With more than 50 years experience, DLM offers expert advice, a comprehensive technologically advanced range of products, a substantial stock holding and an extensive branch infrastructure capable of providing skilled technical and sales service. *Valves: pneumatic actuators and accessories; instrumentation valves and fittings; control valves safety and relief valves; pressure reducing valves; bursting discs and explosion panels; flame arrestors; strainers; crown, gate, globe, check, ball, ball float, parallel slide and plug valves; thermostatic mixing valves; boiler fittings; associated equipment. *Flow: Positive displacement, mass and turbine flow meters; mechanical and electronic presets and registers; etc. *Instrumentation: Ultrasonic flow, level and density measurement and control: float and displacer level switches; variable area and pitot tube flow measurement; vibrating fork level switches; boiler level controls and automation; etc...

Engineering Merchants

WetTEST Are Agents for Hanna Instruments and supplies equipment and consumables for use in testing of water and various technical fluids. Drinking water and effluent water sampling and testing are core areas of specialty. Hanna supplies a range of portable and bench instruments - photometers, probes (pH, EC, Dissolved Oxygen, ORP and temperature), controllers, pumps and titration systems.

Contact us for more information about our surveying instruments, measuring instruments, GPS / GNSS equipment, hydrographic survey equipment, machine guidance and control, scientific & financial calculators, survey equipment hire and servicing. Environmental and weather monitoring equipment; aquaculture and aquaponics monitoring and control systems. Rental of nuclear densometers (Troxlers), calibration and training required by SA Radiation Control under SAHPRA for industry issuance of Authorities and Licences for radionuclide and laser equipment possession, use, transport. Safety in situations exposed to NORM under the Department of Energy National Nuclear Regulator Authorisations.

Suppliers of Laboratory and Science Chemicals, Instrumentation, Glass & Plastic ware Laboratory Consumables. pH Meters, filter paper, School laboratory equipment, General Laboratory & Scientific Supplies. Test tubes, Bunsen burners, thermometers, Balances, Scales, Microscopes, Clamps, petri dishes, Desiccators, Boiling flasks, funnels, Latex Gloves, Magnetic stirrer, hotplate, tubing, mortar & Pestle, Pipette, electricity kits, stopper, spatula, syringes, tripod, compass, science kits, dynamics kit, ticker timer, optics kit, ray box, electroscope, forceps, scalpel, scalpel blades, magnets, pulleys, slinky spring, voltmeter & ammeter, dissecting kit, atomic set

Manufactures and supplies electro-analytical instrumentation and equipment for agriculture, food, beverage, chemical, mining and general industries. Dosing pumps, Titration Systems, pH, pH and ORP electrodes, conductivity, TDS, Redox, salinity, dissolved oxygen, temperature, relative humidity, magnetic stirrers, turbidity, chemical oxygen demand, photometers for alkalinity, ammonia, bromine, calcium, magnesium, chloride, chlorine dioxide, chlorine, copper, chromium 6, cyanide, cyanuric acid, detergents, fluoride, hydrazine, iodine, iron, manganese, molybdenum, nickel, nitrate, nitrite, nitrogen, ozone, phosphate, phosphorous, potassium, silica, silver, sulfate and zinc