A Complete Line of Quality Products for Marine Applications

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1 american warming and ventilating A Mestek Company A Complete Line of Quality Products for Marine Applications 1

About AWV Marine Dampers At American Warming and Ventilating, we are committed to design innovation and superior product performance.

Temperatures ranging from -40 F to 1800 F. Pressures to 5 p.s.i. Velocities to 10,000 FPM. Clean air to dirty and/or corrosive enviromments.

For over 50 years, we have designed and manufactured marine dampers and louvers for use in emergency generator systems, air distribution and fire control, engine room ventilation, combustion air

2 About AWV Marine Dampers At American Warming and Ventilating, we are committed to design innovation and superior product performance. We have maintained this commitment to our customers for over 100 years. Today, our dampers provide reliable operation in a variety of demanding industrial environments. Temperatures ranging from -40 F to 1800 F. Pressures to 5 p.s.i. Velocities to 10,000 FPM. Clean air to dirty and/or corrosive enviromments. In the marine industry, we have supplied our products to the U.S. Navy, the U.S. Coast Guard, Oil Rigs, and shipbuilders worldwide. For over 50 years, we have designed and manufactured marine dampers and louvers for use in emergency generator systems, air distribution and fire control, engine room ventilation, combustion air (boilers), nonmagnetic areas, airtight closures for toxic gas systems, and other related applications. In addition, we design many different damper types to meet the many different marine specifications: MIL-S-901C and MIL-S-901D TESTING To ensure continuous product development and performance, we operate our own AMCA* registered laboratory. Our facility is equipped to test differential pressures to 50 in. wg. and flow rates to 80,000 CFM. The face of the chambers can accommodate dampers to 8 foot square. Through the use of flexible ducting, we can test dampers and louvers larger than 8 foot wide or high. Other tests available to our customers include reverse bend fatigue, slam shut under maximum air flow and pressure drop, cycle, endurance, bubble tight leakage, decay leakage and a 600 F industrial walk-in oven for testing our combination Fire/Smoke and Leakage rated (Smoke only) to 350 F and Tunnel Dampers to 482 F. *(Approved for testing in accordance with AMCA Std. 500) high shock, U.S. Maritime Commission Standards S and 32, SOLAS, U.S. Coast Guard and ABS requirements. QUALITY ASSURANCE Our QA program can be applied to products in the form of final inspection or full documentation - from material certification, nondestructive testing of welding, to final assembly. It is structured to meet the AEC's 18-point criteria as stated in 10CFR50, Appendix B, ANSI 45.2, and ASME NQA-1for inspection and testing. Also, the program has met the standards of audit teams from leading engineering firms and nuclear utilities. At American Warming, we understand the requirements of the marine industry and have developed products to meet this rigorous environment. TESTS INCLUDE: Air Duct Erosion of Fiberglass-lined Duct. Bubble Tight Leakage. Cycle. Deflection. Differential Pressures to 50 in. wg. Endurance Limit and Fatigue. Flow rates to 80,000 CFM. High Velocity Pressure Testing on tempering air nozzles and quenchers. Leakage Measurement. Micro Strain Measurement. Open & Close Timing. Pressure Decay. Reverse Bend Fatigue. Slam shut under maximum air flow and close-off pressure on chamber and in-duct pressure drop. Elevated temperature tests to 500 F. Thermal Shock. TEST FACILITY LAYOUT - BRADNER OHIO ACCREDITED TO CONDUCT PERFORMANCE RATING TESTS IN ACCORDANCE WITH AMCA STANDARD

Fire Dampers MD-411 Marine Fire Damper American Warming and Ventilating has over 50 years of experience manufacturing quality marine products for the US Navy, US Coast Guard, offshore oil platform

754(18) for A-0/A-15/A-30/A-60 for bulkheads and decks. Standard Frames 14 ga. galvanized steel channel, seal welded.

3 Fire Dampers MD-411 Marine Fire Damper American Warming and Ventilating has over 50 years of experience manufacturing quality marine products for the US Navy, US Coast Guard, offshore oil platform construction and various shipbuilders worldwide. The MD-411 Fire damper is certified for galvanized steel or 304 and 316 stainless steel construction. CERTIFICATIONS US Coast Guard Approved IMO A.754(18) for A-0/A-15/A-30/A-60 for bulkheads and decks. Standard Frames 14 ga. galvanized steel channel, seal welded. Plated steel angle and crank plated linkage with stainless steel pivots, in-jamb type. Oil impregnated bronze sleeve bearings. Parallel blade construction. Pressure limitations to 10 in. wg. Leakage is rated at 5 scfm per sq. ft. at 1 in. wg. pressure when optional seals are ordered. Frame: 8 X 2 X 14 Ga. galvanized steel channel, seal welded. Blades: 16 Ga. galvanized steel, single thickness, 6-1/2 max. width. Axles: 1/2 square plated steel, stub type. Bearings: Oil impregnated bronze sleeve. Linkage: Plated steel angle and crank plates with stainless steel pivots, in-jamb type, double linkage required. Seals: Stainless steel compression at jambs. Stops: 16 Ga. galvanized steel angle at head and sill. Finish: Mill with touch up on welds. Max. Diff. Pressure: 10 in. wg. Max. Velocity: 3,000 fpm Max. Panel Size: 30 W x 60 H Max. Multi-panel size: 64 x 60 3

Ventilators MMV-1 Marine Mushroom Water-Tight Closure Ventilator Hot dipped galvanized steel construction standard.

Mushroom head min. 3/16 thick HRS with 1/4 thick cover plate. Blades are 10 Ga. minimum HRS. 1/4 thick EPT rectangular seal.

3/16 thick HRS with a 1/4 thick cover plate. Blade: 10 Ga. minimum, HRS. Rat Screen: 1/2 x.

4 Ventilators MMV-1 Marine Mushroom Water-Tight Closure Ventilator Hot dipped galvanized steel construction standard. Also available in aluminum and 304 and 316 stainless steel. 1/4 thick HRS Coaming with external gussett supports. Mushroom head min. 3/16 thick HRS with 1/4 thick cover plate. Blades are 10 Ga. minimum HRS. 1/4 thick EPT rectangular seal. Manual handwheel with lead screw operators. Coaming: 1/4 thick HRS with external gussett supports. Mushroom Head: Min. 3/16 thick HRS with a 1/4 thick cover plate. Blade: 10 Ga. minimum, HRS. Rat Screen: 1/2 x.063 stainless steel standard rat screen. Blade Seal: 1/4 thick EPT rectangular seal available. Operator: Manual Handwheel with lead screw. Max. Diff. Pressure: Max. Velocity: Max. Size: 5 in. wg. 3,000 fpm 48 Dia. 4

Air Control Dampers MVC-422 Airfoil Blade Control Damper Rectangular control dampers used in ventialtion and fire protection systems.

These dampers can be built to meet U.S. Coast Guard Navigation and Vessel Inspection Circular No. s 6-80 and 9-97 (9-97 supercedes 6-80). Frame: 12 Ga. galvanized steel.

4000 fpm MRVC-5185 Round Air Control Dampers Round control dampers have various marine applications.

dampers in ventilation systems to protect the crew from contaminated air. The dampers can be built to any size and for any pressure up to 3 psi.

5 Air Control Dampers MVC-422 Airfoil Blade Control Damper Rectangular control dampers used in ventialtion and fire protection systems. Many are used on oil rigs, but they are also used on board Navy ships. Available in a wide range of materials, pressures, and velocities. These dampers can be built to meet U.S. Coast Guard Navigation and Vessel Inspection Circular No. s 6-80 and 9-97 (9-97 supercedes 6-80). Frame: 12 Ga. galvanized steel. Blades: 16 Ga. galvanized steel. Axles: 3/4 Dia. plated steel. Parallel Blade Opposed Blade Max. Diff. Pressure: Max. Velocity: 29 in. wg fpm MRVC-5185 Round Air Control Dampers Round control dampers have various marine applications. Some typical applications are blow in doors in the engine room to provide emergency air for the engines, light off blower dampers in steam boiler sytems, and shut-off dampers in ventilation systems to protect the crew from contaminated air. The dampers can be built to any size and for any pressure up to 3 psi. Available with manual, pneumatic, or electric actuators. Frame: 1/4 thick carbon steel. Blades: 1/4 thick carbon steel. Axles: 3/4 Dia. carbon steel. Bearings: Stainless steel sleeve. Finish: Hot dipped galvanized on steel after fabrication but before assembly (ZRC as an option). Max. Diff. Pressure: Max. Velocity: 13 in. wg. 6,400 fpm MRVC-5185 with electric actuator 5

Air Control Dampers MVC-2341 Standard Duty Air Control Dampers This is the original rectangular marine damper supplied to the U.S. Navy. It was designed to comply with U.S. Maritime Commission Plan No.

Use this damper whenever specifications require dampers to meet the Maritime Commission drawings. The dampers meet Grade A Class 1 Shock per Mil-S-901. Frame: 3/16 thick carbon steel. Blades: 14 Ga.

6 Air Control Dampers MVC-2341 Standard Duty Air Control Dampers This is the original rectangular marine damper supplied to the U.S. Navy. It was designed to comply with U.S. Maritime Commission Plan No. S and S The damper is good to a maximum pressure of 4 in. wg. and 3000 fpm. Maximum panel size is 30 wide by 48 high. Larger dampers can be built in sections. Use this damper whenever specifications require dampers to meet the Maritime Commission drawings. The dampers meet Grade A Class 1 Shock per Mil-S-901. Frame: 3/16 thick carbon steel. Blades: 14 Ga. stainless steel. Axles: 1/2 Dia. 303 stainless steel. Bearings: Oil impregnated bronze sleeve. Finish: Hot dipped galvanized on carbon steel after fabrication but before assembly. Intake Drainable Stationary Louvers Max. Diff. Pressure: 8 in. wg. Max. Velocity: 3000 fpm Max. Panel Size: 30 W x 48 H MLF-31 Intake Drainable Stationary Louver 6 deep Frame: 10 Ga. aluminum. Blades: 10 Ga. aluminum. Screen: Stainless steel bird screen. Bearings: Oil impregnated bronze. Finish: Special paint. Max. Temperature: 150 F Max. Diff. Pressure: (Blast Conditions) 8 psi Max. Velocity: 877 fpm Max. Panel Size: 32 W x 52 H American Warming and Ventilating also manufacturers a comprehensive product line of Wind Driven Rain Louvers providing protection against the damaging effects of rain penetration. These louvers are AMCA Standard 500-L-99 certified as well as Miami-Dade County approved. Please contact our Customer Service for complete and detailed information on these products. 6

Backdraft Dampers and Diffusers MBD-5184 Backdraft Damper This damper is mainly used in forced draft systems mounted adjacent to the blower outlet.

This is particularly useful for those applications that require shock and vibration testing as well as EMI testing.

14 Ga. stainless steel. 1 Dia. stainless steel. Max. Diff. Pressure: 106 in. wg. Max. Velocity: 6500 fpm Max. Axles Spacing: 6 Max. Panel Size: 35.50 W x 57 H* *For sizes above and beyond max.

7 Backdraft Dampers and Diffusers MBD-5184 Backdraft Damper This damper is mainly used in forced draft systems mounted adjacent to the blower outlet. The advantage of this style of damper is that there are no actuators required to drive the damper. This is particularly useful for those applications that require shock and vibration testing as well as EMI testing. These dampers have been used on mine sweeper applications that require non-magnetic dampers. The dampers meet Grade A Class 1 Shock per Mil-S-901. Frame: Blades: Axles: 1/4 thick carbon steel. 14 Ga. stainless steel. 1 Dia. stainless steel. Max. Diff. Pressure: 106 in. wg. Max. Velocity: 6500 fpm Max. Axles Spacing: 6 Max. Panel Size: W x 57 H* *For sizes above and beyond max. listed, contact Customer Service. DF45/45F, DF46/46F Diffusers These 2-way and 4-way diffusers are used on Navy ships to diffuse the air in the compartments. AWV diffusers meet Grade A Class 1 Shock per Mil-S-901. Frame: Blades: Axles: 3-3/4 x 2-1/8 x 1/2 x 12 Ga. 304L stainless steel. 20 Ga. 304L stainless steel. 5/16 Dia. 304 stainless steel. Max. Diff. Pressure: 1 in. wg. Max. Velocity: 3000 fpm Max. Panel Size: 30 W x 88 H 7

8 AWV s emphasis on all requirements during the design phase assures our customers that all products are designed to the highest standards. Each phase in the Engineering process is closely monitored and controlled by specific written Engineering procedures. These procedures were developed to cover industry standards as well as critical standards required by the Marine Industry. AWV compliments our Engineering process by utilizing the latest technology in electronic design programs. AWV s experience using computer aided design systems ensures accuracy throughout the entire Engineering and Manufacturing processes. Quality American Warming and Ventilating products can be found in the following Marine Markets: U.S. NAVY TAIWAN NAVY CANADIAN NAVY U.S. COAST GUARD MERCHANT MARINE OIL RIGS Locally Represented by: 8 american warming and ventilating A Mestek Company 7301 International Drive Holland, OH ph: fax: June 2011

AMCA MEMBER. American Warming and Ventilating. A Mestek Company. Quality Air Control Dampers

AMCA MEMBER. American Warming and Ventilating. A Mestek Company. Quality Air Control Dampers AMCA MEMBER American Warming and Ventilating A Mestek Company Quality Air Control Dampers Over a century of dedication to quality products and customer satisfaction has enabled American Warming and Ventilating