Kf 25 40 50 Double Claw Clamps
- Model:
- Brand:
- J&O
- Material:
- Stainless Steel/Aluminum
- Connection:
- Clamped
- Payment:
- T/T, L/C, Western Union
A kf clamp functions as a mechanical retention coupling engineered to draw two grooved vacuum flanges against an elastomer O-ring and centering ring assembly. Opposed cast aluminum or forged stainless steel claws grip exterior flange recesses, translating screw torque directly into uniform normal compression. This balanced axial retention prevents localized gasket creep down to 10⁻⁸ Torr, maintaining helium mass spectrometer leak rates below 1×10⁻⁹ mbar·L/s without introducing torsional distortion across adjacent process piping.
Cantilever Load Resistance on Process Branch Lines
Horizontal exhaust sections often carry substantial overhang weight from mounted gate valves and optical inspection ports. Installing a rigid kf25 clamp configuration counteracts bending moments that typically induce localized seal gaps on standard piping runs.
Dual-point hook contact distributes structural loads symmetrically across mating lips, preserving face parallelism through continuous vacuum cycles.
Vacuum Mechanical Retainer Structural Comparison
| Fastener Architecture Type | Axial Compression Distribution | Helium Leak Tightness Level | External Clearance Requirement |
|---|---|---|---|
| Opposed Dual Claw Pair | Opposed Face Direct Compression | < 1×10⁻⁹ mbar·L/s | Low Radial Footprint |
| Single Cantilever Fastener | Single-Point Tapped Clamp | < 1×10⁻⁹ mbar·L/s | Minimal Base Clearance |
| Split Collar Assembly | Circumferential Taper Wedge | 1×10⁻⁷ mbar·L/s | Full Perimeter Orbit |
Eliminating Vibration-Induced Backing on Foreline Manifolds
Persistent oscillation from dry backing pumps subjects foreline unions to continuous acoustic vibration and thermal drift. Securing an industrial kf40 clamp prevents fastener back-off and maintains constant compression during continuous 150°C system bakeout sequences.
Hardened central bolts retain applied torque, suppressing micro-channel formation across fluoroelastomer seals exposed to harsh exhaust gases.
Circumferential Stress Equilibrium on Wide Vacuum Ports
Chamber depressurization imposes massive atmospheric differential forces across wide pumping interfaces. Fastening a heavy-duty kf50 clamp around opposed grooved flanges provides uniform holding power that resists perimeter flange warping.
The robust claw profile seats fully into machined outer retention channels, eliminating lateral flange walk under sudden pressure surges during process chamber venting.
Product Description
| Product Name: | ISO Double Claw Clamp |
| Size: | KF63ISO-KF630ISO |
| Material： | SS304/Aluminum |
| Machine： | CNC Lathe Machine |
| 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 |
