Carabiners vs. Gas Canisters
Comparing 2 standards across 19 specifications. 19 key differences identified.
Climbing carabiners and connectors are certified under European standard EN 12275 and UIAA 121. Major certifications specify minimum breaking strength across three loading axes: Major Axis Closed (standard Type B ≥ 20 kN / Type H HMS ≥ 20 kN / Type K Via Ferrata ≥ 25 kN), Minor (Cross) Axis (≥ 7 kN), and Open Gate (≥ 7 kN for Type B/H, ≥ 8 kN for Type K). Locking mechanisms include Screw-Lock, Auto-Lock (twist-lock 2-stage), and Triple-Lock (lift-twist-open 3-stage).
Portable camping gas canisters are certified under European standard EN 417 and US DOT-2P/2Q specifications. The international outdoor standard is the threaded Lindal B188 self-sealing valve featuring a 7/16"-28 UNEF thread (used by MSR, Jetboil, Primus, Snow Peak in 100g, 230g, and 450g sizes). The fuel mixture is typically an 80/20 or 70/30 Isobutane/Propane blend (with boiling points of -11.7 °C and -42 °C) to ensure vapor pressure in cold mountain conditions.
Specification Comparison Table
19 Parameters| Parameter / Spec | ||
|---|---|---|
|
Type B (Basic) Major Axis Closed
|
≥ 20.0 kN (minimum 4,496 lbf breaking strength) | — |
|
Type B Minor / Cross-Axis Strength
|
≥ 7.0 kN (minimum 1,574 lbf) | — |
|
Type B Open Gate Strength
|
≥ 7.0 kN (strength when gate is forced open) | — |
|
Type H (HMS / Pear Shape) Major Axis
|
≥ 20.0 kN (designed for Munter hitch belaying) | — |
|
Type K (Klettersteig / Via Ferrata)
|
≥ 25.0 kN (reinforced for heavy steel cable shear loads) | — |
|
Type D (Directional / Quickdraw)
|
≥ 20.0 kN (integrated webbing retention) | — |
|
Gate Opening Clearance (Type B)
|
≥ 15.0 mm minimum gate clearance | — |
|
Gate Opening Clearance (Type H)
|
≥ 20.0 mm minimum gate clearance | — |
|
Locking Mechanism Tiers
|
Screw-Lock, Twist-Lock (2-action), Triple-Lock (3-action) Safety Mechanisms | — |
|
Primary Material
|
Hot-Forged 7075-T6 Aircraft Aluminum Alloy or Heat-Treated Steel Standard | — |
|
Valve Thread Standard
|
— | 7/16-28 UNEF (Lindal B188 Self-Sealing Valve) EN 417 Standard |
|
Standard Small Canister Mass (100g)
|
— | 100.0 / ~198.0 g fuel / gross weight (fits inside 1L cookpots) |
|
Standard Medium Canister Mass (230g)
|
— | 230.0 / ~380.0 g fuel / gross weight (standard backpacking size) |
|
Standard Large Canister Mass (450g)
|
— | 450.0 / ~660.0 g fuel / gross weight (basecamp size) |
|
Premium Fuel Blend Ratio
|
— | 80% Isobutane / 20% Propane 4-Season Fuel |
|
Propane Boiling Point
|
— | -42.1 °C (-43.8 °F / delivers high vapor pressure) |
|
Isobutane Boiling Point
|
— | -11.7 °C (10.9 °F / superior to n-butane at -0.5 °C) |
|
Safety Burst Pressure Standard
|
— | ≥ 17.5 bar (254 psi DOT-2P / 19.3 bar DOT-2Q) |
|
Piercable Canister Standard
|
— | EN 417 Type 200 (190g non-threaded pierceable canister) Legacy / European Campingaz |