Filling Nozzles for Rotary Bottle Fillers | Specifications & Selection

Product Specifications

Technical details and manufacturing context for Filling Nozzles

Definition

Filling nozzles are critical components of sanitary rotary bottle fillers that precisely control the flow of liquid products into bottles or containers. They interface directly with the container opening to ensure accurate volumetric filling while maintaining hygienic conditions and preventing product contamination or spillage. These nozzles are typically manufactured from stainless steel 316L, with a hygienic surface finish of Ra ≤ 0.4 μm, and are designed for clean-in-place (CIP) and steam-in-place (SIP) processes up to 121°C. The nominal diameter ranges from 10 to 50 mm, matching the bottle neck opening, and the connection type is a sanitary tri-clamp (ISO 2852) in sizes from 25 to 51 mm. Operating pressure is between 1.0 and 1.6 MPa, with a flow rate of 5 to 100 L/min depending on product viscosity. The sealing material is EPDM, compliant with FDA 21 CFR 177.2600, and the temperature range for operation is -10°C to 90°C. The repeatability of filling volume is ±0.5%, ensuring consistent product quantities. The weight of the nozzle assembly ranges from 0.5 to 2.0 kg, and the IP rating is IP65 (IEC 60529) for washdown resistance. These nozzles are used in rotary fillers where they open and close valves to control liquid flow from the product tank. During the filling cycle, the nozzle descends to seal against the container opening, opens to allow precise liquid dispensing, then closes and retracts. Some designs incorporate vacuum or pressure systems to control flow rates and prevent dripping. When selecting a filling nozzle, it is essential to verify the specific dimensions, flow rates, and standards with the manufacturer, as these parameters are reference ranges and may vary based on the application and model. The directory provides this information for procurement and verification purposes only, and does not imply certification or compliance of any specific product.

Working Principle

Filling nozzles operate by opening and closing valves that control liquid flow from the filler's product tank. During the filling cycle, the nozzle descends to seal against the container opening, opens to allow precise liquid dispensing, then closes and retracts. Some designs incorporate vacuum or pressure systems to control flow rates and prevent dripping. The nozzle's sealing material and surface finish ensure hygienic operation, while the operating pressure and flow rate are set according to product viscosity and container size. Proper maintenance includes regular inspection of seals and surfaces for wear or damage, and verification of repeatability to ensure consistent filling volumes.

Common Materials

Stainless Steel 316L

Technical Parameters

Parameter	Typical range	Notes & selection driver
Nominal Diameter	10–50 mm	Matches bottle neck openingISO 1127
Flow Rate	5–100 L/min	Depends on product viscosity
Temperature Range	-10–90 °C	For CIP/SIP up to 121°C
Sealing Material	EPDM	Food-grade, steam resistantFDA 21 CFR 177.2600
Surface Roughness	Ra ≤ 0.4 μm	Hygienic finishISO 4287
Repeatability	±0.5 %	Filling volume consistency
Connection Type	Clamp 25–51 mm	Sanitary tri-clampISO 2852
Weight	0.5–2.0 kg	Stainless steel body
IP Rating	IP65	Washdown resistantIEC 60529

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

Components / BOM

Nozzle Tip Part
Directs liquid flow into container and seals against container opening

Material: Stainless Steel
Valve Mechanism
Controls opening and closing of liquid flow path

Material: Stainless Steel with PTFE seals
Mounting Flange Part
Secures nozzle to filler carousel and provides product connection

Material: Stainless Steel
Vacuum / Pressure Control Optional
Applies vacuum or pressure at the nozzle to steady the flow rate and stop drips.

Manufacturers of Filling Nozzles

Manufacturer profiles associated with Filling Nozzles.

Sourcing Filling Nozzles from China?

Tell us your specification and target quantity — we will match it against manufacturer records and come back with the factories that fit.

Request manufacturers We manufacture this

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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.

Frequently Asked Questions

What materials are filling nozzles typically made of?

Filling nozzles are commonly made of stainless steel 316L, with a hygienic surface finish of Ra ≤ 0.4 μm. The sealing material is typically EPDM, which is food-grade and steam resistant, compliant with FDA 21 CFR 177.2600.

How do I select the correct filling nozzle size?

The nominal diameter should match the bottle neck opening, typically ranging from 10 to 50 mm. The connection type is a sanitary tri-clamp (ISO 2852) in sizes from 25 to 51 mm. Always verify the specific dimensions with the manufacturer for your application.

What is the operating pressure range for filling nozzles?

The operating pressure range is 1.0 to 1.6 MPa. Confirm the required pressure for your specific product and filler system.

Can filling nozzles be cleaned in place?

Yes, filling nozzles are designed for CIP and SIP processes up to 121°C. The temperature range for operation is -10°C to 90°C. Ensure that the sealing material and surface finish are compatible with your cleaning agents and temperatures.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

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.

Buyer enquiry

Request manufacturing insight for Filling Nozzles

Ask for use case, specification boundaries, supplier type, and RFQ preparation information for this product.

Where it goes: Straight to the CNFX editorial desk, and to the manufacturer if this product is linked to a claimed profile. Nothing is broadcast to a supplier list.
Your details stay here: We do not sell or rent enquiry data, and we do not add you to a mailing list. Used only to answer this request.
No commission, no middleman: CNFX is a directory. We take no cut of any order and never negotiate on a supplier's behalf.
What we don't claim: A listing is not an endorsement. Qualify every supplier and verify every figure yourself before ordering.

pressure:	Up to 10 bar
flow rate:	0.1 to 5 L/min per nozzle
temperature:	-10°C to 120°C
slurry concentration:	Up to 40% solids by weight

Filling Nozzles

Product Specifications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards