MHR specializes in mix head repair of straight style mix heads, and the repair of L-Style mix heads, used for Reaction Injection Molding (RIM), Structural Reaction Injection Molding (SRIM) and Reinforced Reaction Injection Molding (RRIM). We also sell replacement parts for your mix heads.

MHR distributes high pressure mix heads used to make polyurethane, chemical metering pumps that supply mix heads, magnetic drive couplers for chemical metering pumps, flow meters to measure the chemicals components being pumped.


Mixed Heads

MHR Tri-Tilt Impingement Mix Heads – For non-abrassive and abrasive applications LEARN MORE


Chemical Metering Pumps

MHR offers Rotary Power and Rexroth Chemical Metering pumps and parts and service for use in the polyurethane foam manufacturing industry. LEARN MORE


Magnetic Drive Couplers

MHR’s line of Magnetic Drive Couplers will couple virtually any chemical metering pump used in high or low pressure RIM. LEARN MORE


VSE Flow Meters

MHR’s line of Magnetic Drive Couplers will couple virtually any chemical metering pump used in high or low pressure RIM. LEARN MORE


Mixed Head Repair Team


MHR has several qualified Service Technicians and Engineers on staff (plus Gordon) to inspect and determine the correct method of repair for each mix head or pump that comes through MHR’s doors. MHR has a dedicated sales team with a Global Sales Manager to help build both domestic and international sales. MHR also has another business division made up of trained lathe, milling, honing and grinding operators to machine the parts necessary to keep the customers coming back.

Whatever the future may bear, MHR wants their loyal customers and future customers to rest assured they will receive the personal attention that has brought them to MHR in the past and into the future.

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Mix Head Repair Warranty

All repairs are warranted for 30,000 shots or 30 days or 180 days from ship date, whichever comes first. The warranty covers only defective workmanship and or parts/seals replaced by MHR. Disassembly of the mix head by non-MHR personnel voids the warranty. Mix Heads should be returned to MHR at customer’s expense for warranty evaluation. Customer’s exclusive remedy is limited to correction of defect by repair or replacement at MHR’s option. In no event shall MHR be liable for loss of profits, indirect, special or consequential damages for any cause. This warranty is in lieu of all other warranties expressed or implied, with no exceptions allowed.

Credit Application

MHR offers credit terms to their customers. Click below to download the credit application and either fax or mail in the completed application for consideration.

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