What are the primary functions of a silencer in a pneumatic system?

Silencers are designed to reduce exhaust noise, control exhaust flow, and filter contaminants from the exhaust air in pneumatic systems. They help maintain a quiet and clean working environment by minimizing the noise generated during air discharge and trapping any oil mist or debris.

What materials are silencers typically made from?

Silencers are made from various materials depending on the application requirements. Common materials include resin, which is lightweight and cost-effective; brass, known for its durability and corrosion resistance; stainless steel, which is suitable for high-temperature and high-pressure environments; and aluminum for lightweight needs.

How do I choose the right silencer for my pneumatic system?

To choose the appropriate silencer, consider factors such as the required noise reduction level, the operating environment (temperature, pressure, and exposure to chemicals), the type of connection (thread size and type), and the desired airflow rate. It's essential to match the silencer specifications with the system's requirements.

What types of silencers are available and what are their applications?

Silencers come in several types including standard silencers for general noise reduction, plug silencers for compact installations, exhaust air adjusting types for flow control, and exhaust cleaners for filtering exhaust air in sensitive environments like cleanrooms. Each type is suited to specific noise reduction and air quality needs.

How does a silencer improve the performance of a pneumatic system?

A silencer reduces the noise generated during the exhaust phase of a pneumatic cycle, making the system quieter and more comfortable to work around. It also helps maintain the cleanliness of the system by filtering out particulates, which can prevent clogging and extend the lifespan of pneumatic components.

What is the difference between a silencer and a muffler in pneumatic applications?

In pneumatic systems, both silencers and mufflers are used to reduce noise. Silencers often have the added function of filtering exhaust air, while mufflers primarily focus on noise reduction by dissipating sound energy. Silencers are more commonly used when air quality and cleanliness are critical.

Can silencers be used in food manufacturing environments?

Yes, there are silencers designed specifically for food manufacturing processes. These silencers use food-grade lubricants and materials that meet hygiene standards to prevent contamination. They are suitable for environments where cleanliness and compliance with food safety regulations are crucial.

How do I maintain and clean a silencer?

Regular maintenance of a silencer includes inspecting for wear or clogging and cleaning or replacing the filter elements as needed. Resin and plastic silencers can often be cleaned with a mild detergent, while metal silencers may require a solvent-based cleaner to remove oil and debris. Always follow the manufacturer’s guidelines for specific maintenance procedures.

What are the noise reduction capabilities of silencers?

The noise reduction capabilities of silencers vary, but they typically reduce noise levels by 20 to 40 dB(A), depending on the type and design. High-performance silencers can achieve greater noise reduction, making them suitable for environments that require minimal noise pollution, such as offices or healthcare facilities.

How does a silencer with an integrated throttle valve work?

Silencers with an integrated throttle valve allow for the adjustment of the exhaust flow rate. This feature enables precise control over the exhaust air, helping to optimize the performance of the pneumatic system and reduce noise levels further. It is particularly useful in applications requiring varying airflow rates.

Why is it important to match the silencer's effective sectional area to the pneumatic system?

Matching the silencer’s effective sectional area to the system ensures that it can handle the volume of exhaust air without creating back pressure or restricting airflow. This compatibility prevents performance issues such as reduced efficiency or increased wear on system components.

What are the environmental benefits of using silencers in pneumatic systems?

Silencers help reduce noise pollution, contributing to a quieter and more pleasant working environment. Additionally, by filtering out contaminants from exhaust air, they help reduce the environmental impact of pneumatic systems by preventing the release of particulates and oil mist into the atmosphere.

Can silencers be used with high-pressure pneumatic systems?

Yes, there are silencers specifically designed for high-pressure applications. These silencers are made from robust materials such as stainless steel and brass, which can withstand the demands of high-pressure environments. It is important to select a silencer rated for the maximum operating pressure of your pneumatic system.

How does the mounting thread size affect the selection of a silencer?

The mounting thread size determines how the silencer will be attached to the pneumatic system. It is crucial to select a silencer with the correct thread size and type to ensure a proper fit and secure installation. Common thread sizes include M5, M6, and various imperial sizes, and types include NPT, G, and one-touch fittings.

What role does the material of the silencer play in its application?

The material of the silencer affects its durability, resistance to environmental factors, and suitability for specific applications. For example, brass and stainless steel are ideal for harsh environments due to their corrosion resistance, while resin is suitable for lightweight, low-cost applications where high durability is not required.

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Silencers（Effective Sectional Area【classification】：5 or Less）

A silencer is a component that reduces exhaust noise, suppresses displacement volume, and cleans. Silencer materials include resin, brass, and stainless steel. Resin is small and lightweight. The metal is resistant to impact and can be used in high temperature and high pressure environments. Suitable for use in industry as a whole due to weldability. Products with an integrated throttle valve can control the exhaust flow rate. Food grade lubricant oils are used in products for the food manufacturing process. Plastic products do not need to be discarded separately, reducing environmental impact. Uses a push lock mechanism to improve needle lock workability. By using an exhaust filter for a cleanroom, it is possible to reduce the exhaust piping space and piping man-hours of equipment in the cleanroom. The silencer needs to calculate the exhaust flow rate of the equipment to be installed and make an appropriate selection.

Configure

Specification/Dimensions

Type
- Standard
- Plug Type
- Exhaust Air Adjusting Type
- Exhaust Cleaners
Images

Clear

Body Material
- Brass
- Aluminum
- Resin
- Phosphor Bronze
- Steel
- Brass
- Stainless Steel
- Zinc Alloy
Clear

Mounting Thread Nominal
- M3X0.5
- M5x0.8
- M6x1
- 1/8
- 1/4
- 3/8
- 1/2
- 3/4
- 1
- 1 1/4
- 1 1/2
- 2
- Others
Clear

Pipe Connection Port Type
- M
- R
- NPT
- G
- One-Touch Plumbing
- Tubes (For One-Touch Fitting Connection)
- Unified Thread
- Plug-In Pipe Fitting
Clear

Effective Sectional Area(mm2)
1

2

2.5

3.5

3.8

4

4.3

5

5.5

5.6

6

6.5

7

8

8.5

9

9.9

10

10.5

11

12

13

14

15

16

17

17.2

17.5

18

19

20

21

22

25

25.5

28

30

33

33.9

35

36

37

38

39

40

41

42

43

45

45.9

48

50

55

56

60

61

62

63

65

74

75

78

79

80

85

86

90

103

105.6

118

120

129.6

148

160

180

199

200

210

250

260

270

280

312

320

370

440

450

500

590

610

960
Clear

Effective Sectional Area【classification】(mm2)
5 or Less

~10

~15

~20

~30

~40

~50

~60

~70

~80

~90

~200

~300

~400

~500

~600

~700

~1000
* ~10 represents over 5, and 10 or less.
Clear

One-Touch Fitting Size
- Ø4
- Ø6
- Ø1/4"
- Ø8
- Ø10
- Ø12
- Ø3/8"
Clear

Brand	(0) (0) AIRTAC (0) CHELIC (0) CHIYODA (4) CKD (3) EASUN (0) FESTO (0) KOGANEI (2) MYOUTOKU (0) NIHON SEIKI (1) PISCO (2) RS Pro (0) SMC (2) TAIYO (2) TRUSCO (0)
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Silencer, Compact Resin Type/Male Thread, AN05 To 40 Series

SMC

[Features]
· Compact and lightweight.
· Noise reduction effect of 30 dB (A).
· Body size: 05/10/15/20/30/40.
· Thread type: M thread / R (no name) / NPT (N).

From: ฿ 79.90
Days to Ship: Same day

Same day

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Silencer: BC Sintered Body Type, AN Series

Silencer: BC Sintered Body Type, AN Series

SMC

[Features]
· Silencer suitable for the exhaust of compact valves and pilot air.
· Surface treatment: Ni plating.

From: ฿ 39.95
Days to Ship: Same day

Same day

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Silencer, SL Series【2 Pieces Per Package】

CKD

Eco-friendly silencer with no paint coating.
[Features]
· The SL-8A to 25A have been upgraded and the whole series unified with lightweight and small sized products.
· Weight reduced by at least 50% compared to existing products from the manufacturer (SL-8A to 25A).
· You can replace the elements to extend usage.
· The chromate treatment (hexavalent chromium) has been abolished.
· Now supports sorted type disposal.
· Noise cancellation effect of 20 dB (A) or more.
[Applications]
· For relief ports on pneumatic valves.

From: ฿ 183.36
Days to Ship: Same day

Same day

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Plug Silencer, PSA Series

TAIYO

Ideal for decreasing the exhaust sound of pneumatic equipment.
[Features]
· Very compact than conventional silencers.
· Exceptional noise cancellation effect.
· Volume reduction is 15 dB or more.
· Requires no mounting space for plug silencer.
· Small and lightweight.

From: ฿ 114.05
Days to Ship: Same day

Same day

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Until 31/03/2025

Silencer CSS-F (Breather Vent) Type

CHIYODA

[Features]
· Abundant variations: Material and size can be selected.
· Brass type: Excellent strength and corrosion-resistance, and is ideal for use in high temperature locations.
· Brass breather vent type: Prevents contaminants such as dust and dirt penetration in the air.
· Stainless steel type: Can be used as a filter for water and chemicals.
· Resin type: Small and lightweight type with a high flow rate design (CSN-H type).

From: ฿ 485.24
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Muffler Resin, KM Series【10 Pieces Per Package】

KOGANEI

Compact type muffler with outstanding sound damping effect and low exhaust gas resistance.
[Features].
· Low air-flow resistance, so it does not adversely affect the operation of equipment.
· Small, lightweight and easy to mount
· Excels in water and oil resistance, providing a long lifespan and ensuring the elements do not corrode.
· Easy cleaning with petroleum, etc.
· Prevents dust from entering through the exhaust port.
[Applications]
· Compatible with pneumatic equipment and production lines in a wide range of industries.

From: ฿ 1,375.83
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Silencer CSB-F Type (Breather Vent)

CHIYODA

From: ฿ 105.00
Special Price
Days to Ship: Same day

Same day

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Metering Valve with Silencer FMS Series【2 Pieces Per Package】

CKD

Integrated silencer and control valve *This series is undergoing revision of the CAD data. Please wait till the corrections are done.

From: ฿ 201.70
Days to Ship: 11 Day(s)

11 Day(s)

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Until 31/03/2025

Silencer, BN-26 Series

NIHON SEIKI

A metal silencer.
[Features]
· Made of metal, giving it excellent strength.
[Applications]
· Sound damping when discharging compressed air.

From: ฿ 198.08
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Mufflers, Brass, KM Series

KOGANEI

Silencer with excellent mechanical strength and made with sintered brass.
[Features]
· Excellent mechanical strength and made with sintered brass.
· Compact with less mounting space.
· Compact type with excellent sound damping effect and exhaust resistance.
· Prevents dust from entering through the exhaust port.
[Applications]
· Compatible with pneumatic equipment and production lines in a wide range of industries.

From: ฿ 238.33
Special Price
Days to Ship: Same day

Same day

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Silencer, Ultra Compact Type, SLM Series

Until 31/03/2025

Silencer, Ultra Compact Type, SLM Series

CKD

[Features]·This is a compact type silencer. ·The sound damping effect is 20 dB "A" or more.

From: ฿ 69.42
Special Price
Days to Ship: Same day

Same day

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Silencer, Quick-Connect Fitting Built-in Type

Until 31/03/2025

Silencer, Quick-Connect Fitting Built-in Type

PISCO

1.5 times the flow rate for the same size

[Features]
· Exhaust sound is decreased by mounting on the exhaust port of the equipment.
· Excellent sound damping effects.
· You can select the most appropriate type from the 3 types available.
· Quick connect fitting built-in type is also available.

From: ฿ 190.63
Special Price
Days to Ship: Same day

Same day

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Speakon muffler SM1 series

TAIYO

[Features]
· Integrated noise silencer and control valve.
· Exhaust flow rate can be controlled 0 ~ 100%.

[Use]
· Can be used for speed control of actuator and noise silencer of exhaust sound.

From: ฿ 424.93
Days to Ship: 14 Day(s)

14 Day(s)

Compare

Until 31/03/2025

SilencerCSB Type

CHIYODA

Excellent strength and corrosion resistance, and suitable for use in high temperatures.

From: ฿ 162.00
Special Price
Days to Ship: 12 Day(s)

12 Day(s)

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Until 31/03/2025

Silencer CSS Type

CHIYODA

From: ฿ 498.45
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Silencer for Metric Thread

PISCO

[Features]
· Exhaust sound is decreased by mounting on the exhaust port of the equipment.
· Excellent sound damping effects.
· You can select the most appropriate type from the 3 types available.
· Quick connect fitting built-in type is also available.

From: ฿ 152.88
Special Price
Days to Ship: Same day

Same day


Brand
Product Series
CAD
From
Days to Ship
Type
Body Material
Mounting Thread Nominal
Pipe Connection Port Type
Effective Sectional Area(mm2)
Effective Sectional Area【classification】(mm2)
One-Touch Fitting Size

	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025
Brand	SMC	SMC	CKD	TAIYO	CHIYODA	KOGANEI	CHIYODA	CKD	NIHON SEIKI	KOGANEI	CKD	PISCO	TAIYO	CHIYODA	CHIYODA	PISCO
Product Series	Silencer, Compact Resin Type/Male Thread, AN05 To 40 Series	Silencer: BC Sintered Body Type, AN Series	Silencer, SL Series【2 Pieces Per Package】	Plug Silencer, PSA Series	Silencer CSS-F (Breather Vent) Type	Muffler Resin, KM Series【10 Pieces Per Package】	Silencer CSB-F Type (Breather Vent)	Metering Valve with Silencer FMS Series【2 Pieces Per Package】	Silencer, BN-26 Series	Mufflers, Brass, KM Series	Silencer, Ultra Compact Type, SLM Series	Silencer, Quick-Connect Fitting Built-in Type	Speakon muffler SM1 series	SilencerCSB Type	Silencer CSS Type	Silencer for Metric Thread
CAD	2D / 3D	2D / 3D	2D / 3D		2D	2D / 3D	2D	2D		2D / 3D	2D	2D / 3D		2D	2D	2D / 3D
From	฿ 79.90	฿ 39.95	฿ 183.36	฿ 114.05	฿ 485.24 Special Price On Sale Until 31/03/2025	฿ 1,375.83 Special Price On Sale Until 31/03/2025	฿ 105.00 Special Price On Sale Until 31/03/2025	฿ 201.70	฿ 198.08 Special Price On Sale Until 31/03/2025	฿ 238.33 Special Price On Sale Until 31/03/2025	฿ 69.42 Special Price On Sale Until 31/03/2025	฿ 190.63 Special Price On Sale Until 31/03/2025	฿ 424.93	฿ 162.00 Special Price On Sale Until 31/03/2025	฿ 498.45 Special Price On Sale Until 31/03/2025	฿ 152.88 Special Price On Sale Until 31/03/2025
Days to Ship	Same day	Same day	Same day	Same day	Same day	Same day	Same day	11 Day(s)	Same day	Same day	Same day	Same day	14 Day(s)	12 Day(s)	Same day	Same day
Type	Standard	Standard	Standard	Plug Type	Standard	Standard	Standard	Exhaust Air Adjusting Type	Standard	Standard	Standard	Standard	Exhaust Air Adjusting Type	Standard	Standard	Standard
Body Material	Resin	Brass	Brass	Resin / Steel	Stainless Steel	Resin	Brass	Brass	Brass	Brass	Brass	Resin	Brass	Brass	Stainless Steel	Resin
Mounting Thread Nominal	M5x0.8	M3X0.5 / M5x0.8	M5x0.8	1/8 / 1/4	1/8 / 1/4	M3X0.5 / M5x0.8	M5x0.8 / 1/8	M5x0.8	M5x0.8	Others	M3X0.5 / M5x0.8	-	M5x0.8	M5x0.8	M5x0.8	M5x0.8 / M6x1
Pipe Connection Port Type	M	M	M	R	R	M	M / R	M	M	Unified Thread	M	One-Touch Plumbing	M	M	M	M
Effective Sectional Area(mm2)	5	1 ～ 5	5	2.5 ～ 5	3.5 ～ 4	1 ～ 4	3.5 ～ 5	4	2	3.5	1 ～ 5	3.5	4	5	4	3.8 ～ 4.3
Effective Sectional Area【classification】(mm2)	5 or Less	5 or Less	5 or Less	5 or Less	5 or Less	5 or Less	5 or Less	5 or Less	5 or Less	5 or Less	5 or Less	5 or Less	5 or Less	5 or Less	5 or Less	5 or Less
One-Touch Fitting Size	-	-	-	-	-	-	-	-	-	-	-	Ø4	-	-	-	-

Application example related to this category

Simultaneous Two-Hand Pushbutton Switch Mechanism

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Related Categories to Silencers

FAQ Silencers

Question: What are the primary functions of a silencer in a pneumatic system?: Answer: Silencers are designed to reduce exhaust noise, control exhaust flow, and filter contaminants from the exhaust air in pneumatic systems. They help maintain a quiet and clean working environment by minimizing the noise generated during air discharge and trapping any oil mist or debris.
Question: What materials are silencers typically made from?: Answer: Silencers are made from various materials depending on the application requirements. Common materials include resin, which is lightweight and cost-effective; brass, known for its durability and corrosion resistance; stainless steel, which is suitable for high-temperature and high-pressure environments; and aluminum for lightweight needs.
Question: How do I choose the right silencer for my pneumatic system?: Answer: To choose the appropriate silencer, consider factors such as the required noise reduction level, the operating environment (temperature, pressure, and exposure to chemicals), the type of connection (thread size and type), and the desired airflow rate. It's essential to match the silencer specifications with the system's requirements.
Question: What types of silencers are available and what are their applications?: Answer: Silencers come in several types including standard silencers for general noise reduction, plug silencers for compact installations, exhaust air adjusting types for flow control, and exhaust cleaners for filtering exhaust air in sensitive environments like cleanrooms. Each type is suited to specific noise reduction and air quality needs.
Question: How does a silencer improve the performance of a pneumatic system?: Answer: A silencer reduces the noise generated during the exhaust phase of a pneumatic cycle, making the system quieter and more comfortable to work around. It also helps maintain the cleanliness of the system by filtering out particulates, which can prevent clogging and extend the lifespan of pneumatic components.
Question: What is the difference between a silencer and a muffler in pneumatic applications?: Answer: In pneumatic systems, both silencers and mufflers are used to reduce noise. Silencers often have the added function of filtering exhaust air, while mufflers primarily focus on noise reduction by dissipating sound energy. Silencers are more commonly used when air quality and cleanliness are critical.
Question: Can silencers be used in food manufacturing environments?: Answer: Yes, there are silencers designed specifically for food manufacturing processes. These silencers use food-grade lubricants and materials that meet hygiene standards to prevent contamination. They are suitable for environments where cleanliness and compliance with food safety regulations are crucial.
Question: How do I maintain and clean a silencer?: Answer: Regular maintenance of a silencer includes inspecting for wear or clogging and cleaning or replacing the filter elements as needed. Resin and plastic silencers can often be cleaned with a mild detergent, while metal silencers may require a solvent-based cleaner to remove oil and debris. Always follow the manufacturer’s guidelines for specific maintenance procedures.
Question: What are the noise reduction capabilities of silencers?: Answer: The noise reduction capabilities of silencers vary, but they typically reduce noise levels by 20 to 40 dB(A), depending on the type and design. High-performance silencers can achieve greater noise reduction, making them suitable for environments that require minimal noise pollution, such as offices or healthcare facilities.
Question: How does a silencer with an integrated throttle valve work?: Answer: Silencers with an integrated throttle valve allow for the adjustment of the exhaust flow rate. This feature enables precise control over the exhaust air, helping to optimize the performance of the pneumatic system and reduce noise levels further. It is particularly useful in applications requiring varying airflow rates.
Question: Why is it important to match the silencer's effective sectional area to the pneumatic system?: Answer: Matching the silencer’s effective sectional area to the system ensures that it can handle the volume of exhaust air without creating back pressure or restricting airflow. This compatibility prevents performance issues such as reduced efficiency or increased wear on system components.
Question: What are the environmental benefits of using silencers in pneumatic systems?: Answer: Silencers help reduce noise pollution, contributing to a quieter and more pleasant working environment. Additionally, by filtering out contaminants from exhaust air, they help reduce the environmental impact of pneumatic systems by preventing the release of particulates and oil mist into the atmosphere.
Question: Can silencers be used with high-pressure pneumatic systems?: Answer: Yes, there are silencers specifically designed for high-pressure applications. These silencers are made from robust materials such as stainless steel and brass, which can withstand the demands of high-pressure environments. It is important to select a silencer rated for the maximum operating pressure of your pneumatic system.
Question: How does the mounting thread size affect the selection of a silencer?: Answer: The mounting thread size determines how the silencer will be attached to the pneumatic system. It is crucial to select a silencer with the correct thread size and type to ensure a proper fit and secure installation. Common thread sizes include M5, M6, and various imperial sizes, and types include NPT, G, and one-touch fittings.
Question: What role does the material of the silencer play in its application?: Answer: The material of the silencer affects its durability, resistance to environmental factors, and suitability for specific applications. For example, brass and stainless steel are ideal for harsh environments due to their corrosion resistance, while resin is suitable for lightweight, low-cost applications where high durability is not required.