Single and Double-Wall Pressure Industrial Chimney for Heating Appliances, Boiler Breeching, Generator and Fume Exhaust and other applications as defined by standard NFPA 211.

The DuraStack® Pro Series, Models DCL, DAS1, DIS1, DIS2, DIS4, DIS3Z venting systems, are designed to offer the ultimate in installation convenience and versatility for a variety of applications. Certified for commercial chimney and diesel exhaust applications, they are constructed of thick-gauge ma

Natural Gas, Gasoline, Diesel Engines and Turbines.

FasNSeal® 80/90 is a unique, patent pending system that exhausts 90+ condensing appliances with Type B atmospheric units within the same vent. Using your pre-existing common vent, our cap improves the operation of both the remaining atmospheric appliances, and the new condensing unit, while not dis

Made from super-ferritic stainless steel. Corrosion resistant. Manufactured with a sure-seal locking seam for superior strength and flexibility. The smooth inner-wall provides for no output reduction, allowing for full appliance efficiency, ease of cleaning and regular maintenance. The smooth inner

FasNSeal® W2 (double-wall) vent lengths and components feature patented built-in mechanical locking band and triple-lipped directional gaskets. All pipes and components are engineered with smooth clean welds located 90° from mechanical locking bands. This construction feature allows for ease of inst

Duravents' Factory-Built, UL-Listed Prefab Grease Duct is designed for efficiency, safety, cost savings, and compliance. It provides a plug-and-play alternative to traditional welded steel duct systems.

The 10”-16” diameters are listed to UL 103 Type HT. That means our 10”-16” chimney system is perfectly suited for hightemperature appliances, making it ideal for factory-built fireplaces, large masonry fireplaces, and boilers.

DuraFlex® Pro is the ultimate in flexible steel liners for strength and flexibility. It features 20% more stainless steel per foot compared to other liners on the market. Its extreme flexibility facilitates problem free installations where multiple offsets are needed. DuraFlex Pro is available in 3″

60-90 minute fire rated doors with temperature-rise tested to NFPA 252/UL 10B/UL 10C up to 10 ft. tall. Available with full-vision glazing, standard and narrow profiles, multiple hardware options and finishes including custom aluminum clad or stainless steel clad. See below for more information!

20-45 minute fire rated doors tested to NFPA 252/UL 10B/UL 10C up to 10 ft. tall. Available with full-vision glazing, standard and narrow profiles, multiple hardware options and finishes including custom aluminum clad and stainless steel clad. See below for more information!

2-piece Body Full Port Chrome-Plated Ball Virgin PTFE Seats Adjustable Packing Nut Blow-Out Proof Stem MSS-SP-110 500 psig (1-¼”, 2″) for UL use CSA B125.14 (¼” – 2”) CSA ½, 5 & 125 psi (½” – 2″) CSA ½ & 5 psi (2½” & 3″) 29 in-Hg rating for Vacuum Service UL approved (½” – 2”) FM approved (½” – 2″)

Trunnion mounted ball valves, construction to ASME B16.34 - API6D, 2/3 piece bolted body, split body, side entry, double block & bleed, flanged RF/RTJ to ANSI B16.5, face to face to ANSI B16.10, full/ reduced bore, ISO (5211) top work standardized for actuation, seat leakage rate to ISO 5208 Rate A,

EFS Multi-Blade fire damper is rated as a 3 hours fire damper for use in dynamic systems, per SI 1001 part 3 (UL 555). As a life safety fire damper, it has a failsafe design which enables the damper to automatically close upon the detection of heat and/or loss of power. The electric heat respons

EFS Multi-Blade fire damper is rated as a 3 hours fire damper for use in static systems, per SI 1001 part 3 (UL 555). As a life safety fire damper, it has a failsafe design which enables the damper to automatically close upon the detection of heat and/or loss of power. The electric heat responsi

EFS Multi-Blade fire damper is rated as a 1-1/2 hour fire damper for use in static systems, per SI 1001 part 3 (UL 555). As a life safety fire damper, it has a failsafe design which enables the damper to automatically close upon the detection of heat and/or loss of power. The electric heat respo

Reduces a higher inlet pressure to lower outlet pressure. Provides a consistent outlet pressure over a wide flow range. Pilot operated main valve is not subject to pressure fall-off. Outlet pressure is adjustable with a single screw. Can be maintained without removal from the pipeline. Flanged Ends

Y Strainer meets or exceeds the requirements of UL 321 Standard NPT Blow-Off Outlet on Body and Cover. ASTM A276, Type 304 Stainless Steel Screen. Excellent flow characteristics. Low pressure loss at high flow rates. Grooved Ends to AWWA C606 Standard. Fusion Bonded Epoxy Coated Interior and Exterio

"TRUNNION MOUNTED" ball valves are suitable in case of high performances under critical working conditions.

"TRUNNION MOUNTED" ball valves are suitable in case of high performances under critical working conditions.

Modern type, UL/ULC listed, FM approved, modern type, lateral elbow inlet, nuts/bolts & stem rod in AISI 316 (A4)

Inerex® by Rotarex Firetec is a complete UL, FM & VdS Approved Inert Gas Fire Suppression System that helps you save time and improves productivity

Floating ball valves, construction to ASME B16.34 – ASME VIII Div.II, 2 piece bolted body, split body,side entry, flanged RF/RTJ to ANSI B16.5, face to face to ANSIB16.10, full/reduced bore, ISO (5211) top work standardized for actuation, metal seated (ball & seats with Tungsten or Chromium Carbides

UL / FM at 350 psi, the highest rated pressure in the industry. Full Waterway design offers exceptionally low-pressureloss at high flow rates. Resilient Seated Design. Valve can be dis-assembled,and maintenance performed without removal from the pipeline. Face to Face dimension to ASME B16.1. Flange

UL / FM at 300 psi. Single piece through shaft. The Weflo UL / FM Butterfly Valve – Wafer Style has a Vulcanized Disc design that provides bubble tight shut-off every time. Low torque operation – high cycle life. Gear Operated. Includes built-in Supervisory (Tamper) Switch. Fusion Bonded Epoxy Coate