BESL Speed Control Silencer (Flow Control Muffler)

BESL speed control silencer (also flow control muffler) is a kind of integrated muffler and exhaust throttle normally installed on the exhaust ports of pneumatic control valves to both quieten and reduce the exhaust air flow of the actuator that the valve is connected to. The air release flow can be ajusted by this BESL flow control muffler. External tightening with a flat wrench or socket wrench. Thread ranges from M5, M6, 10-32UNF, 1/8″ to 1″.

Material of Speed Control Silencer and Flow Control Muffler

• Body(noise absorbing material): Sintered Bronze
• Base(thread): Brass
• Needle and Nut: Brass

Thread (PT, R, BSPT)
Part No.	Thread (PT, R, BSPT)
BESL 01	R1/8
BESL 02	R1/4
BESL 03	R3/8
BESL 04	R1/2
BESL 06	R3/4
BESL 08	R1

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Thread (BSPP, G)
Part No.	Thread (BSPP, G)
BESL G01	G1/8
BESL G02	G1/4
BESL G03	G3/8
BESL G04	G1/2
BESL G06	G3/4
BESL G08	G1

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Thread (NPT)
Part No.	Thread (NPT)
BESL U10	10-32UNF
BESL N01	1/8NPT
BESL N02	1/4NPT
BESL N03	3/8NPT
BESL N04	1/2NPT
BESL N06	3/4NPT
BESL N08	1NPT

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Thread (Metric)
Part No.	Thread (Metric)
BESL M5 x 0.8	M5 x 0.8
BESL M6 x 1	M6 x 1
BESL M8 x 1	M8 x 1
BESL M8 x 1.25	M8 x 1.25
BESL M10 x 1	M10 x 1
BESL M10 x 1.25	M10 x 1.25
BESL M12 x 1.25	M12 x 1.25
BESL M14 x 1.5	M14 x 1.5
BESL M16 x 1.5	M16 x 1.5
BESL M20 x 1.5	M20 x 1.5

BESL Speed Control Silencer (Flow Control Muffler) Documentation