MFDEJ Masonflex Neoprene connectors are all designed with multiple plies of DuPont Kevlar® tire cord and Neoprene reinforcement. They are molded in hydraulic rubber presses where high pressure air bags expand inside the preforms to force the carcasses against the mold walls. The molds are held between heated platens, so vulcanization takes place in the…
MFEJ Masonflex Neoprene connectors are all designed with multiple plies of DuPont Kevlar® tire cord and Neoprene reinforcement. They are molded in hydraulic rubber presses where high pressure air bags expand inside the preforms to force the carcasses against the mold walls. The molds are held between heated platens, so vulcanization takes place in the…
Principles of Our Work Precision with every product. Quality over quantity. Transparency with our contractors. Efficiency and time management gets the job done faster. Satisfaction guaranteed. Project Support Excellent Customer Service Our History Mercer Rubber Company, established in 1866, is the oldest U.S. manufacturer of rubber expansion joints, flexible duct connectors and industrial hose. With…
FLEXIBLE HOSES Stainless Steel Flexible Connectors contribute to the solution of vibration, noise, expansion and offset motion problems in piping systems. Assemblies are designed for both high and low temperatures, as well as high pressure and full vacuum. Stock sizes include 1/2” (13mm) through 16” (400mm) pipe diameter. Temperature ranges are from below 0°F (-18°C)…
SAFEFLEX Safeflex expansion joints are molded and vulcanized in hydraulic presses. This high pressure process produces a smooth finished product with outstanding adhesion between the cover, reinforcement and tube. Most of our competitors still use Natural Rubber impregnated Nylon tire cord between sulfur cured, EPDM covers and tubes. This construction becomes brittle with age at…
MASONFLEX In 1976 we introduced our first spherical expansion joints, under the name “MASONFLEX”. Although we had higher burst pressures than the other manufacturers, our technical literature still made people aware that Nylon reinforcement had to be derated at higher temperatures. MASONFLEX connectors did not always require control rod protection as the lengths at given…
SPHERICAL EXPANSION JOINTS In 1976 we introduced our first spherical expansion joints, under the name “MASONFLEX”. Although we had higher burst pressures than the other manufacturers, our technical literature still made people aware that Nylon reinforcement had to be derated at higher temperatures. MASONFLEX connectors did not always require control rod protection as the lengths…
Forty or fifty years ago all spool type flanged rubber expansion joints were hand built and many are still being made that way today. Hand built quality depends on a technician working at a slow speed foot controlled lathe that turns a form of the proper inside diameter. The form has a centered rubber arch…
Viton® Provides Highest Reliability in Contact with Gaseous Chlorine, Acids and Abrasive Slurries Flexible expansion joints in critical process streams resist attack from chemicals, heat and mechanical abuse. Viton assures a long, maintenance-free service life. Producing titanium dioxide (TiO2) — the brilliant white pigment used in paint, paper and a host of other products —…
MERCER Elastomer Chemical Resistance Guide This guide is designed as an aid in selecting common elastomers used to conduct some of the many types of materials found in industry. Improper selection of tube and/or cover materials can result in decreased service life, or complete failure of the expansion joint. For example, Natural Rubber is an…