Is the 90° BSP Interlock Elbow, Carbon Steel Connector compatible with hoses 4SH, R13, and R15 and suitable for continuous high-pressure use?

Yes. The 90° BSP Interlock Elbow, Carbon Steel Connector is engineered for use with hose types 4SH, R13, and R15 and is suitable for continuous high‑pressure applications. Made from durable carbon steel with a protective galvanization finish, it features an internal BSP thread, a 60° cone with integrated O‑ring, and interlock technology to ensure a secure, leak‑free seal and enhanced stability under extreme pressures. Its corrosion and wear resistance make it appropriate for demanding industries such as construction, mining, and heavy machinery.

Does the 90° BSP Interlock Elbow, Carbon Steel Connector require periodic O-ring replacement to maintain leak-free performance in heavy-duty applications?

The 90° BSP Interlock Elbow, Carbon Steel Connector uses an integrated 60° cone with an O-ring to provide a precise, leak-free seal. In heavy-duty hydraulic applications this O-ring functions as a primary sealing element under high pressure and dynamic conditions. While the robust design, interlock technology, carbon steel construction and galvanised finish minimize wear and help maintain sealing integrity, periodic inspection and maintenance of the O-ring is recommended to ensure continued leak-free performance—especially in severe service (high pressure cycles, abrasive fluids, extreme temperatures, or heavy vibration). Replace the O-ring if you observe wear, cuts, flattening, hardening, chemical swelling, or any sign of leakage. Follow the manufacturer’s maintenance intervals and use compatible replacement O-rings (material grade suitable for your fluid and temperature) to preserve reliability in construction, mining and other heavy machinery applications.

90° BSP Interlock Elbow, Carbon Steel Connector

All products, Fittings for high-pressure hoses/

Additional information

Material	CS – steel (cast iron)

The 90° INTERLOCK angular fitting with internal BSP thread and a 60° cone with integrated O-ring is a highly reliable solution designed for demanding hydraulic applications. Engineered for use with hose types 4SH, R13, and R15, it ensures secure connections and long-lasting performance even under extreme pressure conditions. Manufactured from durable carbon steel and finished with a protective galvanization layer, the fitting offers excellent resistance to corrosion and mechanical wear, extending the service life of hydraulic systems. Its precise design guarantees a tight, leak-free seal, while the interlock technology enhances safety and stability in high-pressure environments. This fitting is an ideal choice for industries requiring maximum efficiency and durability, such as construction, mining, and heavy machinery, where reliability and performance are crucial.

List of product variants

Article number	Product variant name	Nominal inner diameter	Working pressure [bar]
TI-ILBW210-12-12	End. 90° INTERLOCK GW 3/4" BSP, hose 3/4", o-ring	20	-
TI-ILBW210-16-16	End. 90° INTERLOCK G1" BSP, hose 1", o-ring	25	-
TI-ILBW210-20-20	End. 90° INTERLOCK GW 1.1/4" BSP, hose 1.1/4", o-ring	32	-
TI-ILBW210-24-24	End. 90° INTERLOCK GW 1.1/2" BSP, hose 1.1/2", o-ring	38	-
TI-ILBW210-32-32	End. 90° INTERLOCK GW 2" BSP, hose 2", o-ring	50	-

The 90° INTERLOCK angular fitting with internal BSP thread and a 60° cone with integrated O-ring is a highly reliable solution designed for demanding hydraulic applications. Engineered for use with hose types 4SH, R13, and R15, it ensures secure connections and long-lasting performance even under extreme pressure conditions. Manufactured from durable carbon steel and finished with a protective galvanization layer, the fitting offers excellent resistance to corrosion and mechanical wear, extending the service life of hydraulic systems. Its precise design guarantees a tight, leak-free seal, while the interlock technology enhances safety and stability in high-pressure environments. This fitting is an ideal choice for industries requiring maximum efficiency and durability, such as construction, mining, and heavy machinery, where reliability and performance are crucial.