Hydro-Line ® HG Port Options
Engineered for the durability required for Medium-duty applications.
Available Ports
Series HG cylinders are available with SAE straight thread O-ring ports, 4 Bolt flange port and NPTF ports listed below. The table below lists the port types and sizes available for each bore diameter. Some mounting styles have port location restrictions. Check the port location table on the last page for your particular mounting style. Where a port or port boss interferes with cylinder mounting, mounting should take precedence.
Port Code N
Diagram shows a cross-section of a port with a straight thread.
Port Code R and S
Diagram shows a cross-section of a port with an O-ring groove and seal.
Port Code F and E
Diagram illustrates a 4-bolt flange connection. Key dimensions are labeled: A (overall diameter), Q (bolt circle diameter), W (flange width), X (bolt hole diameter), Z (number of places for bolts), and GG (bolt size/thread).
Port Code P
Diagram shows a cross-section of a port with a tapered thread, identified as NPTF.
Port Code 6 Reference Table
| FLANGE SIZE | A | Q | W | X | Z | GG |
| 1.5 (-24) | 1.50 | 2.750 | 1.380 | 0.700 | 1/2-13 | 1.406 |
| 2 (-32) | 2.00 | 3.062 | 1.531 | 0.844 | 1/2-13 | 1.688 |
| 2 1/2(-40) | 2.50 | 3.500 | 1.750 | 1.000 | 1/2-13 | 2.000 |
| 3(48) | 3.00 | 4.188 | 2.094 | 1.217 | 5/8-11 | 2.438 |
HG Series Port Options
| BORE Ø in. | PORT CODE N NPTF* Pipe | PORT CODE P NPTF* Pipe | PORT CODE S J1926 UN Thread O-Ring/Thread Size | PORT CODE R J1926 UN Thread O-Ring/Thread Size | PORT CODE F SAE 518 Code 61 Flange | PORT CODE E SAE 518 Code 61 Flange |
|---|---|---|---|---|---|---|
| 10 | 2 | 2 1/2 | #32 | #24 | 2 (-32) | 1.50 (-24) |
| 12 | 2 1/2 | 3 | #32 | #24 | 2 1/2(-40) | 2 (-32) |
| 14 | 2 1/2 | 3 | #32 | #24 | 2 1/2(-40) | 2 (-32) |
| 16 | 3 | - | #32 | #24 | 3(-48) | 2 1/2 (-40) |
| 18 | 3 | - | #32 | #24 | 3(-48) | 2 1/2 (-40) |
| 20 | 3 | - | #32 | #24 | 3(-48) | 2 1/2 (-40) |
| 24 | 3 | - | #32 | #24 | 3(-48) | 2 1/2 (-40) |
| 30 | 3 | - | #32 | #24 | 3(-48) | 2 1/2 (-40) |
* NPTF ports are not recommended for maximum reliability on new application.
⚠️ WARNING
This product is intended for users having technical expertise. Improper use, selection or application of the cylinders and/or their related accessories can cause or result in Death, Bodily Injury and/or Property Damage. For assistance, please consult an Danfoss representative at 952-937-9800.
