First, determine the state of the coffee and the required gas exchange: these processes solve different problems.
A vacuum cycle removes gas from a compatible bag before sealing. A single-sided degassing valve releases gas from the bag, limiting the backflow of air. For freshly roasted coffee, the choice cannot be made solely by the appearance of the package: you need a test of shelf life, tightness and behavior of the product.
FORMAT/MATERIAL
DOSE/SPEED
BUCKLING/CONTROL
01/QUICK VERDICT
For actively degassing freshly roasted grains, a barrier package with a one-way valve is often designed; vacuum is used only where the product, the time after roasting and the material are confirmed by technological testing.
Vacuum packagingAir is removed from the compatible package, then sealed; the result depends on the camera, package and cycle mode.
Valve bagThe single-sided valve is designed for gas output; the method of installation and the packaging process are confirmed separately.
Principle
Removal of gas before final sealing.
Gradual release of gas through a one-way element after packaging.
Packet behaviour
The package compresses the product; the geometry depends on the mode and material.
The package retains volume until the pressure escapes through the valve.
Freshly roasted coffee
Requires testing: Continued degassing can change shape and pressure after sealing.
The valve is designed for controlled gas output, but its operation and seams are still checked.
Equipment
You need a compatible camera or vacuum tract and sealing.
You need a package with a valve installed or a confirmed installation module, plus a packer and dispenser.
Materials
It must withstand the vacuum cycle and form a stable seam.
We need barrier properties, a compatible valve zone and a stable top seal.
Monitoring
Check residual air, package shape, seam and storage behavior.
Check the valve, seams, leaks, barrier and packet change over time.
Tempo
Depends on pumping, camera, product and sealing time.
Depends on dosing, packet delivery, optional valve installation and sealing.
Evidence base
The machine listing must directly confirm the product, package and mode.
The packer listing does not prove the presence of a valve; it is a separate specification of the package or module.
03/situation
The solution changes along with the original data
01Valve bag
Fresh roasted grain with active degassing
A package with a confirmed one-way valve usually better suits the gas output task, but requires a test of the entire package and seam.
02Vacuum packaging
Ground product based on validated technology
A vacuum can be considered if the formulation, aging, packet and shelf life have already been tested in a particular process.
03DEPENDS ON THE DATA
New SKU without storage test
Do parallel packing and storage tests first. Claims of "freshness" without method and checkpoints are not enough to choose from.
01CATALOGUE/SUPPLIER DATA
Real examples for comparison
It combines validated listings from both sides, and unknown fields are not reconstructed from a photograph or similar pattern.
03/RESULTFound: 6Showing 6 of 6
01
Loading image
Loading image
SOURCE CHECKED · August 10, 2026
Automatic Dual Chamber Brick Bag Coffee Vacuum Bag Forming Filling Packaging Machine
Model
KYV500N
Supplier
Anhui Koyo Machinery Co., Ltd.
Type of seller
Custom Manufacturer
Suitable applications
Candidate for a vacuum scenario; confirm the acceptable product, package shape and the effect of the mode on the finished coffee.
Editorial guideline PRECISION ROAST on the confirmed type of machine; not the statement of the manufacturer.
Type of machine
Vacuum packaging
Type at source
Automatic vacuum brick-bag form-fill-seal machine
Product
GROUND COFFEE
Product at source
Coffee powder in the supplier description; powder in structured attributes
POUCH FORMAT
Vacuum brick bag / six-side bag made from laminated roll film
Bag width
According to clients
Packet length
According to clients
Dose range
70 g-1 kg for KYV500N in the supplier technical table
Claimed productivity
18-20 bags/min for KYV500N in the technical table; selected variation says 20-40 bags/min
Automation
Automatic
Automation at source
Automatic; mechanical drive with PLC/servo controls
Nitrogen
Not specified by the supplier
Nitrogen at source
Not specified
DEGASSING VALVE
Not specified by the supplier
Valve at source
Not specified
Sealing
Inside-pumped vacuum, form, vacuum and reseal brick bag
Power
6.5 kW (8.72 hp) selected variation
Voltage
380 V
Dimensions
4500 x 950 x 2150 mm
Operators
Not specified
MOQ
1 set
Type of price
fixed
Claimed price at the time of inspection
US$65,000 USD
August 10, 2026
There are discrepancies in the listingThe title says dual chamber, but the supplier table distinguishes KYV500N at 18-20 bags/min from KYV500N2 with two alternating chambers at 38-40 bags/min. The selected KYV500N variation says 20-40 bags/min, conflicting with the model-specific 18-20 bags/min technical row. The page shows a 1500 kg machine but a 158 x 95 x 2185 cm, 68 kg shipping item; shipping values are not treated as machine weight or dimensions.
Candidate for a vacuum scenario; confirm the acceptable product, package shape and the effect of the mode on the finished coffee.
Editorial guideline PRECISION ROAST on the confirmed type of machine; not the statement of the manufacturer.
Type of machine
Vacuum packaging
Type at source
Automatic vacuum packing machine
Product
GROUND COFFEE
Product at source
Coffee powder; granule, powder and solid filling materials are listed
POUCH FORMAT
Brick vacuum bag; gusseted pillow, 3-side-seal and 4-side-seal bags are also listed
Bag width
40-200 mm
Packet length
60-200 mm
Dose range
250 g and 500 g configurations named in the title
Claimed productivity
25-40 bags/min in supplier attributes; selectable 15, 20, 25 or 40 bags/min variations
Automation
Automatic
Automation at source
Automatic; electric drive; eight working stations
Nitrogen
Not specified by the supplier
Nitrogen at source
Not specified
DEGASSING VALVE
Not specified by the supplier
Valve at source
Not specified
Sealing
Vacuum brick bag making; weighing, forming, packing and sealing
Power
1.5 kW selected variation
Voltage
220 V, 50/60 Hz
Dimensions
8800 x 3800 x 4000 mm
Operators
Not specified
MOQ
1 set
Type of price
Based on order quantity
Claimed price at the time of inspection
GBP 81,334.50 for 1-4 sets; GBP 73,872.62 for 5+ GBP
August 10, 2026
There are discrepancies in the listingThe card lists a 1500 kg machine and 8800 x 3800 x 4000 mm machine dimensions, but the shipping item is shown as 11 x 11 x 10 cm and 20 kg; shipping values are rejected as non-machine data. The speed appears as both a 25-40 bag/min supplier range and four selectable capacity values; both source wordings are retained.
Ruibao Semi-Automatic Vertical Coffee-Bean Vacuum and Gas-Flush Sealing Machine
Model
DZQ-450 OT / DZQ-600 OT / DZQ-700 OT / DZQ-800 OT / DZQ-900 OT / DZQ-1000 OT / DZQ-1200 OT
Supplier
Guangzhou Ruibao Packaging Machinery Co., Ltd.
Type of seller
Not specified
Suitable applications
Candidate for a vacuum scenario; confirm the acceptable product, package shape and the effect of the mode on the finished coffee.
Editorial guideline PRECISION ROAST on the confirmed type of machine; not the statement of the manufacturer.
Type of machine
Vacuum packaging
Type at source
Vertical vacuum packaging machine; vacuum bag; vacuum, gas flushing and sealing
Product
Whole-bean coffee
Product at source
Coffee bean and cashew brick-type vacuum packaging; filling material is granule and solid
POUCH FORMAT
Vacuum bag; listing taxonomy also names stand-up pouch, bag and soft pouch
Bag width
Not specified
Packet length
Not specified
Dose range
Not specified
Claimed productivity
5 bags/min selected production-capacity variation
Automation
Semi-automatic
Automation at source
Semi-Automatic; pneumatic drive
Nitrogen
declared
Nitrogen at source
Keyword: nitrogen vacuum packaging machine; function: vacuum, gas flushing, sealing and storage memory. The page exposes a multi-model family, so nitrogen is retained as configuration-dependent evidence.
DEGASSING VALVE
Not specified by the supplier
Valve at source
Not specified
Sealing
Vacuum, gas flushing and sealing
Power
0.8-1.4 kW
Voltage
110 V / 120 V / 220 V / 240 V / 380 V
Dimensions
Not specified
Operators
Not specified
MOQ
1 piece
Type of price
Based on order quantity
Claimed price at the time of inspection
JPY 223,667 for 1-19 pieces; JPY 176,757 for 20-49; JPY 146,016 for 50+ JPY
August 10, 2026
There are discrepancies in the listingThe page combines seven DZQ-OT sealing-length variants under one product-detail identifier and does not map every attribute to each variant. Machine dimensions are displayed only as 'according to details'; the 100 x 89 x 133 cm shipping package is not substituted for machine dimensions. The supplier name says Guangzhou while the structured place-of-origin field says Zhejiang; neither location is used as equipment evidence.
The working scenario is not normalized: ask the supplier for product specification, packaging material and sequence of operations.
Editorial guideline PRECISION ROAST on the confirmed type of machine; not the statement of the manufacturer.
Type of machine
Other type
Type at source
Semi-automatic coffee-bag one-way degassing-valve pressure and laminating machine
Product
Whole-bean coffee · GROUND COFFEE
Product at source
Suitable for coffee beans and powder
POUCH FORMAT
Coffee bag film; structured packaging taxonomy names cartons and film
Bag width
Not specified
Packet length
Not specified
Dose range
Not specified
Claimed productivity
Maximum speed 5 m/min; this is preserved as applicator/material speed and is not converted to bags/min
Automation
Semi-automatic
Automation at source
Semi-Automatic; electric drive
Nitrogen
Not specified by the supplier
Nitrogen at source
Not specified
DEGASSING VALVE
support declared
Valve at source
Coffee Bag Valve Machine / Bag Valve Laminating Machine / Semi Automatic Coffee Bag One Way Degassing Machine; product name states one-way exhaust-valve pressure; model LQ-JP1
Sealing
Cold sealing in the structured Alibaba attribute; pressure/laminating valve application in the product identity
Power
100 W
Voltage
110 V / 220 V
Dimensions
42 x 25 x 24 cm
Operators
Not specified
MOQ
1 set
Type of price
Based on order quantity
Claimed price at the time of inspection
EUR 421.81 for 1-4 sets; EUR 404.42 for 5-9; EUR 391.37 for 10+ EUR
The working scenario is not normalized: ask the supplier for product specification, packaging material and sequence of operations.
Editorial guideline PRECISION ROAST on the confirmed type of machine; not the statement of the manufacturer.
Type of machine
Other type
Type at source
Semi-automatic one-way degassing-valve fixing / hot-press machine for coffee-bag packaging
Product
Another product
Product at source
Application explicitly states Coffee but does not distinguish whole-bean from ground coffee
POUCH FORMAT
Stand-up pouch or bag; plastic and paper packaging materials
Bag width
Not specified
Packet length
Not specified
Dose range
Not specified
Claimed productivity
Maximum speed 13 pcs/min for the valve-fixing operation
Automation
Semi-automatic
Automation at source
Semi-automatic; electric drive
Nitrogen
Not specified by the supplier
Nitrogen at source
Not specified
DEGASSING VALVE
support declared
Valve at source
2026 New Semi-Automatic Coffee Bag Valve Machine, One-Way Degassing Valve Fixing Machine for Coffee Packaging
Sealing
Hot pressing; 0.5-2 seconds
Power
0.75 kW
Voltage
220 V
Dimensions
46 x 31 x 30 cm
Operators
Not specified
MOQ
1 unit
Type of price
fixed
Claimed price at the time of inspection
Bs 4,219.92 for 1 unit BOB
August 10, 2026
There are discrepancies in the listingThe generic structured product-name field says 'Snap Button Fixing Machine', while the direct listing title and Coffee application identify the offered configuration as a one-way degassing-valve fixing machine. Working pressure is rendered as '2-4 KGF/CM2 (Mpa)', combining incompatible unit labels; the value is preserved only here and not normalized.
YB-420Z Full-Automatic Vertical Coffee-Bean Packaging Machine with Degassing-Valve Applicator
Model
YB-420Z
Supplier
Shanghai Yanban Machinery Co., Ltd.
Type of seller
Not specified
Suitable applications
Candidate for forming a package of rolled material; agree on the film, size range, dispenser and actual tempo of the line.
Editorial guideline PRECISION ROAST on the confirmed type of machine; not the statement of the manufacturer.
Type of machine
VFFS
Type at source
Full automatic vertical granule packaging machine with degassing-valve applicator
Product
Whole-bean coffee
Product at source
Coffee beans, peanut and cashew nut granules
POUCH FORMAT
Vertical formed bag; exact seal geometry is not stated
Bag width
Not specified
Packet length
Not specified
Dose range
Alibaba listing surfaces name 250 g and 1 kg coffee-bean package sizes; no continuous range is stated
Claimed productivity
Not specified
Automation
Automatic
Automation at source
Full Automatic Vertical
Nitrogen
Not specified by the supplier
Nitrogen at source
Not specified
DEGASSING VALVE
support declared
Valve at source
YB-420Z with degassing valve applicator Full Automatic Vertical Coffee Beans Packaging Machine
Sealing
Not specified
Power
Not specified
Voltage
Not specified
Dimensions
Not specified
Operators
Not specified
MOQ
1 set
Type of price
range
Claimed price at the time of inspection
US$4,800-US$6,000 across current Alibaba listing surfaces USD
August 10, 2026
There are discrepancies in the listingAlibaba current listing surfaces show both US$4,800 and US$6,000 for the linked product-detail identifier; the exact selected configuration behind each price is not exposed. The direct product-detail payload did not expose bag dimensions, speed, power, voltage or machine dimensions in the retrievable text evidence.
The vacuum removes some of the gas during the cycle, but does not change the ongoing processes in the product.
Does any valve keep the coffee the same?+
No. What matters is the characteristics of the valve, the quality of its installation, the package barrier and the integrity of the seams, all of which are evaluated as a single packaging system.
Can a machine for ready-made packages install a valve?+
Not necessarily. In catalogue listings, such capabilities are considered confirmed only with explicit indication; often the valve is already installed by the package manufacturer.
Compare process, not machine label
The same coffee, package, dose, options and trial protocol make the comparison testable.
