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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

Speed Control Silencer, Flow Control Silencer Drawing - Speed Control Silencer, Flow Control Muffler

Thread Standard and Type
PT, R, BSPT - 55° Taper Pipe Thread
R1/8 R1/4 R3/8 R1/2 R3/4 R1 R1.1/4 R1.1/2 R2
 
BSPP, G - 55° Parallel Pipe Thread
G1/8 G1/4 G3/8 G1/2 G3/4 G1 G1.1/4 G1.1/2 G2
 
UNF NPT - 60°American Standard Taper Pipe Thread
10-32UNF 1/8NPT 1/4NPT 3/8NPT 1/2NPT 3/4NPT 1NPT 1-1/4NPT 1-1/2NPT 2NPT
 
Metric Thread
M5 x 0.8 M6 x 1 M8 x 1 M10 x 1 M12 x 1.25 M14 x 1.5 M16 x 1.5 M20 x 1.5

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

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

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

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

BSLM Breather Vent Sintered Silencer Catalogue
BESL Speed Control Silencer (Flow Control Muffler) Documentation
 

OEM Service

Meanwhile, Pneuflex Could offer OEM service on Pneumatic Fittings, Composite Pneumatic Fitting, Pneumatic Push in Fittings, One Touch Tube Fittings with O-ring, Brass Push in Fittings, Compact One Touch Fittings, PU Tubing, Nylon Tubing, Flow Speed Controllers and Hand Valves. Please be free to contact with us for details.

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