# Nisan Scientific Process Equipments > Nisan Scientific Process Equipments (P) Ltd was founded in 1984 and manufactures at Rabale, Navi Mumbai. Industrial strainers and level instruments for oil and gas, power, refining and defence. Independent tests on this site: NSTL shock qualification, peak 269 g, 270 g and 270 g; CWPRS pressure-drop test, 0.0183 kg/cm² at 493 m³/hr. Signed vendor approvals from EIL, HPCL, Toyo, thyssenkrupp, PDIL, GRSE, HSL and five BHEL units. ## About - [Facility](https://nisanprocess.in/facility/): 8,700 sq ft works at MIDC TTC Industrial Area, Rabale, Navi Mumbai. 40 km from JNPT seaport · 25 km from Mumbai airport. - [Materials](https://nisanprocess.in/materials/): Fabrication, casting and forging grades listed as an area of expertise. Holding a grade is not a qualification certificate. - [Approvals](https://nisanprocess.in/approvals/): Signed vendor letters and certificates you can download, plus names on the company profile. ## Products - [Y Type Strainer](https://nisanprocess.in/product/y-type-strainer/): Y-strainers remove small volumes of solids from liquid, gas or steam applications - [T Type Strainer](https://nisanprocess.in/product/t-type-strainer/): Tee strainers suit horizontal or vertical downward-flow piping - [Basket Strainers](https://nisanprocess.in/product/basket-strainer/): Basket Type Strainers are usually installed in a vertical cylinder - [Duplex Strainer](https://nisanprocess.in/product/duplex-strainer/): Duplex strainers support continuous operation by diverting flow through another strainer when one becomes blocked - [Conical Strainer](https://nisanprocess.in/product/conical-strainer/): Conical or temporary strainers mount between two flanges to protect pipelines and plants - [Self Cleaning Strainers](https://nisanprocess.in/product/self-cleaning-strainers/): Self-cleaning strainers reduce product loss, require minimal operator intervention and improve flow consistency. - [Suction Diffusers](https://nisanprocess.in/product/suction-diffusers/): A suction diffuser combines an elbow and built-in strainer with flow straightening at the pump suction inlet. - [Filter Element](https://nisanprocess.in/product/filter-element/): NISAN designs and manufactures filter elements for all types of industrial strainers, including customized - [Sight Glasses](https://nisanprocess.in/product/sight-glasses/): The page describes flapper, rotary wheel, ball, and bull eye and drip tube sight glass flow indicators. - [Reflex Level Gauge](https://nisanprocess.in/product/reflex-level-gauge/): Reflex Liquid Level Gauges provide direct observation of tank or vessel liquid levels using grooved R-form sight - [Transparent Level Gauge](https://nisanprocess.in/product/transparent-level-gauge/): Transparent Liquid Level Gauges allow direct observation of tank or vessel liquid levels by distinguishing the - [Tubular Level Gauge](https://nisanprocess.in/product/tubular-level-gauge/): The tubular level gauge provides direct liquid level readings for low pressure up to 25 bar - [Magnetic Level Gauge](https://nisanprocess.in/product/magnetic-level-gauge/): Nisan Magnetic Level Gauges monitor and indicate fluid levels, especially for corrosive, toxic - [Float and Board Level Gauge](https://nisanprocess.in/product/float-and-board-level-gauge/): The Float & Board Type Tank Level gauge measures levels in large non-pressurized liquid storage tanks or vessels - [Instrument Chambers](https://nisanprocess.in/product/instrument-chambers/): NISAN Instrument chambers are fabricated vessels mounted on the side of storage vessels to allow instruments to be - [Level Switches](https://nisanprocess.in/product/level-switches/): NISAN direct insert or direct mounted level switches use a float, counterbalance - [Allied Instrumentation](https://nisanprocess.in/product/allied-instrumentation/): Nisan offers a range of instrument hardware for instrumentation services. - [Special Fabrication](https://nisanprocess.in/product/fabrication/): NISAN offers pipe spools, piping skids, stainless steel process tanks - [Defence](https://nisanprocess.in/product/defence-tools/): NISAN manufactures rocket motor and exploder tubes, mechanical enclosures, heavy structures ## Evidence - [Evidence](https://nisanprocess.in/evidence/): Named nuclear and naval supply references, plus the two government laboratory reports. - [Naval shock qualification](https://nisanprocess.in/docs/Shock-Test-Certificate.pdf): NSTL shock test (BR 3021, Curve ‘A’, peak 269 g/270 g/270 g, 3.3 ms, half-sine, damage None, Sea suction strainer, 10" (250 NB), 170 kg). - [Pressure-drop test, gas-turbine plant duty](https://nisanprocess.in/docs/Pressure-Drop-test.pdf): CWPRS pressure drop (Basket strainer, 18" (450 mm), 150#, 40 mesh / 38 SWG, 0.0183 kg/cm² at 493 m³/hr, 0.0165 kg/cm²). ## Approvals and certificates - [ISO 9001:2015](https://nisanprocess.in/docs/ISO-9001-2015-2025.pdf): Quality management, TUV Austria - [ISO 14001:2015](https://nisanprocess.in/docs/ISO-14001-2015-2026.pdf): Environmental management, TUV Austria - [ISO 45001:2018](https://nisanprocess.in/docs/ISO-45001-2018-2026.pdf): Occupational health and safety, TUV Austria - [IRS](https://nisanprocess.in/docs/IRS-2026.pdf): Indian Register of Shipping - [IP68](https://nisanprocess.in/docs/Magnetic-Level-Gauge-IP68.pdf): Magnetic level gauge ingress protection - [EIL, Engineers India Limited](https://nisanprocess.in/docs/EIL-Enlishment-Letter.pdf): EPC / PMC. Enlistment letter. - [Toyo, Toyo Engineering](https://nisanprocess.in/docs/Toyo.pdf): EPC / PMC. Vendor approval. - [thyssenkrupp, thyssenkrupp Industrial Solutions](https://nisanprocess.in/docs/thyssenkrupp.pdf): EPC / PMC. Vendor approval. - [PDIL, Projects & Development India](https://nisanprocess.in/docs/PDIL.pdf): EPC / PMC. Vendor approval. - [HPCL, Hindustan Petroleum](https://nisanprocess.in/approvals/): Refining. Image on the approvals page, no PDF on this site. Strainers. - [GRSE, Garden Reach Shipbuilders](https://nisanprocess.in/docs/GRSE.pdf): Naval. Vendor approval. - [HSL, Hindustan Shipyard](https://nisanprocess.in/docs/HSL.pdf): Naval. Vendor approval. - [OFA, Ordnance Factory](https://nisanprocess.in/docs/OFA.pdf): Defence. Vendor approval. - [IBR, Indian Boiler Regulations](https://nisanprocess.in/docs/IBR.pdf): Statutory. Enlisted 1989, level gauges, pipe fabrication, special glass 125 kg/cm². - [BHEL, Bharat Heavy Electricals, Trichy](https://nisanprocess.in/docs/BHEL-truchy.pdf): Power. Unit approval. - [BHEL, Bharat Heavy Electricals, Chennai](https://nisanprocess.in/docs/BHEL-Chennai.pdf): Power. Unit approval. - [BHEL, Bharat Heavy Electricals, Hyderabad](https://nisanprocess.in/docs/BHEL-Hyderabad.pdf): Power. Unit approval. - [BHEL, Bharat Heavy Electricals, Noida](https://nisanprocess.in/docs/BHEL-Noida.pdf): Power. Unit approval. - [BHEL, Bharat Heavy Electricals, Visakhapatnam](https://nisanprocess.in/docs/BHEL-Visakhapatnam.pdf): Power. Unit approval. ## Tools - [Strainer sizing tool](https://nisanprocess.in/selector/): Indicative strainer selection and pressure-drop estimate. Engineering confirms it. - [Augmented reality](https://nisanprocess.in/ar/): Place a strainer at full size in the room on a phone. Nothing to install. - [Full text](https://nisanprocess.in/llms-full.txt): The public site as one markdown file, generated from the same data as the pages. ## Contact - [Email](https://nisanprocess.in/contact/): sales@nisanprocess.com - [Telephone](https://nisanprocess.in/contact/): +91 98338 44128 - [Unit I](https://nisanprocess.in/facility/): Unit I: R-587/1, TTC Industrial Area, MIDC Rabale - [Unit II](https://nisanprocess.in/facility/): Unit II: R-465, TTC Industrial Area, MIDC Rabale. Navi Mumbai 400 701, Maharashtra, India ## Optional - [Privacy notice](https://nisanprocess.in/privacy/): How conversation notes are stored when you talk to the assistant. - [Offline](https://nisanprocess.in/offline/): Cached pages when there is no connection.