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Ashcroft 200 Welded Diaphragm Seal

Welded Diaphragm Seal
200

Type 200 Welded
• Teflon gasketed, continuous-duty diaphragm capsule is welded to the top housing, which is then clamped to a bottom housing.
• Fill/bleed connection is standard.
• Top housing and pressure instrument are removable.
• Available in same process connections, materials, types and sizes as the Type 100 capsule design.
• Top housing is interchangeable with all standard Ashcroft® bottom housings.

Select a link under the "item" tab below to order.

Table 1Table 2Table 3Table 4Table 5Table 6
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Table 1Type Number
200Threaded
201Threaded with flushing connection
202Raised Face Flanged ½”,¾” NPT
203Raised Face Flanged 1½”,2”,3”(raised face only)
204In-line Threaded
205Saddle
206In-line Flanged
207In-line Socket Weld
208Welded & Bonded(3)
Table 2Process Connection
CodeSize
25¼
50½
75¾
101
Table 3Diaphragm Material
S316L stainless steel
C304 stainless steel
PMonel 400
NNickel
DCarpenter 20
UTantalum
GHastelloy B
JHastelloy C 22
HHastelloy C 276
TTeflon(¹)
YViton(²)
KKalrez(⁷)
TITitanium
Table 4Bottom Housing Materials
BSteel
C304L stainless steel
S316L stainless steel
GHastelloy B
JHastelloy C 22
HHastelloy C 276
DCarpenter 20
MMonel “400”
WInconel “600”
NNickel
VPVC⁽³⁾
SUTantalum clad stainless steel⁽4⁾
BHHalar coated stainless steel⁽5⁰⁾
TTeflon flanged steel⁽6⁾
KYKynar⁽7⁾
TITitanium
Table 5Instrument Connection
02T¼ NPT
04T½ NPT
Table 6Filling Fluid
CodeFilling Connection to Instrument Temperature Range °F
CGGlycerin Direct Only
CKSilicone Direct or Flexible Line
CFHalocarbon Direct or Flexible Line
HASyltherm Direct or Flexible Line
Model Number: Type 200, 201, 202, 203, 204, 205, 206, 207, 208
Instrument Connection Size: 1⁄4", 1⁄2" NPT


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