MANUFACTURING IS OUR PASSION

Types: Variety of models based on sensing elements such as diaphragm, bellow, Capsule, etc. are available.

Bellow type Differential Pressure Gauges are available with 6” dial size and accuracy of +/-1% FSD as standard and static pressure of 100 Kg/cm2.

Diaphragm type Differential Pressure Gauges models are available with 4” and 6” dial size with single and double diaphragm elements and accuracy of +/- 2% FSD standard and +/- 1.6% on request.

Magnehelic Differential Pressure Gauges are available with dial size 4” and 6” dial size, minimum range 0 – 100mmwc and static pressure upto 100 Bar.

Mag DP Gauge model is especially designed for pharma applications with very low ranges of 0 – 6 mmwc to 0 – 25 mmwc.

Diaphragm Seals: Diaphragm Seals are available in various designs such as flush diaphragm seal, Sandwich type “I” section diaphragm seal, Capillary type diaphragm seal, etc.

Pl. refer our catalogues for different models of DP Gauges designed based on combinations of Differential Pressure range, operating pressure and static pressure.

Range: Differential Pressure Gauges designed for low DP range as 0 – 60mmwc and above various combinations of DP ranges and static pressure maximum upto 400 Kg/cm2 is available for industrial process applications.

The latest IP-68 protection is offered as standard feature for all gauges.

Wetted Parts: Based on different type of models wetted parts can be provided in SS316, SS316L, SS316 Ti, Monel, Hastelloy, Inconel, Incolloy, Titanium, Tantalum, Nickel, PTFE Coated / Lined / block etc.

Accessories: Gauge Saver, Manifold Valve, pointer puller and fixture kit, etc.

Special Features: Maxima pointer, NACE Compliance, Colour band, dual scale range, liquid filed case, O2 (oxygen cleaning), N2 (Nitrogen cleaning), blow out disc at back, vacuum protection, capillary extension, micrometer pointer and many other features.

Unique design of external zero reset Knob for liquid filled Differential Pressure gauges wherein zero can be adjusted without opening the case and bezel and draining the liquid filling from case. This special feature is developed by GIC and essentially demanded by oil and gas / hydrocarbon industry onshore and offshore.

Quality: certified as CE, ATEX, GOST –R, GOST Pattern approval, IBR certification, Type tested by BV, Calibration reports from NABL (National Accreditation Board for Testing & Calibration Laboratory) certified in-house calibration laboratory. Regular Inspection and testing by BV, DNV, TUV, Lloyds, ABS, Moody, EIL, CEIL, etc.

Certificates: Certificate of conformance, Test and calibration certificate, IP Certification, Material test certificates, 3.1 MTC, 3.2 MTC, PMI, PWHT, IGC various practices, NACE-MR-01-75 & NACE-MR-0103, Hydrotest, etc. available.

Differential Pressure Gauges – Bellow Type

Differential Pressure Gauges – Diaphragm Type

Differential Pressure Gauges – Capsule Type

Differential Pressure Gauges – Magnehelic Type

Differential Pressure Gauges – Mag DP (Pharma Applications)

Flow indicator – Diff. Pressure Gauge with flow element assembly

Diaphragm Seals
Sandwitch Type Diaphragm Seals	Flush Type Diaphragm Seals

Indicating and Blind Pressure and Differential Pressure Switches are manufactured to suit various industrial applications for accurate control of various process applications. High quality Pressure Switches are proven for its precision, reliability, safety and high product life cycle in worldwide onshore and offshore industries.

Type: Indicating Pressure Switches (Pressure Gauge with Switch), Indicating Differential Pressure Switches (Differential Pressure Gauge with Switch), Blind Pressure Switch, Blind Differential ressure Switch

Diaphragm Seals: Diaphragm Seals are available in various designs such as flush diaphragm seal, Sandwich type “I” section diaphragm seal, Capillary type diaphragm seal, etc.

Range: Standard and customized models covering pressure range from (vacuum) 1 kg/cm(g) to high pressure range 400 kg/cm (g) are available with UL & CSA certified switching elements for AC & DC services.

The latest IP-68 protection is offered as standard feature for all indicating pressure and differential pressure switches and IP -67 for blind pressure and DP switches.

Wetted Parts: Based on different type of models wetted parts can be provided in SS316, SS316L, SS316 Ti, Monel, Hastelloy, Inconel, Incolloy, Titanium, Tantalum, Nickel, PTFE Coated / Lined / block etc.

Special Features: High repeatability and low hysteresis, switch setting throughout the range externally, choice of electrical contacts – 1 SPST or 2 SPST, Microswitch 1 SPDT / 2 SPDT, Hermitically sealed contacts, weatherproof to IP-68, Flame-Proof and Ex-proof – ATEX certified enclosures, etc.

Accessories: Switch Saver, Snubber (Pulsation Dampener), Cooling Tower, Syphon, Gauge adaptor, swiveling adaptor, Gauge Cock, Needle Valves, Manifold Valve, flushing ring, pointer puller and fixture kit, etc. are available.

Quality: Certified with CE, ATEX, GOST –R, Calibration reports from NABL (National Accreditation Board for Testing & Calibration Laboratory) certified in-house calibration laboratory. Regular Inspection and testing by BV, DNV, TUV, Lloyds, ABS, Moody, etc.

Certificates: Certificate of conformance, Test and calibration certificate, IP Certification, Material test certificates, 3.1 MTC, 3.2 MTC, PMI, PWHT, IGC various practices, NACE-MR-01-75 & NACE-MR-0103, Hydrotest, etc. available.

Indicating Pressure Switches	Indicating Low Range Pressure Switches
Indicating Differential Pressure Switch	Blind Pressure / Diff. Pressure Switches
Diaphragm Seals
Sandwitch Type Diaphragm Seals	Flush Type Diaphragm Seals
Accessories
Snubber	Pig tail Syphon
U Syphon	Gauge saver
Gauge Cock	Needle Valve
Two Valve Manifold	Three Valve Manifold
Five Valve Manifold	Cooling Tower
Flushing Rings

Temperature Elements & Thermowells are manufactured at our New Mumbai plant which is established under technical collaboration with M/s. Gauges Bourdon Ltd. – UK / France. High quality elements / sensors are proven for its precision, reliability, safety and high product life cycle in worldwide onshore and offshore industries.

General offers ATEX and CE certificated RTD and Thermocouples with various combinations of length and outer sheath with rapid response to withstand pressure, erosion and vibration environment. RTD & Thermocouples are manufactured in accordance with national and international standards such as ANSI MC96.1, IEC 584, IEC 751, DIN 43670 class A & B.

Types: RTD : Simplex / Duplex type MI RTD Assemblies, Multipoint RTD, Nickel wire RTD, RTD with Temperature Transmitter, Skin type RTD Assemblies, Bearing Temperature Measurement RTD, Room Temperature Measurement RTD, Retractable Telescopic RTD

Thermocouple : J, K, E, T, N, R , S , B type thermocouples, simplex / duplex / triplex element MI Thermocouples, MI Thickwall Thermocouples, MI Tube Skin Thermocouple Assemblies, Multipoint Thermocouple Assemblies, Special Thermocouple Assemblies
SS316, SS321, Inconel 600 Sheath & Weatherproof, Flameproof, EX-Proof enclosures (ATEX certified)

Testing: Chemical Analysis, Dimensional, Hydro Test, Dye Penetration, Bore concentricity, Physical, Microstructure, Post Weld H/T, NACE Compliance, Radiography, Ultrasonic, IGC various practices, IBR, PMI, etc. Approved WPS / PQR for various raw materials and welder and NDE qualification available . Regular Inspection and testing by BV, DNV, TUV, Lloyds, ABS, Moody, EIL, CEIL, etc.

Tests: Calibration, Nitrogen leak test, Dimensional check, Insulation resistance (>100 M ohm @ 500VDC at 250C), Continuity Test, Vibration test, Drop / Shock test, Self heating error test, Response time test (In situ-water flowing @ 20 ltr. Per second), Autoclave test, Hot IR Test

Certification: CE, ATEX, CCOE, GOST R,BIS,DGMS

RTD
MI RTD Assemblies	Multipoint RTD
Nickel wire RTD	RTD with Temperature Transmitter
Skin type RTD Assemblies	Bearing Temperature Measurement RTD
Room Temperature Measurement RTD	Retractable Telescopic RTD
Thermocouple
MI Thermocouples	MI Thickwall Thermocouples
MI Tube Skin Thermocouple Assemblies	Multipoint Thermocouple Assemblies
Special Thermocouple Assemblies

Established under technical collaboration with M/s. Gauges Bourdon Ltd. – UK / France, Temperature Gauges, Temperature Elements & Thermowells are manufactured at our New Mumbai plant. Being a protector / pocket for Temperature gauge and temperature sensor, thermowell design and high quality is most essential for process safety and durability.

Thermowells are designed and manufactured confirming to ASTM PTC 19.3 and Wake frequency calculation is performed based on latest version 2010 to ensure the optimum suitable design of thermowell.

Types: Bar stock threaded, Type, Bar Stock Flanged, Bar stock weld-in type, fabricated threaded, fabricated flanged, fabricated weld-in, Sleeved / Lined (alloy material / PTFE / others) Solid Sintered Tungsten carbide thermowells, silicon carbide protecting thermowell, Vanstone type (shell design) thermowells, etc.

Material: Manufactured from forged bar stocks / Pipes, thermowells are available in Carbon Steel (A105), SS304, SS304L, SS310, SS316, SS316L, SS446, SS410, SS317, SS317L, SS321, Monel, Hastelloy, Inconel, Incolloy, Titanium, Tantalum, Nickel, Kanthal, Kanthal APM, etc.

Offered with threaded and flanged process connections with BLRF, SORF, RTJ, flanges ranging from line size ½” and above and flange rating 150# to 2500# as well as API, JIS, BS, etc. standards.

Testing: Chemical Analysis, Dimensional, Hydro Test, Dye Penetration, Bore concentricity, Physical, Microstructure, Post Weld H/T, NACE Compliance, Radiography, Ultrasonic, IGC various practices, IBR, PMI, etc. Approved WPS / PQR for various raw materials and welder and NDE qualification available . Regular Inspection and testing by BV, DNV, TUV, Lloyds, ABS, Moody, EIL, CEIL, etc.

Certificates: Certificate of conformance, Test certificate, Material test certificates, 3.1 MTC, 3.2 MTC, Hydrotest reports, in-house special testing and third party testing certifications, as applicable are provided.

Bar Stock Threaded Thermowell	Bar Stock Weld In Thermowell
Bar Stock Flanged Thermowell	Fabricated Weld In Thermowell
Fabricated Threaded Thermowell	Fabricated Flanged Thermowell
Vanstone Thermowells	Sleeved (Lined) Thermowells
TW Material selection Guide

Manufactured at New Mumbai plant, General offers float operated level switches with single or multiple floats (heavy wall floats for critical applications), uniquely customized based on pressure, temperature, density, viscosity, media / process applications.

Available in various float Materials – SS304, SS304L, SS316, SS316L, Monel, Titanium, Inconel 600, Hastelloy, others on request.

Based on process parameters, various models and combination of design suitable from cryogenic applications to high pressure and high temperature available.

Type: Side mounted type level switch, top mounted Side mounted type level switch, single float and multiple float, external chamber level switch, displacer type level switch and flow switch

Material: SS304, SS316, SS304L, SS316L, Monel, Titanium, Inconel 600, Hastelloy C, PTFE, PP, others on request.

Options: 1 SPDT / 2 SPDT Micro switch or reed switch and weatherproof to IP-65, Ex-Proof to group IIA , IIB, IIC

Testing: PMI, Hydro test, Helium Leak Test, Radiography, IBR Testing, Calibration, NACE, PWHT,

Certifications: CE, GOST R, IBR, latest IP rated, SIL 2 for transmitters, etc.

Direct Insert Type Level Switches	External Chamber Type Level Switches
Multiport Level Top Mounted Level Switches	Displacer TYPE Level Switches
Flow Switches

General offers Averaging Pitot Tube which is multiport self-averaging flow meter comprising of outer impact tube, internal averaging tube, low pressure chamber and head.

Based on process parameters and application – Liquid, Gas and steam flow measurement – Averaging Pitot tubes are designed with unique profile shapes for high flow rate turn down, dual averaging for better accuracy, repeatability of measurement +/-1% and short upstream and downstream straight pipe lengths.

Types

Averaging Pitot Tube with End Support

Averaging Pitot Tube without End Support

Averaging Pitot Tube with Gear Drive Mechanism

Material

Sensor / Sensor flange: SS304, SS316, SS304L, SS316L, Hatelloy C, Monel, others can be designed on request.

Tubes: SS304, SS316, SS304L, SS316L, Hatelloy C, Monel, others can be designed on request.

Weld Couple: SS304, SS316, SS304L, SS316L, Hatelloy C, Monel, CS, others can be designed on request.

Ball valve / Needle Valve: 1.1/2”, 3” , 4” , 6” size with rating 150#, 300#, 600#, 900#, 1500#, 2500#

Averaging Pitot Tube size: ½” to 156”

Sensor size: 25.4 mm, 57.3 mm, 85 mm.

End Support: A105, SS304, SS316, SS304L, SS316L, Hatelloy C, Monel, etc. with flanged ends, screwed, welded type

HART Protocol based on transmitter, single or multivariable transmitter available with mounting accessories

Mounting hardware with transmitter: manifold valve and nipples with various MOC as per Sensor.

Testing: PMI, Hydrotest, Radiography, Flow Calibration, NACE, PWHT, IBR, Oxygen cleaning,   Dye penetration test, Magentic Partical Test, HIC test, IGC various practices, etc

Certifications: CE, GOST R, IBR, etc.

Averaging Pitot Tube

Venturi is designed in accordance with international standard ISO 5167. Forged flanges offered based on international standards ANSI, ASME, DIN, JIS, BS, API, etc.

Venturi Types

Classical Venturi tubes :   (A) Machined (B) rough welded sheet-iron

• Classical Venturi tube with a machined convergent section

This is a classical Venturi tube fabricated as in which the convergent section is machined as are the throat and the entrance cylinder.

These classical Venturi tubes can be used in pipes of diameter between 50 mm and 250 mm and with diameter ratios β between 0,4 and 0,75 inclusive.

• Classical Venturi tube with a rough-welded sheet-iron convergent section

This is a classical Venturi tube normally fabricated by welding

These classical Venturi tubes can be used in pipes of diameter between 200 mm and 1 200 mm and with diameter ratios β between 0, 4 and 0, 7 inclusive.

Venturi Material: carbon steel, SS304, SS316, SS304L, SS316L as standard. Hastelloy C, Monel, Inconel

End connection Type: (A) Buttweld (B) Flanged

Stud / Nuts: ASTM A193 Gr. B7 / A-194 Gr. 2H as standard, other material on request.

Jack Screw: ASTM A 193 Gr. B7 as standard, other material on request.

Testing: PMI, Hydrotest, Radiography, Flow Calibration, NACE, PWHT, IBR, Oxygen cleaning,   Dye penetration test, Magentic Partical Test, HIC test, IGC various practices, etc

Certifications: CE, GOST R, IBR, etc.

Flow nozzles are designed in accordance with international standard ISO 5167. Forged flanges offered based on international standards ANSI, ASME, DIN, JIS, BS, API, etc.

Flow Nozzle Types

1) The ISA 1932 nozzle

The part of the nozzle inside the pipe is circular. The nozzle consists of a convergent section, of rounded profile, and a cylindrical throat.

This type of nozzle shall only be used in accordance with this part of ISO 5167 when 50 mm ≤ D ≤ 500 mm & 0, 3 ≤ β ≤ 0, 8.

2) The long radius nozzle

There are two types of long radius nozzle, which are called

1) high-ratio nozzles (0, 25 u β u 0, 8), and

2) low-ratio nozzles (0, 20 u β u 0, 5).

The long radius nozzles shall only be used in accordance with this part of ISO 5167 when 50 mm ≤ D ≤ 630 mm

0, 2 ≤ β ≤ 0, 8

Nozzle Material: carbon steel, SS304, SS316, SS304L, SS316L as standard. Hastelloy C, Monel, Inconel

End connection Type: (A) Buttweld (B) Flanged

Stud / Nuts: ASTM A193 Gr. B7 / A-194 Gr. 2H as standard, other material on request.

Jack Screw: ASTM A 193 Gr. B7 as standard, other material on request.

Testing: PMI, Hydrotest, Radiography, Flow Calibration, NACE, PWHT, IBR, Oxygen cleaning,   Dye penetration test, Magentic Partical Test, HIC test, IGC various practices, etc

Certifications: CE, GOST R, IBR, etc.

Flow Straighteners and Flow Conditioners
General instruments manufactures flow conditioners and flow straighteners for flow meter, process and pump system applications which reduces straight run requirement to just a few diameters. It eliminates the flow distortion effects of elbow, pipe expansion or reductions, valves, dampeners and other disrupters .

Suitable for various medias including Gas, Steam, Liquids, Slurries, Sludges, Hydrocarbons and more.

General flow conditioners have extremely low pressure drop, resulting in significant energy cost savings.

General flow straighteners / conditioners are available in straight pipe runs, a unique 90 degree elbow and insertion panel designs for virtually any pipe, tube or duct size.

Flow straighteners

Flanged ends : A105, SS304, SS316, SS304L, SS316L, LF2, other on request.

Pipe chamber holding the bundle of tubes : A106, Mild Steel, SS304, SS316, SS304L, SS316L, LF2, PP, PTFE and other on request

Tube Bundle : A106, Mild Steel, SS304, SS316, SS304L, SS316L, LF2, PP, PTFE, Monel and other on request

Dimensions : Based on selection of tube thickness and no. of tubes within the pipe size on free length availability

Flow Conditioners

Flanged ends : A105, SS304, SS316, SS304L, SS316L, LF2, PP, PTFE, other on request.

Dimensions : Based on selection of tube thickness and no. of tubes within the pipe size on free length availability

No. of holes : on selection and sizing with dimensions as per engineering calculation

Condensate Pot
General Instruments manufacture complete range of condensate pots required for measurement of steam / vapor which condensate to liquid state at the ambient temperature.

These are used to cool down very high temperature liquids and to maintain a constant liquid head above the instrument. These can be installed in both horizontal and vertical position.

Manufactured in standard sizes of 2”, 3” and 4” however based on client requirement other sizes can be designed. Condensate pots are available in various grades of Carbon steel, alloy steel and stainless steel.

IBR form IIIC certification available.

Flow Straighteners & Flow Conditioner

Designed and manufactured based on ASTM / DIN / BS and other relevant standards depending on the client requirements.

Material:
Manufactured from forged Stainless Steel – ASTM A 479, ASTM A182 F304, ASTM A182 F316, ASTM A182 F304, ASTM A182 F304L, Carbon Steel – ASTM A 105, Monel, Inconel, Hastelloy, Titanium, other on request. Material with NACE compliance is available.

The gland sealing arrangements used in General Manifolds vary with the temperature requirement. The most common is PTFE for temperature upto 180 Deg C however for temperature above 180 Deg C to 270 Deg C graphitized asbestos is a common gland seal. Beyond 270 Deg C and upto 540 Deg C, graphoil can be offered.

Test / Certificates : Certificate of conformance, Test certificate, Material test certificates, 3.1 MTC, 3.2 MTC, PMI, NACE-MR-01-75 & NACE-MR-0103, Hydrotest, etc. available.

Types:

Separately mounted manifolds (Pipe to Pipe)
Direct Mounted “T” Type manifolds (Pipe to Flange)
Direct Mounted “H” Type manifolds (Flange to Flange)
Co-Planar Manifolds

Two Valve Manifold (3-Way) – G2VM1	Two Valve Manifold – G2VMPF1
Two Valve Manifold – G2VM2	Two valve Manifold – G2VMPTM1

Designed and manufactured based on ASTM / DIN / BS and other relevant standards depending on the client requirements.

Material:
Manufactured from forged Stainless Steel – ASTM A 479, ASTM A182 F304, ASTM A182 F316, ASTM A182 F304, ASTM A182 F304L, Carbon Steel – ASTM A 105, Monel, Inconel, Hastelloy, Titanium, other on request. Material with NACE compliance is available.

The gland sealing arrangements used in General Manifolds vary with the temperature requirement. The most common is PTFE for temperature upto 180 Deg C however for temperature above 180 Deg C to 270 Deg C graphitized asbestos is a common gland seal. Beyond 270 Deg C and upto 540 Deg C, graphoil can be offered.

Test / Certificates : Certificate of conformance, Test certificate, Material test certificates, 3.1 MTC, 3.2 MTC, PMI, NACE-MR-01-75 & NACE-MR-0103, Hydrotest, etc. available.

Types:

Separately mounted manifolds (Pipe to Pipe)
Direct Mounted “T” Type manifolds (Pipe to Flange)
Direct Mounted “H” Type manifolds (Flange to Flange)
Co-Planar Manifolds

Three Valve Manifold (Separately Mounted) – G3VMPP1	Three Valve Manifold, Direct Mounting – G3VMPF2
Three Valve Manifold, Direct Mounting – T Type With Vent Plugs – G3VMPF1	Three Valve Manifold, Direct Mounting – H Type – G3VMFF1
Coplanar Mounting Three Valve Manifold With Drain Plugs – G3VMC1

Designed and manufactured based on ASTM / DIN / BS and other relevant standards depending on the client requirements.

Material:
Manufactured from forged Stainless Steel – ASTM A 479, ASTM A182 F304, ASTM A182 F316, ASTM A182 F304, ASTM A182 F304L, Carbon Steel – ASTM A 105, Monel, Inconel, Hastelloy, Titanium, other on request. Material with NACE compliance is available.

The gland sealing arrangements used in General Manifolds vary with the temperature requirement. The most common is PTFE for temperature upto 180 Deg C however for temperature above 180 Deg C to 270 Deg C graphitized asbestos is a common gland seal. Beyond 270 Deg C and upto 540 Deg C, graphoil can be offered.

Test / Certificates : Certificate of conformance, Test certificate, Material test certificates, 3.1 MTC, 3.2 MTC, PMI, NACE-MR-01-75 & NACE-MR-0103, Hydrotest, etc. available.

Types:

Remote mounted manifolds
Direct Mounted “T” Type manifolds (Pipe to Flange)
Direct Mounted “H” Type manifolds (Flange to Flange)
Co-Planar Manifolds

Five Valve Manifold, Remote Mounted Type – G5VMPP1	Five Valve Manifold, Direct Mounting – T Type – G5VMPF1
Five Valve Manifold, Direct Mounting – G5VMPF2	Five Valve Manifold, Direct Mounting – H Type – G5VMFF1
Coplanar Mounting Five Valve Manifold (G5 VMC1)	Coplanar Mounting Five Valve Manifold (G5 VMC2)