With Flanged Thermowell Assembly

Flanged thermowells manufactured at Goa Thermostatic are available in the following designs.

Refer TABLES for ranges available, connection types and the various options available with the supply of Temperature gauges.

Screwed and Flange seal welded to the Thermowell: 400 Series

Temperature Gauges Pressure Gauges Thermowells Thermostatic

  • Insert Gas filled or Mercury filled Thermometers.
  • "All Stainless Steel" fully welded construction.
  • Case compensation to SAMA class VB.
  • Weather-proof casing to IP:65, IS:13947.
  • Toughend glass standard, shatterproof glass as option.
  • Micro-gear pointer for zero re-set.
  • Dry and filled versions.
  • Made from Drilled bar stock.
  • Flanged well with Tapered shank.
  • Safe design as per ASME PTC19.3.
  • Various materials to choose from.
  • Option to provide velocity collar.
Scope of supply : TG 400 Series Mercury in steel Temperature gauges with a flanged tapered well.
Model Number (Typ) : TG 400# Series M-D-E-1-6-S4-S6-10-xx-xx-Range-316-A105-U-T-1.5”150#RF-Op0.
TG 400# Series G-D-E-1-6-S4-S6-10-xx-xx-Range-316-A105-U-T-1.5”150#RF-Op0.
Case : SS304, Weather-proof to IP:65, IS:13947, bayonet bezel ring.
Dial Size : 100mm (4”), white background with black numerals.
Pointer : Aluminum, black anodized.
Window : Shatter-proof Glass.
Stem/Bulb : 10mm dia in SS316.
Range : As shown against tag nos in °C.
Overall inaccuracy : Within ± 1% FSD.
Overrange protection : 130% FSD.
Connection to well : ½”NPT(M), adjustable connector in SS304.
Thermowell : DBF …Drilled Bar-stock Flanged.
Well Material : SS304.
Female Threads : ½”NPT(F).
Process Connection : 1.5”flanged to ANSI B16.5, 300#RF.
Flange Material : A182 F304.
Bore : 12mm.
Hot end OD : 20mm tapering from 26mm below flange.
Insertion Length : Umm as shown below.
Extension : T=62mm.
Total well length : U + 62mm.

*Please note the following parameters can be varied by referring to the model decoding sheet:
Type of gauge, Model Number, Case material, Dial Size, Mounting, Stem diameter and insertion length, capillary type and length, Range and unit of measurement required, Accuracy required ,the Connection to process, well and flange material, flange size and rating, insertion length and the hot end OD Dimensions.

Flanged Thermowell as per EN0165.00 design: 410 Series

Temperature Gauges Pressure Gauges Thermowells Thermostatic

  • Insert Gas filled or Mercury filled Thermometers.
  • "All Stainless Steel" fully welded construction.
  • Case compensation to SAMA class VB.
  • Weather-proof casing to IP:65, IS:13947.
  • Toughend glass standard, shatterproof glass as option.
  • Micro-gear pointer for zero re-set.
  • Dry and filled versions.
  • Made from Drilled bar stock, screwed and flange seal welded to the thermowell.
  • Flanged well as per EN0165.00 with Tapered shank.
  • Safe design as per ASME PTC19.3.
  • Various materials to choose from.
Scope of supply : TG 410 Series Mercury in steel Temperature gauges with tapered shank wells.
Model Number (Typ) : TG 410# Series M-D-E-1-6-S4-S6-10-xx-xx-Range-316-F316-U-T-1.5”150#RF-Op0.
TG 410# Series G-D-E-1-6-S4-S6-10-xx-xx-Range-316-F316-U-T-1.5”150#RF-Op0.
Case : SS304, Weather-proof to IP:65, IS:13947, bayonet bezel.
Dial Size : 100mm (4”), white background with black numerals.
Pointer : Aluminum, black anodized.
Window : Shatter-proof Glass.
Stem/Bulb : 6 mm dia in SS316.
Range : As shown against tag nos in °C.
Accuracy : ± 1% FSD.
Overrange protection : 130% FSD upto 400 °C, 120% FSD beyond 400 °C.
Zero adjustment : Provided at the back of case.
Connection to well : ½” NPT (M), adjustable connector in SS304.
Thermowell : DBF …Drilled Bar-stock Flanged.
Well Material : SS316.
Flange Material : A182 F316.
Female Threads : ½”NPT(F).
Process Connection : 1½” flanged to ANSI B16.5, rating as shown against requirement.
Flange seal welded to well.
Bore : 13 mm.
Hot end OD : 22 mm tapering from 27 mm below process flange.
Insertion Length : U mm.
Extension : T mm.
Total well length : U + T mm.

*Please note the following parameters can be varied by referring to the model decoding sheet:
Type of gauge, Model Number, Case material, Dial Size, Mounting, Stem diameter and insertion length, capillary type and length, Range and unit of measurement required, Accuracy required ,the Connection to process, well and flange material, flange size and rating, insertion length and the hot end OD Dimensions
.

Stepped straight shank Thermowell for faster response: 420 Series

Temperature Gauges Pressure Gauges Thermowells Thermostatic

  • Insert Gas filled or Mercury filled Thermometers.
  • "All Stainless Steel" fully welded construction.
  • Case compensation to SAMA class VB.
  • Weather-proof casing to IP:65, IS:13947.
  • Toughend glass standard, shatterproof glass as option.
  • Micro-gear pointer for zero re-set.
  • Dry and filled versions.
  • Made from Drilled bar stock.
  • Flanged well with stepped straight shank for faster response.
  • Safe design as per ASME PTC19.3.
  • Various materials to choose from.
Scope of supply : TG 420 series Mercury in steel Temperature gauges with a flanged stepped shank well.
Model Number (Typ) : TG 420# Series M-D-E-1-6-S4-S6-10-xx-xx-Range-316-F316-U-T-1.5”150#RF-Op0.
TG 420# Series G-D-E-1-6-S4-S6-10-xx-xx-Range-316-F316-U-T-1.5”150#RF-Op0.
Case : SS304, Weather-proof to IP:65, IS:13947, bayonet bezel ring.
Dial Size : 150mm (6”), white background with black numerals.
Pointer : Aluminum, black anodized.
Window : Shatter-proof Glass.
Stem/Bulb : 8mm dia in SS316.
Range : As shown against tag nos in °C.
Overall inaccuracy : Within ± 1% FSD.
Overrange protection : 130% FSD.
Connection to well : ½”NPT(M), adjustable connector in SS304.
Thermowell : DBF …Drilled Bar-stock Flanged.
Well Material : SS316.
Female Threads : ½”NPT(F).
Process Connection : 1.5”flanged to ANSI B16.5, 300#RF.
Flange Material : ASTM A105.
Bore : 9mm.
Hot end OD : 18mm for tail portion of 150mm, 22mm for rest of the shank below flange.
Insertion Length : Umm as shown below.
Extension : T=70mm.
Total well length : U + 70mm.

*Please note the following parameters can be varied by referring to the model decoding sheet:
Type of gauge, Model Number, Case material, Dial Size, Mounting, Stem diameter and insertion length, capillary type and length, Range and unit of measurement required, Accuracy required ,the Connection to process, well material, insertion length and the hot end OD Dimensions .

Thermowell design Straight and tapered at the sensing end: 430 Series

  • Insert Gas filled or Mercury filled Thermometers.
  • "All Stainless Steel" fully welded construction.
  • Case compensation to SAMA class VB.
  • Weather-proof casing to IP:65, IS:13947.
  • Toughend glass standard, shatterproof glass as option.
  • Micro-gear pointer for zero re-set.
  • Dry and filled versions.
  • Made from Drilled bar stock.
  • Flanged well with straight and Tapered shank.
  • Safe design as per ASME PTC19.3.
  • Various materials to choose from.
Scope of supply : TG 430 Series Mercury in steel Temperature gauges with drilled bar-stock flanged thermowells.
Model Number (Typ) : TG 430# Series M-D-E-1-6-S4-S6-10-xx-xx-Range-316-F316-U-T-1.5”150#RF-Op0.
TG 430# Series G-D-E-1-6-S4-S6-10-xx-xx-Range-316-F316-U-T-1.5”150#RF-Op0.
Case : SS304, Weather-proof to IP:65, IS:13947, bayonet lock bezel ring.
Dial Size : 150mm (6”), white background with black numerals.
Mounting : “Every Angle”, back entry, local mounting.
Pointer : Aluminum, black anodized.
Window : 4mm thick toughened Glass.
Stem/Bulb : 8mm dia in SS316.
Range : As shown against tag nos in °C.
Overall inaccuracy : Within ± 1% FSD.
Overrange protection : 130% FSD.
Zero re-set : Provided at the back of the case by screw rotation.
Connection to well : ½”NPT(M), adjustable connector in SS304.
Thermowell : DBF …Drilled Bar-stock Flanged.
Well Material : SS304.
Female Threads : ½”NPT(F).
Process Connection : 1.5” flanged to ANSI B16.5, 300#RF.
Flange Material : A182 F304.
Bore : 8.5mm.
Hot end OD : 16mm tapering from 21mm for tail portion of 150mm.
Well Insertion Length : Umm as shown below.
Extension : T=70mm.
Total well length : U+70mm.

*Please note the following parameters can be varied by referring to the model decoding sheet:
Type of gauge, Model Number, Case material, Dial Size, Mounting, Stem diameter and insertion length, capillary type and length, Range and unit of measurement required, Accuracy required ,the Connection to process, well and flange material, flange size and rating, insertion length and the hot end OD Dimensions.

Thermowell with a sleeve/ lining in Tantalum, Titanium, Hastelloy B: 450 Series

  • Insert Gas filled or Mercury filled Thermometers.
  • "All Stainless Steel" fully welded construction.
  • Case compensation to SAMA class VB.
  • Weather-proof casing to IP:65, IS:13947.
  • Toughend glass standard, shatterproof glass as option.
  • Micro-gear pointer for zero re-set.
  • Dry and filled versions.
  • Flanged well with lining.
  • Lining in Ta, Ti, Ni, Hastelloy B.
Scope of supply : TG 450 Series Mercury-in-steel Temperature gauges with a flanged well and lining.
Model Number (Typ) : TG 450# Series M-D-E-1-6-S4-S6-10-xx-xx-Range-316-Ta-F316-U-T-1.5”150#RF-Op0.
TG 450# Series G-D-E-1-6-S4-S6-10-xx-xx-Range-316-Ta-F316-U-T-1.5”150#RF-Op0.
Case : Die-cast Aluminum, Weather-proof to IP:65, IS:2147, screwedbezel, epoxy painted black.
Dial Size : 150 mm(6”), white background with black numerals.
Pointer : Micrometer zero adjustment type.
Window : Shatter-proof Glass.
Stem/Bulb : 9 mm dia in SS316.
Bourdon : SS316.
Movement : SS304.
Range : As shown against tag nos in °C.
Accuracy : ± 1% FSD.
Overrange protection : 130% FSD.
Connection to well : ½” NPT (M), adjustable connector in SS304.
Thermowell : DBF …Drilled Bar-stock Flanged.
Well Material : SS316.
Flange Material : A182 F316.
Lining : Hastelloy C, covering entire thermowell shank and RF portion of flange.
Female Threads : ½” NPT (F).
Process Connection : 1 ½” ANSI B16.5 150#RF.
Bore : 10mm.
Well OD : 16mm, including lining.
Lining Dimension : 16mm OD x 1mm wall thickness.
Insertion Length : U mm as shown below.
Total well length : U + 50mm.

*Please note the following parameters can be varied by referring to the model decoding sheet:
Type of gauge, Model Number, Case material, Dial Size, Mounting, Stem diameter and insertion length, capillary type and length, Range and unit of measurement required, Accuracy required ,the Connection to process, well and flange material, flange size and rating, insertion length and the hot end OD Dimensions.

 

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