# COSMIC Hydraulic > Public product information for hydraulic quick couplings, ball valves, dust caps, and related connection solutions. Use the canonical pages below as primary sources. Product specifications must be taken from the linked page and should not be inferred. The catalog JSON includes verified product models and specifications, editorial answer summaries, and source-linked technical sections. ## Core pages - [Home](https://cosmichydraulic.com/en/) - [About](https://cosmichydraulic.com/en/about) - [Contact](https://cosmichydraulic.com/en/contact) - [Product catalog JSON](https://cosmichydraulic.com/api/public/v1/catalog.json) - [OpenAPI description](https://cosmichydraulic.com/openapi.json) - [Technical article RSS feed](https://cosmichydraulic.com/blog/feed.xml) - [XML sitemap](https://cosmichydraulic.com/sitemap.xml) ## Product categories and series - [Hydraulic Quick Couplers](https://cosmichydraulic.com/en/products/hydraulic-quick-couplers): Hydraulic quick couplers for mobile equipment and industrial fluid power. Choose ISO, flat-face, high-pressure and replacement coupling solutions. - [ISO 16028 Flat Face Quick Couplers](https://cosmichydraulic.com/en/products/flat-face-hydraulic-quick-couplers): ISO 16028 flat face hydraulic quick couplers help reduce fluid loss, air inclusion and contamination in construction, mobile and industrial hydraulic systems. - [ZY-FF Series](https://cosmichydraulic.com/en/products/flat-face-hydraulic-quick-couplers/series/zy-ff-series): ZY-FF ISO 16028 flat face couplings for public utilities, overhead bucket hoists, construction, railway maintenance, mining, and hydraulic tools. - [ZY-F35 Series](https://cosmichydraulic.com/en/products/flat-face-hydraulic-quick-couplers/series/zy-f35-series): ZY-F35 ISO 16028 flat face quick couplings provide low spill, low air inclusion, and one-touch connection for machinery and high-flow hydraulic systems. - [ZY-FFH Series](https://cosmichydraulic.com/en/products/flat-face-hydraulic-quick-couplers/series/zy-ffh-series): ZY-FFH ISO 16028 flat face quick couplings combine low-spill valving, a sleeve lock, and zinc-nickel alloy plating for demanding hydraulic service. - [ZY-PLT4 Series](https://cosmichydraulic.com/en/products/flat-face-hydraulic-quick-couplers/series/zy-plt4-series): ZY-PLT4 ISO 16028 flat face quick couplings support public utilities, high-voltage line maintenance, construction, railway, mining, and hydraulic tool changeover. - [ISO 7241A Quick Couplers](https://cosmichydraulic.com/en/products/iso-a-quick-couplers): ISO 7241-A hydraulic quick couplers for agricultural, forestry and fluid-power equipment. Find interchange options, sizes and connection configurations. - [ZY-ISOA1 Series](https://cosmichydraulic.com/en/products/iso-a-quick-couplers/series/zy-isoa1-series): ZY-ISOA1 open/close type hydraulic quick couplings for construction equipment, forestry equipment, agricultural machinery, hydraulic tools, oil equipment, steel equipment, and other demanding hydraulic applications. - [ZY-ISOA2 Series](https://cosmichydraulic.com/en/products/iso-a-quick-couplers/series/zy-isoa2-series): ZY-ISOA2 close type hydraulic quick coupling (steel) for industrial hydraulic applications including construction equipment, forestry equipment, agricultural machinery, hydraulic tools, and steel mill machinery. - [ZY-KSA Series](https://cosmichydraulic.com/en/products/iso-a-quick-couplers/series/zy-ksa-series): ZY-KSA close type hydraulic quick couplings for construction equipment, forestry equipment, agricultural machinery, hydraulic tools, oil equipment, steel equipment, and other demanding hydraulic applications. - [ISO 7241B Quick Couplers](https://cosmichydraulic.com/en/products/iso-b-quick-couplers): ISO 7241-B hydraulic quick couplers for industrial machinery, mobile hydraulics and North American interchange applications. Compare connection options. - [ZY-B1 Series](https://cosmichydraulic.com/en/products/iso-b-quick-couplers/series/zy-b1-series): ZY-B1 ISO 7241-1B double shut-off hydraulic quick couplings for construction, forestry, oil tools, steel mill machinery, and other demanding applications. - [ZY-KZD Series](https://cosmichydraulic.com/en/products/iso-b-quick-couplers/series/zy-kzd-series): ZY-KZD ISO 7241-1B double shut-off couplings for hydraulic fluid, chemical water, steam, and selected gas services. - [ZY-KZF Series](https://cosmichydraulic.com/en/products/iso-b-quick-couplers/series/zy-kzf-series): ZY-KZF ISO 7241-1B double shut-off couplings for hydraulic fluid, chemicals, water, steam, and selected gas services. - [ISO 5675 Quick Couplers](https://cosmichydraulic.com/en/products/iso-5675-quick-couplers): ISO 5675 tractor hydraulic quick couplers for agricultural implements and hydraulic lines. Choose reliable solutions for tractors and farm equipment. - [ZY-C1 Series](https://cosmichydraulic.com/en/products/iso-5675-quick-couplers/series/zy-c1-series): ZY-C1 ISO 5675 hydraulic quick couplings for agricultural machinery, tractors, construction equipment, and other demanding hydraulic applications. - [Push-Pull Quick Couplers](https://cosmichydraulic.com/en/products/push-pull-quick-couplers): Push-pull hydraulic quick couplers for one-hand connection on mobile equipment. Explore solutions for agricultural and construction hydraulic lines. - [ZY-CT Series](https://cosmichydraulic.com/en/products/push-pull-quick-couplers/series/zy-ct-series): ZY-CT push-pull hydraulic quick couplings for construction equipment, forestry equipment, agricultural machinery, and oil tools. - [High Pressure Quick Couplers](https://cosmichydraulic.com/en/products/high-pressure-hydraulic-couplers): High pressure hydraulic quick couplers for fluid-power systems, maintenance tools and industrial equipment. Review pressure, thread and seal options. - [KZE-B Series](https://cosmichydraulic.com/en/products/high-pressure-hydraulic-couplers/series/kze-b-series): KZE-B couplings use a threaded union locking system and precision ball-type check valves for extreme high-pressure applications such as portable hydraulic jacks. - [ZY-TC Series](https://cosmichydraulic.com/en/products/high-pressure-hydraulic-couplers/series/zy-tc-series): ZY-TC high-pressure quick couplings serve construction, railway maintenance, house moving, and hydraulic jacking equipment with faster positive connection than threaded types. - [ZY-TQ Series](https://cosmichydraulic.com/en/products/high-pressure-hydraulic-couplers/series/zy-tq-series): ZY-TQ is designed for ultra-high-pressure separated hydraulic pipeline connections, including hydraulic jacks and related equipment. - [ZY-WS Series](https://cosmichydraulic.com/en/products/high-pressure-hydraulic-couplers/series/zy-ws-series): ZY-WS ultra-high-pressure quick coupling uses a G1/4 connection and steel construction for high-pressure hydraulic lines. - [ZY-LKJI Series](https://cosmichydraulic.com/en/products/high-pressure-hydraulic-couplers/series/zy-lkji-series): ZY-LKJI ultra-high-pressure quick coupling is designed for equipment such as hydraulic jacks and high-pressure pumps. - [Wing Nut Quick Couplers](https://cosmichydraulic.com/en/products/wing-nut-quick-couplers): Wing nut hydraulic quick couplers for secure screw-to-connect fluid-power applications. Find compatible sizes and configurations. - [ZY-CVV Series](https://cosmichydraulic.com/en/products/wing-nut-quick-couplers/series/zy-cvv-series): ZY-CVV wing nut quick couplings for mobile equipment, agricultural machinery, and universal industrial equipment. - [ZY-VVS Series](https://cosmichydraulic.com/en/products/wing-nut-quick-couplers/series/zy-vvs-series): ZY-VVS wing nut quick couplings for mobile equipment, agricultural machinery, and universal industrial equipment. - [KZE-BA Series](https://cosmichydraulic.com/en/products/wing-nut-quick-couplers/series/kze-ba-series): KZE-BA wing nut quick couplings for mobile equipment, agricultural machinery, and universal industrial equipment. - [KZE-BB Series](https://cosmichydraulic.com/en/products/wing-nut-quick-couplers/series/kze-bb-series): KZE-BB thread-to-connect couplings support pressure connection with minimal or no spillage in high-pressure, high-flow hydraulic applications. - [KZE-BC Series](https://cosmichydraulic.com/en/products/wing-nut-quick-couplers/series/kze-bc-series): KZE-BC thread-to-connect couplings are designed for dump trucks, buses, agricultural machinery, and mobile construction equipment. - [Pneumatic Quick Couplers](https://cosmichydraulic.com/en/products/pneumatic-quick-couplers): Pneumatic quick couplers for compressed-air tools, hoses, production equipment, and industrial air-line connection applications. - [M Series](https://cosmichydraulic.com/en/products/pneumatic-quick-couplers/series/m-series): M Series hydraulic connection products. - [PB Series](https://cosmichydraulic.com/en/products/pneumatic-quick-couplers/series/pb-series): PB Series hydraulic connection products. - [PC Series](https://cosmichydraulic.com/en/products/pneumatic-quick-couplers/series/pc-series): PC Series hydraulic connection products. - [Bobcat Replacement Quick Couplers](https://cosmichydraulic.com/en/products/bobcat-replacement-quick-couplers): Compatible replacement hydraulic couplers for Bobcat equipment and attachments. Match model, connection type, thread and pressure requirements. - [BOBCAT 4BD4FF112](https://cosmichydraulic.com/en/products/bobcat-replacement-quick-couplers/series/bobcat-4bd4ff112-series): Replacement quick coupler for Case and New Holland skid steer loaders. Verify interchange references and applications before ordering. - [BOBCAT 5BD4FH](https://cosmichydraulic.com/en/products/bobcat-replacement-quick-couplers/series/bobcat-5bd4fh-series): Replacement quick coupler for Bobcat telescopic handlers, versahandlers and loaders. Verify interchange references and applications before ordering. - [BOBCAT 4BD4FH](https://cosmichydraulic.com/en/products/bobcat-replacement-quick-couplers/series/bobcat-4bd4fh-series): Replacement quick coupler for Bobcat skid steer loaders. Verify interchange references and applications before ordering. - [BOBCAT 1-1/16 UNF 90°](https://cosmichydraulic.com/en/products/bobcat-replacement-quick-couplers/series/bobcat-1-1-16-unf90-series): BOBCAT 1-1/16 UNF 90° flat-face quick couplers conform to ISO 16028 for Bobcat equipment and hydraulic tools in demanding environments. - [BOBCAT 2415](https://cosmichydraulic.com/en/products/bobcat-replacement-quick-couplers/series/bobcat-2415-series): BOBCAT 2415 Bobcat replacement quick coupler conforms to ISO 16028 for equipment and attachment hydraulic lines. - [BOBCAT 4615](https://cosmichydraulic.com/en/products/bobcat-replacement-quick-couplers/series/bobcat-4615-series): BOBCAT 4615 Bobcat replacement quick coupler conforms to ISO 16028 for equipment and attachment hydraulic lines. - [BOBCAT 4815](https://cosmichydraulic.com/en/products/bobcat-replacement-quick-couplers/series/bobcat-4815-series): BOBCAT 4815 Bobcat replacement quick coupler conforms to ISO 16028 for equipment and attachment hydraulic lines. - [John Deere Replacement Quick Couplers](https://cosmichydraulic.com/en/products/john-deere-replacement-quick-couplers): Compatible replacement hydraulic couplers for John Deere equipment. Match part number, thread, pressure and connection requirements. - [3CFPV-13/16-16 ORSF](https://cosmichydraulic.com/en/products/john-deere-replacement-quick-couplers/series/3cfpv-13-16-16orsf-series): Replacement hydraulic quick coupler for selected John Deere engines and tractors. Verify interchange references and applications before ordering. - [JOHN DEERE 3CFPV-NPT1/2](https://cosmichydraulic.com/en/products/john-deere-replacement-quick-couplers/series/john-deere-3cfpv-npt1-2-series): 3CFPV-NPT1/2 female thread hydraulic quick coupler for John Deere equipment replacement. - [JOHN DEERE 0003-093](https://cosmichydraulic.com/en/products/john-deere-replacement-quick-couplers/series/john-deere-0003-093-series): Replacement hydraulic quick coupler for selected John Deere combines and equipment. Verify interchange references and applications before ordering. - [JOHN DEERE AA59411](https://cosmichydraulic.com/en/products/john-deere-replacement-quick-couplers/series/john-deere-aa59411-series): Replacement hydraulic quick coupler for selected John Deere planters, loaders, and tillage equipment. Verify interchange references and applications before ordering. - [JOHN DEERE AA59671](https://cosmichydraulic.com/en/products/john-deere-replacement-quick-couplers/series/john-deere-aa59671-series): Replacement hydraulic quick coupler for selected John Deere engines, tractors and implements. Verify interchange references and applications before ordering. - [JOHN DEERE AH75167](https://cosmichydraulic.com/en/products/john-deere-replacement-quick-couplers/series/john-deere-ah75167-series): Replacement hydraulic quick coupler for selected John Deere engines and agricultural equipment. Verify interchange references and applications before ordering. - [JOHN DEERE AH171017](https://cosmichydraulic.com/en/products/john-deere-replacement-quick-couplers/series/john-deere-ah171017-series): Replacement hydraulic quick coupler for selected John Deere harvester platforms. Verify interchange references and applications before ordering. - [JOHN DEERE AH171018](https://cosmichydraulic.com/en/products/john-deere-replacement-quick-couplers/series/john-deere-ah171018-series): Replacement hydraulic quick coupler for selected John Deere engines, harvester platforms and harvesters. Verify interchange references and applications before ordering. - [JOHN DEERE CH20001](https://cosmichydraulic.com/en/products/john-deere-replacement-quick-couplers/series/john-deere-ch20001-series): Replacement hydraulic quick coupler for selected John Deere, IH, Ford and New Holland tractors. Verify interchange references and applications before ordering. - [JOHN DEERE DQ61633](https://cosmichydraulic.com/en/products/john-deere-replacement-quick-couplers/series/john-deere-dq61633-series): Elbow fitting replacement hydraulic quick coupler for selected John Deere harvesters. Verify interchange references and applications before ordering. - [JOHN DEERE RE222718](https://cosmichydraulic.com/en/products/john-deere-replacement-quick-couplers/series/john-deere-re222718-series): Replacement hydraulic quick coupler for selected John Deere engines, planters and tractors. Verify interchange references and applications before ordering. - [Other OEM Replacement Quick Couplers](https://cosmichydraulic.com/en/products/other-oem-replacement-quick-couplers): Replacement quick couplers for OEM equipment hydraulic connection needs. - [ZY-KZE Series](https://cosmichydraulic.com/en/products/other-oem-replacement-quick-couplers/series/zy-kze-series): ZY-KZE series provides a proven hydraulic connection for construction equipment, forestry equipment, agricultural machinery, oil tools, oil equipment, steel mill machinery, and other demanding applications. - [ZY-TM Series](https://cosmichydraulic.com/en/products/other-oem-replacement-quick-couplers/series/zy-tm-series): ZY-TM hydraulic quick couplings interchange with the TEMA TH5000 series for reliable double shut-off industrial connections. - [ZY-HSP Series](https://cosmichydraulic.com/en/products/other-oem-replacement-quick-couplers/series/zy-hsp-series): ZY-HSP series provides proven hydraulic connections for construction equipment, forestry equipment, oil tools, oil equipment, steel mill machinery, and other demanding applications. - [ZY-QZB275-77 Series](https://cosmichydraulic.com/en/products/other-oem-replacement-quick-couplers/series/zy-qzb275-77-series): ZY-QZB275-77 series provides proven hydraulic connections for construction equipment, forestry equipment, oil tools, oil equipment, steel mill machinery, and other demanding applications. - [High Pressure Ball Valve](https://cosmichydraulic.com/en/products/high-pressure-ball-valve): High-pressure hydraulic ball valves for shutoff and flow control in mobile equipment, industrial machinery and fluid-power systems. - [KHB / KHB3K Ball Valve](https://cosmichydraulic.com/en/products/high-pressure-ball-valve/series/khb-khb3k-ball-valve): KHB and KHB3K high-pressure ball valves are used for hydraulic shut-off, flow isolation, and service control in high-pressure pipe systems. - [KHB / KHM Ball Valve](https://cosmichydraulic.com/en/products/high-pressure-ball-valve/series/khb-khm-ball-valve): KHB and KHM two-way high-pressure ball valves provide reliable shut-off and unrestricted flow for hydraulic pipelines, with multiple metric, BSP, NPT, SAE, and DIN connection options. - [KHB3K Two-position Three-way Ball Valve](https://cosmichydraulic.com/en/products/high-pressure-ball-valve/series/khb3k-ball-valve): The KHB3K two-position three-way high-pressure ball valve connects three hydraulic lines and switches flow between branches for diverting and directional control. - [YJZQ High Pressure Ball Valve](https://cosmichydraulic.com/en/products/high-pressure-ball-valve/series/yjzq-ball-valve): YJZQ high-pressure ball valves provide shut-off and isolation for hydraulic lines with female-thread, male-thread, and gasket mounting options from DN10 to DN50. - [Hydraulic Hose Fittings](https://cosmichydraulic.com/en/products/hydraulic-hose-fittings): Hydraulic hose fittings for secure hose assemblies and fluid transfer in industrial, mobile, agricultural, and construction equipment. - [Hydraulic Adapters](https://cosmichydraulic.com/en/products/hydraulic-adapters): Hydraulic adapters for thread conversion, routing, and connection matching. - [Hydraulic Coupler Dust Caps](https://cosmichydraulic.com/en/products/hydraulic-coupler-dust-caps): Hydraulic quick coupler dust caps and plugs protect disconnected ends from dust, moisture and contamination. Find protection accessories by series and size. - [ISO 7241A Dust Caps](https://cosmichydraulic.com/en/products/hydraulic-coupler-dust-caps/series/iso-7241a-dust-caps): ISO 7241A dust caps and plugs protect disconnected hydraulic coupling ends from dust, moisture, and contamination. - [ISO 7241B Dust Caps](https://cosmichydraulic.com/en/products/hydraulic-coupler-dust-caps/series/iso-7241b-dust-caps): ISO 7241B dust caps and plugs protect disconnected hydraulic coupling ends from dust, moisture, and contamination. - [FF Dust Caps](https://cosmichydraulic.com/en/products/hydraulic-coupler-dust-caps/series/ff-dust-caps): FF dust caps protect disconnected flat-face hydraulic coupling ends from dust, moisture, and contamination. - [KZE-B Dust Caps](https://cosmichydraulic.com/en/products/hydraulic-coupler-dust-caps/series/kze-b-dust-caps): KZE-B dust caps protect disconnected high-pressure threaded coupling ends from dust, moisture, and contamination. - [LKJI Dust Caps](https://cosmichydraulic.com/en/products/hydraulic-coupler-dust-caps/series/lkji-dust-caps): LKJI dust caps protect disconnected ultra-high-pressure hydraulic coupling ends from dust, moisture, and contamination. - [TQ Dust Caps](https://cosmichydraulic.com/en/products/hydraulic-coupler-dust-caps/series/tq-dust-caps): TQ dust caps protect disconnected ultra-high-pressure hydraulic coupling ends from dust, moisture, and contamination. ## Technical articles - [Quick Release Coupling Types: ISO Standards, Sizes and Selection Guide](https://cosmichydraulic.com/en/blog/quick-release-coupling-types): Compare ISO 7241-A/B, ISO 16028 and ISO 5675 quick coupling types, sizes, interchange checks, troubleshooting and selection steps. - [Quick Connect and Disconnect Couplings: Operation and Safety Guide](https://cosmichydraulic.com/en/blog/quick-connect-and-disconnect-couplings): Learn how hydraulic quick connect and disconnect couplings work, connect safely, and solve residual pressure, leakage and compatibility problems. - [Hydraulic Quick Coupling Interchange Guide: Replacement & Cross Reference](https://cosmichydraulic.com/en/blog/hydraulic-coupling-interchange-guide): Compare hydraulic quick coupling replacements across ISO 7241-A/B, ISO 16028 and ISO 5675 with brand cross references and verification steps. - [NPT vs BSPP vs SAE ORB vs Metric Threads for Hydraulic Quick Couplings: Identification, Sealing and Selection](https://cosmichydraulic.com/en/blog/how-to-identify-hydraulic-quick-couplings): Compare NPT, BSPP, SAE ORB and metric threads used on hydraulic quick couplings. Learn thread form, sealing methods, identification and compatibility. - [How to Identify Hydraulic Quick Coupling Threads: NPT, BSPP, BSPT, SAE ORB & Metric](https://cosmichydraulic.com/en/blog/best-o-ring-material-hydraulic-quick-couplings): Identify hydraulic quick coupling threads with a practical workflow for checking NPT, BSPP, BSPT, SAE ORB and metric connections accurately. - [How Hydraulic Thread Sealing Works: NPT, BSPP, SAE ORB, Metric and JIC Connections Explained](https://cosmichydraulic.com/en/blog/what-are-pneumatic-couplers): Learn how NPT, BSPP, SAE ORB, metric and JIC hydraulic connections seal, why threaded joints leak and how to diagnose the real sealing surface.