Iso Kf 25 Double Pin Claw 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
- Specification:
- 1/2″ - 2″, F10-F50
- Standard or Nonstandard:
- 3A,DIN, SMS
- Pressure:
- 0-10bar
A kf clamp functions as a hinged circumferential coupler engineered to pull opposing tapered flanges flush against an elastomeric seal supported by an internal centering ring. Two parallel stainless steel pivot pins link matching cast aluminum sectors, allowing each side to swing symmetrically toward the flange centerline. This dual-pivot geometry translates screw torque into direct radial compression along matching fifteen-degree flange rims, sustaining helium mass spectrometry leak rates below 1×10⁻⁹ mbar·L/s down to 10⁻⁸ Torr across high-vacuum forelines without inducing localized flange canting.
Mitigating Gasket Shear Through Parallel Squeeze Alignment
Single-pin hinges swing in an asymmetrical arc that grabs one flange quadrant before the other, dragging the O-ring sideways across the sealing plane. Fastening an engineered iso clamp with twin hinge pins ensures simultaneous inward contact across the entire circumference.
Equalized inward movement seats the internal elastomer square against the metal support ring. Balanced face contact stops elastomeric pinching, maintaining uniform gasket elasticity across repeated baking cycles reaching 150°C.
Flange Hinge Mechanical and Assembly Profile
| Joint Retention Architecture | Circumferential Motion Path | Maximum Angular Throat Span | Flange Edge Galling Potential |
|---|---|---|---|
| Twin-Pin Articulated Arc | Dual-Axis Parallel Draw | 180° Complete Lay-Flat | Minimal Surface Drag |
| Single Fixed Hinge Pin | Single-Axis Rotary Sweep | Restricted Wedge Opening | Uneven Arc Abrasion |
| Bolted Perimeter Lug Set | Direct Linear Vector Pull | Segmented Multi-Piece Placement | Heavy Point Loading |
Lateral Insertion Efficiency Along Congested Pipeline Bundles
Vacuum manifolds installed inside instrument housings leave minimal space between adjacent lines. Applying an articulated kf25 clamp with a wide throat profile permits quick side mounting around existing pipework without forcing connected hardware apart.
Independent pin rotation allows the clamp frame to spread open completely flat. Single-point wing nut tightening locks the joint securely, speeding routine gauge maintenance in deep enclosures.
Neutralizing Foreline Pulsations on Roughing Pump Exhausts
Rotary vane pumps and mechanical blowers impart strong cyclic vibrations into rigid exhaust manifolds. While rigid double claw clamps secure heavy plain-edge flanges with isolated point loads, dual-pin collars wrap the joint taper entirely to distribute dynamic shock around the flange perimeter.
Continuous ring hoop tension prevents fastener loosening under continuous mechanical shock. Symmetrical collar geometry maintains hermetic seal integrity throughout continuous industrial manufacturing operations.
Product Description
| Product Name: | KF Double Pin Vacuum Clamp |
| Size: | 1/2"-2" |
| Material: | SS304 |
| 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





