Products
Mac-Weld
- Orifice Plates
- Integral Orifice Assemblies
- Bleed & Flush Rings
- Grounding Rings
- Meter Run Assemblies
Mac-Weld Paddle Orifice Plates
Standard sizes: 1/2” to 24” (also available in metric)
Standard ratings from 150# to 2500# (also available in metric)
Approved Canadian Registration Number (CRN) on most designs
Orifice flange unions available upon request
Available in various alloy materials including 316 Stainless Steel, Hastelloy®, Monel®, and other exotic alloys
Mac-Weld RTJ Orifice Plates and Holders
Custom designs available based on clients application requirements
Available as single machined piece or two pieces; orifice plate and holder
Recommended for high temperature and/or pressure applications
Large selection of materials available
NACE compliant
Mac-Weld Custom Orifice Plates
Custom bores and finishes available
Custom engineered orifice plates
Orifice plates available with a maximum line size of 48”
1/16” to 5” plate thickness available
All Mac-Weld orifice plates are inspected and stamped before being released from production.
Mac-Weld Universal Orifice Plates
Orifice plates available with a maximum diameter of 48”
All Mac-Weld orifice plates are inspected and stamped before being released from production.
Custom designs available based on clients application requirements
Large selection of materials available
NACE compliant
Material Options: 316 Stainless Steel, 304 Stainless Steel, Carbon Steel, 310 Stainless Steel, 321 Stainless Steel, 347 Stainless Steel, Alloy 20, C-276, Duplex, Incoloy 800, Monel 400, and Titanium (For a complete list, talk to a Mac-Weld sales representative today).
Industries: Any industry that requires Flow measurement
Mac-Weld Orifice Wafer Assembly
Compact design
Manufactured to fit almost any flange material and design
Can be installed between 150#-2500# flanges
Fully leak-tested and configured
Reduced installation costs
Integral Isolation valves; 3 & 5 Valve H-Style manifolds can also be mounted directly to assembly
Mac-Weld Integral Meter Run Assembly
Supplied fully assembled and ready for installation
Available with flanges, threads or weld bevel connections
Designed for line sizes up to 12”
Meter runs above 12” available upon request
Suitable for steam, gas and liquid flow measurement
Large selection of materials available
NACE compliant
CRN’s available upon request, see factory for details
Dye Pen, X-Ray and Hydro testing available
Mac-Weld Bleed Rings
Manufactured 100% in house
SW Eliminate threaded connections.
Allows for on site calibration, venting, & purging.
No break of the process flange
CRN approved
Mac-Weld Flush Rings
Allows for transmitter calibration, venting and purging
The seal and process size transition design reduces installation and maintenance costs
Our engineered and manufactured-in-house design can be adapted and modified for your specific application
Eliminates the need for a reducing spool
Valve options available upon request
Manufactured in accordance with ASME, ASTM and ANSI standards
Available in carbon steel and stainless steel. Also available in most alloy materials
CRN approved
Mac-Weld Bleed Ring Assembly
Allows for easier installation on-site
Engineered and manufactured-in-house, designs can be adapted and modified for your specific application
Various valve options available upon request
Manufactured in accordance with ASME, ASTM and ANSI standards
CRN approval available upon request
Mac-Weld Flush Ring Assembly
Eliminates the need for a reducing spool
Valve options available upon request
Available in carbon steel and stainless steel. Also available in most alloy materials.
Manufactured in accordance with ASME, ASTM and ANSI standards
CRN approved
