Gulf Union Ozone stocks a comprehensive range of expansion joints for industrial piping systems across Saudi Arabia. Our inventory covers rubber bellows expansion joints (flanged PN10/PN16/PN25 and threaded BSP/NPT) in EPDM, NBR, NR, and neoprene; metal bellows expansion joints in SS316L and Inconel 625 to BS EN 14917 and EJMA standards; virgin PTFE expansion joints for corrosive chemical service; woven fabric expansion joints for high-temperature ducting and flue gas applications to 1000°C; and special configurations including tied, hinged, gimbal, and pressure-balanced assemblies. DN25 to DN2000. ISO 9001:2015 certified (CR 4030570569). Same-day dispatch from our Jeddah warehouse.

Gulf Union Ozone carries six expansion joint product families to EJMA, BS EN 14917, EN 13445, and ASME B31.3 standards, with manufacturer documentation and pressure test certificates for every shipment.
Single-arch and multi-arch natural rubber (NR), EPDM, NBR, or neoprene bellows expansion joints with PN10/PN16/PN25 drilled steel or SS316 flanges, to BS EN 14917 and EJMA standards. DN25–DN600, working pressure to 16 bar, temperature -20°C to +120°C. Axial, lateral, and angular movement. Used in chiller water systems, cooling tower piping, pump inlet/outlet connections, and HVAC piping across Saudi Arabia.
BSP and NPT threaded rubber expansion joints for smaller-bore piping where flanged connections are impractical. NR, EPDM, or NBR bellows, DN15–DN100, working pressure to 10 bar. Quick-install threaded brass or SS316 end connections. Used in building services, pump connections, and water treatment plant piping in Saudi Arabia.
Stainless steel SS316L austenitic bellows per BS EN 14917 and EJMA standards. Single/double bellows with control rods, limit rods, or hinges. DN25–DN2000, working pressure to 25 bar, temperature -200°C to +600°C. Axial movement, lateral offset, and angular rotation capability. Used in refineries, petrochemical plants, power stations, and cryogenic service in Saudi Arabia. Inconel 625 bellows available for high-temperature or corrosive service.
Virgin PTFE bellows for highly corrosive chemical service — HF acid, chlorine, oleum, and aggressive solvents. DN25–DN600, PN10–PN16, temperature -100°C to +200°C. PTFE bellows with carbon steel or SS316 backing flanges. Full-face PTFE liner to isolate flange face. EJMA design. Used in Saudi Arabia chemical plants, chlor-alkali facilities, and fertiliser plants where rubber or metal would be attacked.
Woven fibreglass, silica, ceramic fibre, or PTFE-coated fabric joints for high-temperature ducting and flue gas service. Temperature to 1000°C (ceramic fibre), pressure ±250 mm WG (±2500 Pa), dimensional movement in all three axes. Rectangular and circular cross-sections. Stainless steel or mild steel retaining flanges. Used in gas turbine exhaust ducts, boiler flue gas systems, and cement plant conveyors in Saudi Arabia.
Special-configuration metal bellows joints with control hardware: single-plane hinged (moment-absorbing), gimbal (two-plane), tied universal (pure lateral movement), or pressure-balanced configurations. Designed per EJMA using piping stress-analysis inputs. DN50–DN1200. Used where pipe anchors must be eliminated and movements controlled — common in Saudi Arabia petrochemical plant pipe rack designs.
All expansion joints supplied with manufacturer documentation. Pressure test certificates and EN 10204 3.1 material certs available on request. ISO 9001:2015 QMS (CR 4030570569).
| Grade / Type | Size / Range | Standard | Material | Application |
|---|---|---|---|---|
| Rubber Flanged EJ — EPDM, Single-Arch, PN16 | DN25–DN300 | EJMA / BS EN 14917 | EPDM bellows; carbon steel PN16 flanges | Chiller water, cooling tower piping, HVAC pump connections |
| Rubber Flanged EJ — EPDM, Multi-Arch, PN16 | DN350–DN600 | EJMA / BS EN 14917 | EPDM multi-arch bellows; steel PN16 flanges | Large-bore HVAC ducts, chilled water mains, pump isolation |
| Rubber Flanged EJ — NBR (Oil-Resistant), PN16 | DN25–DN300 | EJMA / BS EN 14917 | NBR bellows; carbon steel PN16 flanges | Oil-contaminated water, fuel piping, lube oil system connections |
| Rubber Flanged EJ — NR (Natural Rubber), PN10 | DN25–DN300 | EJMA / BS EN 14917 | Natural rubber bellows; carbon steel PN10 flanges | Water treatment, general service piping, pump vibration isolation |
| Rubber Flanged EJ — Neoprene, PN10 | DN25–DN300 | EJMA / BS EN 14917 | Neoprene bellows; carbon steel PN10 flanges | Marine service, seawater cooling, moderate oil-resistance applications |
| Rubber Flanged EJ — EPDM, High-Pressure PN25 | DN25–DN200 | EJMA / BS EN 14917 | EPDM bellows; carbon steel PN25 flanges | High-pressure chilled water, fire suppression pump connections |
| Rubber Flanged EJ — EPDM, SS316 Flanges, PN16 | DN25–DN300 | EJMA / BS EN 14917 | EPDM bellows; SS316 PN16 flanges | Corrosive-atmosphere plant rooms, coastal facilities, desalination |
| Rubber Flanged EJ — NBR, SS316 Flanges, PN16 | DN25–DN200 | EJMA / BS EN 14917 | NBR bellows; SS316 PN16 flanges | Offshore platform service lines, oil-resistant corrosive environments |
| Rubber Threaded EJ — BSP, NR/EPDM | DN15–DN50 (1/2"–2" BSP) | EJMA | NR or EPDM bellows; brass BSP threaded ends | Building services pump connections, domestic water, HVAC fan coil units |
| Rubber Threaded EJ — NPT, NR/EPDM | DN15–DN50 (1/2"–2" NPT) | EJMA | NR or EPDM bellows; brass NPT threaded ends | American-standard piping systems, process plant instrument connections |
| Rubber Threaded EJ — BSP, NBR, SS316 Ends | DN15–DN100 | EJMA | NBR bellows; SS316 threaded end connectors | Water treatment plant pumps, chemical dosing systems, small-bore oil lines |
| Metal Bellows EJ — SS316L, Single, PN16 | DN25–DN300 | BS EN 14917 / EJMA | SS316L bellows; carbon steel or SS316 flanges | Refineries, chemical plants, steam piping, general industrial process lines |
| Metal Bellows EJ — SS316L, Single, PN25 | DN350–DN600 | BS EN 14917 / EJMA | SS316L bellows; carbon steel PN25 flanges | High-pressure large-bore process piping, petrochemical plant headers |
| Metal Bellows EJ — SS316L, Double Bellows | DN25–DN300 | BS EN 14917 / EJMA | SS316L double bellows with intermediate pipe spool | High lateral movement absorption, pipe rack connections, compressor piping |
| Metal Bellows EJ — SS316L, with Limit Rods | DN25–DN600 | BS EN 14917 / EJMA | SS316L bellows; carbon steel limit rod assemblies | Over-extension protection during pressure testing and operation |
| Metal Bellows EJ — Inconel 625, High-Temperature | DN25–DN300 | EJMA / EN 13445 | Inconel 625 bellows; alloy steel flanges | Reformers, pyrolysis furnaces, high-temp gas lines above 600°C in KSA |
| Metal Bellows EJ — SS316L, Large-Bore | DN600–DN2000 | BS EN 14917 / EJMA | SS316L bellows; carbon steel or SS316 flanges | Power station exhaust ducts, large process gas headers, seawater intake lines |
| Metal Bellows EJ — SS316L, Cryogenic Service | DN25–DN400 | EJMA / ASME B31.3 | SS316L bellows; low-temp rated carbon steel flanges, cryogenic tested | LNG, liquid nitrogen, liquid oxygen, cryogenic process piping in Saudi Arabia |
| PTFE EJ — Virgin PTFE Bellows, PN10, Small-Bore | DN25–DN150 | EJMA | Virgin PTFE bellows; carbon steel backing flanges, PTFE face liner | HF acid lines, chlorine piping, pharmaceutical reactors in Saudi Arabia |
| PTFE EJ — Virgin PTFE Bellows, PN16, Medium-Bore | DN150–DN300 | EJMA | Virgin PTFE bellows; SS316 backing flanges, full-face PTFE liner | Chlor-alkali plants, oleum transfer lines, fertiliser plant piping |
| PTFE EJ — Virgin PTFE Bellows, PN10, Large-Bore | DN350–DN600 | EJMA | Virgin PTFE bellows; SS316 backing flanges, PTFE face liner | Large-bore corrosive chemical headers, solvent and acid transfer mains |
| Fabric EJ — Fibreglass/Silicone-Coated, Rectangular | Custom rectangular cross-section; temp to 260°C | EJMA | Silicone-coated woven fibreglass; MS or SS retaining flanges | Gas turbine inlet ducts, air handling units, gas compressor outlet ducts |
| Fabric EJ — Silica Fibre, Circular, High-Temperature | Circular DN200–DN3000; temp to 800°C | EJMA | Woven silica fibre fabric; SS304 retaining flanges | Boiler flue gas ducts, waste heat recovery systems, gas turbine exhausts |
| Fabric EJ — Ceramic Fibre, Very High-Temperature | Circular or rectangular; temp to 1000°C | EJMA | Ceramic fibre blanket and woven fabric; alloy steel flanges | Cement kilns, furnace hot gas ducts, incinerator exhaust in Saudi Arabia |
| Fabric EJ — PTFE-Coated Glass, Corrosive Gas Service | Circular or rectangular; temp to 230°C | EJMA | PTFE-coated woven glass fabric; SS316 retaining flanges | Corrosive flue gas ducts — sulphuric acid plants, FGD systems, chemical plant |
| Tied Universal EJ — SS316L, Pure Lateral | DN50–DN600 | EJMA | SS316L double bellows; carbon steel tie rods and end flanges | Pure lateral movement absorption where axial movement must be restrained |
| Hinged EJ — SS316L, Single-Plane | DN50–DN800 | EJMA | SS316L bellows; alloy steel hinge hardware and flanges | Single-plane angular movement — eliminates pressure thrust, used in pipe rack three-anchor systems |
| Gimbal EJ — SS316L, Two-Plane Angular | DN50–DN1200 | EJMA | SS316L bellows; alloy steel gimbal ring and pin hardware | Two-plane angular movement — petrochemical pipe racks, power plant expansion loops |
Rubber flanged and threaded expansion joints in common sizes ready for same-day dispatch from our Jeddah warehouse — critical for urgent pump connection or shutdown maintenance across Saudi Arabia.
Manufacturer DU sheets, pressure test certificates, and EN 10204 3.1 material certs on request. Full traceability for every expansion joint shipment.
Gulf Union Ozone is ISO 9001:2015 certified (CR 4030570569), Jeddah, Saudi Arabia — our QMS governs incoming inspection and traceability on all expansion joint stock.
Delivery to Jubail, Yanbu, Riyadh, Dammam, Jazan and all Saudi regions — same-day dispatch for urgent plant shutdowns and maintenance windows.
Flexible hose assemblies in rubber, PTFE, and stainless steel for piping system connections and fluid transfer in Saudi Arabia process plants.
Pipe clamps, pipe shoes, spring hangers, and structural pipe supports for piping systems in Saudi Arabia industrial facilities.
Corrugated stainless steel flexible metal hoses with braided outer sheath for high-temperature and high-pressure piping connections in Saudi Arabia.
Hex bolts, stud bolts, nuts, washers, and flange fasteners for expansion joint installation and piping flange connections across KSA.
Gulf Union Ozone supplies expansion joints to EJMA (Expansion Joint Manufacturers Association), BS EN 14917 (metal bellows), EN 13445, and ASME B31.3 standards. Our range covers rubber bellows expansion joints — flanged PN10/PN16/PN25 and threaded BSP/NPT — in NR, EPDM, NBR, and neoprene for HVAC, water treatment, and general piping; metal bellows expansion joints in SS316L and Inconel 625 for process piping and petrochemical service; virgin PTFE expansion joints for highly corrosive chemical media; woven fabric expansion joints in fibreglass, silica, ceramic fibre, and PTFE-coated fabric for high-temperature ducting up to 1000°C; and special-configuration assemblies including tied universal, hinged single-plane, gimbal two-plane, and pressure-balanced joints designed per EJMA. Common rubber sizes are stocked in Jeddah for same-day dispatch. Contact us on WhatsApp 966550988062 with your pipe size, pressure rating, temperature, and media for a fast quotation.
Yes. Gulf Union Ozone supplies metal bellows expansion joints in SS316L austenitic stainless steel to BS EN 14917 and EJMA standards, in sizes DN25 to DN2000, working pressure to 25 bar, temperature range -200°C to +600°C. For temperatures above 600°C or for highly corrosive service such as HF alkylation units and high-temperature reformers, Inconel 625 bellows are available. Available configurations include single bellows, double bellows, bellows with limit rods, bellows with control rods, hinged single-plane (for moment absorption), gimbal two-plane, tied universal (pure lateral movement), and pressure-balanced designs. All joints are designed per EJMA and supplied with pressure test certificates and EN 10204 3.1 material certs on request. We regularly supply to refineries, petrochemical plants, and power stations across Jubail, Yanbu, Ras Tanura, and Dammam.
Yes. Gulf Union Ozone supplies virgin PTFE bellows expansion joints for highly corrosive chemical service involving HF acid, chlorine, oleum, concentrated sulphuric acid, aggressive solvents, and other media that would attack rubber or metal bellows. PTFE joints are available in sizes DN25 to DN600, rated PN10 to PN16, for temperatures from -100°C to +200°C. The design uses virgin PTFE bellows with carbon steel or SS316L backing flanges and a full-face PTFE liner to completely isolate the flange face from the process medium. Joints are designed per EJMA and are used in Saudi Arabia chemical plants, chlor-alkali facilities, fertiliser plants, and pharmaceutical process piping. Contact us on WhatsApp 966550988062 with your pipe size, pressure rating, media, and temperature for a quotation.
To get a fast quotation, provide: joint type (rubber/metal/PTFE/fabric), pipe size (DN or NPS), pressure rating (PN or ANSI class), temperature, media, flange standard (PN10/16/25 or ANSI 150/300), movement required (axial mm, lateral mm, angular degrees), and delivery location in Saudi Arabia.
Recent Deliveries
CR 4030570569 | ISO 9001:2015 | Jeddah, Saudi Arabia — Saudi Aramco vendor compliance · SAEP-347 credentials
Technical content reviewed by Gulf Union Ozone’s Engineering Team, Jeddah — 2026
Inventory updated: August 2026
Gulf Union Ozone Trading Co. supplies Expansion Joints to industrial customers across Saudi Arabia with delivery from our Jeddah warehouse — all products ship with original Mill Test Certificates and Certificates of Conformance.
Expansion Joints from Gulf Union Ozone serves Saudi Aramco SAEP-347 projects, SABIC, SADARA, SEC utilities, NEOM mega-projects, and industrial facilities across the Kingdom — our inventory covers the most common material grades and pressure ratings.
Gulf Union Ozone stocks a wide range of Expansion Joints including various grades, sizes, and pressure classes — contact us on WhatsApp for immediate availability confirmation and a quotation with full MTC documentation.
For urgent Expansion Joints procurement in Saudi Arabia, WhatsApp +966 55 098 8062 — our procurement team confirms stock availability within the hour and provides competitive quotations with full compliance documentation for Aramco, SABIC, SEC, and government projects.