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（Mounting Thread Nominal：3/4）

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 (1) CHIYODA (0) CKD (2) EASUN (2) FESTO (0) KOGANEI (1) MYOUTOKU (1) NIHON SEIKI (1) PISCO (0) RS Pro (0) SMC (5) TAIYO (1) TRUSCO (0)
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40 dB (A) High Noise Reduction Silencer, ANA1 Series

SMC

[Features]
· High noise reduction silencer that achieves 85 dB (A) or lower when tested in our factory.
· Fluid: compressed air.
· Maximum operating pressure: 1.0 MPa (*Shows the primary-side pressure of the solenoid valve).
· Noise reduction effect: 40 dB (A) (*May change depending on the air pressure circuit, pressure, etc., from which the exhaust is emitted).
· Ambient temperature and operating fluid temperature: 5 to 60°C.
*Can be used at between -10 to +60°C as long as there is no risk of water drops being generated from the fluid and freezing.

From: ฿ 549.95
Days to Ship: Same day

Same day

Compare

Silencer, Metal Body Type, AN□00 Series

SMC

Silencer with a noise reduction effect of 30 dB (A).
[Features]
· Low airflow resistance.
· Mounting is easy.
· Body size: 500/600/700/800/900.
· Thread type: N (no name) / NPT (R).

From: ฿ 498.10
Days to Ship: Same day

Same day

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Silencer, SL Series

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: ฿ 678.43
Days to Ship: Same day

Same day

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Silencer, High Sound Damping / Compact Type, SLW-S Series

CKD

[Features]·This is a compact and lightweight silencer. ·The sound damping effect is 25 dB "A" or more.

From: ฿ 256.70
Days to Ship: Same day

Same day

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38 dB (A) High Noise Reduction Silencer, ANB1 Series

Until 31/03/2025

38 dB (A) High Noise Reduction Silencer, ANB1 Series

SMC

Silencer usable for the collective exhaust of manifolds, etc.
[Features]
· The ANB1 series is now available, which has the same connection port diameter as the ANA1 series and a large effective cross-sectional area.
· Fluid: compressed air.
· Maximum operating pressure: 1.0 MPa (*Shows the primary-side pressure of the solenoid valve).
· Noise reduction effect: 38 dB (A) (*Noise reduction effects may change depending on the air pressure circuit, pressure, etc., from which the exhaust is emitted).
· Ambient temperature and operating fluid temperature: 5 to 60°C.
*Can be used at between -10 to +60°C as long as there is no risk of water drops being generated from the fluid and freezing.

From: ฿ 853.40
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

General-Purpose Silencer [EBSL]

EASUN

The product is a silencer. Select from M5, G1/8, G1/4, G3/8, G1/2 and G3/4. Please note that this product is sold in lots. (Ex: minimum order quantity of 50) This is from a Chinese pneumatic equipment related products manufacturer established in 1986. Obtained ISO9001 in 1998 and have won high evaluations for stable quality.

From: ฿ 275.75
Special Price
Days to Ship: 7 Day(s)

7 Day(s)

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Silencer, Metal Case Type, 25 Series

SMC

The 25 Series Metal Case Type Silencer prevents the spread of mist and sound from exhaust.
[Features]
· Exhaust is emitted in the axial direction only.

From: ฿ 468.80
Days to Ship: 3 Day(s)

3 Day(s)

Compare

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: ฿ 487.89
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

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5.0‑MPa Silencer, VCHN Series

SMC

Silencer made by SMC.
[Features]
· Noise reduction effect of 35 dB (A)
· Reduced clogging by 1/10 (in-house comparison).
· Relief valve built-in standard
· Enhanced maintainability
· 30 to 40% freezing reduction effect (option)

From: ฿ 3,916.80
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: ฿ 899.09
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

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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: ฿ 1,074.93
Days to Ship: 12 Day(s)

12 Day(s)

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Silencer for Convum MS Series

MYOUTOKU

Convum only silencer that is a light weight type with direct mounting

From: ฿ 1,892.90
Days to Ship: 3 Day(s)

3 Day(s)

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Mini Silencer

EASUN

Brand-name products provided by MISUMI-VONA are based on customer needs and carefully selected from the products of rapidly growing manufacturers in Asia. Select the most appropriate item for the usage environment. This product is from a Chinese pneumatic equipment parts manufacturing company established in 1986. The company obtained ISO9001 certification in 1998 and is top-rated for its quality initiatives. MISUMI VONA offers a wide range of fittings and silencers, etc.

From: ฿ 265.34
Days to Ship: 7 Day(s)

7 Day(s)

Compare

Silencer SLC

CHELIC

MISUMI products are carefully selected products from rapidly growing Asian manufacturers based on the needs of our customers. Choose the product that best suits your current needs. Founded in 1988, Cheric Taiwan pneumatic equipment parts have received high praise on the world market. Their cylinder quality gets particularly high reviews, and is used in various fields.

From: ฿ 390.21
Days to Ship: 7 Day(s)

7 Day(s)


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	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	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
Brand	SMC	SMC	CKD	CKD	SMC	EASUN	SMC	NIHON SEIKI	SMC	KOGANEI	TAIYO	MYOUTOKU	EASUN	CHELIC
Product Series	40 dB (A) High Noise Reduction Silencer, ANA1 Series	Silencer, Metal Body Type, AN□00 Series	Silencer, SL Series	Silencer, High Sound Damping / Compact Type, SLW-S Series	38 dB (A) High Noise Reduction Silencer, ANB1 Series	General-Purpose Silencer [EBSL]	Silencer, Metal Case Type, 25 Series	Silencer, BN-26 Series	5.0‑MPa Silencer, VCHN Series	Mufflers, Brass, KM Series	Speakon muffler SM1 series	Silencer for Convum MS Series	Mini Silencer	Silencer SLC
CAD	2D / 3D	2D / 3D	2D / 3D	3D	2D / 3D	3D	2D / 3D		2D / 3D	2D / 3D			3D
From	฿ 549.95	฿ 498.10	฿ 678.43	฿ 256.70	฿ 853.40 Special Price On Sale Until 31/03/2025	฿ 275.75 Special Price On Sale Until 31/03/2025	฿ 468.80	฿ 487.89 Special Price On Sale Until 31/03/2025	฿ 3,916.80	฿ 899.09 Special Price On Sale Until 31/03/2025	฿ 1,074.93	฿ 1,892.90	฿ 265.34	฿ 390.21
Days to Ship	Same day	Same day	Same day	Same day	Same day	7 Day(s)	3 Day(s)	3 Day(s)	Same day	3 Day(s)	12 Day(s)	3 Day(s)	7 Day(s)	7 Day(s)
Type	Standard	Standard	Standard	Standard	Standard	Standard	Exhaust Cleaners	Standard	Standard	Standard	Exhaust Air Adjusting Type	Standard	Standard	Standard
Body Material	Resin	Aluminum	Aluminum	Phosphor Bronze	Aluminum	Brass	Zinc Alloy	Brass	Aluminum	Brass	Brass	Resin	Brass	Brass
Mounting Thread Nominal	3/4	3/4	3/4	3/4	3/4	3/4	3/4	3/4	3/4	3/4	3/4	3/4	3/4	3/4
Pipe Connection Port Type	R	R / NPT	R	R	R	R	R / NPT	R	R	R	R	G	G	R
Effective Sectional Area(mm2)	90	160	160	90	160	-	105.6	148	160 ～ 200	103	60	-	-	-
Effective Sectional Area【classification】(mm2)	~90	~200	~200	~90	~200	-	~200	~200	~200	~200	~60	-	-	-
One-Touch Fitting Size	-	-	-	-	-	-	-	-	-	-	-	-	-	-

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.