Posts Tagged ‘valves’

SINGLE SOURCE SUPPLY Single source procurement patterns are now becoming increasingly popular. GSL has strong long term alliances with various manufacturers and suppliers giving us a high level of capability to manage single source supply agreements. We can quote on fixed term contracts/blanket orders to supply valves, flanges, fittings and all pipeline components and manage […]

The API6D test for a factory tested ball valve in regard to seat leakage only requires seat leakage to pass test on the second seat on the other end of the valve in both directions. There is not a mandatory double block and bleed cavity drain test requirement unless especially requested by the customer. Consequently, […]

Spring Return Handle provides unassisted opening or closing of manually operated quarter turn valves. The model 71 and S7 Spring Return Handle for example, driven by a powerful, completely enclosed torsion spring, automatically returns the valve to the desired fully-open or fully-closed position when released. Automatic valve repositioning is a convenience and safety feature for […]

Early last century there was Cameron (USA) (which the Russian’s copied!) and then WKM (USA), then along came Grove (USA), in Japan along came Kitz, then KTM and IKS (WKM under license). In Europe there was Borsig (Germany) and TK (Scotland), not long after in the early 70’s came BC Richards Australia (who also made […]

Examples of our stock holding quality points of difference include: – Anti corrosive film on internals and gasket face Selected stainless and zinc plated top works components. Stainless external components such as sealant injection nipples on premium brand ball valves. Equilibrated 2-stage disc on large size globe valves as well as hammer blow hand wheels. […]

You’ll find these handy tables and many more in the Valve Technical Library at our website. Click here to view and bookmark all of our valve and piping technical references.

Seat testing optional, did you know? The table below shows API598 testing is optional in several key test areas. Global Supply Line and Australian Pipeline Valve always perform all hydrostatic & pneumatic tests whether optional or not, whether from stock or indent. In addition, Global Supply Line also provide full certification on all trim components […]

  Trunnion mounted ball valves often have corrosion inhibitor in the sealant injection lines to prevent corrosion during ocean transport or due to humidity etc. The trouble with this is, nowadays they use synthetic oils. Synthetic oils become dry and tacky, and the seat and ball area become dry and tacky/sticky. After the actuator is […]

Even if you’re ordering from a quality valve manufacturer, they often sub contract out special painting of the valves. Typical problems involve not taping up the stem area or indeed the bore area properly or the tape falling off. Sandblasting residue can ingress into the stem area or into the seat area. Initially this may […]

Another top up shipment of high quality, investment cast, APV firesafe certified floating ball valves has been received in. ‘Full Stainless Steel’ means full stainless steel lock device, mount pad,  hand lever and bolting not just body. True ANSI B16 wall thickness. Heavy duty rugged T bar and pole lever, not light duty lever. Fully […]

PMI Testing

October 4th, 2016 by Amanda Schumann

Global Supply Line offers positive material identification if required with no delay. We have in-house non destructive metallurgical testing capability for the following chemical elements: A105, WCB, LCB, LF2, LCC, WCC, CF8, CF8M, F51, F53, A20, Monel etc. Of course all product is supplied with factory 500493.1 certificate as standard, however should you require additional […]

Another shipment of Starline floating and trunnion valves and Air Torque actuators has arrived. Global Supply Line Adelaide stocks valves, a variety of seats & seals, genuine Starline stainless steel integral high and low temperature extended stems, and genuine Air Torque high tensile stainless steel brackets and adaptors. In addition, we have in-house Starline & […]

Dampening & speed controlling with counter weights & dampeners & counter balance spring, etc. Testable Swing & tilt types Metal or soft seat API6D full port piggable Usually the actuator is composed of a pneumatic cylinder with a single effect piston, counterbalanced by a spring. The actuator is mounted on one side of the swing […]

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