SKU: 18915135974

3/4 ISO-B Female O-Ring Boss Coupler

Sale price$14.07 Regular price$15.63
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Description

3/4 ISO-B Female O-Ring Boss CouplerThe 3 4" ISO B Female O Ring Boss Coupler, Steel is a highly durable hydraulic coupling designed for secure, leak resistant connections in fluid transfer systems. This coupler features an ISO B Female O Ring Boss (ORB) connection, which ensures a tight, reliable seal. The O ring seal is strategically designed to prevent fluid leakage and contamination, even under high pressure conditions. Made from high strength steel, this coupler offers exceptional

The 3/4" ISO-B Female O-Ring Boss Coupler, Steel is a highly durable hydraulic coupling designed for secure, leak-resistant connections in fluid transfer systems. This coupler features an ISO-B Female O-Ring Boss (ORB) connection, which ensures a tight, reliable seal. The O-ring seal is strategically designed to prevent fluid leakage and contamination, even under high-pressure conditions. Made from high-strength steel, this coupler offers exceptional durability, corrosion resistance, and long-term reliability, making it ideal for a wide range of hydraulic, pneumatic, and industrial fluid systems.

Poppet valves prevent uncoupled leakage, with critical parts induction-hardened for durability and a dependable ball-locking mechanism that secures the mating halves. The socket and plug are precision-machined from solid barstock and use standard nitrile seals rated from -40°F to 250°F.

Order now for fast shipping and professional-grade results.
Specification Value
TYPE Coupler
DESIGN O-Ring Seal Enhances sealing efficiency and prevents leakage and contamination, improving the overall safety and performance of the system
MATERIAL Steel offers superior strength and corrosion resistance
WEIGHT (LBS) 1.41
CONNECTION SIZE 1 3/8"
CONNECTION SIZE 2 3/8"
CONNECTION TYPE Coupler|FORB
CONNECTION TYPE 1 ISO-B Coupler
CONNECTION TYPE 2 Female O-Ring Boss
FITTING TYPE Coupling
MAXIMUM OPERATING PRESSURE  4000 psi
OPERATING TEMPERATURE -40 to 250 deg F
SERIES ISO-B
THREAD SIZE 9/16 - 18
APPLICATIONS Ideal for Hydraulic & Pneumatic Systems, Industrial Fluid Transfer, Construction & Agricultural Equipment, Automotive & Heavy Equipment, Oil & Gas
BRAND Midland Industries

 

Link to Midland Industries Catalog

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18915135974

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Reviewed in the United States on January 18, 2026
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David Goertzen
Port Orchard, US
★★★★★ 4
Order one size larger
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Reviewed in the United States on April 27, 2026
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★★★★★ 5
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★★★★★ 2
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