Oscillating Flange for Brass Monitor 4" flange x 4" flange unpainted

The Style 3531 Oscillating Flange has been designed, engineered, and tested to protect some of the world's most valuable assets.

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Starting at $5,875.00 MSRP
All prices listed are the manufacturer’s suggested retail price, also referred to as "List Price", and are for U.S. domestic resale and exclude any: Local, State and/or Federal sales and excise taxes; International Tariffs and Taxes; and Shipping. Final price will be set by retailer. All prices, terms and conditions are subject to change without notice. Special Orders - Akron Brass produces many items to specification that are not carried in stock; after an order in this category has been accepted and placed in the process of manufacturing, no cancellations will be accepted.
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Availability: Now shipping within 10 business days. Exclusions may apply
Availability refers to the estimated time to ship the item in standard configuration, from Akron Brass' facility. Non-standard threads and quantities in excess of 10 may require longer ship dates. Total delivery time is subject to carrier selection and distance to destination. All shipping estimates are subject to change without notice.
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Oscillating Flange for Brass Monitor 4" flange x 4" flange unpainted

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The Style 3531 is capable of flows to 1500 gpm at an oscillation range up to 165° and is compatible with most Akron Brass manual monitors. Its unique maintenance-free polymer bearing design, high quality material construction and superior performance make it the ideal choice for a long-term, low service solution for protecting your hazardous and harsh environments.

Oscillating Flange

- Maintenance-free polymer bearing (no ball bearings)
- Totally water powered (no electrical connections)
- Heavy-duty low friction loss brass waterway
- Stainless steel water drive turbine for long life performance
- Oscillation range: 30°, 60°, 90°, 115°, 140° and 165°
- Adjustable oscillation speed: 0-40 deg. / second
- Operating pressure: 50-250 psi (3 - 17 bar)
- Maximum flow and pressure: 1250 gpm (4750 lpm) @ 250 psi (17 bar) or 1500 gpm (5700 lpm) @ 180 psi (12.5 bar)
- Inlet & outlet: 4" 150#ASA flange
- Integrated test port allows testing of the Oscillating Flange without discharging water from the monitor


Oscillating Flange for Brass Monitor 4" flange x 4" flange unpainted Video


Style 3531
Certification(s) Certification
Weight 120 lbs (55 kg)
Type Oscillating
Material Brass
Width 21.5in (546.1mm)
Height 15.44in (392.18mm)
Depth 16.75in (425.5mm)

Access Drawings for Engineers

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Name Type

Installation and Service Documents

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Name Sheet #
Manual View File Style 3531 Operating Instructions 122122
Part List View File Style 3531 Technical Services Parts List 122121

Performance Content

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Name Type
FM certificate for Style 3531 View File

Software Updates and Downloads

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Type Description Instructions Version Updated File

Product Updates and Media Files

Description Type Size
View File Akron Brass Industrial Solutions Brochure View File 2.39 MB
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