About Us

Established in 1989 this family owned company has earned an enviable reputation for the rapid delivery of Schedule 80 
PVC & CPVC pipes, valves & fittings, as well as the design, manufacture & supply of instrumentation systems. 
After many years of successful project delivery, our management team understands that our customers 
choose a supplier with stock levels & supply logistics who can reliably deliver their requirements 
to achieve project deadlines.

 

IN EVERY AUSTRALIAN STATE, WATER AUTHOURITIES RELY ON MERRIMAN FOR SAME DAY SHIPMENT OF

TABLE D VAN STONE FLANGES & other process critical Schedule 80 PVC & 
CPVC components, such as ELBOWS. TEES, COUPLERS, UNIONS, REDUCERS, 
MALE & FEMALE ADAPTORS with BSP or NPT THREADS. BALL VALVES, 
DIAPHRAGM VALVES, BUTTERFLY VALVES, hand operated or electrically or 
pneumatically actuated. Our range of low VOC solvent cements & primers 
are ANSI approved for the largest diameters of schedule 80 PVC pipe & 
fittings. Suitable for use with high concentrations of sodium hypochlorite, 
free of Dichloromethane  they meet NICNAS requirements & are safe for 
use in the public water supply system.

 

WATER INFRASTRUCTURE PROJECTS

Since 1989 we have been a significant supplier to many Sydney Water sites 
including NORTH HEAD, BONDI, MALABAR, SHOALHAVEN, PENRITH , 
WINMALEE, St MARYS & many others. We supply all our products including 
PVC Schedule 80 pipe & fittings, double containment systems, valves, electric 
& pneumatic actuators, flow meters & ultrasonic level controls. We have 
designed special purpose auto manual stations for dosing pump control. Our 
pH & ORP instruments are widely used on odour scrubbers for dosing control.

 

EXPLORATION OF MARS

Tidbinbilla Deep Space Communication 
Complex is critical to the Mars Rover 
operations. Temperature control of critical 
components in the telescope arrays is 
essential to maintain alignment over the vast distance of space. Merriman is proud to assist with ultrasonic level control & purpose built power supplies.

 

WHEATSTONE & GORGON PROJECTS GAURANTEEING ENERGY SUPPLIES FOR DECADES TO COME

We are proud to supply Chevron & DSME 
with pneumatically actuated CPVC ball 
valves, ball check valves, diaphragm 
valves & other PVC & CPVC Schedule 80 
corrosion resistant pipe systems & 
components for these major Australian 
LNG projects.

 

BAG FILTERS, BASKET STRAINERS & LINE STRAINERS.
Global leaders in their diverse fields of activity such as CAIRNS MARINE 
SANTOS & ORIGIN ENERGY choose Merriman Filtration Products for the 
minimal biological impact & high chemical resistance of the PVC & CPVC 
materials of construction.

 

INSERTION PADDLE WHEEL FLOW SENSORS & FULL BORE MAGNETIC FLOW METERS 

Helping irrigators farm our golden soils, similar 
Merriman systems monitor & control chilled & 
hot water systems in New Parliament House, 
Old Parliament House, The High Court & 
Sydney’s RAS Showground & Homebush 
Olympic Swimming Pool. 

 

MERRIMAN HELPING TO PROTECT OUR NATION & OUR ENVIRONMENT

HMAS Success & the ANZAC Class Frigates depend on Merriman ultrasonic level transmitters & DIR4 programmable controllers. As well as 
our Schedule 80 PVC piping systems to keep their Omnipure sewage 
treatment systems functional when operating in environmentally 
sensitive areas such as the Great Barrier Reef & Sydney Harbour.

WHEN TARONGA ZOO’s ASIAN ELEPHANTS NEED THE LOO! 
THEY CAN BE SURE MERRIMAN SCHEDULE 80 PVC PIPE SYSTEMS ARE IN THE PLANT ROOM TREATING THE MESS. 

 

PNG PROJECTS

BOUGAINVILLE COPPER, power station operations. 
COCA COLA LAE, design, manufacture & commission, SCADA panels 
& UV emission monitoring systems for water & sugar sterilisers.   
SOUTH PACIFIC BREWERY, PORT MORESBY, design & supply pH & 
ORP waste water control systems. 
MANUS ISLAND, design, manufacture & commission, tank level, 
pump control panels & telemetry systems.

 

UK CEGB POWER STATIONS

TILBURY B, RUGELEY B, PEMBROKE & DRAX A, CENTRAL ELECTRICITY REASERCH LABORATORIES.

Installation & commissioning of boiler combustion controls & turbine auto run up equipment. Design of pressure & temperature control systems for the investigation of material degradation in MAGNOX nuclear power reactors. 

 

MERRIMAN UNDERSTAND THE PRESSURE OF PROJECT DEADLINES 
OUR ENGINEERS HAVE BEEN CONSTRUCTION MANAGER ON SOME OF AUSTRALIAS MOST SIGNIFICANT PROJECTS

REHABILITATION & REPAIR OF STEAM TURBINES.
Units 3 & 4 at Vales Point Power Station.
Repairs to generators at Liddell Power Station.
POWER STATION CONSTRUCTION
Unit 4 condenser & feed heaters at Bayswater Power Station

 

KALGOORLIE & EASTERN GOLDFIELDS ELECTRIFICATION.
One of the worlds longest single ended 220KV transmission lines from 
Muja power station to Kalgoorlie this project was essential to the 
economic development of the nickel deposits at Kambalda & the big pit at 
Kalgoorlie. Consisting of switchyards at Merredin & Kalgoorlie with 
associated transformers, static VAR compensators & filter yards.

 

BARNARD RIVER SCHEME
Construction management of low pressure 
& high pressure pump stations & 132 KV switchyard.
To provide water supply for Bayswater Power Station.

 

AFTER ALL THIS WORK WE THINK YOU NEED A HOLIDAY!

CHARTER A SUPER YACHT 
Like M.Y. ILONKA or M.Y. SURI or M.Y. SHIRLEY ANN. 
Enjoy the helicopter, mini submarine or jet skis. 
Which ever you choose you can relax! 
Because down below Merriman Schedule 80 pipe systems are taking 
care of sewage & water treatment & engine cooling systems. 

 

IF A LUXURY RESORT IS MORE YOUR STYLE, TRY THE PACIFIC ISLANDS CLUB IN GUAM. 
Merriman insertion magnetic flow meters & DIR4 programmable controllers are controlling the pumps in the 
swim through aquarium

 

SEEMS LIKE WE HAVE DONE A LOT 
BUT THEN WE HAVE BEEN IN BUSINESS A LONG TIME
TO SUCCEED FOR MORE THAN A QUARTER CENTUARY
WE NEEDED MORE THAN EMPTY PROMISES & SLICK SLOGANS
SO
WE SAY WHAT WE DO & WE DO WHAT WE SAY.
"WE DELIVER QUALITY PRODUCTS ON TIME."