Product Overview
Hydraulic Transition Adapter is a connection component used to join hydraulic ports, hoses, and fittings with different thread standards, sizes, or sealing methods. It enables reliable fluid transfer in construction machinery, agricultural equipment, industrial hydraulic systems, and mobile hydraulic applications.
Product Features
High Pressure Capability
Designed for operating pressures up to 420 bar (6,000 PSI), suitable for hydraulic circuits used in construction, agricultural, and industrial equipment.
Corrosion Resistance
Zinc-nickel plated versions achieve 720+ hours neutral salt spray resistance (ASTM B117), providing greater protection than conventional zinc-plated fittings.
Wide Temperature Range
Suitable for operating temperatures from -40°C to +120°C, allowing use in both cold-weather outdoor equipment and high-temperature hydraulic systems.
Secure Thread Connection
Manufactured to ISO, SAE, DIN, and JIS thread specifications, helping ensure proper thread engagement and reducing installation issues caused by dimensional deviations.
Manufacturing & Quality Control
Threads and sealing surfaces are machined on CNC turning centers to ensure dimensional consistency throughout production.
GO/NO-GO gauges are used to verify thread dimensions against applicable ISO, SAE, DIN, and JIS specifications.
Coating thickness and appearance are checked during plating processes to ensure corrosion-resistance performance.
All threaded sections undergo deburring after machining to improve assembly quality and reduce thread damage during installation.
100% visual inspection is performed on threads, sealing surfaces, plating condition, and identification markings before shipment.
Connection & Sealing Options
| Category | Available Options |
| Thread Standards | BSPP, BSPT, NPT, JIC 37°, SAE O-Ring Boss, ORFS, Metric |
| Body Configurations | Straight, Elbow, Tee, Cross, Reducer |
| Connection Types | Male × Male, Male × Female, Female × Female |
| Sealing Methods | O-Ring Face Seal, 24° Cone, 37° Flare, 60° Cone Seat, Bonded Seal |
| Thread Size Range | 1/8"–2" and Metric equivalents (custom sizes available) |
FAQ
Q: How do I select the correct transition adapter?
A: Thread type, thread size, sealing method, operating pressure, and installation space should all be verified before selection.
Q: Can adapters connect BSP threads to NPT threads?
A: Yes. Hydraulic transition adapters are commonly manufactured for BSP-to-NPT, Metric-to-JIC, ORFS-to-SAE, and other thread conversions.
Q: Are stainless steel adapters available?
A: Yes. 304 and 316 stainless steel options are commonly supplied for corrosive or washdown environments.
Q: Is pressure testing performed before shipment?
A: Pressure testing and dimensional inspections can be conducted according to customer requirements and applicable hydraulic fitting standards.
Q: Can custom thread combinations be manufactured?
A: Yes. Custom thread standards, special dimensions, and application-specific sealing configurations can be produced from engineering drawings or samples.
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