	Brass Safety Stem Coupling
(1)	133248	Set Screw for above Coupling
(1)	133019	Brass Safety Sleeve
(1)	133122	Safety Flange Pair
(4)	133128	Safety Flange Bolt and Nut
(1)	131170	Lubricant (10.5 oz) for Bonnet
QTY:


	Safety Flange Kit Complete with STAINLESS STEEL COUPLING DESIGN

IMPROVED Series SAFETY FLANGE REBUILD KIT Fits Main Valve Sizes: 4-1/4", 4-1/2" with 1-Piece STEEL COUPLING design
Order 131183		$205.22
Consists Of	Part #	Description of part
(1)	133034	Bonnet Gasket
(1)	133334	Safety Stem Coupling
(2)	133344	Clevis Pin for above Coupling
(2)	133352	Cotter Pin for above coupling
(1)	133118	Safety Flange Pair
(8)	133124	Safety Flange Bolt and Nut
(1)	131170	Lubricant (10.5 oz) for Bonnet
QTY:

IMPROVED Series SAFETY FLANGE REBUILD KIT Fits Main Valve Sizes: 5-1/4" with 1-Piece STEEL COUPLING design
Order 131185		$205.22
Consists Of	Part #	Description of part
(1)	133036	Bonnet Gasket
(1)	133334	Safety Stem Coupling
(2)	133344	Clevis Pin for above Coupling
(2)	133352	Cotter Pin for above coupling
(1)	133120	Safety Flange Pair
(8)	133126	Safety Flange Bolt and Nut
(1)	131170	Lubricant (10.5 oz) for Bonnet
QTY:

IMPROVED Series SAFETY FLANGE REBUILD KIT Fits Main Valve Sizes: 6¼" with 1-Piece STEEL COUPLING design
Order 133454		$216.55
Consists Of	Part #	Description of part
(1)	133038	Bonnet Gasket
(1)	133334	Safety Stem Coupling
(2)	133344	Clevis Pin for above Coupling
(2)	133352	Cotter Pin for above coupling
(1)	133122	Safety Flange Pair
(4)	133128	Safety Flange Bolt and Nut
(1)	131170	Lubricant (10.5 oz) for Bonnet
QTY:


	SPECIAL TOOLS Required For Break Flange Rebuilding


	When rebuilding the Break Flange the Mueller hydrant BONNET must be disassembled and then reversed as the head is put back together. That said certain Special Tools are recommended for the Bonnet.


	For Chattanooga - IMPROVED series Break Flange Replacement and Bonnet rebuilding the following special tools are recommended. Their use is illustrated on our Improved Bonnet Maintenance procedures page. The link is listed below.


	Hydrant Head Maintenance WRENCH




		The large end is used to remove and install the Hold Down Nut [in red] from all Mueller Hydrants.


	The middle of the wrench removes the weather cap and operates both rocker and pin lug adapters that are attached to the nozzles.


	The Small end is called a Wrench Nut. The wrench nut ends of the hydrant nozzle CAPS should have the same Shape and Size as the Operating Nut.

NOTE**



	Please specify the Size and Shape of the Wrench Nut when ordering. National Standard size and shape is 1 1/2" Pentagon, measured from point to opposite flat. When ordering, L&C supplies the Standard 1-1/2" Pentagon Size unless otherwise noted. Square, Hexagon, or other types can also be furnished.

Description

LC №

Each

Order

Mueller Hydrant Head Maintenance Wrench

131173

$ 29.41


	BRASS SLEEVE for bonnet removal

The bonnet removal Brass Sleeve is used to protect the Bonnet O-rings and stem threads from being damaged when removing and/or replacing the Bonnet Assembly back onto the upper barrel. For Centurion and Improved design dry-top hydrants. The sleeve is 14" long and includes a detent inside of sleeve. This detent makes the sleeve a threaded On and Off design.
This holds the Brass Sleeve onto the stem threads while you are removing and reinstalling the bonnet.

Description

LC №

Each

Order

14" Brass Sleeve with Detent for Mueller Bonnet repairs

131177

$ 68.00


	The sleeve is 11" long. For Centurion and Improved design dry-top hydrants. No detent inside of sleeve.

Description

LC №

Each

Order

11" Brass Sleeve for Mueller Bonnet repairs

131175

$ 38.50






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