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DF4-1000 Semi-Automatic Electric-Pneumatic Stand-Up & Spout Pouch Liquid Filling Machine (spout pouch filling machine)

spout pouch filling machine

Model: DF4-1000 ｜ Product Name: spout pouch filling machine Filling Range: 20–1000 ml ｜ Filling Nozzles: 4 nozzles (anti-drip positive shut-off, nozzle diameter 3–12 mm optional) Filling Accuracy: ≤ 0.5% ｜ Single-Nozzle Flow: approx. 20 ml/s Control Mode: Pneumatic operation + electric control (piston type / foot pedal or auto timer switchable / semi-auto and automatic switchable) Voltage: 220 V 50/60 Hz ｜ Pneumatic Components: Taiwan Airtac ｜ Contact Parts: Food-grade 304 stainless steel (316 optional) N.W.: approx. 50 kg ｜ G.W.: approx. 60 kg ｜ Packing Size: 75 × 55 × 55 cm Automation Grade: Semi-auto / automatic (switchable) ｜ Pouch Types: Stand-up pouch, spout pouch, Doypack, regular pouch bag MOQ: 1 set ｜ Payment: T/T 100% ｜ Lead Time: within 10 days Package: Thickened carton, single carton ｜ Warranty: 1 year + lifetime maintenance Delivery Term: EXW Wenzhou

The DF4-1000, manufactured by Wenzhou T&D Packing Machinery Factory, is a semi-automatic electric-pneumatic stand-up and spout pouch liquid filling machine (spout pouch filling machine) designed specifically for filling liquids into spouted flexible packaging such as stand-up pouches, spout pouches, and Doypacks. The machine uses a hybrid scheme of Taiwan Airtac pneumatic components for actuation plus electric control — the pneumatic side handles the filling action (piston push and valve open/close), while the electric side handles control (timer, foot-pedal signal, semi-auto/automatic switching). Compared with purely pneumatic models, it adds an electronic control module for more stable flow and finer filling-volume adjustment. Standard 4-nozzle configuration (1/2 head optional), single-nozzle flow approx. 20 ml/s, filling volume adjustable within 20–1000 ml, filling accuracy ≤ 0.5%; piston-type volumetric filling with bottom anti-drip positive shut-off nozzles (3–12 mm diameter optional) that eliminate nozzle dripping. Contact parts are food-grade 304 stainless steel (316 optional), and seals are food-grade silicone O-rings rated to 200°C (rubber sealing rings optional for corrosive liquids), meeting food-safety requirements. Operation supports switching between foot pedal and auto timer, and semi-auto/automatic modes can be switched freely on the same machine. Suitable for free-flowing liquids — water, oil, juice (no particles), liquid detergent, sauce, wine, liquid cream, and more. Net weight approx. 50 kg, packing size 75×55×55 cm, shipped one machine per thickened carton. MOQ 1 set, T/T 100%, delivery within 10 days; one-year whole-machine warranty + lifetime maintenance.

1. Product Overview

1.1 Product Category

The DF4-1000 belongs to the liquid filling machine / spout pouch filling machine / stand-up pouch filling machine / Doypack filling machine / semi-automatic piston filling machine category, positioned as a semi-automatic multi-nozzle volumetric filling machine for flexible pouches (stand-up pouch, spout pouch, Doypack).

  • By form: Piston type + bottom anti-drip positive shut-off nozzle
  • By control: Pneumatic operation + electric control (pneumatic-operated + electric-controlled), also called "electric-pneumatic integrated" in the industry
  • By automation: Semi-auto / automatic switchable (foot pedal or auto timer)
  • By pouch type: Stand-up pouch, spout pouch, Doypack, regular flexible pouch bag

It can serve as the core filling host of small to medium pouch liquid production lines, and can also be combined with our cappers, labelers, and inkjet coders to form a small pouch packaging line.

1.2 Use Cases

  • Beverages, juice, drinking water in pouches — 20–1000 ml stand-up pouch / spout pouch filling, best results with particle-free liquids
  • Edible oil, olive oil, wine in pouches — free-flowing low-to-medium viscosity liquids
  • Liquid detergent, dish soap, laundry detergent — household chemical pouch filling; rubber sealing rings optional for corrosive versions
  • Sauce, seasoning, liquid cream, ketchup and other thin sauces — low-viscosity thin sauces (high-viscosity pastes are outside this model's range)
  • Cosmetic toner, serum, perfume — low-viscosity small-pouch filling
  • OEM processing, small-brand trial production — MOQ 1 set, ideal for switching between multiple pouch types and specifications
  • Small-batch, multi-SKU e-commerce packaging — four nozzles fill multiple pouches at once, boosting small-line efficiency

1.3 Core Functions

  1. Hybrid pneumatic operation + electric control drive — the air source drives the piston and valves, while the electric control handles timing and switching; more stable timing and finer control than purely pneumatic models
  2. Piston-type volumetric filling — one cylinder per head, filling volume determined by piston stroke, adjustable within 20–1000 ml
  3. Four simultaneous filling nozzles — 4 anti-drip positive shut-off nozzles as standard; 1 head / 2 head / 4 head selectable to order; nozzle diameter 3–12 mm optional
  4. Foot pedal / auto timer dual-mode switching — semi-auto and automatic switchable on the same machine, flexible operation
  5. Food-grade 304 stainless steel contact parts — 316 stainless steel version optional; silicone O-rings rated to 200°C, meeting food-safety requirements; rubber sealing rings optional for corrosive liquids
  6. Bottom anti-drip positive shut-off nozzles — after filling, a cylinder at the nozzle bottom performs a positive shut-off, eliminating dripping and liquid clinging to the pouch mouth
  7. Special filling head lifting device — the nozzle head can be pushed and lifts automatically, adapted for flexible pouch filling and pouch-mouth friendly
  8. Airtac pneumatic components — Taiwan Airtac pneumatic components for reliable performance

2. Core Advantages

Advantage 1 | Pneumatic Operation + Electric Control — More Stable and Finer Than Pure Pneumatic

  • The machine is air-driven (an air compressor is required), handling piston push and valve switching — stable action and overload-resistant
  • An electronic control module handles timing and counting (timer, foot-pedal signal) — more precise and repeatable than purely pneumatic timing
  • Semi-auto / automatic switchable: one machine does the job of two — use semi-auto for small batches and trials, switch to automatic as capacity ramps up
  • Known in the industry as "electric-pneumatic integrated", a differentiating selling point of the DF series over purely pneumatic models

Advantage 2 | Piston-Type Volumetric Filling + Adjustable 20–1000 ml Range

  • Piston-type volumetric filling, one machine covering 20–1000 ml — from small pouches to large pouches without changing machines
  • Filling volume is set by adjusting the piston stroke — stable structure, no drift
  • Filling accuracy ≤ 0.5%, high repeatability

Advantage 3 | Four Simultaneous Nozzles + Anti-Drip Positive Shut-Off Nozzles

  • Standard 4 nozzles, single-nozzle flow approx. 20 ml/s; peak filling efficiency noticeably higher than single-head models (peak output per minute to be confirmed)
  • Bottom anti-drip positive shut-off nozzles — after filling, a cylinder drives a positive shut-off at the nozzle bottom, eliminating dripping and liquid clinging to the pouch mouth
  • Nozzle diameter 3–12 mm optional, flexibly matched to liquid viscosity and pouch-mouth size
  • Head count selectable as 1 / 2 / 4 nozzles to match capacity requirements before ordering

Advantage 4 | Food-Grade 304 Stainless Steel + 200°C Silicone O-Rings

  • Contact parts are food-grade 304 stainless steel (316 optional); the valve system uses the same stainless steel
  • Seals are food-grade silicone O-rings rated to 200°C, meeting food-safety requirements
  • Rubber sealing rings available for corrosive liquids — e.g. alcohol, strong acids and bases
  • The whole machine meets food-safety requirements and can be used directly for food-grade pouch filling such as beverages and sauces

Advantage 5 | Flexible Pouch Adaptability + One Machine for Multiple Pouch Types

  • Purpose-built for flexible packaging pouches — stand-up pouch, spout pouch, Doypack, and regular pouch bag all supported
  • The filling head has a lifting device, friendly to the pouch mouth — no pouch squeezing, no deformation
  • One machine replaces several: switching pouch type only requires changing the corresponding fixture / pouch clamp, not the main machine
  • Net weight approx. 50 kg, shipped one machine per thickened carton — easy to dispatch

3. Technical Specifications

3.1 Core Performance

Parameter Specification
Model DF4-1000
Filling Range 20–1000 ml
Filling Nozzles 4 nozzles (standard; 1 / 2 head optional)
Nozzle Type Bottom anti-drip positive shut-off nozzle
Nozzle Diameter 3–12 mm optional (selected to order)
Single-Nozzle Flow approx. 20 ml/s
Peak Output To be confirmed (estimated from 4 nozzles at 20 ml/s each; subject to actual working conditions)
Filling Accuracy ≤ 0.5%
Volume Adjustment Adjustable piston stroke (continuous adjustment)
Speed Adjustment Adjustable (continuous adjustment)
Filling Type Piston type, one cylinder per head
Control Mode Pneumatic operation + electric control (pneumatic-operated + electric-controlled)
Operation Foot pedal / auto timer, switchable
Automation Grade Semi-auto / automatic, switchable
Suitable Liquids Free-flowing liquids — water, oil, juice (no particles), liquid detergent, sauce, wine, liquid cream, etc.

3.2 Power, Air Source, and Control

Parameter Specification
Voltage 220 V 50/60 Hz
Pneumatic Components Taiwan Airtac
Air Source An air compressor is required; air pressure to be confirmed
Electrical Module Includes timer, foot-pedal signal, and semi-auto/automatic switching module
Head Lifting Device Special configuration — filling head can be pushed and lifts automatically (adapted to flexible pouch mouths)

3.3 Materials & Contact Parts

Parameter Specification
Contact Parts Food-grade 304 stainless steel (316 optional)
Valve System Stainless steel valve system design
Standard Seal Silicone O-ring, rated to 200°C, food-safety compliant
Optional Seal Rubber sealing ring, for corrosive liquids
Hygiene Grade Food grade / food-safety compliant

3.4 Dimensions, Weight, and Packaging

Parameter Specification
N.W. approx. 50 kg
G.W. approx. 60 kg
Packing Size 75 × 55 × 55 cm
Packaging Thickened carton, one machine per carton
Spare Parts in Carton Tools, parts

3.5 Commercial Terms

Parameter Specification
Delivery Term EXW Wenzhou
Payment Term T/T 100%
MOQ 1 set
Delivery Time within 10 days
Warranty One-year whole-machine warranty
Warranty Coverage Free repair or replacement for non-human damage and faults under normal use per the manual; the customer covers freight from China to the destination
Engineer On-Site The customer covers the engineer's round-trip travel expenses
Lifetime Maintenance Paid lifetime maintenance service beyond the warranty period

3.6 Suitable Liquids & Pouch Types

Category Details
Suitable Liquids Free-flowing liquids such as water, oil, juice (no particles), liquid detergent, sauce, wine, liquid cream
Not Suitable Liquids with particles, high-viscosity pastes, strongly corrosive liquids (special seal configuration required)
Pouch Types Stand-up pouch, spout pouch, Doypack, regular flexible pouch bag
Special Use The filling head has an automatic lifting device, friendly to flexible pouch mouths

4. Sales Suggestions & FAQ

4.1 Sales Suggestions

  1. Target the "flexible pouch liquid filling" customer base — pouch lines in beverages, edible oil, wine, liquid detergent, sauce, and cosmetics. Closer to pouch-filling needs than small-bottle fillers such as the PL-88, yet cheaper and easier to operate than large automatic pouch-sealing machines.
  2. Push the "electric-pneumatic integrated" differentiator — most purely pneumatic competing models lack an electronic control module and cannot switch between semi-auto and automatic; the DF4 offers two ways to run in one machine, addressing the typical anxiety of "is semi-auto enough, can I upgrade to automatic".
  3. Push the "four nozzles + optional nozzle diameter" selling point — filling with 4 nozzles at once is a visible capacity boost for small pouch lines; 3–12 mm nozzle diameters cover all pouch-mouth sizes.
  4. Bundle sales — combine with our cappers, labelers, and inkjet coders to build a small pouch line, upgrading a single-machine order into a complete-line order.
  5. Video negotiation — the YouTube video (https://youtu.be/Gk-akHZNx0o) demonstrates the working process, replacing an on-site factory visit with remote inspection and lowering the deal threshold.
  6. Be honest about the EXW scope — the EXW price excludes freight and spare parts; sea freight LCL, air freight, and courier are charged at actual cost per order to avoid later disputes.
  7. Proactively advise on seal selection — rubber sealing rings vs silicone O-rings should be chosen by liquid corrosiveness, to avoid the customer buying the wrong one and seal failure after filling.

4.2 FAQ

Q1: What liquids is the DF4-1000 suitable for? Free-flowing liquids — water, oil, juice (no particles), liquid detergent, sauce, wine, liquid cream, etc. Liquids with particles, high-viscosity pastes, and strongly corrosive liquids are not suitable (strongly corrosive liquids require rubber sealing rings + a 316 stainless steel configuration; please confirm with Andrea before ordering).

Q2: Does the machine need a power supply? Is the control mode electric or pneumatic? The machine requires a 220 V 50/60 Hz power supply and must be connected to an air compressor. The DF4 series uses a hybrid pneumatic operation + electric control scheme: the air source drives the piston and valves, while the electronic control module handles timing, counting, and foot-pedal signals. It offers more stable timing and finer adjustment than purely pneumatic models, and is more resistant to rough use and longer-lasting than purely electric models.

Q3: How many nozzles as standard? Can I choose 1 or 2? 4 nozzles as standard. 1 head / 2 head / 4 head are available to order — fewer heads means a lower unit price, and multi-nozzle models deliver a clear capacity boost for small pouches.

Q4: How to choose the nozzle diameter? Optional within 3–12 mm. A 6 mm nozzle head is common for general liquids (such as water, oil, juice, detergent); 8 mm for thin sauces, wine, and cosmetics; 10–12 mm for thicker liquids. Confirm the pouch-mouth size and liquid viscosity before ordering, and Andrea will recommend the diameter.

Q5: How accurate is the filling? What can it achieve? Filling accuracy ≤ 0.5%, typical for piston-type volumetric models. We recommend weighing 2–3 pouches for calibration before mass production.

Q6: Will the nozzles drip or leave liquid on the pouch mouth? No. The standard bottom anti-drip positive shut-off nozzles — after filling, a cylinder drives a positive shut-off at the nozzle bottom, leaving no residual drops or clinging liquid. The pouch mouth stays clean and can proceed directly to the next process.

Q7: What material are the product-contact parts? What hygiene grade? Contact parts are food-grade 304 stainless steel (316 optional), with a stainless steel valve system; seals are food-grade silicone O-rings rated to 200°C. The whole machine is food-safety compliant and can be used directly for food pouch filling.

Q8: Is it troublesome to change pouch specifications? Do I need to change parts? Not at all. The machine supports switching between stand-up pouch, spout pouch, Doypack, and regular flexible pouch bag on the same machine; changing pouch type usually only requires changing the corresponding fixture / pouch clamp, and the filling volume is adjusted via the piston stroke.

Q9: Is cleaning troublesome when changing liquids? Not at all. Tubing uses quick-fit connections and the contact parts are easy to disassemble; regular liquids can be rinsed with clean water or hot water; for oils and sauces, rinse with hot water first and then with clean water. For strongly corrosive liquids, soak with the appropriate cleaning agent before rinsing when changing products.

Q10: How are MOQ, payment, and lead time arranged? MOQ 1 set, EXW Wenzhou 2299 USD/set; T/T 100%, production and shipment arranged after payment; delivery within 10 days (subject to stock). Sea freight LCL, air freight, and courier are all available, with freight charged at actual cost per order.

Q11: How long is the warranty? What happens beyond it? One-year whole-machine warranty — free repair or replacement for non-human damage and faults under normal use per the manual; the customer covers freight from China to the destination. Paid lifetime maintenance beyond the warranty period; if an engineer is required on-site, the customer covers round-trip travel expenses.

Q12: What is the packaging? How to inspect for overseas shipping? Shipped in a thickened carton, one machine per carton, including tools and parts. Net weight 50 kg, gross weight 60 kg, packing size 75 × 55 × 55 cm; can ship by sea LCL, air freight, or international courier. We recommend requesting the latest container-loading and outer-carton photos before ordering.

Q13: Is CE certification available? Yes. This model supports CE-certified shipment (please ask Andrea for the certificate number).

Q14: Can I visit the factory to see the machine? Yes. You are welcome to visit the Wenzhou T&D factory to see and test the machine; customers who cannot visit can ask Andrea for the YouTube work video (https://youtu.be/Gk-akHZNx0o), or book a remote video inspection.

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5. Media & Materials

Asset Link
Machine Work Process Video https://youtu.be/Gk-akHZNx0o

6. Workflow

6.1 Pouch Filling Process

  1. Connect air and power — confirm the 220 V 50/60 Hz power supply is in place; connect the air compressor and set the air pressure to the standard range (MPa to be confirmed); check that the pressure gauge, filter, and solenoid valve signals are normal.
  2. Load material / feed — pour the liquid to be filled into the feed tank (or feed it from the upstream pipeline), and confirm the contact parts have the correct seal selection for the liquid type (silicone O-ring / rubber sealing ring).
  3. Load / place pouches — fix the stand-up pouch / spout pouch / Doypack onto the corresponding fixture or pouch clamp, with the pouch mouth aligned to the filling head; the automatic head lifting device adapts to the pouch-mouth position.
  4. Select mode / start — choose "foot pedal (semi-auto)" or "auto timer (automatic)" mode according to the day's production needs; the two modes can be switched instantly on the same machine.
  5. Volumetric filling — once started, the air source drives the piston and the 4 anti-drip positive shut-off nozzles fill simultaneously; single-nozzle flow approx. 20 ml/s, completing the dose automatically within the 20–1000 ml range.
  6. Positive shut-off / drip stop — when the target volume is reached, a cylinder drives a positive shut-off at the nozzle bottom, eliminating dripping and liquid clinging to the pouch mouth.
  7. Unload / move downstream — remove the filled pouch and move it to the next process (sealing / capping / labeling / inkjet coding / packing / cartoning).
  8. CIP cleaning / product changeover — when changing liquids, remove the nozzles and contact parts and rinse with clean water or hot water; for strongly corrosive liquids, soak with the appropriate cleaning agent before rinsing. Regularly check the silicone O-rings for aging, deformation, or air leaks.

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