BSP One-Piece Hydraulic Hose Fittings Manufacturer in China

Explore TOPA BSP one-piece hydraulic hose fittings in straight, 45°, and 90° configurations. Compare available models or send your hose specification, BSP thread type, fitting angle, and quantity for model confirmation.

Hot Products

Explore the BSP one-piece hydraulic hose fittings currently available from TOPA. Each model should be checked against the required BSP connection, fitting angle, hose specification, and installation conditions.

Topa BSP One-piece Hydraulic Fittings

This video shows the detailed design and connection features of BSP one-piece hydraulic fittings in different angles. Topa supplies straight, 45-degree, and 90-degree BSP one-piece fittings in a wide range of thread and hose sizes.

Watch the video to compare the available fitting angles and product details. For model selection, pricing, or size confirmation, please send us your hose specifications, thread type, and required quantity.

Confirm the BSP Connection Before Ordering

Before selecting a BSP one-piece hydraulic hose fitting, confirm whether the thread is parallel or tapered, identify the actual sealing surface, and check the complete male and female connection structure. Relying only on the measured thread diameter may lead to incorrect model selection, assembly interference, leakage, or damage to the mating port.

BSPP and BSPT threads belong to the BSP thread family, but they use different thread forms and are not automatically interchangeable. BSPP uses a parallel thread, meaning the thread diameter remains substantially constant along the threaded section. BSPT uses a tapered thread, meaning the thread diameter changes gradually along its length.

The nominal thread size identifies only part of the connection. It does not explain how the fitting creates a seal. BSP connections may use different sealing structures even when the thread size appears identical. Depending on the fitting and port design, sealing may occur at:

A bonded seal under a male fitting shoulder
A cone or angled seat inside the connection
A flat sealing face
An O-ring
A tapered thread interface
A separate adapter or sealing component

Describing a fitting only as “BSP male” or “BSP female” still leaves several important details unresolved. A BSP connection may be:
Male or female
Fixed or swivel
Straight, 45°, or 90°
Parallel or tapered
Directly connected to a port
Connected through an adapter

Hose Compatibility and Crimping Confirmation

A BSP one-piece fitting must be matched with the correct hose construction, hose inner diameter, fitting series, ferrule structure, and crimping specification. The same dash size does not guarantee compatibility with every hose brand or hose construction. Before production, TOPA recommends confirming the complete hose-and-fitting combination rather than using a crimp diameter from another fitting or hose series.

Hose standard

Hose inner diameter

Hose outer diameter

Reinforcement structure

Hose brand or layline

Fitting series

Ferrule type

How to Select a BSP One-Piece Hose Fitting

Selecting a BSP one-piece hydraulic hose fitting requires more than matching a thread diameter or choosing a fitting that looks similar to the original part. The complete connection structure, thread form, sealing method, hose specification, fitting angle, fitting series, and crimping condition should be confirmed together.

Identify the End Connection

Start by identifying the complete end connection rather than describing the product only as a “BSP fitting.”

Confirm the Thread Size

After identifying the connection type, confirm the thread diameter and pitch.

Confirm the Hose Specification

The hose side of the fitting must be matched to the actual hose, not only to the BSP connection.

Select the Fitting Angle

Select the fitting angle according to the hose-routing direction, equipment layout, installation space, and required connection orientation.

Confirm the Fitting Series

The BSP end connection identifies only one side of the product. The hose-side fitting series must also be confirmed.

Verify Before Bulk Order

When changing suppliers, replacing an existing fitting, introducing a new hose brand, complete sample verification before bulk production.

Inspection for BSP One-Piece Fittings

Each hydraulic fitting is produced through a controlled manufacturing process to ensure reliable performance, precise dimensions, and consistent quality.

Thread Inspection

Thread inspection confirms that the BSP connection has the correct thread form, pitch, dimensions, and usable surface condition.

Dimensional Inspection

Dimensional inspection checks the critical measurements that affect connection matching, sealing, hose insertion, and installation.

Material Verification

Material verification confirms that the fitting material meets the drawing, order, or agreed technical requirements.

Surface and Appearance Inspection

Surface inspection checks the coating, finish, cleanliness, and visible condition of the fitting before packaging.

Assembly and Performance Verification

Assembly verification checks whether the fitting, hose, ferrule, and crimping condition work together as an approved combination.

Traceability and Final Identification

Traceability inspection confirms that the delivered products can be linked to the correct model, order, production batch, inspection record, and packaging label.

OEM, Packaging, and Supply Support

Product Customization

Custom dimensions, connection combinations, materials, or surface treatments can be reviewed based on drawings, samples, quantities, and application requirements.

Marking and Private Label

Product marking, customer part numbers, logo requirements, and package labels can be confirmed before production.

Packaging Options

Packaging may include individual bags, labeled cartons, customer SKU labels, batch information, and other agreed identification requirements.

Repeat Supply

Approved samples, drawings, part numbers, and packaging records can be used as the reference for repeat orders and batch comparison.

FAQ

What is a BSP one-piece hydraulic hose fitting?

A BSP one-piece hydraulic hose fitting combines the hose insert and ferrule into an integrated fitting structure. The connection end uses a BSP configuration, while the hose side must match the correct hose specification, fitting series, and crimping requirement.

What is the difference between BSPP and BSPT fittings?

BSPP uses a parallel thread, while BSPT uses a tapered thread. They may also use different sealing methods, so they should not be selected only by comparing the nominal thread size or outside diameter.

Are BSPP and BSPT one-piece fittings interchangeable?

No. BSPP and BSPT threads have different profiles and sealing arrangements. Even when the nominal size appears similar, the fitting may not engage, install, or seal correctly with the mating port.

How do I identify the correct BSP one-piece fitting?

Confirm the male or female structure, swivel or fixed design, BSPP or BSPT thread, thread diameter, thread pitch, sealing seat, hose size, fitting angle, and fitting series. Clear photos, drawings, or an existing part number can also support identification.

Is the BSP thread size enough to confirm the fitting model?

No. The thread size does not confirm the sealing method, internal seat, male or female structure, angle, hose-side size, or fitting series. The complete connection and hose requirements must be checked together.

Can the same BSP one-piece fitting be used with different hose brands?

Not automatically. Hoses with the same dash size may have different outer diameters, reinforcement structures, cover thicknesses, and crimping requirements.

How should I choose between straight, 45°, and 90° fittings?

Select the angle according to the port position, available installation space, hose routing direction, minimum bend radius, and nearby interference. The correct angle should allow the hose to run naturally without excessive bending or side loading.

Can I use an existing crimp diameter for a new BSP fitting?

Do not reuse a crimp diameter without verification. Changes in hose brand, hose construction, fitting series, ferrule design, machine, or die set may require a different crimping specification.

BSP One-piece Hydraulic Fitting Catalog

Provide as much information as possible so TOPA can confirm the fitting model, review compatibility, and prepare an accurate quotation.