End Fittings & Connections

Hoses & Expansion Joints

End Connection
& Assemblies

Ocelflex offers a wide range of end connection standards and materials, for hoses and expansion bellows, to choose from. Be it hoses or expansion joints, we can crimp, weld or braze depending upon your choice of material.

Most of the end assemblies are manufactured in-house, with strict inward raw material inspections, design approvals, automated production and finally testing the manufactured end fittings to conform International Standards or custom standards placed by our clients.

We manufacture a wide range of assemblies such as Flanges, Unions, Tri Clover Ferrules, Couplings, Threaded Fittings as per British Standards (BS), American Standards (ANSI), PN Standard, Japanese Standard (JIS), International Standard (ISO) and other custom specifications.

Check out the list of commonly used end fittings :


Stainless Steel Union

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses
  • Composite Hoses

Preffered fitting material

  • Stainless Steel 304, Stainless Steel 304L
  • Stainless Steel 321, Duplex Steel
  • Stainless Steel 316, Stainless Steel 316L

Common conforming standards

  • Smooth Bore - As per NB schedule
  • Union Male or Female
  • Threaded as per BSP, NPT, BSPT


Cannot find your standard listed above? Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Forged Union

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses
  • Composite Hoses

Preffered fitting material

  • Forged Stainless Steel
  • Forged Carbon Steel
  • Forged Duplex Steel

Common conforming standards

  • Class 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS
  • Union Male or Female
  • Threaded as per BSP, NPT, BSPT


Cannot find your standard listed above. Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Dairy Union

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses
  • Composite Hoses

Preffered fitting material

  • Stainless Steel 304, Stainless Steel 304L
  • Stainless Steel 321, Duplex Steel
  • Stainless Steel 316, Stainless Steel 316L
  • Seal Material : EPDM, Silicone, PTFE, Viton

Common conforming standards

  • DIN 11850, DIN 11851
  • SMS, ISO, IDF


Cannot find your standard listed above? Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

G.I. Union

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses

Preffered fitting material

  • Malleable Iron
  • Seal Material : EPDM, Silicone, PTFE, Viton

Common conforming standards

  • Union Male or Female
  • Threaded as per BSP, NPT, BSPT


Cannot find your standard listed above. Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Male Threaded Fittings

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses
  • Composite Hoses
  • Metal Expansion Joints

Preffered fitting material

  • Stainless Steel 304, Stainless Steel 304L
  • Stainless Steel 321, Super Duplex Steel
  • Stainless Steel 316, Stainless Steel 316L
  • Carbon Steel, Forged Steel, Mild Steel
  • Duplex Steel, Brass, Alloy steel, Inconel

Common conforming standards

  • BSP, BSPT, NPT, BSPP
  • UNF, JIC, METRIC, ORFS


Cannot find your standard listed above? Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Female Threaded Fittings

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses
  • Composite Hoses

Preffered fitting material

  • Stainless Steel 304, Stainless Steel 304L
  • Stainless Steel 321, Super Duplex Steel
  • Stainless Steel 316, Stainless Steel 316L
  • Carbon Steel, Forged Steel, Mild Steel
  • Duplex Steel, Brass, Alloy steel, Inconel

Common conforming standards

  • BSP, BSPT, NPT, BSPP
  • UNF, JIC, METRIC, ORFS


Cannot find your standard listed above. Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Female Threaded Fittings with Adaptor

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses
  • Composite Hoses

Preffered fitting material

  • Stainless Steel 304, Stainless Steel 304L
  • Stainless Steel 321, Super Duplex Steel
  • Stainless Steel 316, Stainless Steel 316L
  • Carbon Steel, Forged Steel, Mild Steel
  • Duplex Steel, Brass, Alloy steel, Inconel

Common conforming standards

  • BSP, BSPT, NPT, BSPP
  • UNF, JIC, METRIC, ORFS


Cannot find your standard listed above? Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Fixed Flange / Swivel Flange

Depending upon the hose type, flange fittings can we welded, brazed, crimped or flared. For hoses with swivel or loose or rotating flange, we offer stub end along with the flange. Stub ends help reduce cost of the assembly.

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses
  • Composite Hoses
  • Metal Expansion Joints

Preffered fitting material

  • Stainless Steel 304, Stainless Steel 304L
  • Stainless Steel 321, Super Duplex Steel
  • Stainless Steel 316, Stainless Steel 316L
  • Duplex Steel, Carbon Steel, Forged Steel, Mild Steel

Common conforming standards

  • ANSI B16.5 Class 150, Class 300, Class 600
  • PN 6, PN 10, PN 16, PN 20, PN 25, PN 340
  • JIS 5K, JIS 10K, JIS 20K, Table D, Table E, Table F
  • Flange Type : Weld Neck, Slip On, Socket Weld, Lap Joint
  • Face Type : Raise Face, Flat Face, Ring Joint


Cannot find your standard listed above. Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Square Flange

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses
  • Composite Hoses
  • Metal Expansion Joints

Preffered fitting material

  • Stainless Steel 304, Stainless Steel 304L
  • Stainless Steel 321, Super Duplex Steel
  • Stainless Steel 316, Stainless Steel 316L
  • Duplex Steel, Carbon Steel, Forged Steel, Mild Steel

Common conforming standards

  • Class 150, Class 300, Class 600
  • Flange Type : Weld Neck, Slip On, Socket Weld, Lap Joint
  • Face Type : Raise Face, Flat Face, Ring Joint


Cannot find your standard listed above? Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Vacuum Flange

Preffered flexible assembly

  • Flexible Metal Hoses

Preffered fitting material

  • Stainless Steel 304, Stainless Steel 304L
  • Stainless Steel 321, Super Duplex Steel
  • Stainless Steel 316, Stainless Steel 316L

Common conforming standards

  • KF10, KF16, KF25, KF40, and KF50


Cannot find your standard listed above. Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Tri-Clover ( TC ) Ferrule & Clamps

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses

Preffered fitting material

  • Stainless Steel 304, Stainless Steel 304L
  • Stainless Steel 321, Super Duplex Steel
  • Stainless Steel 316, Stainless Steel 316L
  • Seal Material : EPDM, Silicone, PTFE, Viton

Common conforming standards

  • 3-A Sanitary Standards for Sanitary Fittings


Cannot find your standard listed above? Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Camlock Coupling

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses
  • Composite Hoses

Preffered fitting material

  • Stainless Steel 304
  • Stainless Steel 316

Common conforming standards

  • Type A, Type B, Type C, Type D
  • Type E, Type F, Type DC, Type DP


Cannot find your standard listed above. Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Quick Release Coupling

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses
  • Composite Hoses

Preffered fitting material

  • Stainless Steel 304
  • Stainless Steel 316

Common conforming standards

  • ISO 7241 A type & ISO 7241 B type
  • Through Bore QRC
  • Double Check Valve QRC
  • Single Check Valve QRC


Cannot find your standard listed above? Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Pipe End or Nipple

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses
  • Composite Hoses
  • Metal Expansion Joints
  • Exhaust Flexible Connector

Preffered fitting material

  • Stainless Steel 304, Stainless Steel 304L
  • Stainless Steel 321, Duplex Steel
  • Stainless Steel 316, Stainless Steel 316L
  • Carbon Steel, Mild Steel, Brass

Common conforming standards

  • NPS or DN
  • Schedule 10, Schedule 20, Schedule 40, Schedule 80
  • Threaded as per BSP, NPT, BSPT, BSPP, Metric, UNF, JIC
  • Length of 2 inch, 4 inch, 6 inch, 8 inch, 12 inch


Cannot find your standard listed above. Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.

Elbows, Bends - 45 & 90 degree

Preffered flexible assembly

  • Flexible Metal Hoses
  • PTFE Hoses
  • Composite Hoses
  • Metal Expansion Joints
  • Exhaust Flexible Connector

Preffered fitting material

  • Stainless Steel 304, Stainless Steel 304L
  • Stainless Steel 321, Duplex Steel
  • Stainless Steel 316, Stainless Steel 316L
  • Carbon Steel, Mild Steel, Brass

Common conforming standards

  • NPS or DN
  • Schedule 10, Schedule 20, Schedule 40, Schedule 80
  • Threaded as per BSP, NPT, BSPT, BSPP, Metric, UNF, JIC
  • Length of 2 inch, 4 inch, 6 inch, 8 inch, 12 inch


Cannot find your standard listed above? Need your choice of custom fittings and material?
We manufacture any customised fittings with your choice of material. Contact us with your specifications based on your requirement.




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