Posts Tagged ‘valves’
GLOBAL SUPPLY LINE STOCK RANGE, DIVERSITY AND SUPERIORITY
April 29th, 2026 by Amanda Schumann
Our stock range diversity and superiority We keep large stocks of 300 Class to 2500 Class valves in unmachined faces to allow us to machine to RF or RTJ. With our own in-house engineering division and full test facilities we can supply in very quick delivery. We also stock un-drilled & flanged valves to facilitate […]
Fugitive Emission Certified Valves in stock ISO 15848-1, API 622/624/641
August 18th, 2025 by Amanda Schumann
Production plants generate gas emissions known as volatile organic compounds (VOCs) and hazardous air pollutants (HAPs). 60% of all fugitive emission piping systems come from valve stem packing. These gases enter our atmosphere, contributing to ozone, smog, and other organic aerosols forming. At the same time, these pollutants can hurt the environment and even cause […]
The American Petroleum Institute API 6D Standard – Double-Block-and-Bleed Ball Valves
May 21st, 2024 by Amanda Schumann
API 6D details three double block categories: DBB (double-block-and-bleed), DIB-1 (Double-isolation-and-bleed type 1), and DIB-2 (Double-isolation-and-bleed type 2). Trunnion Mounted Ball Valve Seat Designs Trunnion mounted API 6D ball valves have 2 seats that (one upstream, one downstream) can have a single (SPE) or double piston effect (DPE) seats. Single Piston Effect (PSE) Spring loaded […]
Global Supply Line is the largest Emerson Pneumatic Actuator stockist in the Southern hemisphere
December 4th, 2023 by Amanda Schumann
We are an Emerson approved distributor and the Australian Valve Centre valve engineering, test & automation facility is Emerson approved. We stock Bettis & Biffi double acting & spring return actuators up to 30,000 NB as well as accessories such as handwheel & gear over-rides. All automation & controls are performed in-house in our valve […]
Now also stocking
October 26th, 2018 by Amanda Schumann
Stock holding highlight on Vertical Shaft Drive Worm Gearboxes for Valves
Severe Service & Dirty Service
October 10th, 2018 by Amanda Schumann
Information on severe service and dirty service on quarter turn ball valves
Valve RFQ’s from overseas “Valve Dealers”
October 4th, 2018 by Amanda Schumann
Information about overseas valve dealers
Product Highlight – APV-BVF100-QF Trunnion Ball Valve
August 9th, 2018 by Amanda Schumann
Product highlight on APV BVF100-QF Trunnion Ball Valves
Improve Total Cost of ownership with valves
June 19th, 2018 by Amanda Schumann
Information on how to improve the total cost of ownership with valves
A CONTENTIOUS ISSUE
May 2nd, 2018 by Amanda Schumann
Information regarding Sealant Injection facilities on Trunnion Mounted Ball Valves
ANSI B16 Valve Face to Face Dimensions
April 12th, 2018 by Amanda Schumann
A technical guide on ANSI B16 Valve face to face dimensions
SPOTLIGHT – BACK SEATING ON API600 WEDGE GATE VALVES
March 14th, 2018 by Amanda Schumann
Product highlight on the back seating of API 600 Wedge Gate Valves
Proven design, superior quality, price and delivery
March 7th, 2018 by Amanda Schumann
Technical and Stock range information about CVS products
VALVE SOLUTIONS FOR OIL & GAS, MINING AND PROCESS INDUSTRIES
November 29th, 2017 by Amanda Schumann
METAL TO METAL SEAT BALL & PLUG VALVES Global Supply Line supply flanged, weld and screwed end severe and critical service valves manufactured by Starline, Sferova, Energy Valves and Australian Pipeline Valve. Also available, true full bore top entry plug valves for slurry and dirty service. BUTTERFLY VALVES 100{25ff19fb4bbe50b2512a26092ffa8499fbe25baf0e752d653cb6adacb3479290} Shut-off, true metal to metal seat […]
COST REDUCTION & EFFICIENCY IMPROVEMENT STRATEGIES
November 22nd, 2017 by Amanda Schumann
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 […]
API6D, Testing Procedure & Double Block & Bleed versus Double Isolation & Bleed
September 13th, 2017 by Amanda Schumann
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 Deadman Handle for Quarter Turn Valves – ex stock!
August 16th, 2017 by Amanda Schumann
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 […]
Large Trunnion Ball Valve History
July 13th, 2017 by Amanda Schumann
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 […]
Stock Holding Quality Points of Difference
June 7th, 2017 by Amanda Schumann
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. […]
Valve Selection Criteria
May 4th, 2017 by Amanda Schumann
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.