Kf 25 40 Iso K Vacuum Clamp
- 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, SS316L
- Connection:
- Clamp
- Specification:
- 1/2″ - 2″, F10-F50
- Standard or Nonstandard:
- 3A,DIN, SMS
- Pressure:
- 0-10bar
A kf clamp serves as a circumferential compression fastener designed to draw opposed 15-degree conical flange faces against an elastomer gasket and centering ring assembly. Uniform contact pressure prevents micro-channel leaks across roughing and high-vacuum lines down to 10⁻⁸ Torr.
Precision CNC milling from solid austenitic stainless steel delivers rigid mechanical containment, preventing perimeter deflection across ultra-clean forelines. Machined internal profiles translate fastening torque into balanced inward thrust, securing leak rates lower than 1×10⁻⁹ mbar·L/s during helium mass spectrometer evaluation without inducing shear stress on internal sealing components.
Vibration Isolation Across Intermittent Roughing Exhaust Lines
Cyclic pulsation generated via mechanical backing pumps subjects foreline unions to continuous acoustic vibration. Utilizing a kf25 clamp fabricated from solid 304 stainless steel resists cyclic thread fatigue, preserving constant gasket compression through prolonged motor operation.
Dense cross-sectional geometry eliminates frame flexing, which routinely causes Viton seal relaxation during pressure surges.
Mechanical Fastener Load and Structural Comparison
| Structural Variant | Perimeter Stress Equilibrium | Helium Tightness Baseline | Thermal Bakeout Ceiling |
|---|---|---|---|
| CNC Milled Austenitic Collar | Balanced Continuous Radial Load | < 1×10⁻⁹ mbar·L/s | 200°C |
| Standard Die-Cast Aluminum | Uneven Two-Point Leverage | 1×10⁻⁷ mbar·L/s | 150°C |
| Hinged Spring Fastener | Variable Tension Band Force | 1×10⁻⁶ mbar·L/s | 120°C |
Mitigating Flange Warp Across Sizable Chamber Gate Openings
Enlarging port diameters increases exposure to external atmospheric load differentials once internal chambers reach target pressure. Deploying a kf40 clamp machined from structural billets prevents flange rim distortion, maintaining flat mating plane geometry along wide vacuum envelopes.
The rigid locking screw assembly prevents thermal expansion mismatch during 150°C system bakeout sequences, protecting process purity inside thin-film coating setups.
Axial Alignment Under Severe High-Vacuum Tensile Stress
Transitioning between quick-release manifolds and heavy chamber access points introduces cantilever weight across pipe fittings. Pairing heavier connections with an iso k clamp configuration provides positive perimeter clamping force against flange lips, preventing joint slip.
CNC-contoured retaining jaws distribute clamping pressure around the circumference, eliminating axial distortion and preserving process gas integrity.
Product Description
| Product Name: | Stainless Steel CNC Machined KF High Tension Lock Clamp |
| Size: | 1/2"-2" |
| Material: | 304SS |
| 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 |
Product Parameter



