hydraulic adaptor metric male O-Ring flat sealing pipe fittings
Material: Carbon Steel, Stainless Steel
Surface Treatment: White or Yellow Zinc-Plated
Standards: Eaton, DIN, ISO, SAE, JIC or As customers' drawing
Export Markets: Global
| Standard: | DIN |
| Material: | Medium Carbon Steel |
| Connection: | Female |
| Surface Treatment: | Galvanized Sheet |
| Head Type: | Round |
| Manufacturer: | Factory |
| PART NO. | THREAD E |
THREAD F |
TUBE O.D. D1 |
TUBE O.D. D2 |
DIMENSIONS I1 |
DIMENSIONS I2 |
DIMENSIONS I3 |
DIMENSIONS L1 |
DIMENSIONS L2 |
DIMENSIONS S1 |
DIMENSIONS S2,S3 |
DIMENSIONS S4 |
MPa | |
| 6C9-12 | M12×1.5 | M12×1.5 | 6 | 6 | 27 | 12 | 14 | 42 | 27 | 12 | 14 | 17 | 31.5 L | |
| 6C9-14 | M14×1.5 | M14×1.5 | 8 | 8 | 27 | 14 | 17 | 42 | 29 | 12 | 17 | 19 | ||
| 6C9-16 | M16×1.5 | M16×1.5 | 10 | 10 | 28 | 15 | 18 | 43 | 30 | 14 | 19 | 22 | ||
| 6C9-18 | M18×1.5 | M18×1.5 | 12 | 12 | 29 | 17 | 20 | 44 | 32 | 17 | 22 | 24 | ||
| 6C9-22 | M22×1.5 | M22×1.5 | 15 | 15 | 31 | 21 | 23 | 46 | 36 | 19 | 27 | 30 | ||
| 6C9-26 | M26×1.5 | M26×1.5 | 18 | 18 | 32.5 | 23.5 | 24 | 49 | 40 | 24 | 32 | 36 | ||
| 6C9-30 | M30×2 | M30×2 | 22 | 22 | 34.5 | 27.5 | 30 | 51 | 44 | 27 | 36 | 41 | 16 L | |
| 6C9-36 | M36×2 | M36×2 | 28 | 28 | 35.5 | 30.5 | 34 | 52 | 47 | 36 | 41 | 46 | ||
| 6C9-45 | M45×2 | M45×2 | 35 | 35 | 36.5 | 34.5 | 39 | 58 | 56 | 41 | 50 | 55 | ||
| 6C9-52 | M52×2 | M52×2 | 42 | 42 | 36 | 40 | 43 | 59 | 63 | 50 | 60 | 65 | ||
| 6D9-14 | M14×1.5 | M14×1.5 | 6 | 6 | 29 | 16 | 17 | 44 | 31 | 12 | 17 | 19 | 63 S | |
| 6D9-16 | M16×1.5 | M16×1.5 | 8 | 8 | 29 | 17 | 18 | 44 | 32 | 14 | 19 | 22 | ||
| 6D9-18 | M18×1.5 | M18×1.5 | 10 | 10 | 29.5 | 17.5 | 20 | 46 | 34 | 17 | 22 | 24 | ||
| 6D9-20 | M20×1.5 | M20×1.5 | 12 | 12 | 30.5 | 21.5 | 21 | 47 | 38 | 17 | 24 | 27 | ||
| 6D9-22 | M22×1.5 | M22×1.5 | 14 | 14 | 32 | 22 | 23 | 50 | 40 | 19 | 27 | 30 | ||
| 6D9-24 | M24×1.5 | M24×1.5 | 16 | 16 | 31.5 | 24.5 | 24 | 50 | 43 | 24 | 30 | 32 | 40 S | |
| 6D9-30 | M30×2 | M30×2 | 20 | 20 | 33.5 | 26.5 | 30 | 55 | 48 | 27 | 36 | 41 | ||
| 6D9-36 | M36×2 | M36×2 | 25 | 25 | 35 | 30 | 34 | 59 | 54 | 36 | 46 | 46 | ||
| 6D9-42 | M42×2 | M42×2 | 30 | 30 | 37.5 | 35.5 | 39 | 64 | 62 | 41 | 50 | 50 | ||
| 6D9-52 | M52×2 | M52×2 | 38 | 38 | 37 | 41 | 43 | 68 | 72 | 50 | 60 | 65 | 31.5S | |
| "LN",6C9-30LN;,"RN",6C9-30RN";,,"LN/RN",6C9-30LN/RN. Note: In case if you are interested to order the adapter with lock nut, please insert suffix"LN "after our part NO., for example 6C9-30LN, order the adapter with cutting ring and nut, insert suffix "RN" after part NO., for example 6C9-30RN, order the adapter with lock nut and cutting ring and nut, insert suffix "LN/RN" after part NO., for example 6C9-30LN/RN. |
||||||||||||||
Our 10 years of customisation experience has created the OPK Fitting brand value.
Product DescriptionProduct name: 90° Metric Female Flat Seal Hydraulic Hose Fitting (20291, 20291T)1. Raw Material: Carbon Steel & Stainle...
See Details
Product DescriptionProduct name: Hose Fitting - British Standard - Bsp 60 Cone Seal - 5o Bsp Female 60o Cone1. Raw Material: Carbon Steel & Stainl...
See Details
Product DescriptionProduct name : SAE Flange 3000 Psi Hydraulic Pipe Fitting 87611. 87612. 876131. Raw Material: Carbon Steel & Stainless Steel av...
See Details
Product Descriptionhydraulic adaptor metric male O-Ring flat sealing pipe fittings Material: Carbon Steel, Stainless SteelSurface Treatment: White o...
See Details
Product Descriptionhydraulic adaptor metric male O-Ring flat sealing pipe fittings Material: Carbon Steel, Stainless SteelSurface Treatment: White o...
See Details
Product Descriptionhydraulic adaptor metric male O-Ring flat sealing pipe fittings Material: Carbon Steel, Stainless SteelSurface Treatment: White...
See Details
Product Descriptionhydraulic adaptor metric male O-Ring flat sealing pipe fittings Material: Carbon Steel, Stainless SteelSurface Treatment: White...
See Details
Description Of Products:1. Raw Material: Carbon Steel & Stainless Steel available2. Standard Plating: Trivalent Zinc Plating ( Cr3 / Chrome Free )...
See Details
1. Raw Material: Carbon Steel & Stainless Steel available2. Standard Plating: Trivalent Zinc Plating ( Cr3 / Chrome Free ), Silver & Yellow3. ...
See Details
1. Raw Material: Carbon Steel & Stainless Steel available2. Standard Plating: Trivalent Zinc Plating ( Cr3 / Chrome Free ), Silver & Yellow3. ...
See Details



Suppose a newly delivered hose assembly threads onto the pump port for three turns and then binds. Forcing it a little more creates a connection that looks right but leaks as soon as the system reach...
View MoreA hydraulic hose bursts on an excavator arm at mid-morning. The spare fitting in the toolbox looks exactly like the damaged one, but it will not thread on. Identifying hydraulic fittings correctly is...
View MoreWhen a Look-Alike Fitting Costs You Downtime During a routine hose replacement on an excavator, a maintenance crew fitted a replacement that looked identical to the old one: same hex size, same threa...
View MoreConclusion: Socketless hydraulic hose fittings, also known as push-on fittings, are designed for quick, reliable connections in low-pressure hydraulic systems. Their barbed design and reusable nature...
View More