Prototype development & qualification

Illustrative component locations: Pump candidate

Numbered locations identify component-family examples. Illustrations do not define dimensions, material grade or interchangeability.

Conceptual part illustration

COMPONENT GUIDE

Liquid-cooling pump housing

Customer-defined FWS or CDU pump position; TCS use requires separate approval

A development assessment for a pressure-containing pump housing where the equipment owner explicitly accepts a copper-alloy route.

Manufacturing & delivery form
Potential complex casting with machining and cleaning, subject to route and sample approval.

No default copper-casting grade or established Zhiren CDU supply is confirmed. Actual equipment may use stainless steel or another approved material.

Material candidates

UNS C90500 Tin bronze

A candidate for specified pump and valve components.

Development candidate only. Obtain written customer approval for the alloy and manufacturing route, then validate the actual coolant, complete wetted-material set, cleanliness and leakage requirements. This grade has no assumed approval for a technology cooling system.

UNS C89833 Bismuth tin bronze

A low-lead alternative to consider where the customer approves the material and manufacturing route.

Development candidate only. Obtain written customer approval for the alloy and manufacturing route, then validate the actual coolant, complete wetted-material set, cleanliness and leakage requirements. This grade has no assumed approval for a technology cooling system.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Loop identity: Identify facility water system (FWS) or technology cooling system (TCS), primary/secondary side and approved equipment drawing.
Coolant and wetted materials: Supply the full coolant specification, water quality, metals, coatings, seals and written material approval.
Housing geometry: Define flow passage, wall sections, port/seal interfaces, machining datums and access for internal cleaning.
Cleanliness criteria: Specify particles, metal-ion release, process residues, internal-surface acceptance and cleaning/packaging verification.
Pressure and sample approval: Define temperature/pressure duty, leakage method/limits, sample plan and component-versus-loop validation responsibilities.
Delivery scope: State accepted casting route, blank or machined form, quantity, material records and change-control requirements.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

Illustrative component locations: Valve candidate

Numbered locations identify component-family examples. Illustrations do not define dimensions, material grade or interchangeability.

Conceptual part illustration

COMPONENT GUIDE

Liquid-cooling valve body

Customer-approved regulating or isolation point on a facility-water or CDU circuit

A drawing-led assessment of a valve body, its wetted surfaces and manufacturing route.

Manufacturing & delivery form
Potential body casting with machining, cleaning and project-specific validation.

Low lead does not establish low ion release or liquid-cooling compatibility. Ordinary water-valve experience is not sufficient approval for a TCS material.

Material candidates

UNS C89833 Bismuth tin bronze

A low-lead alternative to consider where the customer approves the material and manufacturing route.

Development candidate only. Obtain written customer approval for the alloy and manufacturing route, then validate the actual coolant, complete wetted-material set, cleanliness and leakage requirements. This grade has no assumed approval for a technology cooling system.

UNS C90500 Tin bronze

A candidate for specified pump and valve components.

Development candidate only. Obtain written customer approval for the alloy and manufacturing route, then validate the actual coolant, complete wetted-material set, cleanliness and leakage requirements. This grade has no assumed approval for a technology cooling system.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Valve and loop definition: Provide valve function, flow direction, loop identity and OEM-approved drawing revision.
Material approval: List every wetted metal, coating and seal, coolant chemistry and the customer's allowable material/processing routes.
Seat and interfaces: Define seat datums, body/bonnet joint, connections, sealing surfaces and machining allowance.
Cleanliness and release: Specify particle, residue and ion-release criteria, cleaning verification and protective packaging.
Leakage and duty: Provide temperature/pressure, leak-test method and limits, sample approval and complete-valve test responsibility.
Deliverable: Define casting/alternative route, machining scope, quantity, traceability and permitted material or process changes.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

Illustrative component locations: Filter candidate

Numbered locations identify component-family examples. Illustrations do not define dimensions, material grade or interchangeability.

Conceptual part illustration

COMPONENT GUIDE

Liquid-cooling filter housing

Specified filtration location on a CDU or facility-water circuit

A housing-route study around the OEM's filter element, service access and contamination-control requirements.

Manufacturing & delivery form
Potential complex casting with machining and cleaning; compare approved stainless-steel or other routes.

Filtration performance belongs to the complete filter design. Submit the approved housing material and manufacturing specification; copper alloy is not a default selection.

Material candidates

UNS C89833 Bismuth tin bronze

A low-lead alternative to consider where the customer approves the material and manufacturing route.

Development candidate only. Obtain written customer approval for the alloy and manufacturing route, then validate the actual coolant, complete wetted-material set, cleanliness and leakage requirements. This grade has no assumed approval for a technology cooling system.

UNS C81100 Cast copper

A possible manufacturing-study material only after the customer accepts a cast-copper route.

Development candidate only. Obtain written customer approval for the alloy and manufacturing route, then validate the actual coolant, complete wetted-material set, cleanliness and leakage requirements. This grade has no assumed approval for a technology cooling system.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Filter location and element: Identify FWS/TCS side, element design, removal access, retention and filter-seat geometry.
Material and coolant: Provide the approved wetted-material list, coolant composition and accepted housing manufacturing routes.
Housing layout: Define passages, ports, cover joint, wall sections, machining datums and internal access.
Contamination criteria: Specify particle limits, residual machining/casting material, surface acceptance and cleaning verification.
Sealing acceptance: Define operating conditions, cover-seal requirements, leak-test method/limits and verification responsibility.
Sample release: Provide prototype quantities, material and inspection records, packaging and customer approval gates.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

Illustrative component locations: Distribution studies

Numbered locations identify component-family examples. Illustrations do not define dimensions, material grade or interchangeability.

Conceptual part illustration

COMPONENT GUIDE

Flow-distribution housing

Drawing-defined multiport distribution position within approved equipment

A development study for a compact multiport body whose passages and cleaning access may support a casting route.

Manufacturing & delivery form
Assess castability and internal cleaning before machining and washing; compare machined-block and fabricated alternatives.

A welded, additively made or machined distributor must not be labelled an investment casting. No residue-free result is presumed.

Material candidates

UNS C81100 Cast copper

A possible manufacturing-study material only after the customer accepts a cast-copper route.

Development candidate only. Obtain written customer approval for the alloy and manufacturing route, then validate the actual coolant, complete wetted-material set, cleanliness and leakage requirements. This grade has no assumed approval for a technology cooling system.

UNS C89833 Bismuth tin bronze

A low-lead alternative to consider where the customer approves the material and manufacturing route.

Development candidate only. Obtain written customer approval for the alloy and manufacturing route, then validate the actual coolant, complete wetted-material set, cleanliness and leakage requirements. This grade has no assumed approval for a technology cooling system.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Passage and port map: Supply all branches, connections, wall sections, flow directions and the approved 3D/section drawings.
Route approval: Confirm whether casting is allowed and identify the baseline machined or fabricated design for comparison.
Internal access: Define core/shell removal access, enclosed passages, inspection access and internal-surface acceptance.
Wetted compatibility: Specify coolant, loop identity, material/coating/seal set and the customer's written alloy approval.
Cleaning and leak checks: Define particle, ion and residue limits, cleaning evidence, leak method/limits and responsible parties.
Prototype decision: Set sample quantity, acceptance gates, traceability and any flow-distribution validation before production approval.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

Conceptual part illustration

COMPONENT GUIDE

Manifold block — casting-route study

Compact manifold body supported by a customer drawing

Compares a near-net cast body with an approved machined-stock route for a particular distribution layout.

Manufacturing & delivery form
Potential near-net casting plus machining and cleaning; bar/plate machining remains a separate route.

Long rack manifolds are not automatically copper castings. Casting-route acceptance and cleanability must be demonstrated for the actual design.

Material candidates

UNS C81100 Cast copper

A possible manufacturing-study material only after the customer accepts a cast-copper route.

Development candidate only. Obtain written customer approval for the alloy and manufacturing route, then validate the actual coolant, complete wetted-material set, cleanliness and leakage requirements. This grade has no assumed approval for a technology cooling system.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Compact body layout: Provide the passage network, port positions, plugs/covers, machining datums and installation envelope.
Manufacturing comparison: State the approved baseline route and whether a cast-copper proposal is acceptable.
Cleaning access: Identify enclosed features, removal/inspection access, residual-core risks and internal-surface requirements.
Loop and material: Specify FWS/TCS identity, coolant and all wetted materials with written material approval.
Functional validation: Allocate flow distribution, pressure drop, leakage and cleaning acceptance, with criteria supplied by the OEM.
Sample release: Define quantity, material/inspection records, packaging and the approval needed before repeat manufacture.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

Illustrative component locations: Adjacent cold plate

Numbered locations identify component-family examples. Illustrations do not define dimensions, material grade or interchangeability.

Conceptual part illustration

COMPONENT GUIDE

Copper cold plate — adjacent component

Heat-transfer interface at a server CPU/GPU or other specified source

Identifies the manufacturing and validation inputs for a copper cold plate as an adjacent technology.

Manufacturing & delivery form
Commonly involves machining or forming plate/block stock and joining; any casting proposal needs a separate development study.

This record does not claim established cold-plate, microchannel, brazing or thermal-design capability at Zhiren.

Material candidates

UNS C11000 Wrought copper

A reference for machined or formed copper cold-plate structures.

An adjacent manufacturing route, not a casting grade or confirmed Zhiren cold-plate capability. C10200 requires a separate customer specification.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Thermal design inputs: Provide heat-source/contact geometry and the OEM's required thermal resistance and pressure-drop criteria.
Channels and base: Define channel geometry, base thickness, mounting, flatness and surface requirements.
Material and joining: Specify wrought-copper grade, joining process, coating and accepted manufacturing routes; no automatic cast-grade substitution.
Coolant compatibility: Identify the coolant, full wetted-material list and corrosion/compatibility validation responsibilities.
Cleanliness and sealing: Define particles, residues, leak-test criteria, cleaning verification and protective packaging.
Feasibility boundary: Identify which design, machining, joining and performance tests need a qualified supplier before assessing a proposal.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

Illustrative component locations: Adjacent quick-disconnect

Numbered locations identify component-family examples. Illustrations do not define dimensions, material grade or interchangeability.

Conceptual part illustration

COMPONENT GUIDE

Quick-disconnect coupling — adjacent component

Serviceable connection in a liquid-cooling loop or server module

Identifies the component interfaces, material approval and verification requirements for a proposed quick-disconnect body.

Manufacturing & delivery form
Complete couplings may include turned bodies, internal valves, springs and seals; assess any proposed body route individually.

No general copper-casting grade, complete-coupling capability or UQD qualification is established. A component proposal does not certify the finished connection.

Material candidates

Customer specified Approved material to be defined

No default copper-casting alloy is established for this component.

Obtain the approved metal, seal and coating specifications from the equipment owner before assessing a manufacturing route.

Confirm the drawing, actual duty, material standard and manufacturing condition. Material substitutions require customer approval, and supply scope is agreed after component review.

Component RFQ requirements

Interface definition: Provide approved connection series, mating halves, dimensions, interchangeability requirements and included body scope.
Materials and seals: Specify approved metals, coatings, seals, coolant and complete wetted-material compatibility requirements.
Connection duty: Define repeated connect/disconnect duty, service conditions and required sealing-life validation.
Leakage acceptance: Specify connected/disconnected leakage or drip criteria, test procedure and complete-product validation owner.
Cleanliness: Define particles, process residues, cleaning and protected packaging requirements.
Manufacturing feasibility: State the allowed body route, component drawings, sample plan and supplier qualification needed for each operation.

Start with your drawing, specified alloy and quantity. Include the required delivery condition and acceptance records so the manufacturing and inspection scope can be reviewed.

Prepare a component enquiry Open component specification guide

Locate the part.
Define the requirements.

Select a group. Identify your part.

Prepare the technical RFQ.

Review tin-bronze grades.

Prototype development & qualification

Locate the part.Define the requirements.

Select a group. Identify your part.

Prepare the technical RFQ.

Review tin-bronze grades.

Locate the part.
Define the requirements.