Kf Iso K Double Claw Chain Clamps
- Model:
- Place of Origin:
- Wenzhou, China
- Packing:
- Suitable Packing for Sea/Air Transport
- Quantity:
- 500000 PCS Per Year
- Payment:
- T/T, L/C, Western Union
- Material:
- SS304
- Connection:
- Clamp
- Standard or Nonstandard:
- ISO
- Pressure:
- 0-5bar
A kf clamp functions as a circumferential quick-release fastener engineered to compress mating vacuum flanges against an elastomer O-ring and centering ring. Multi-link stainless steel chain architecture wraps the entire connection perimeter, converting tightening screw rotation into uniform radial containment vectors. This multi-point contact eliminates two-piece pinching, maintaining helium mass spectrometer leak rates below 1×10⁻⁹ mbar·L/s down to 10⁻⁸ Torr across high-temperature vacuum forelines.
Radial Deflection Control in High-Bakeout Vacuum Manifolds
Exposing vacuum boundaries to continuous 200°C chamber de-gassing induces uneven thermal expansion between disparate alloys. Securing an all-stainless iso clamp preserves constant gasket seating pressure without localized seal relaxation under cyclical thermal expansion.
Austenitic grade 304 alloy resists atmospheric moisture oxidation and harsh chemical etching. Articulated segments flex smoothly around flange lips, eliminating localized flange rim galling during routine process reconfigurations.
Mechanical Retainer Circumferential Contact Analysis
| Fastener Joint Architecture | Perimeter Load Uniformity | Outgassing Bakeout Limit | Radial Flange Ovalization Risk |
|---|---|---|---|
| Multi-Link Articulated Chain | Full 360-Degree Continuous | 250°C Sustained | Minimal Distortion |
| Cast Two-Piece Collar | Dual Pivot Concentration | 150°C Thermal Limit | Moderate Asymmetry |
| Cantilever Retaining Lug | Localized Point Thrust | 180°C Base Limit | High Flange Tilting |
Adapting Large Conductance Ports Across Tight Envelopes
Connecting wide vacuum manifolds often requires coupling different flange standards where perimeter clearance remains restricted. Integrating an engineered iso k clamp interface allows secure mating between smooth and grooved fittings without requiring bulky perimeter bolt circles.
Precision-pinned chain links slip effortlessly around tight chassis corners. Uniform perimeter tension prevents flange face rotation, preserving balanced gasket seating across fluctuating vacuum depths.
Asymmetric Cantilever Moment Suppression on Heavy Forelines
Foreline runs supporting roughing valves or condensation traps face substantial downward cantilever bending forces. While double claw clamps provide rigid unilateral retention on thick plate housings, an articulated stainless chain provides balanced perimeter hoop tension around free-hanging tubing.
Equalized perimeter holding power prevents micro-gap formation along lower flange edges. Balanced screw tension suppresses O-ring cold flow, ensuring dependable vacuum isolation across continuous manufacturing shifts.
Product Description
| Product Name: | Stainless Steel SS304 Vacuum KF ISO Chain Clamp |
| Size: | KF25-KF100 |
| Material: | SS304 |
| Machine: | Casting |
| Connection: | Tri Clamp |
| SurfaceTreatment: | Ra≤0.8 |
| Gasket | Food Grade Silicone, Viton, PTFE |
| Type | Ferrule; elbow; tee; cross, hosebarb etc. |
| Optional | Customized tri clamp fitting available |
| Packing Details: | within carton box or plywood case |
| Applied Industries: | Chemical, gas, petrochemical, electric power, metallurgy, medical, food and pharmaceutical industry |




