Codes / Standards for Hydraulic Components
| CODE | MALE & FEMALE FLUID PORT DESCRIPTION | DESIGN CONFORMANCE STANDARDS |
|---|---|---|
| B | Male thread port with bonded washer on stud. British Standard Pipe Parallel (BSPP) threads |
ISO 228-1 British Std. Pipe Parallel Threads. BS5200 Design with bonded washer seal (Dowty Ring) For use in ISO 1179/DIN 3852 Ports |
| BE | Male thread port, S series – E face seal British Standard Pipe Parallel (BSPP) threads |
ISO 1179-2 Heavy duty stud end – Elastomeric seal Type-E ISO 228-1 British Std. Pipe (Parallel) Threads |
| BF | Female thread port for o-ring seal on stud. British Standard Pipe Parallel (BSPP) threads. |
BS5380 – Hydraulic Port ISO 228-1 British Std. Pipe (Parallel) Threads |
| BFB | Female thread port – flat face seal on stud. British Standard Pipe Parallel (BSPP) threads |
ISO 1179-1 Fluid Power Ports ISO 228-1 British Std. Pipe (Parallel) Threads |
| BMB | Male thread port with o-ring on stud. British Standard Pipe Parallel (BSPP) threads. |
BS5380 – Hydraulic stud coupling ISO 228-1 British Std. Pipe (Parallel) Threads |
| BMP | Male British Pipe port with 60° female cone seat British Standard Pipe Parallel (BSPP) threads |
BS5200 – Hydraulic port and stud couplings ISO 228-1 British Std. Pipe (Parallel) Threads |
| BT | Male thread port, (BSPT) British Standard Pipe Tapered Form |
BS 21-R External Pipe threads for tubes and fittings ISO 7 Pressure tight joints on threads |
| BU | Female thread port union, 60° conical seal surface British Standard Pipe Parallel (BSPP) |
BS 5200 – Hydraulic port and stud couplings ISO 228-1 British Std. Pipe (Parallel) Threads |
| CF | Female port, slip fit to male port with o-ring seal & clip fastener | SAE J1467 Steel clip fastener fittings for hydraulic systems. |
| CM | Male port, o-ring seal – slip fit to female port & clip fastener | SAE J1467 Steel clip fastener fittings for hydraulic systems |
| F | Male thread port – o-ring face seal Inch Threads |
SAE J1453 fluid port fittings having o-ring face seals. ANSI B1.1 Screw Threads Class 2A/2B |
| FF | Female thread port – flat face for sealing. Inch Threads |
Port is to SAE J1453 female union dimension. ANSI B1.1 Screw Threads Class 2A/2B |
| FH | Male flange head port – o-ring seal | SAE J518 Code 61 & 62 4-bolt split flange tube pipe & hose connection. Inch screws – SAE J518/ISO 263 |
| FP | Female bolted flange port – o-ring seal | SAE J518 Code 61 & Code 62 4-bolt split flange tube pipe & hose connection. Inch screws – ISO 725 Threads |
| FT | Female thread port (BSPT) British Standard Pipe Tapered Form threads |
BS21 – Pipe threads for tubes and fittings – ISO 7-1 pressure tight joints on threads. |
| FU | Female thread port union – flat face sealing. Inch threads. |
SAE J1453 o-ring face sealing female union. ANSI B1.1 Screw Threads Class 2A/2B |
| HM | Male thread port, heavy duty 24° bite type flareless tube connection. Metric threads. | ISO 8434-1 Fluid power metallic tube connections – DIN 2353 “S” (heavy duty) ISO 261 metric threads |
| J | Male thread port, 37° male seal surface. Inch threads. |
SAE J514 – JIC 37 male cone seat, metal sealing for tube and hose ends. ISO 725 UN/UNF-2A Threads |
| JF | Female thread port, 37° female seal surface. Inch threads. |
SAE J514 – JIC 37 female cone seat, metal sealing for tube and hose ends. ISO 725 UN/UNF-2B Threads |
| JM | Male thread port, 60° male cone seat British Standard Pipe Parallel (BSPP) |
Japanese Industrial Standard JISB2351 fittings with BSPP thread ISO 228-1 (JIS B 0202) G threads per BSPP |
| JMF | Male thread port, 60° male cone seat. British Standard Pipe Parallel (BSPP) |
Japanese Industrial Standard JISB2351 fittings with BSPP thread. ISO 228-1 (JIS B 0202) G threads per BSPP |
| JU | Female thread port union, 60° male cone seal surface. British Standard Pipe Parallel (BSPP) | Japanese Industrial Standard JISB2351 fittings with BSPP thread. ISO 228-1 (JIS B 0202) G threads per BSPP |
| LM | Male thread port, light duty 24° bite type flareless tube connection. Metric threads. | ISO 8434-1 fluid power metallic tube connections –DIN 2353 “L” (light duty) male connection. ISO 261 metric threads. |
| O | Male thread port, o-ring on stud, “S” Series Inch threads. |
SAE J1926-2/ SAE J514 –heavy duty stud end. ISO 11926 ANSI B1.1 Screw th’d. Class 2A/2B. ISO 725, FED-STD-H28/2 |
| OA | Male thread port, o-ring, washer & adjustable nut on stud. Inch threads | SAE J514 – SAE o-ring port end. UN/UNF-2A Threads. ISO 725, FED-STD-H28/2 |
| OF | Female thread port, O-ring seal on stud. Inch threads |
SAE J1926-1/ISO 11926-1 O-ring seal port, truncated housing. ISO 261 and ISO 725 UN/UNF-2B Threads |
| OL | Male thread port, o-ring on stud, “L” Series Inch threads. |
SAE J1926-3 / SAE J514 – light duty stud end. ISO 11926 UN/UNF-2A Threads. ISO 725, FED-STD-H28/2 |
| OM | Male thread port, o-ring on stud, “S” Series Metric threads. | ISO Connections for fluid power and general use. Ports and stud ends with ISO 261 threads and o-ring sealing. Heavy duty (S Series) stud ends. |
| P | Male thread port, seal on threads NPTF male pipe thread |
SAE J514 male Dryseal American Standard Taper (NPTF) pipe SAE J476a Threads, ANSI B1.20.3, FED-STD-H28/8 |
| PF | Female thread port, seal on threads NPTF female pipe thread |
SAE J514 female Dryseal American Standard Taper (NPTF) pipe SAE J476a Threads, ANSI B1.20.3, FED-STD-H28/8 |
| PU | Female thread port union. Seal on 60° male cone. Swivel nut – NPSM straight pipe thread | SAE J514 NPSM straight pipe thread. ANSI B1.20.3, FED-STD-H28/8 |