Document Classification — Public · Engineering Procurement
SHEET
01 / 06
SCALE
N.T.S.
STANDARD
DIN 3015
UNITS
mm · ISO 2768-m
DOCUMENTWEC-PSO-001
SUBJECTPipe Clamps · Wind
REVISIONB · 2026-05
STANDARDDIN 3015 / 1·2·3
§ 00 — COVER / PRODUCT SPECIFICATION OVERVIEW

Engineered for Wind. Built to DIN 3015/01.

This document presents the catalogue, dimensional limits, applicable standards and ordering interface for pipe-clamps installed in the hydraulic, cooling and pitch-control systems of offshore and onshore wind turbines. Issued for engineering procurement under DIN 3015 / 1·2·3 and IEC 61400-1 ed.4.

SERIESHS · DIN 3015-1
MATERIALPA66-GF / S355
DRAWINGOn request
[1]DIN 3015 — Pipe clamps, parts 1, 2, 3.
[2]IEC 61400-1 ed.4 — Wind turbines design requirements.
[3]EN 10204 type 3.1 — Material certification.
[4]ISO 9227 — Salt spray corrosion test (≥ 1440 h).
[5]DNV ST-0126 — Offshore marine structures (design ref.).
§ 01
APPLICATION ZONES · WHERE OUR CLAMPS LIVE INSIDE A TURBINE
SHEET 02 / 06 · SCROLL ↓
FIG. 02
Turbine assy.
SCALE
1 : 1200
REFERENCE
IEC 61400-1
SECTION
ELEV. A-A
ZONE A.01 · NACELLE

Nacelle Cooling Loop

Water-glycol coolant headers circulate between the generator cold-plates, power converter and nacelle roof heat exchangers at loop temperatures from 45 °C to 70 °C. Generator and gearbox meshing excitation reaches 200 Hz — DIN 3015 cushion inserts damp vibration transmission to structure and maintain preload without creep across a 20-year service life.

Pipe rangeØ 60.3 – 168.3 mm
Temperature−40 / +110 °C
InsertEPDM · Shore-A 70
BodyPA66-GF · UL94 V-0
SeriesDIN 3015-1 · Heavy
Fastenermetric hex · gr. 8.8 · HDG
Design basisDIN 3015-1 · IEC 61400-1
ZONE B.02 · TOWER

Tower Hydraulics

Pitch-backup accumulators, yaw-brake calipers and rotor-brake circuits route stainless hydraulic lines the full height of the tower at system pressures of 160–250 bar. Twin-clamp pairs with stand-off brackets accommodate differential thermal expansion between the steel tower shell and hydraulic tubing while absorbing low-frequency tower sway.

Pipe rangeØ 12 – 42 mm
PressurePN 250 · design rated
MountStand-off · 30 / 60 mm
MaterialAISI 316L · PA66-GF
Design basisDIN 3015-3 · PN-rated
SeriesDIN 3015-3 · Stand-Off
Fastenermetric hex · gr. 8.8 · HDG
ZONE C.03 · HUB

Pitch & Yaw Conduits

Hydraulic pitch circuits inside the rotating hub carry accumulator pressure near 200 bar and experience blade-passing excitation at 4–10 Hz with every revolution. Insulated and series-stacked DIN 3015 clamps isolate pitch conduits from signal cables and prevent fretting wear under the continuous rotating-frame load cycle.

Pipe rangeØ 6 – 38 mm
InsulationPA66-GF · halogen-free
SeriesDIN 3015-2 · Twin
Fastenermetric hex · gr. 8.8 · zinc-plated
Design ref.IEC 61400-1 ed.4
ZONE D.04 · OFFSHORE

Offshore / Marine

Pipe supports inside the transition piece and J-tube face combined chloride immersion, wet-dry cycling and cathodic-protection current gradients. 316L marine series clamps with sealed EPDM inserts — referencing DNV-GL ST-0126 offshore support structure requirements — prevent crevice corrosion at load-bearing contact surfaces and are compatible with impressed-current cathodic protection systems.

MaterialAISI 316L · A4-80 bolts
Design ref.DNV ST-0126 · by design
CoatingISO 12944 C5-M
Salt sprayISO 9227 method · ≥ 1,440 h target
FastenerA4-80 hex · full 316L assembly
Design basisDIN 3015 · IEC 61400-1
XREF → see §02 / M-400 · §03 / DNV-GL
A.01Nacelle cooling — DIN 3015-1 Heavy.
B.02Tower hydraulics — DIN 3015-3 Stand-Off.
C.03Pitch / Yaw — DIN 3015-2 Twin.
D.04Offshore — designed to DNV ST-0126.
SCROLL DIAGRAM
UPDATES AS YOU READ ↑
§ 02
PRODUCT SERIES REGISTER · DIMENSIONAL & MATERIAL DATA
SHEET 03 / 06 · 6 ROWS
SERIES COUNT
6
SIZE STEPS
89
CAD AVAIL.
STEP · IGES
QMS
ISO 9001:2015
CODE FIG. SERIES · DESCRIPTION PIPE Ø MATERIAL PN STANDARD DATA SHEET
HS-100
Heavy Series HSHeavy-duty single-pipe clamp. Workhorse of nacelle cooling lines.DEFAULT FOR NACELLE COOLING Ø 21 – 273 mm20 dia. steps PA66-GFS355 baseplate 100BAR DIN 3015-1HEAVY On request
TS-200
Twin Series TSSide-by-side twin clamp. Pitch hydraulic feed + return on one mount.DEFAULT FOR PITCH/YAW Ø 6 – 60 mm28 dia. steps PP · PA66-GFEPDM insert · 8.8 bolts 250BAR DIN 3015-2TWIN On request
SO-300
Stand-Off SOInsulated stand-off clamp for high-temperature cooling mains.DEFAULT FOR TOWER HYDRAULICS Ø 76 – 273 mm14 dia. steps PA66-GF + ceramicS355 stem · 8.8 bolts 160BAR DIN 3015-3STAND-OFF On request
M-400
Marine MAISI 316L marine clamp. Designed to DNV ST-0126 · transition piece.DEFAULT FOR OFFSHORE Ø 33 – 219 mm11 dia. steps AISI 316LA4-80 bolts 160BAR DNV ST-0126by design On request
LS-050
Light Series LSLight series for control-air and small instrumentation lines.CONTROL · INSTRUMENT Ø 6 – 42 mm16 dia. steps PPNBR / EPDM · 8.8 bolts 40BAR DIN 3015-1LIGHT On request
EQ-???
Engineered EQCustom geometries — design, FEM, prototype, type-test in 6 weeks.CUSTOM · NON-STANDARD By drawingany range By specFEM · Ansys per spec Customper RFQ RFQ →
[a]Default mappings reflect typical OEM specifications; substitutions on request.
[b]All series available with PA66-GF / 316L / aluminium bodies.
[c]Full SKU index on request.
[d]CAD library: STEP / IGES / SolidWorks / Inventor — product-specific files available on request via engineering inquiry →
§ 03
STANDARDS · CERTIFICATIONS · DOCUMENT REGISTER
SHEET 04 / 06
REGISTERED
9 standards
CERTIFIED
2026-04
AUDITOR
Jiangsu HDTD
SURV. AUDIT
2027-04
CODE TITLE ISSUING BODY CERT N° VALID PDF
DIN 3015-1Pipe Clamps · Series Light & HeavyDimensional & test requirementsDIN · Beuth VerlagAdopted
DIN 3015-2Pipe Clamps · Series TwinTwin-mount geometryDIN · Beuth VerlagAdopted
DIN 3015-3Pipe Clamps · Stand-Off SeriesInsulated / high-tempDIN · Beuth VerlagAdopted
DNV ST-0126Offshore Wind Turbine Support StructuresMarine design referenceDNVDesign ref.
ISO 9001:2015Quality Management SystemsMfg. of pipe clamps · GB/T19001-2016Jiangsu HDTD53826Q00156R010to 2029-04View
IATF 16949Automotive QualityDrivetrain & gearbox supply chainIATFDesign ref.
IEC 61400-1 ed.4Wind Turbines · Design RequirementsComponent design referenceIECDesign ref.
ISO 9227Salt Spray Corrosion Test≥ 1,440 h design targetISODesign ref.
EN 10204 / 3.1Material Test CertificationPer-batch trace · on requestENOn request
[e]REACH · RoHS · ATEX where applicable.
[f]Certificate PDFs available on request via §05.
[g]Audit history: certified 2026 · annual surveillance.
§ 04
KEY METRICS · SERIES, RANGE, TEMP, LIFE
SHEET 05 / 06
M.01 — Product series
6series
Range · HS / LS / TS / SO / M / EQ
Basis · DIN 3015 / 1·2·3
Custom · EQ engineered
M.02 — Diameter range
Ø 6to406mm
Range · nominal pipe OD
Steps · 89 discrete sizes
Source · DIN 3015 / 1·2·3
M.03 — Operating temp
−40to+120°C
Insert · EPDM Shore-A 70
Body · PA66-GF / 316L
Basis · material spec
M.04 — Service life
25yrs
Basis · IEC 61400-1 design life
Scope · design target
Note · per standard
§ 05
ENGINEERING INQUIRY · REQUEST FOR QUOTATION
SHEET 06 / 06 · RESPONSE ≤ 48 h
Inquiry form · WEC-INQ-001

Send specs.
Get a quote in 48 hrs.

Reply directly from an engineer — not a sales template. Attach a drawing or describe the line; we return a quote with DIN reference, material certificate type, and lead time.

Direct line — engineering+86 18361463621
HoursMon–Fri · GMT+8
ResponseEngineer reply ≤ 48 h
§ 05.1 · Full name
§ 05.2 · Company
§ 05.3 · Work email
§ 05.4 · Country
§ 05.5 · Application zone (multi)
§ 05.6 · Pipe OD
§ 05.7 · Quantity / year
§ 05.8 · Notes · drawing reference
Engineer response within 48 h
§ 06
FREQUENTLY ASKED QUESTIONS
SHEET 07 / 07
FAQ
Engineering & procurement
Q.01How do I specify the correct clamp for my pipe?

Specify by pipe outer diameter (OD) — not nominal bore or NPS. Include OD, wall thickness, medium, operating temperature and pressure in your RFQ. Our engineers confirm the DIN series and insert grade in the first reply.

Q.02Are your DIN 3015 clamps interchangeable with other suppliers?

The HS, LS, TS and SO series are dimensionally standardised to DIN 3015-1 / 2 / 3. Mounting footprints and bolt patterns are interchangeable with other DIN 3015-compliant clamps.

Q.03Do you provide CAD files (STEP / IGES)?

Yes. Product-specific STEP and IGES files are available on request. Submit an engineering inquiry → with the series and OD and we will attach the files to our reply.

Q.04Are material test reports (EN 10204 3.1) available?

Material test reports per EN 10204 3.1 are available for the 316L stainless series (M-400) and can be supplied with the order. Request in the RFQ notes field.

Q.05Can you supply non-standard or custom geometries?

Yes — the EQ Engineered series covers custom geometries, special centre distances and non-standard profiles. Submit a drawing or sketch via the inquiry form; we respond on feasibility within 48 hours and can deliver samples in approximately 6 weeks from drawing approval.

Q.06What is the typical lead time for standard series?

Lead times depend on series, diameter and quantity. Please include your required delivery date in the RFQ and we will confirm stock availability and production schedule in the first reply.

Q.07Do you hold DNV or offshore type approval?

The M-400 marine series is designed to DNV ST-0126 as a design reference. Project-specific DNV type approval can be arranged on request — note this requirement in your inquiry.

Q.08How quickly do you respond to an RFQ?

We target an engineer reply within 48 hours. The first response confirms DIN reference, material grade, lead time and, where applicable, an indicative unit price. No sales templates — direct engineering reply.

All specs subject to confirmation in written quotation.
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