Kf Clamp 16 40 50
- 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
- Connection:
- Clamped
A KF clamp joins compatible vacuum flanges through controlled clamping force around the connection. For pressure vessel vacuum ports, flange geometry, centering ring position, O-ring fit, and clamp alignment affect sealing performance. A suitable configuration provides a removable connection for vacuum piping and chamber components.
How a KF Clamp Seals
A KF clamp works with a centering ring and O-ring between two mating flange faces. Tightening the clamp draws the flanges together and compresses the O-ring to form the vacuum seal. Clean sealing faces and proper alignment reduce the risk of leakage during operation.
ISO-K and ISO-F use different fastening methods. ISO-K uses claw clamps, while ISO-F uses bolts and nuts. The pressure-vessel configuration is intended for HV chamber ports and larger ISO connections.
KF16 KF40 KF50 Explained
A kf 16 clamp is associated with the smaller ISO-KF vacuum flange family. A kf40 clamp uses a larger nominal connection, while a kf 50 clamp represents another size within the small-flange series. Each size requires matching flange dimensions, centering rings, O-rings, and mating components.
Nominal size alone does not confirm compatibility. The flange standard and connection geometry should also be checked before ordering.
Vacuum Clamp Compatibility Checks
| Check Point | What to Verify |
|---|---|
| Flange family | ISO-KF, ISO-K, or ISO-F |
| Seal arrangement | O-ring and centering ring fit |
| Connection location | Vessel port or vacuum line |
| Assembly condition | Alignment and external pipe load |
Vessel Port Integration Materials
A vacuum vessel connection may link to ferrules, elbows, tees, crosses, or Tri Clamp fittings within the surrounding process system. Matching the clamp, flange, seal, and fitting dimensions keeps the assembly consistent and simplifies maintenance.
The pressure-vessel configuration uses SS304 construction with CNC machining and Ra≤0.8 surface treatment. Food Grade Silicone, Viton, and PTFE gasket options suit different service conditions.
Frequently Asked Questions About KF Clamps
What is a KF clamp used for?
A KF clamp joins compatible vacuum flanges and keeps the sealing components compressed between the mating faces.
Are KF16, KF40, KF50 clamps interchangeable?
No. Each size requires matching flange dimensions plus compatible centering and sealing components.
What affects KF clamp sealing performance?
Flange alignment, O-ring condition, centering ring placement, and clamping force all affect the vacuum seal.
Installation Factors Affecting Sealing
The O-ring should sit evenly without twisting or pinching, while the mating flanges should remain aligned during clamp installation. Unsupported piping should not place excessive force on the joint. These conditions reduce sealing problems and support stable vacuum service.
Product Description
| Product Name: | Pressure Vessel Clamp |
| Size: | KF63ISO-KF630ISO |
| 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 |



