SAE Flanges
ISO 6162-1, ISO 6162-2, and SAE J518
download- Introduction:
GEMCO SAE Hydraulic Flanges: Premium High-Pressure Block Sealing Systems
GEMCO SAE hydraulic flanges are engineered to deliver robust structural connections in the most demanding heavy-duty fluid power circuits. Fully compliant with international installation benchmarks—specifically ISO 6162-1, ISO 6162-2, and SAE J518—these components partition high stresses evenly to accommodate intense mechanical vibration and thermal expansion. GEMCO SAE systems provide an ideal zero-leakage joint for connecting solid tube networks or high-impulse flexible hose assemblies directly to hydraulic pumps, motors, and manifold blocks. Designed to guarantee flawless performance under extreme structural loads, our SAE flange series is the trusted choice for maritime drilling, heavy construction, and mining infrastructure globally.
- Key Features:
-
Rigid Standardization Alignment: 100% compliant with ISO 6162-1 (Standard Series / Code 61) and ISO 6162-2 (High-Pressure Series / Code 62) engineering dimensions, ensuring clean universal interoperability.
-
Versatile Spatial Configurations: Portfolio offers split flange clamps (
FL,FS), whole flange blocks (FL-W,FS-W), robust flange plugs (4FL,4FS), and targeted multi-standard adapter lines (1JFS,1CFL-W,1DFS9-W). -
Extensive Sizing Envelopes: Sizing options fully populate the standard matrix, spanning from 1/2″ up to 3″ for Standard Code 61 arrays, and 1/2″ up to 2″ for specialized High-Pressure Code 62 profiles.
-
Multi-Material Availability: Standard products are manufactured from premium Carbon Steel, Stainless Steel 304, and Stainless Steel 316 to handle various extreme chemical media or aggressive fluids.
-
Robust Inter-System Connectivity: Seamlessly transitions large block manifolds to global pipeline configurations, offering clean conversions to JIC Male 74° Cone (
1JFS), Metric 24° Cutting Ring layouts (1DFL-W), and Butt-Weld interfaces (1FSW).
Parameters
| SAE Flanges – Catalogue Order | ||||
![]() |
![]() |
![]() |
![]() |
![]() |
| 1JFS DIN-“L” & Metric 60° |
1JFS9 DIN-“S” & Metric 60° |
1FSW DIN-“S” & SAE Flange 3000PSI |
1FLW DIN-“S” & SAE Flange 3000PSI |
FL DIN-“S” & SAE Flange 6000PSI |
![]() |
![]() |
![]() |
![]() |
![]() |
| FS DIN-“S” & SAE Flange 6000PSI |
FL-W DIN-“S” & SAE Flange 6000PSI |
FS-W DIN-“L” & Butt-Weld Tube |
4FL DIN-“L” & Butt-Weld Tube |
4FS DIN-“S” & Butt-Weld Tube |
![]() |
![]() |
![]() |
![]() |
![]() |
| 4FL-M Metric O-Ring & Butt-Weld Tube |
4FS-M S-Series 6000PSI Flange Plug |
1CFL-W/1DFL-W 1CFL-W/RN 1DFL-W/RN DIN-“S” & BSP O-Ring |
1DFS-W 1DFS-W/RN DIN-“S” & BSP O-Ring |
1CFL9-W/1DFL9-W 1CFL9-W/RN 1DFL9-W/RN DIN-“S” & BSP O-Ring |
![]() |
![]() |
![]() |
![]() |
![]() |
| 1DFS9-W 1DFS9-W/RN DIN-“S” & Metric Bonded Seal |
1FFL DIN-“L” & Metric 60° |
1FFL9 Metric O-Ring & Metric Bonded Seal |
1FFS Metric O-Ring & Metric Bonded Seal |
1FFS9 DIN-“L” & SAE Flange 3000PSI |
For a thorough evaluation of precise dimensional layouts (A, B, M, N, h), socket metrics, absolute working pressure levels, and required matching bolt specifications across Code 61 and Code 62 configurations, please download our comprehensive technical documentation.
Advantages
-
Flawless Joint Stability Under Intensive Impulses:
-
The Pain Point: Standard threaded pipeline connectors face immense thread strain and fatigue failure when subjected to the persistent high-pressure spikes and violent physical shaking common in heavy machinery.
-
Our Solution: GEMCO SAE flange clamping assemblies distribute systemic tension evenly over a four-bolt geometric layout, transferring mechanical loads directly into the main steel manifold block. This layout avoids the risk of localized thread loosening, guaranteeing complete joint stability and leak-free performance under tough working pressure spikes up to 42 MPa.
-
-
Easy Zero-Clearance Component Field Maintenance:
-
The Pain Point: Changing a heavy-duty hydraulic pump or major directional valve inline becomes incredibly labor-intensive if the network requires adjacent piping arrays to be pulled back to release the components.
-
Our Solution: GEMCO split flange clamp modules (
FL/FSseries) allow the entire line configuration to be assembled or split apart completely along a flat face orientation without shifting any hard piping. This zero-clearance servicing capability minimizes system maintenance labor hours and drastically reduces machinery downtime.
-
-
Advanced Plating Options to Counter Environmental Aging:
-
The Pain Point: Wet marine decks, continuous rain exposure at outdoor construction sites, or aggressive corrosive runoff quickly destroys industrial hardware, seizing vital connections.
-
Our Solution: Our high-tensile carbon steel products are fortified with advanced Zinc or Zinc-Nickel Plating, while our stainless steel options go through comprehensive Electrolytic Passivation. These finishing options give the metal parts exceptional salt-spray endurance, keeping your flange blocks reusable and easy to disassemble through long field lifecycles.
-
FAQs
-
What is the main design difference between GEMCO split flange clamps and whole flange clamps?
This relates directly to assembly style and spatial envelopes. Split flange clamps (
FLorFSseries) come divided into two separate mechanical halves, allowing maximum clearance during installation around tight hose configurations. Whole flange clamps (FL-WorFS-Wseries) feature a single, rigid solid frame block that offers enhanced structural strength and simpler alignment when installing the system onto clean manifold port faces -
How do we specify an SAE adapter line that needs to bundle the cutting ring and compression nut as a single kit?
By default, base code entries dictate only the raw flange adapter body. Wholesale procurement and distribution teams wanting to purchase them pre-bundled with compression hardware should append the suffix “RN” to the part code (e.g., specifying
1DFS-52-24W/RNor1DFL-52-24W/RN) to streamline purchasing management. -
Are standard mounting bolts and socket screws included automatically when buying GEMCO split flange clamps?
Standard part codes (like
FL-08orFS-12) specify the pricing and structure of the split flange clamp bodies alone. However, our product tables clearly define the required matching bolt size (e.g.,M8×25,M12×45) for each configuration. Complete matching hardware kits can be packed alongside your bulk order upon corporate request. -
Do GEMCO SAE flange plugs require an elastomeric O-ring to operate safely at max pressure classes?
Yes, our
4FLand4FSstructural flange plug lines utilize a flat surface with a dedicated ring groove, requiring standard high-pressure elastomeric seals to prevent bypass leaks when blanking off a port block. Replacement seals are available in premium rubber formulations to withstand extreme temperatures and aggressive media. -
How does GEMCO eliminate risk when supplying heavy-duty flanges for global distributor contracts?
Because SAE flanges support critical high-pressure connections, GEMCO passes every material run through ultrasonic inspection, strict coordinate measuring machine (CMM) mapping, and intensive high-pressure hold validations. Wholesale supply deliveries come accompanied by certified material heat-treatment certificates and full tracking documentation, giving your procurement network reliable quality in every shipment.



















