Online Tools

PRODUCT SPECIFIER Determine coupling types for use in your particular project
CAD Downloads Download CAD drawings of specific couplings to use directly in your design software
Product Catalogs Use of our product catalogs to view our complete product list
Product Catalogs

Puncture Seal

See Puncture Seal Products

The Puncture Seal dispensing system provides clean and safe liquid dispensing from bag-in-box (BIB) or other types of flexible packaging. The system consists of a Puncture Seal closure cap and a specially designed quick disconnect coupling body.

The closure makes a positive thread or snap-in seal with a 38mm fitment neck. The Puncture Seal coupling body automatically breaks the membrane seal on the closure cap when connected. To switch to a new container, simply depress the CPC thumb latch to disconnect the system and then connect the Puncture Seal coupling body to a fresh container.

Assets & Downloads

Features Benefits
Puncture Seal coupling Easily breaks the Puncture Seal
Polypropylene and polyethylene materials
Greater chemical resistance
Puncture Seal membrane Eliminates shipping caps and o-rings
CPC thumb latch One-hand connection and disconnection

Specifications & CV Value

Operating Conditions (Fluid Transfer)

Pressure: Vacuum to 120 psi
Temperature: 32°F to 160°F continuous, 0°C to 71°C continuous


Main components and valves: Polypropylene
38mm closure: Polyethylene (LDPE)
Thumb latch: Stainless steel
Valve spring: 316 Stainless steel
External spring and pin: Stainless steel
O-rings: EPDM
Closure size: SP-400 38mm

Cv Value

Cv~ .95 (13.7)
Cv~ .75 (10.8)
Cv values are based on gpm and psi, and Ipm and bar (shown in parentheses).
NOTE: Contact CPC for pressure and temperature ratings on closure cap.
WARNING: Pressure, temperature, chemicals and operating environment can affect the performance of couplings. It is the customer’s responsibility to test the suitability of Colder products in their own application conditions.

Validation Reports

Extractables Reports




3/8 Hose Barb Non-Valved In-Line Coupling Body (PS1700612 NSF)


1/4 Hose Barb Non-Valved In-Line Coupling Body - NSF


3/8 Hose Barb Non-Valved In-Line Coupling Body - NSF


1/4 Hose Barb Valved In-Line Coupling Body - NSF


3/8 Hose Barb Valved In-Line Coupling Body - NSF

Bag Closures


Puncture Seal Bag Closure (PSC)


38mm Thread On Puncture Seal Cap - NSF

Back to Top