NG16 / 10-Size Manifold Blocks Manufacturer
When the job demands serious flow and serious force. We manufacture heavy-duty NG16 (CETOP 7 / 10-Size) manifold blocks — the correct specification for high-flow industrial hydraulic circuits up to 250 LPM.
When Is NG16 (10-Size) Required?
The most common and costly mistake in hydraulic manifold specification is undersizing the valve interface. Machine builders frequently default to NG10 (CETOP 5) blocks because they are cheaper and more readily available — then wonder why their machines run hot, cycle slowly, and suffer premature valve failure.
The rule is simple: If your circuit flow rate exceeds 80 LPM at the directional valve, you must use NG16 or larger.
Common scenarios requiring NG16:
- Large-bore cylinders: A 160mm bore cylinder extending at 0.1 m/s requires ~200 LPM. Routing 200 LPM through an NG10 block creates 15+ m/s fluid velocity — this is catastrophic for the valve and the system.
- Multiple small cylinders on one valve: If one directional valve serves two or three cylinders simultaneously, the combined flow demand may exceed NG10 capacity.
- High-speed automation: Presses and handling equipment requiring rapid cylinder travel speeds generate high peak flow demands that exhaust NG10 capacity.
- Long-stroke cylinders: Large fluid volume requirements per cycle may not cause velocity problems but create temperature issues in NG10 blocks with their smaller T gallery cross-sections.
NG16 Technical Specifications & Performance Envelope
The NG16 interface is designed to handle up to 250 LPM without causing restrictive pressure drops. Proper port sizing and internal gallery dimensioning is critical at these flow rates.
NG16 Technical Data
| Parameter | Value |
|---|---|
| ISO Standard | ISO 4401-07-07-0-05 |
| Nominal Flow Capacity | 200 LPM (continuous), 250 LPM (peak) |
| Maximum Working Pressure | 315 Bar (in steel/ductile iron blocks) |
| Mounting Bolt Pattern | 4 × M8 bolts, ISO 4401-07 spacing |
| P Port (Pressure In) | G 3/4" BSPP (or SAE-12) |
| T Port (Tank Return) | G 3/4" BSPP (or SAE-12) |
| A & B Work Ports | G 1/2" BSPP (or SAE-10) |
| Valve O-Ring Seal Size | ISO 4401-07 D-ring specification |
| Materials | AL 6061-T6, ST52 Steel, Ductile Iron GGG50, SS316L |
| Gallery Bore (Standard) | 22mm (P & T), 18mm (A & B work galleries) |
| Gallery Bore (Heavy Duty) | 25mm (P & T) for 200–250 LPM peak demand |
| Station Configurations | 1 to 6 stations |
| Testing | 100% Hydrostatic at 1.5x working pressure |
Material Selection Guide for Heavy Industry
NG16 blocks are predominantly used in heavy industrial environments where material selection is critical. Ductile Iron is frequently specified for NG16 blocks in forging and heavy-press environments because its damping characteristics absorb the pressure pulsations generated by large displacement gear pumps.
| Operating Condition | Recommended Material | Pressure Limit |
|---|---|---|
| General factory floor | Aluminium 6061-T6 (anodized) | 210 Bar |
| Heavy press rooms, heat | ST52 Carbon Steel (zinc plated) | 315 Bar |
| Forge shops, high vibration | Ductile Iron (GGG50, epoxy coated) | 315 Bar |
| Marine/outdoor high-flow | SS316L (electroless nickel) | 250 Bar |
NG16 Product Range
Single-StationNG16 Single-Station Subplates
For single-cylinder, high-flow applications. Standard configuration with G3/4" P and T ports. Available with SAE Code 61 flange option for very high-flow connections. Aluminium (up to 210 Bar) or ST52 Steel (up to 315 Bar).
Multi-StationNG16 Multi-Station Manifold Rails
2 to 6-station parallel rails. The physical size of NG16 blocks limits practical multi-station rails to 6 stations before the block length exceeds manageable dimensions. For 6+ high-flow stations, we recommend our custom manifold block approach with integrated cartridge valves.
SandwichNG16 Sandwich Subbase Plates
Extended subbase plates for stacking pressure-reducing and flow-control sandwich modules between the base and the directional valve. Useful for complex, multi-pressure circuits driving large cylinders.
NG16 4-Station Manifold Block for Hydraulic Goods Lift
Material Handling Equipment Builder — Odhav GIDC, Ahmedabad
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The correct specification for high-flow industrial hydraulic circuits.