Solder Pump Inlet: Temperature Range 250-350°C

Component Specifications

Definition

The Solder Pump Inlet is a critical component in wave soldering machines that regulates the entry of molten solder into the pump chamber. It ensures consistent flow rates, prevents turbulence, and maintains proper solder temperature during the pumping process. This component typically features a tapered or flared design to optimize fluid dynamics and minimize oxidation of the molten solder.

Working Principle

Operates on fluid dynamics principles to create a controlled, laminar flow of molten solder from the solder pot into the pump mechanism. The inlet's geometry reduces turbulence and maintains consistent pressure, allowing the pump to generate a stable solder wave for PCB assembly.

Materials

Stainless steel (typically 316L or 304 grade) or titanium alloy with high-temperature resistance up to 400°C. Surface may be coated with anti-wetting materials to prevent solder adhesion.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Flow Rate	10-100 L/min
Inlet Diameter	15-50 mm
Surface Finish	Ra ≤ 0.8 μm
Connection Type	Flanged or threaded
Pressure Rating	0.5-2.0 bar
Temperature Range	250-350°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 9453, DIN 8516

Parent Products

This component is used in the following industrial products

Solder Pot

The solder pot is a critical component of a wave soldering machine that maintains a reservoir of molten solder at a controlled temperature.

View Product Details

Engineering Analysis

Risks & Mitigation

Thermal fatigue from temperature cycling
Oxidation buildup reducing flow efficiency
Mechanical wear from abrasive solder particles
Improper installation causing leaks

FMEA Triads

Trigger: Thermal cycling stress
Failure: Crack formation in inlet body
Mitigation: Use materials with proper thermal expansion coefficients and implement gradual temperature changes

Trigger: Solder oxidation accumulation
Failure: Reduced flow rate and inconsistent solder wave
Mitigation: Regular cleaning schedule and use of nitrogen blanketing systems

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.1 mm on critical dimensions, ±2°C temperature control

Test Method

Flow rate testing per ISO 9453, pressure testing at 1.5x operating pressure, thermal cycling tests

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Solder Pump Inlet

Manufacturer profiles associated with Solder Pump Inlet.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What maintenance is required for solder pump inlets?

Regular inspection for oxidation buildup, cleaning with approved solvents, and checking for wear or deformation at high-temperature contact points. Replacement is typically needed every 6-12 months depending on usage.

Can solder pump inlets be used with different solder alloys?

Yes, but material compatibility must be verified. Stainless steel inlets work with most tin-lead and lead-free alloys, but specialized coatings may be needed for certain aggressive alloys.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Solder Pump Inlet