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Plastic Mufflers, Plastic Silencers -- PST Porous Plastic Silencer

PST porous plastic silencer is used on the exhausts of valves to reduce the noise and prevent metal chips, abrasive grits, dust and other contaminants from entering open exhaust ports and causing premature valve failure.

Material of PST Porous Plastic Silencer

  • Body(noise absorbing material): Polyethylene
  • Base(thread): Acetal Plastic

PST Porous Plastic Silencer Drawing of PST Porous Plastic Silencer

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 M8 x 1.25 M10 x 1 M10 x 1.25 M12 x 1.25 M12 x 1.5 M14 x 1.5 M16 x 1.5 M20 x 1.5

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

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

Thread (NPT)
Part No. Thread (NPT)
PST N01 1/8NPT
PST N02 1/4NPT
PST N03 3/8NPT
PST N04 1/2NPT

BSL Standard Sintered Silencer Catalogue
PST Porous Plastic Silencer Documentation


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