TPT May 2012

I nspection & T esting

Safer high voltage porosity detection

The steel pipe spraying paint machine is used for anti-corrosion of pipe surface, to avoid rust during transportation and storage. The working process is to move the steel pipe on the spraying vertical conveyor, and uniformly pass the outer wall spraying device carrying the pipe at a certain speed. When the spraying device detects the workpiece and marks the diameter, the automatic spray gun will open and automatically spray the workpiece’s surface. The spray gun automatically shuts off when the workpiece moves out of the spraying station. During the spraying process, overspray is collected by a recycling hopper and flowed into a recycling tank. The recyclable paint is reused after being filtered. Through the mist and waste gas processing systems, the distributing mist and organic waste gas during the spraying process are exhausted outdoors by fan. Qingdao Rising Machine & Electric Technology Co Ltd – China the correct voltage required for their coating thickness value. Supplied complete with 2 rechargeable battery packs (and charger), 5m (16ft) trailing earth lead, rolling spring holder and 250mm (9.8") extension rod; just select the appropriate probe electrode from the comprehensive range of accessories to suit your application. The Elcometer 280 Holiday Detector Inspection Kit is supplied in a rugged, light weight wheeled transit case, designed to hold up to 6m (30ft) of stainless steel or up to 20m (66ft) of phosphor bronze rolling spring – ideal for easy transportation to site. The Elcometer 280 Pulsed DC Holiday Detector complements the wide range of high voltage holiday detectors, low voltage and UV pinhole detectors available from Elcometer. Elcometer – UK Website: www.elcometer.com

FOLLOWING three years of intensive research and development to make pulsed DC holiday detection safer, easier and

Fully charged in 4 hours and weighing only 3kg (6.6lb), the Elcometer 280 can provide up to 30 hours of continuous use. Rugged, shockproof, water resistant and incredibly safe: with its two stage safety switch, bright LEDs, screen icons and buzzer signifying when the high voltage is on, extended ribbing to protect the user from spark creep, and much much more, the Elcometer 280 raises the bar in safe pulsed DC porosity detection. Users can either set the test voltage manually or can let the internal Voltage Calculator automatically set the gauge to

more reliable than ever before, Elcometer is pleased to report on its new Elcometer 280 Pulsed DC Holiday Detector. Using state-of-the-art electronics to safely generate the required high voltage DC pulses, the Elcometer 280 detects holidays in coatings without the need to ground the gauge to the substrate – ideal for pipeline, and large surface, porosity inspection.

Measurement and marking equipment for steel pipe

QINGDAO Rising Machine & Electric Technology Co Ltd provides equipment for weighing, length measurement and marking of pipe, as well as colour band equipment, drifter machines, and machinery for spraying paint on steel pipe surfaces during seamless steel pipe, straight seam steel pipe and oil pipe production processes. The equipment for weighing and length measurement marking for steel pipe is mainly composed of a weighing device, length measurement device, spraying code equipment, marking equipment, colour band equipment and an electric automatic control system. Some users can increase or decrease the devices to meet their own requirements, such as before steel

pipe packaging, the need to detect and mark steel pipe according to API standard requirements. The main purposes are: to measure steel pipe bar by bar, to judge whether it is qualified (whether the pipes’ length, wall thickness and weight are matched, and whether the length scope is qualified); to facilitate production statistics and determine total length, weight and number of various specifications of pipes; to mark the steel pipes’ grade with different colour bands; and to mark the pipes’ manufacturer, standard, heat number and production date on the pipe surface. The steel pipe drifter machine is mainly used to detect pipe’s straightness, passing from one end of the pipe to the other with

a standard drift diameter gauge. The equipment is mainly composed of frame, feed gauge device, launch gauge device, conveying system and receive gauge device.

Fax: +86 532 55662603 Email: qdrx@sohu.com Website: www.qd-rising.com

Marking of pipe surfaces

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M ay 2012