CFM Corporation 2467, 2468 Passing Through a Combustible Wall or Ceiling, Venting Requirements

Models: 2468 2467, 2468

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Dutchwest Natural Vent Gas Heater

Passing Through a

Combustible Wall or Ceiling

An approved pass-through device is always required when a vent passes through a combustible wall or ceiling. Check with the maker of the vent system for the correct listed devices that are available. A listed pass-through device is required whether or not the installation includes decorative pipe around the Type B venting system. NOTE: It is essential to seal between the ceiling support (sometimes called a ‘firestop spacer’) and the decorative pipe, if installed, with a high-temperature silicone sealant. (Fig. 6)

Complete the venting system installation according to the manufacturer’s instructions.

Venting Requirements

 

 

36

 

 

elbow)

34

A

 

32

 

B

 

30

 

any

 

 

 

28

 

 

before

 

feet)

26

 

24

 

 

 

(in

unit

22

 

20

 

Vertical Run

from top of the

 

18

 

16

 

14

 

12

 

10

 

 

 

 

Air Space as

Required by

Code

High-

Temperature

Silicone

Sealant

Decorative

6” Pipe

Listed 4” (102mm)

ST361 B-Vent

Joists

Ceiling

Support

Trim

Collar

High-

Temperature

Silicone

Sealant

Air Space

(Measured

8

 

 

 

 

 

 

 

 

 

6

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

2

4

6

8

10

12 14 16 18

20 22

24

Horizontal Run (in feet)

Venting Runs

NOTE: When venting staight vertical, without an elbow, a minimum of 8 ft. vertical is required off the top of the stove.

= Acceptable venting configuration

= Unacceptable venting configuration

Fig. 6 A ceiling pass-through, with decorative pipe around the vent.

A:Vertical installations up to 36 feet (12m) in height. Up to an 18 ft. horizontal vent run can be installed within the vent system using a maximum of two 90-degree elbows or four 45-degree elbows.

B:Vertical installations up to 36 feet (12m) in height. Up to a 24 ft. horizontal vent run can be installed within the vent system using a maximum of two 45-degree elbows.

(Ratio = 2/3, Hor./Vert.)

FP567b

Fig. 7 Vent termination window.

30002008

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CFM Corporation 2467, 2468 manual Passing Through a Combustible Wall or Ceiling, Venting Requirements

2468, 2467, 2468 specifications

CFM Corporation has established itself as a powerhouse in the aviation industry, particularly through the design and manufacture of high-performance aircraft engines. Among its standout products are the CFM 2468 and 2467 engines, which have garnered attention for their state-of-the-art features, innovative technologies, and impressive performance characteristics.

The CFM 2468 engine is known for its remarkable efficiency and reliability. One of its primary features is the advanced fuel efficiency technology that minimizes fuel consumption while maximizing thrust. This is largely attributed to the inclusion of next-generation composites in the engine's fan blades and cases, which contribute to a lighter overall weight without compromising durability. As a result, operators benefit from lower operating costs, making the 2468 engine a cost-effective choice for airlines.

On the other hand, the CFM 2467 engine has been engineered with a focus on reducing noise pollution and emissions. This engine incorporates cutting-edge noise-reducing technologies, including a redesigned inlet and an innovative exhaust system that reduces noise levels significantly during operation. This makes the 2467 an ideal solution for airports in urban areas where noise regulations are stringent. Furthermore, the engine's environmentally friendly design complies with the latest emissions standards, which is increasingly important in today's aviation market.

Both engines utilize advanced digital technologies, including the latest in engine health monitoring systems. These systems provide real-time data analytics to operators, allowing for predictive maintenance and minimizing downtime. This technological integration not only enhances operational efficiency but also helps in extending the lifespan of the engines.

In terms of operational characteristics, both the CFM 2468 and 2467 engines are built to perform under a wide range of conditions. Their robust design ensures they can withstand various environmental challenges, from extreme temperatures to high humidity. Additionally, their modular design simplifies maintenance procedures, allowing for quicker turnaround times.

In summary, the CFM Corporation 2468 and 2467 engines exemplify the company's commitment to innovation, efficiency, and sustainability. With their advanced technologies and impressive features, these engines are set to redefine performance standards in the aviation industry, making them a preferred choice for airlines globally.