Pipe Clamp Schedule and BOM Example for Hydraulic Skids

Hydraulic skids concentrate pumps, manifolds, filters, accumulators and tube runs into a compact frame. The clamp order is often small compared with the main equipment, but a missing weld plate or wrong bore can stop assembly as effectively as a missing valve.

A clamp schedule prevents that by listing each support point as a purchasable item. It links the line ID and tube OD from the drawing to the correct DIN 3015 series, mounting method, hardware and quantity. The result is a BOM that procurement can quote and the workshop can install.

Engineering assessment

A hydraulic skid clamp schedule converts each line support into a purchasable BOM row: line ID, tube OD, clamp series, body material, mounting base, cover plate, bolts, quantity, location and RFQ remarks.

Use for: Use for hydraulic power units, lubrication skids, manifold frames and preassembled equipment modules.

Boundary: The example schedule is commercial and layout guidance; final support loads and spacing still require project engineering review.

Typical skid clamp assemblies

Exploded DIN 3015 standard clamp assembly for hydraulic skid BOM line items — Standard assembly BOM

Twin pipe clamp for paired hydraulic supply and return lines on compact skids — Twin-line support

Heavy series pipe clamp with welded base plate for pump outlet or large skid line — Heavy point support

Example clamp schedule for a compact hydraulic skid

Line / Location	Tube OD	Duty	Clamp Selection	BOM Scope
P-101 outlet	38 mm	Pressure pulse, near pump	DIN 3015-2 heavy, PA body	Body + cover plate + weld plate + bolts
Return pair R-201/R-202	16 / 16 mm	Parallel low-pressure lines	DIN 3015-3 twin clamp	Twin body + shared cover + rail nut
Filter branch F-301	25 mm	Service access required	DIN 3015-1 standard	Body + cover + bolts; rail mounted
Manifold drain D-401	10 mm	Small tube, compact routing	DIN 3015-1 standard or twin if paired	Body-only spare or complete point as required

This is an example format, not a universal spacing table. The actual series and spacing depend on tube mass, vibration, mounting stiffness and project rules.

What columns a skid clamp schedule should include

At minimum, include line ID, support location, tube OD, tube material, fluid or function, pressure or vibration note, clamp series, body material, mounting method, hardware scope, quantity and drawing reference. If the skid uses both rail-mounted and welded-base clamps, keep those methods in separate rows so the BOM does not mix incompatible hardware.

When to use standard, heavy or twin series on skids

Standard series is usually enough for small and medium tubes on stable frames. Heavy series is reviewed near pump outlets, accumulators, large OD tubes, long spans or strong vibration. Twin series is useful for paired small lines that share the same route, such as supply/return or pilot pairs, but avoid it when two lines need independent service access.

Turn the schedule into a purchasing BOM

For purchasing, each schedule row should expand into the parts that will arrive in the box: body halves, cover plate, bolts, washers, base plate or rail nut, rail length, stacking parts, locking parts and labels. If the workshop expects a kit by line number, state that in the RFQ so packing follows the installation sequence.

RFQ notes that reduce rework

Add notes for vibration source, paint or coating on the tube, outdoor or washdown exposure, stainless hardware requirement, certificate scope and whether the skid will be shipped fully assembled. Shipping fully assembled may require stronger locking methods and packing protection than a loose parts order.

Frequently asked questions

What is a pipe clamp schedule for a hydraulic skid?

It is a line-by-line list of clamp points for the skid: line ID, tube OD, support location, clamp series, body material, mounting hardware and quantity. It turns layout information into a purchasable BOM.

Should a skid BOM combine standard, heavy and twin clamps?

Yes. Small instrumentation or return lines may use standard or twin clamps, while pump outlet, manifold and larger lines may need heavy series or cushioned clamps. The schedule should identify the reason for each series choice.

What should I send to get a quotation from a skid clamp schedule?

Send the schedule, skid drawing or marked layout, tube OD list, quantity, mounting surface, environment, vibration notes and required certificates. Photos or a simple sketch help when the skid is already built.