Kf Iso K Double Claw Flange Clamps
- Model:
- Brand:
- J&O
- Material:
- Stainless Steel/Aluminum
- Connection:
- Clamped
- Payment:
- T/T, L/C, Western Union
A kf clamp functions as an axial sealing fastener, drawing paired tapered or grooved vacuum flanges together against an internal elastomer gasket and centering ring. Hardened alloy claw toes seat within machined flange perimeter recesses, translating torque from a center-mounted draw screw into perpendicular normal force. This mechanical retention maintains helium leak integrity below 1×10⁻⁹ mbar·L/s down to 10⁻⁸ Torr, stopping seal distortion along complex vacuum forelines without creating uneven local strain.
Large Conductance Port Coupling Across Modular Frameworks
Connecting wide vacuum passages requires secure mechanical joints that handle substantial atmospheric pressure differentials. Incorporating an engineered iso k clamp arrangement bridges mating ports where conventional outer through-bolts cannot fit due to tight frame profiles.
Symmetrical dual claw shoes grip the exterior retention shoulders, distributing clamping vectors evenly across the entire centering ring circumference.
Vacuum Fastener Mechanical Load Distribution
| Retention Hardware Profile | Clamping Vector Balance | Helium Seal Threshold | Structural Tare Mass |
|---|---|---|---|
| Opposed Aluminum Dual Claw | Symmetrical Direct Pinch | < 1×10⁻⁹ mbar·L/s | Minimum Mass |
| Solid Steel Block Fastener | Unilateral Rigid Force | < 1×10⁻⁹ mbar·L/s | Substantial Mass |
| Circumferential Band Segment | Radial Inward Wedge | 1×10⁻⁷ mbar·L/s | Moderate Mass |
Mitigating Static Piping Sag on Extended Foreline Runs
Long horizontal manifold spans between vacuum chambers and roughing stations generate cantilever sagging moments on intermediate seals. Installing rugged double claw clamps counteracts bending stresses, keeping flange mating planes strictly parallel through extended pumpdown routines.
The high strength-to-weight ratio of engineered aluminum reduces overall deadweight on delicate bellows and gate valve bodies, preventing premature gasket micro-fissuring.
Thermal Equilibrium and Stress Dissipation Throughout Bakeout
System de-gassing sequences up to 150°C create rapid expansion cycles across metal vacuum boundaries. Fastening a precision-cast kf flange clamp ensures uniform heat dissipation through the fastener body, suppressing sharp localized thermal gradients.
Smooth thread engagement prevents galling between steel adjustment screws and lightweight alloy shoes, preserving target preload tension during continuous production shifts.
Product Description
| Product Name: | ISO Aluminum Double Wall 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 |
Product Parameter


