We machine actuator mounts, drive couplings and instrument supports for oil and gas equipment builders. Our scope covers drawing-defined mechanical components and assembly tooling, with the mounting geometry, material condition and finished interfaces specified for your equipment.
We supply the components between the selected actuator, valve and instrument—not a complete valve package. The mechanical interface and equipment drawings define each part in the mounting assembly.
Bridge brackets and mounting plates connect the actuator flange to the valve-side support. We machine the two mounting faces, bolt patterns and central clearance while retaining access to the coupling and fastening points.
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Couplings connect the specified actuator output to the driven stem or shaft. The two drive forms, angular relationship and engaged lengths define the connection; the outside diameter mainly sets its clearance inside the bracket.
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Adapters place the position indicator or sensor over its intended drive axis. We machine the fixing pattern, locating hub and stand-off features to the selected instrument interface.
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Support plates carry local instruments and auxiliary modules on the equipment frame. Hole spacing, offset faces and edge clearance position the instrument without using its connected tubing or cable as a mechanical support.
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Separate covers and empty housings protect or support mechanical assemblies. We machine cover seats, fastening features and clearance openings; electrical protection and enclosure approval are outside this component scope.
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Fixture plates and locating details position mounting components during OEM assembly or dimensional checks. The fixture references the actual bolt pattern, locating diameter or mounting face used by the component.
Discuss this componentThese parts solve different installation tasks. The actuator mount carries a drive connection; the instrument adapter establishes a sensor position; the assembly fixture locates a component while the OEM builds or checks it.
We machine the bracket and coupling as separately defined parts. The bracket establishes the mounting position, while the coupling connects the two drive forms. Their dimensions must work together without making the coupling an unintended axial stop.
For a part-turn arrangement, the actuator model and selected flange option provide the starting interface. The valve-side attachment, coupling geometry and installation space complete the machining definition.
The actuator-side pattern and valve-side attachment remain separate details, even when their nominal flange sizes look similar.
An access window allows the specified fastening and assembly operation after the actuator and bracket are positioned.
An indicator adapter needs the right mounting pattern and the right shaft height. The pattern locates the fasteners; the height establishes where the instrument meets the actuator output.
For frame-mounted instruments, the support geometry also leaves space to remove a cover and reach the fasteners. Cable glands, connectors and tubing bends are included in the installation envelope supplied by the equipment designer.
Adapter dimensions follow the actual instrument variant. A matching bolt pattern alone does not establish the drive connection.
The part design reserves the required removal path rather than only enough space for the assembled instrument.
We machine tooling that references the component’s working interface. A locating pilot can center an adapter, while a separate feature establishes its angular position before the mounting holes are fastened or inspected.
A fixture can also hold a bracket at a known mounting height for a coupling clearance check. It locates the components for that check; it does not replace a torque or equipment performance test.
Defined support and locating contacts distinguish the seated position from the force used to clamp the part.
The fixture leaves the coupling, mounting faces and specified measurement points reachable in the assembled position.
We keep geometry trials and released production parts under distinct revisions, especially when an actuator or instrument option changes during equipment development.
A sample bracket or adapter checks seating, fastener access and the available installation space against the selected mating equipment.
The bracket, coupling and indicator adapter are checked together for engagement and clearance. The OEM approves the combined geometry before it becomes the repeat-order definition.
The accepted models, material conditions and final dimensions define the batch. A replacement actuator option triggers an interface comparison before the same part numbers are reused.
A light instrument support and a loaded drive coupling do not have the same material requirement. We retain the selected grade and stock condition; the values below distinguish relevant material properties without assigning an equipment load rating.
| Grade / condition | Reference parameters | Component / stock context |
|---|---|---|
| 6061-T6 / T6511 extrusion | Yield ≥240 MPa; density ≈2.71 g/cm³ | Aluminum instrument supports and covers |
| 316L / EN 1.4404 | Elastic modulus 200 GPa at 20°C; mean CTE 16 µm/(m·K), 20–100°C | Stainless mounts and instrument details |
| 42CrMo4 +QT · Ovako 327A | Yield ≥650 MPa; 270–320 HB | Round bar: stock Ø >40 to <100 mm; specified drive components |
| INCONEL alloy 625 · annealed | Nominal tensile 827–1,034 MPa; 145–220 HB | Rod / bar / plate, product sizes ≤4 in; specified special-alloy parts |
Material references: Hydro Alloy 6061 extrusion; Outokumpu Supra 316L/4404 physical properties; Ovako 42CrMo4 variant 327A +QT round bar; Special Metals INCONEL alloy 625, annealed rod/bar/plate nominal room-temperature properties. Stock-size ranges identify the source data, not machining capacity. Nominal values are distinct from specified minima.
We separate broad mounting surfaces from rotational and angular drive features so each is checked against the references that matter in the assembly.
Milling establishes flange faces, mounting patterns, pockets and access windows. The two sides of a bridge bracket share a defined datum system rather than independent hole locations.
CNC milling servicesTurning produces the outside diameters, shoulders and bores of coupling and adapter parts. Their non-round drive details remain explicitly defined in the same released component model.
CNC turning servicesMulti-face brackets may need indexed machining to reach an offset seat or side opening. We retain the relationship between those features and the main mounting face through the machining setup.
5-axis machining optionsThe component drawing needs to identify the features that position the equipment and transmit the specified motion. The outside shape alone does not define an interchangeable mounting part.
A locating pilot and a bolt pattern do different jobs. The pilot defines the seating location; the fasteners secure the joint. A recess must also accommodate any specified spigot without preventing face contact.
The distance between mounting faces determines the available drive engagement. The coupling must reach the specified drive surfaces while retaining the axial clearance shown in the assembly design.
Square, keyed and other drive forms need their size, usable depth and orientation. We relate that orientation to the mounting pattern so the connection corresponds to the equipment’s defined position.
Access openings and recessed seats leave room for the specified wrench, fastener and removal movement. A fully assembled model should not conceal a fixing that still needs to be tightened.
Surface treatment follows the component and exposure requirements. The finishing scope also identifies which seats, drive surfaces and threads retain their specified dimensions.
Entry chamfers and edge breaks ease assembly without shortening the required working engagement. Coupling corners and internal reliefs follow the mating drive geometry.
The drawing distinguishes coated exterior areas from masked locating and drive surfaces. Where anodizing is specified for aluminum, its dimensional change belongs in the allowance for the finished interface.
A steel coupling specified in the +QT condition is not interchangeable with an unspecified steel blank. Any subsequent treatment and final hardness requirement remain tied to the released material and dimensional specification.
The following dimensions identify particular actuator and instrument interfaces. We check the supplied component against its released mating-equipment drawing, including the chosen flange or adapter option.
Pattern size, locating engagement and drive position are separate acceptance features. The inspection scope identifies their dimensions, datums and final surface condition.
| Interface / feature | Reference dimensions | Acceptance basis |
|---|---|---|
| AUMA actuator-side F05 pattern | Bolt circle Ø50 mm; 4 × M6 positions | Equipment drawing; hole locations and thread definition |
| AUMA actuator-side F07 pattern | Bolt circle Ø70 mm; 4 × M8 positions | Equipment drawing; hole locations and thread definition |
| AUMA optional F07 spigot | Ø55 mm; projection 2.5 mm | Selected spigot option; diameter, height and face seating |
| Festo SRBC A3 adapter | 30 × 80 mm pattern; shaft height 20 mm | Selected device variant; pattern and height |
| Drive coupling engagement and orientation | Length in mm; angle in degrees; drawing limits | Mating drive geometry and mounting-pattern datum |
Selected equipment references: AUMA SQ(R)05.2 / SQ(R)07.2–AC2, drawing U2.4020 revision 02; Festo SRBC September 2026 catalogue, A3 adapter. These are mating-equipment references, not universal interface dimensions. The component drawing sets hole form, positional tolerances, drive clearances and final surface condition.
This page covers machined mechanical components and tooling. It does not establish API certification, pressure containment, leak tightness or HPHT qualification. Any project qualification or test requirement must be identified separately from the dimensional machining scope.
Two components can share a mounting pattern while using different heights or drive details. Their part references need to preserve those differences when they reach the assembly bench.
Component labels distinguish the bracket, coupling and instrument adapter. A mounting-set reference links the intended parts without treating visually similar variants as interchangeable.
The supplied part revision and specified material condition remain associated with the order. Where heat or batch records are required, the identification and document scope are defined with the purchase requirements.
Packing separates locating pilots, drive sockets and mounting faces from neighboring parts. Protective contact does not conceal the component reference needed for receiving checks.
No. The flange designation identifies only part of the connection. We also need the selected drive form and the valve-side attachment. ISO 5211 covers part-turn actuator attachments; the attachment of an intermediate support to the valve is outside its scope. A complete mounting drawing resolves that remaining interface.
No. A part-turn flange reference does not define a linear actuator connection. A linear arrangement needs its own mounting and driven-connection drawing, including the required motion and clearances. We assess the machined components from that definition rather than extend the part-turn interface values to it.
Yes, a custom drive adapter can be defined that way. State the angle from a named mounting datum and identify the equipment position used as the reference. A square socket turned 45° relative to another has the same nominal size but a different connection orientation; the equipment designer must approve the intended arrangement.
Only when their fixing pattern, shaft height and drive connection agree. An interchangeable top plate or separate adapter variant may address a difference, but it should not force a mismatched shaft height into alignment when tightened. We machine the selected adapter geometry after those interfaces are defined.
No. An alloy name alone does not establish compliance with NACE MR0175 / ISO 15156. The applicable material condition and qualification depend on the specified service environment and standard requirements. The equipment owner’s material specification must identify those requirements; a general machining order does not supply that qualification.
Only when they are listed in the quotation. The bracket, coupling, studs, bolts, dowels and any retention parts should have separate bill-of-material entries. That prevents a machined-parts order from being mistaken for a complete installation kit and leaves the equipment designer in control of fastener grade and engagement.
A mechanical cover is not a substitute for an approved electrical or hazardous-area enclosure. If the part belongs to such an enclosure, its design, permitted modifications and acceptance requirements must come from the responsible equipment manufacturer. We do not infer an IP or explosion-protection rating from a housing shape or material.
Manufacturer dimensions and material values retain their stated product and condition. They are reference data for the selected component definition.
Send the part drawing, material and quantity. Include the actuator or instrument interface drawing where it defines the component geometry.