Valve Sacks
Our Valve Sacks
Our valve sacks are high-strength packaging solutions with a self-closing valve for fast, clean filling of powders and granules. Ideal for cement, chemicals, and fertilizers, they offer excellent durability, moisture resistance, and stacking efficiency. Designed for compatibility with automated systems, they help improve productivity and reduce spillage.
Specifications
| Wdith | To your requirements: from 18cm to 700cm |
| Length | 25cm to 120cm |
| Bottom | 7cm to 25cm |
| Material | Woven PP, paper or combination of both |
| Material thickness | 70-120 gsm, depending on the type of material used |
| Common bag sizes | 50cm x 80cm for 25kg capacity, 60cm x 100cm for 50kg capacity, Custom sizes available for larger or specialized applications |
Typical bag weight | 120g to 250g, Lighter bags for food or chemicals, Heavier bags for construction materials or high-density powders |
| Valve types | External (tuck in), self-closing valve, Sleeve valves (inner sleeve) | Sealing method | Sonic sealed, Self sealing, Heat Sealable valve |
| Colours | Range of colours available |
| Ply | Max 4 ply |
| Liners | Liners optional for moisture-sensitive products |
| Lamination | BOPP coating optional |
| Up to 8 colour printing available | |
| UV | UV option |
Width (A) x Length (B) x Bottom (C)
Advantages
- Easy filling through a top-corner valve: ideal for dry, flowable products like cement, chemicals, and powders.
- Self-sealing design eliminates the need for sewing or heat sealing equipment: reducing labour and equipment costs.
- Widely used in industrial applications: for efficient, dust-free packaging of bulk materials.
- Offers excellent stacking strength and space optimization: for storage and transport.
- Compatible with automated filling lines: improving packaging speed and consistency.
Types of Closures
Design your filling options for your Valve Sacks
Seal-Sealing
- Self-sealing mechanism relies on internal product pressure to keep the valve closed.
- Not suitable for food-grade sealing requirements
- Best used with inner valve bag designs for effective closure.
Heat Sealing
- Traditional sealing method using external heat.
- Applied with heat sealers.
- Commonly used for sonic-seal sleeves.
Ultrasonic-Sealing
- Uses ultrasonic sealing for advanced closure.
- Creates an airtight seal to block air and humidity.
- Maintains cleanliness during filling.
- Ideal for dry food and contamination-sensitive industries.
Manual Sealing
- Manual sealing of the valve flap.
- Used to close industrial paper bags.
- Common for outer valve bag designs.
Valve Types
Design your valve type for your Valve Sacks
Paper Insert
- Paper strip added to valve opening.
- Improves valve strength and reduces sifting.
- Most cost-effective valve option for paper bags.
Double Trap
- Offset paper and plastic film applied separately.
- Prevents product sifting through the valve opening.
Conical Bottom
- Polyethylene film pasted into valve opening.
- Creates a rigid, sift-resistant seal.
- Enhances valve durability and product protection.
Reduced Valve
- A valve tube opening that is smaller than the top and bottom width of the bag.
Tuck-In Sleeve
- Manual tucking process for outer sleeve extension.
- Used after the bag is loaded.
- Optional thumb notch for smoother handling on machinery.
Sonic-Seal Sleeve
- Extended outer cover on valve sack.
- Laminated with film for ultrasonic airtight closure.
- Fully automated bag loading.
- Exceptional sealing performance
The first ever FIBC Price Calculator Tool
FIBC Bulk Bag Estimated Price Calculator Tool
Estimate the cost of your bulk bag!
Use this intuitive savings calculator to estimate the cost of your bulk bag! The larger the volume, the greater the savings. Please note, this calculator offers an estimated USD EXW batch price per bag only. Prices fluctuate. For a more accurate quote, kindly contact us directly.
