Welded thermo wells and root sleeves

EPIC® SENSORS is your choice when you need to make the process more effective!

For welded applications we offer welded wells, separate cooling neck with connection head for them and welded root sleeves for installing threaded wells.

Welded well and sleeve materials and their temperature resistances are:

  • L = 13CrMo44 / 1.7335 / 550 °C
  • M = 10CrMo910 / 1.7380 / 580 °C
  • O = 16Mo3 / 1.5415 / 480 °C
  • K = AISI 316L / 800 °C.

Individual components are presented below.

Complete sensors with welded wells are presented here.

Complete sensors with welded ball wells for hygienic areas are presented here.

Check out all our thermo wells!

Welded wells

Welded wells dimensions

Welded wells (without cooling neck and connection head) are available according to this table:

Product numberTypeFor sensing element
diameter/length [mm]
Inner threadL
[mm]
La
[mm]
Da
[mm]
Lb
[mm]
Db
[mm]
1025318E-6/303/120
1025319E-6/553/145
1090956E-6/1153/205
911966D1-L6/315M18×1,51405024h76512,5
911144D4-L6/375M18×1,520011024h76512,5
911968D5-L6/435M18×1,526011024h712512,5
911907D1-M6/315M18×1,51405024h76512,5
911165D4-M6/375M18×1,520011024h76512,5
911457D5-M6/435M18×1,526011024h712512,5
911890D1-K6/315M18×1,51405024h76512,5
911161D4-K6/375M18×1,520011024h76512,5
911967D5-K6/435M18×1,526011024h712512,5
911906D1-O6/315M18×1,51405024h76512,5
911145D4-O6/375M18×1,520011024h76512,5
911969D5-O6/435M18×1,526011024h712512,5
912066D1S-L3/315M14×1,51405018h7659
911164D4S-L3/375M14×1,520011018h7659
912067D1S-M3/315M14×1,51405018h7659
911166D4S-M3/375M14×1,520011018h7659
912065D1S-K3/315M14×1,51405018h7659
911162D4S-K3/375M14×1,520011018h7659
912068D1S-O3/315M14×1,51405018h7659
911163D4S-O3/375M14×1,520011018h7659

Other sizes and materials are quoted upon request.

Cooling neck and connection head for welded wells

Cooling neck and head for welded well

If You already have Your well welded in Your prosess, You can buy the cooling neck and connection head for it as a component.

These necks have outer threads which can be applied for D-wells:

  • M14×1,5 for D1S and D4S
  • M18×1,5 for D1, D4 and D5.

Cooling necks and connection heads, as components (without wells, without sensing elements) are:

Product nunberTypeFor well types
915312H-12-D/H-165/M18X1,5 D1, D4 and D5
915313H-12-D/H-165/M14X1,5 D1S and D4S

Cooling neck and connection head equipped with sensing element - without welded well - is presented on Datasheet 5

Cooling neck and connection head equipped with sensing element and with welded well is presented on Datasheet 4

Installation example: Well welded on root sleeve
Welded root sleeves - dimensions

Welded root sleeves for welded wells

The root sleeve is first welded on a process pipe/vessel, then bored to precise inner dimension and after that the D1/D1S/D4/D4S/D5 well is welded on the root sleeve as shown in the installation example image beside.

Root sleeve material should be chosen according to the material of the well to be welded on.

Welded root sleeves, as components are:

Product number Type For well type
1025309 18-K D1S and D4S
1025312 18-L D1S and D4S
1025313 18-M D1S and D4S
918138 18-O D1S and D4S
912333 24-K D1, D4 and D5
912331 24-L D1, D4 and D5
912332 24-M D1, D4 and D5
912334 24-O D1, D4 and D5

Other materials and sizes are quoted upon request.

Complete RTD and TC sensors with welded wells (D1...D5) are presented on Datasheet 4.

Welded thread sleeves

Welded sleeves

Welded thread sleeves are first welded on process pipes/vessels and threaded wells are then screwed on.

Material of welded thread sleeves is - as standard - acid proof stainless steel AISI 316L.

Welded thread sleeves available are:

Product numberType and
inner thread
Overall
length [mm]
1025314  G1/2” L=30
1002689 G1/2” L=70
1003144 G1/2” L=100
1028394  G1” L=70

Other materials and sizes are quoted upon request.

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