Should I use a Y-strainer or a basket strainer for pipeline protection in Saudi Arabia process plants?

The choice between a Y-strainer and a basket strainer depends on particulate loading, acceptable pressure drop, cleaning frequency, and line size. Y-strainers are compact and suited to clean or moderately contaminated pipelines where infrequent cleaning is acceptable and low initial cost is important. They have a smaller screen area than basket strainers and higher pressure drop at equivalent mesh, so they are best suited for DN15–DN200 lines with relatively clean process fluids — instrument isolation lines, steam traps, pump suction lines on relatively clean cooling water. Basket (pot) strainers have a much larger filtration area than Y-strainers, resulting in lower pressure drop across the screen and longer intervals between cleaning. They are preferred for lines with higher particulate loading, viscous fluids, and for protecting pumps and meters from debris — fuel oil supply lines, seawater cooling, and condensate return systems in Saudi Aramco and SABIC refineries. For DN200 and above, basket strainers are almost always the better choice. For both types, screen mesh (20–800 micron) must be selected based on the particle size that must be excluded to protect downstream equipment such as pumps, control valves, and meters. Gulf Union Ozone stocks both types in carbon steel and SS 316 from Jeddah, in ANSI 150# through 600# flanged ratings, for same-day dispatch.

How do I size and specify a duplex strainer for continuous service without shutdown in Saudi Aramco pipelines?

Duplex (twin basket) strainers are specified where the pipeline must remain in continuous service while one basket is being cleaned — mandatory for many Saudi Aramco and SABIC plant services where process shutdown for cleaning is not permitted. The duplex strainer consists of two parallel basket chambers connected by a divert valve (typically a multi-port plug valve or ball valve) that allows flow to be switched from the fouled basket to the clean basket without interrupting service. Sizing requires determining: (1) maximum flow rate and fluid properties (density, viscosity, temperature); (2) acceptable clean pressure drop across the strainer — typically 0.05–0.15 bar for liquid service; (3) dirt holding capacity before basket requires cleaning — based on particulate loading; (4) screen mesh size — 250–800 micron for most process services, 40–100 micron for instrument protection. The strainer body must be specified to ASME B16.34 and the flanges to ASME B16.5 ANSI 150# or 300# as required by the pipeline rating. Gulf Union Ozone supplies duplex basket strainers in carbon steel (ASTM A216 WCB), SS 316 (CF8M), and duplex stainless steel in DN25–DN600, ANSI 150# and 300# flanged, for Saudi Aramco and SABIC pipeline applications from Jeddah warehouse.

What are the requirements for startup strainers and temporary cone strainers for new plant commissioning in KSA?

Temporary startup strainers (also called conical startup strainers, witches-hat strainers, or commissioning strainers) are installed in pipelines upstream of pumps, compressors, turbines, and control valves during initial commissioning to protect equipment from weld slag, mill scale, rust, and construction debris that will be present in a new pipeline system during hydrotest and initial operation. The conical screen design provides high filtration area within the pipe bore — typically 3–4 times the pipe cross-sectional area — with low pressure drop in the clean condition. Startup strainers are typically 60–80 mesh (200–250 micron) stainless steel perforated sheet with a woven wire backing, designed to collapse (not burst) when clogged to protect the downstream equipment from a sudden surge of debris. They are installed at flanged joints using the existing gasket location; the cone points upstream. Differential pressure is monitored across the strainer, and when pressure drop reaches 0.3–0.5 bar the strainer is removed, cleaned, and reinstalled. After a defined commissioning period — typically 24–72 hours of clean operation — the startup strainer is removed and a permanent strainer or blank gasket installed. Gulf Union Ozone stocks conical startup strainers in SS 316 mesh for all standard pipe sizes DN25–DN600 and ANSI 150# through 600# for immediate delivery to KSA commissioning sites from Jeddah.

Strainers & Separators Saudi Arabia

Strainers & Separators Categories

Product Types in Stock

Gulf Union Ozone carries six core categories of strainers and separators for Saudi Arabia oil and gas, petrochemical, water treatment, and general industrial pipeline protection. All items ASME B16.34 or API 6D compliant and supplied with material test certificates and hydrostatic test certificates.

Type 01

Y-Strainers

Y-strainers in screwed (NPT/BSP), flanged (ANSI 150# through 600#), and butt-weld end connections. Body materials: carbon steel ASTM A216 WCB, stainless steel CF8M (SS 316), and bronze. Sizes DN15 to DN300. Perforated or woven wire mesh screens — mesh 20 to 200 (800 micron to 75 micron). Drilled and tapped blowoff port for flushing under pressure. Applications include liquid pipelines (water, oil, chemicals), steam service, and instrument supply lines. For Saudi Arabia water systems, oil and gas production lines, desalination plant brine circuits, and utility plant services. Supplied with body material certificates and hydrostatic test certification per ASME B16.34.

Type 02

Basket (Pot) Strainers

Single basket strainers with bolted cover or quick-release swing bolt cover for easy basket removal. Body materials: carbon steel and SS 316. ANSI 150# and ANSI 300# flanged. Sizes DN25 to DN600. Large screen area relative to pipe bore — significantly lower pressure drop than Y-strainers at equivalent flow. Replaceable stainless steel basket inserts in 20 mesh to 800 micron. Vent and drain connections standard. Applications include cooling water, fuel oil, condensate return, seawater intake, and fire water lines. Widely supplied to Saudi Arabia refineries, petrochemical plants, and utilities for pump and control valve protection.

Type 03

Duplex (Twin) Basket Strainers

Two parallel basket strainer chambers connected by a multi-port divert valve — allows one basket to be taken offline for cleaning while the other remains in service, maintaining continuous uninterrupted flow. Carbon steel and SS 316 construction. ANSI 150# and ANSI 300# flanged. Sizes DN25 to DN600. Used on critical Saudi Aramco and SABIC pipeline services where process shutdown for strainer cleaning is not permitted — crude oil lines, product pipelines, fuel gas supply, and cooling water. The divert valve (plug type or multi-port ball valve) is easily operated by one person. Supplied complete with divert valve, two basket inserts, and vent and drain connections.

Type 04

Steam & Gas Separators

Cyclone (centrifugal) steam-water separators for removing entrained water droplets from saturated steam lines — efficiency >99% at design velocity. Moisture separator eliminators for steam lines upstream of steam turbines, steam traps, and process steam users. Mesh-pad mist eliminators for removing entrained liquid from gas streams — widely used in gas scrubbers, flash vessels, and knockout drums. Vertical and horizontal vessel configurations. Carbon steel and SS 316. Design per ASME Section VIII Div. 1. For steam boiler systems, steam turbine inlet protection, and gas processing in Saudi Arabia power plants, refineries, and industrial facilities.

Type 05

Startup & Suction Strainers

Conical startup strainers (witches-hat type) for temporary installation in pipeline flanges during commissioning — high filtration area in compact cone geometry to capture weld slag, mill scale, and construction debris from new pipelines. Available in 60 mesh and 80 mesh (200–250 micron) SS 316 woven wire for all standard flange sizes DN25–DN600, ANSI 150# through 600#. Flat plate startup strainers for lower pressure ratings. Suction strainers for direct pump suction installation in sumps and tanks. For Saudi Arabia new plant startups, pipeline hydrotest and commissioning operations across SABIC and Saudi Aramco project sites.

Type 06

Air-Oil & Coalescing Separators

Air-oil separators for compressed air systems — remove oil aerosols and mist from compressor discharge air to residual oil content <0.01 ppm (0.01 mg/m³) for instrument air, food-grade air, and pharmaceutical plant air systems. Coalescing filter elements in borosilicate glass fibre and microfibre for liquid aerosol removal. Liquid-liquid coalescers for separating water from hydrocarbons (fuel oil/water, crude oil/water separation) using glass fibre coalescing media. Pre-filter and after-filter separator stages. For Saudi Arabia oil-free compressed air systems in food, pharmaceutical, electronics, and instrument air applications, and for fuel quality control in refineries.

Product Catalog

Complete Strainers & Separators Range — 25+ Products

All strainers and separators supplied with material test certificates, hydrostatic test certificates, and ASME or API compliance documentation. ISO 9001:2015 QMS (CR 4030570569). Representative stock lines — contact us for specific sizes and project requirements.

Strainer / Separator Type	Size Range	Pressure Class	Material	Mesh / Micron	Application
Y-Strainer — Screwed (NPT/BSP)	DN15–DN50	Class 800 / Class 1500	Carbon steel, SS 316, bronze	20–100 mesh (150–800 µm)	Instrument lines, utility connections, small-bore liquid and steam lines
Y-Strainer — Flanged ANSI 150# (Carbon Steel)	DN25–DN300	ANSI 150# (PN 20)	ASTM A216 WCB	20–200 mesh (75–800 µm)	Water, oil, and general liquid pipelines — low-pressure plant service
Y-Strainer — Flanged ANSI 300# (Carbon Steel)	DN25–DN200	ANSI 300# (PN 50)	ASTM A216 WCB	40–100 mesh (150–400 µm)	Medium-pressure process plant, boiler feed water, gas service
Y-Strainer — Flanged ANSI 600# (Carbon Steel)	DN25–DN150	ANSI 600# (PN 100)	ASTM A216 WCB	40–80 mesh (180–400 µm)	High-pressure oil and gas pipeline service, refinery process lines
Y-Strainer — Flanged ANSI 150# (SS 316 CF8M)	DN25–DN200	ANSI 150# (PN 20)	CF8M (SS 316 cast)	40–200 mesh (75–400 µm)	Chemical, seawater, desalination brine, and corrosive fluid pipelines
Y-Strainer — Butt-Weld Ends (Carbon Steel)	DN25–DN150	Schedule 40 / 80 BW	ASTM A216 WCB	40–100 mesh	Welded process pipework where flanges are not permitted or desired
Basket Strainer — Single, ANSI 150# (Carbon Steel)	DN25–DN600	ANSI 150# (PN 20)	ASTM A216 WCB	20–800 µm (woven wire basket)	Cooling water, fuel oil, condensate, and fire water lines — pump protection
Basket Strainer — Single, ANSI 300# (Carbon Steel)	DN25–DN400	ANSI 300# (PN 50)	ASTM A216 WCB	40–500 µm	Medium-pressure liquid lines — boiler feed, chemical injection upstream
Basket Strainer — Single, ANSI 150# (SS 316)	DN25–DN300	ANSI 150# (PN 20)	CF8M (SS 316)	40–800 µm	Chemical process, seawater, desalination, and aggressive fluid pipelines
Basket Strainer — Quick-Release Cover, ANSI 150#	DN50–DN300	ANSI 150#	ASTM A216 WCB / CF8M	100–400 µm	Frequent cleaning duty — swing-bolt cover for rapid basket access
Duplex Basket Strainer — ANSI 150# (Carbon Steel)	DN50–DN600	ANSI 150# (PN 20)	ASTM A216 WCB	100–500 µm	Continuous service — Saudi Aramco crude oil and product pipeline protection
Duplex Basket Strainer — ANSI 300# (Carbon Steel)	DN25–DN300	ANSI 300# (PN 50)	ASTM A216 WCB	100–400 µm	Continuous service on high-pressure process lines — SABIC plant protection
Duplex Basket Strainer — ANSI 150# (SS 316)	DN25–DN300	ANSI 150#	CF8M (SS 316)	100–500 µm	Continuous service in chemical and seawater plant without shutdown
Replacement Basket Screen — SS 316 (Various Mesh)	DN25–DN600 (matched to strainer)	—	SS 316 perforated and woven wire	20 mesh to 800 µm	Replacement basket inserts for existing basket and duplex strainers
Cyclone Steam Separator — Vertical (Carbon Steel)	DN50–DN300	ASME 150# / 300#	Carbon steel ASTM A106 Gr. B	Centrifugal (no screen)	Saturated steam moisture removal upstream of turbines and steam traps
Moisture Separator Eliminator — Steam Line	DN50–DN400	ASME 150# / 300#	Carbon steel with SS demister pad	SS mesh pad (100 µm equiv.)	Steam turbine inlet moisture protection and heat exchanger steam supply
Mesh-Pad Mist Eliminator — Vessel Internal	Custom to vessel diameter	Per vessel rating	SS 316 knitted wire mesh pad	150–300 mm pad depth	Gas scrubber, flash vessel, and knockout drum mist removal
Conical Startup Strainer (Witches-Hat) — 60 Mesh	DN25–DN600 (all flange sizes)	ANSI 150# to ANSI 600#	SS 316 woven wire and perf. backing	60 mesh (250 µm)	New pipeline commissioning — weld slag and mill scale capture
Conical Startup Strainer (Witches-Hat) — 80 Mesh	DN25–DN600	ANSI 150# to ANSI 600#	SS 316 woven wire	80 mesh (180 µm)	Fine debris capture for pump and control valve protection during start-up
Flat Plate Startup Strainer — Perforated SS 316	DN25–DN300	ANSI 150# / 300#	SS 316 perforated plate	1.5mm / 3.0mm perforations	Low-pressure commissioning strainer for water and utility services
Pump Suction Strainer — Bell-Mouth Type	DN50–DN300	Low-pressure (sump/tank suction)	SS 316 perforated basket and flared inlet	3–6mm perforations	Open-tank pump suction protection — water tanks, chemical sumps in KSA
Air-Oil Separator — Compressed Air (Coalescing Element)	1/2" to 4" NPT inlet	Up to 16 bar (g)	Aluminium bowl, borosilicate glass fibre element	<0.01 ppm oil residual	Instrument air, food-grade air, and oil-free compressed air systems
Liquid-Liquid Coalescer — Water-from-Hydrocarbon	DN50–DN200 (vessel size)	ASME 150# / 300#	Carbon steel or SS 316 vessel, glass fibre coalescing elements	Removal to <15 ppm	Water removal from fuel oil, crude oil dehydration, refinery product finishing
Sand Trap (Desanding Cyclone) — Inline	DN25–DN150	ANSI 150# / 300#	Carbon steel / SS 316	Centrifugal (particles >74 µm)	Sand and solids removal from wellhead and produced water streams in KSA
Self-Cleaning Strainer — Motorised Backwash	DN50–DN300	ANSI 150# / 300#	Carbon steel / SS 316	100–500 µm	Continuous self-cleaning duty — cooling water, irrigation, and water injection

Why Us

Why Industrial Buyers in Saudi Arabia Choose Gulf Union Ozone for Strainers & Separators

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Local Stock — Same-Day Dispatch

Full strainer and separator range stocked in Jeddah — Y-strainers, basket strainers, duplex strainers, startup strainers, steam separators, and coalescing separators dispatched same-day to all KSA regions. No delays on urgent plant requirements.

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ASME & API Documentation Ready

Every strainer ships with ASME B16.34 compliance documents, material test certificates (MTRs), hydrostatic test certificates, and dimensional inspection reports — required for Saudi Aramco and SABIC pipeline system material approvals.

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ISO 9001:2015 Certified Quality

Gulf Union Ozone is ISO 9001:2015 certified (CR 4030570569), Jeddah, Saudi Arabia — providing full lot traceability and quality management system assurance for procurement teams on every strainer and separator order.

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Nationwide KSA Delivery

Delivery to all Saudi Arabia regions — Jubail, Yanbu, Dammam, Riyadh, Jizan, Ras Tanura, and beyond. Startup strainer kits for commissioning projects and bulk spare basket stock for operating plants both fulfilled from Jeddah warehouse.

Strainers & Separators Supplier Saudi Arabia — Y-Strainers, Basket Strainers & Cyclone Separators In Stock

Product Types in Stock

Y-Strainers

Basket (Pot) Strainers

Duplex (Twin) Basket Strainers

Steam & Gas Separators

Startup & Suction Strainers

Air-Oil & Coalescing Separators

Complete Strainers & Separators Range — 25+ Products

Why Industrial Buyers in Saudi Arabia Choose Gulf Union Ozone for Strainers & Separators

Local Stock — Same-Day Dispatch

ASME & API Documentation Ready

ISO 9001:2015 Certified Quality

Nationwide KSA Delivery

Also Stocked at Gulf Union Ozone

Industrial Filters

Flow Meters & Level Instruments

Control Valves & Actuators

Industrial Pumps & Compressors

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