Thermowells
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Thermowells


VAISHNAV INSTRUMENTS offer bar stock thermowells / sleeves are designed to meet standards established by bsi, din, asme and other authorities.

Drilled Bar Stock Thermowell :
Our thermowell bodies are machine and drilled from solid bar stock. this results in a non-welded water tight unit. High accuracy machines are used to ensure concentricity of the bore with respect to the outside diameter and a consistant wall thickness over the full length of the thermowell.


Thermowells
Thermowells


Configuration stem style in:
Tapered, stepped or straight style and machine to ensure compatibility with process requirement. tapered and stepped style thermowells increases the speed of response whilst maintaining its mechanical strength.

Flange mounted thermowell :
we supply flange mounted thermowell to ansi b16.5 standard and pound ratings ranging from 150ib/ sq in to 2500ib/sq in. other standard flanges like din, jis, ring joint facing (rtj), and cover flange are available. special machined nozzle thermowell (shell standard) are also available.
Threaded mounted thermowell :
A comprehensive range of thermowells machined from solid bar stock can be designed and fabricated to customer’s requirement. following types of thread are commonly supplied: npt bsp metric etc.
pocket thermowell : pocket thermowell offers a lower cost alternative to solid drilled construction where high pressure is not a design consideration. they are fabricated from high quality seamless tube or schedule pipes with ends sealed with welded plug.



Standard materials:
SS304, SS 316/ 316L, carbon steel, brass etc.

Special alloy material :
Inconel, Hastelloy, Titanium, Monel, Teflon etc.

Welding :
welding are accordance to asme ix.
quality assurance & testing
all materials used are of the highest quality and strict control is applied to both material selection and manufacturing processes. inspection including the following:-


Thermowells
Thermowells


full dimensional check as standard bore concentricity check as standard dye penetrant test on welded joints only as standard hydrostatic testing of up to max. 10,000 psi as option requirement radiographic testing on the well body as option requirement

Certification including material certificates from supplier and steel mill certificates can be provided and documents of in-house testing as well as third party certification on products can be provided in compliance to international and user standard.

Indentification data :
the serial, heat and reference numbers are stamped or electro-etached on each thermowell for identification purposes. additional tagging in accordance with customer’s requirement is also available.