In floating ball valves 316 (CF8M ball) trim is the standard because under 150mm there is only a minimal cost advantage using ENP trim in 150/300 class as the ball wall thickness is not large and the balls are mass produced keeping the costs down. However, in the trunnion mounted arena 316 trim is utilised […]

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.

Steamco manufactures cast steel steam valves for boilers, geothermal applications, power plants and general steam applications. Valves are manufactured in ASME class 150, 300, 600, 900, 1500 as well as AS and BS table D to H and PN 2.5 to 420. Valves Manufactured Isolation valves: Parallel Slide Gate Valves and Geothermal Gate Valves. Piston […]

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 […]

Check out our entire valves and piping technical library for all your reference needs here. Don’t forget to bookmark this section for reference later.

  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 […]

  Most people would have noticed that companies in Korea use the same certificate/witness to produce all valve firesafe certificates. Does anyone ever notice that these certificates have every single Class (150 to 2500), for each individual valve type, every single material grade (Duplex, Stainless, Carbon, Alloy, etc.), every size (1/2” to 60”) and every […]

Australian Pipeline Valve (APV) brand manufacture a complete range of ASME steel valves for the petroleum, petrochemical and process industries such as check, gate, globe as well as fire safe certified ball and plug valves. The Australian Pipeline Valve family of brands also includes a large portfolio of established products that cover a broad range […]

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 […]

Check out our virtual online Oilfield Flange Slide Rule API6A (ISO 10423) This helpful tool includes weld neck sizes, stud sizes & gasket sizes. Also check out our website for our virtual online ASME/ANSI/BS/AS/PN/ISO Flange Slide Rule

New stocks of Sferova, JC & Starline Trunnion mount Ball valves from 25NB (1″) up to 500NB (20″) in 150 to 2500 Class and API 3000 and 5000 in A105N, LF2, 316, F51, etc. All have Rotork gearboxes, 316SS sealant injection and fixtures, bolts, ventilated Norsok M710 certified Shell approved o-rings and seat inserts and […]

GLOBAL SUPPLY LINE ADELAIDE – WORLD’S LARGEST VALVE STOCK RANGE In addition to our specialty stock range of WPB buttweld fittings up to 900NB (S40 to XXS) we also stock Shell approved Lame SRL Italy A105N 3000LB and 6000LB NPT and Weld end Fittings and A106B Schedule Fittings (S40 to XXS) to 100NB including rare […]

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 […]

THE HOME FOR GLOBAL SUPPLY LINE AND AUSTRALIAN PIPELINE VALVE 2016 EXPANSION – PROGRESS UPDATE New purpose built facility for Australian Pipeline Valve at 70-78 Stanbel Road and Global Supply Line at 1-15 Barndioota Road Salisbury Plain SA. The new 20,000m2 facility combines the world’s largest valve & actuator stock holding range with a new […]

In comparison to castings, the structure of forgings ensures wall thickness and dimensional tolerances are uniform. High impact closed die press forces and a segregation free billet guarantees superior strength, uniformity, integrity and density. Casting issues include inter granular corrosion, stress weakness, fatigue, cracks, porosity, sand pockets, weld repairs, scars, etc. Another benefit of forgings […]

Can anyone tell me why all the freight companies – road freight and airlines – are still charging fuel surcharges all these years later? It all started when fuel prices were really high, now oil prices are at record lows and that doesn’t always 100% translate to diesel prices but I notice that airlines are […]

Air Torque – Italy, design and manufacture a range of SIL3 certified pneumatic rack & pinion AT Series actuators in aluminium and stainless steel. Air Torque actuators operate on pressures of up to 8 bar as standard. The actuators can be operated with air or inert gas and are Atex certified for explosive atmospheres. Air […]

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 […]