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Envelope
Description
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Envelope Style 115
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Style 115 is a
machined or milled center envelope. When ordering PTFE envelope gaskets, the
numeric designation is for the envelope type, followed by a
letter or letters which designates the filler type. |
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Filler
Types |
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Filler
Type D
- Darpak |
A Milled PTFE
envelope with Darpak
, a high temperature compressed synthetic fiber gasket
filler
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Filler
Type B
- Blue Felt |
A Milled PTFE
envelope with Blue
Felt Sheet is a homogeneous blend of polymers and
reinforcing materials. It has good compressibility and heat and chemical
resistance. |
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Filler
Type N
- Neoprene |
A Milled PTFE
Envelope with commercial grade Neoprene filler |
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Filler
Type V
- Viton |
A Milled PTFE
Envelope with commercial grade Viton filler |
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Filler
Type BSB
- Blue Felt/Corrugated Steel/Blue Felt |
A Milled PTFE
Envelope with a corrugated Carbon Steel disk between two
pieces of Blue Felt fillers |
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Filler
Type BDB
- Blue Felt/Darpak/Blue Felt |
A Milled PTFE
Envelope filled with a compressed synthetic fiber gasket
between two pieces of Blue Felt |
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Filler
Type BSSB
- Blue Felt/Stainless Steel/Blue Felt
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A Milled PTFE
Envelope with a corrugated Stainless Steel disk between two
pieces of Blue Felt fillers |
