wwaterjet 
SP4-126 Clamp
The Clamp SP4-126 is a precision fixture component in the TECHNI waterjet pump assembly. It is designed to hold or “clamp” together adjacent internal parts—such as cylinder liners, end-cap inserts, seals, or other pump head components—ensuring that they remain properly aligned and compression-sealed under the intense pressure generated during cutting. The clamp must be manufactured from high-strength, corrosion-resistant material and machined accurately to maintain tight tolerances, as any misalignment or play can lead to seal failure, leakage, or loss of cutting efficiency. In the maintenance or rebuild of a pump, using the correct SP4-126 clamp helps to preserve the pressure integrity, reduce vibration, and extend the longevity of related components.
ITEM NO. | Description | Part Number | Quantity |
1 | Clamp ring | SP4-50 | 1 |
2 | M12x1.25x40 SHCS BLK | 110-1-1240 | 12 |
3 | Plunger | SP-46-3 | 1 |
4 | Internal Circlip | 501-1-0010 | 1 |
5 | O-ring | 500-5-0049 | 2 |
6 | O-ring | 500-5-0089 | 1 |
7 | Seal Housing | SP4-45-175 | 1 |
8 | Wiper Seal | SP1042 | 2 |
9 | Guide Bush | SP4-46-175 | 1 |
10 | M6 x 10 SHCS Black | 108-1-0610 | 1 |
11 | HP Seal Kit | SP1060 | 1 |
12 | Cylinder Liner | SP4-69-175 | 1 |
13 | Cylinder Body | SP-49-13 | 1 |
14 | Check Valve Housing | SP-72-7 | 1 |
15 | LP Check Valve Spring | 500-12-0040 | 1 |
16 | Check Valve Poppet | SP-73-2 | 1 |
17 | Sealing Head | SP-71-9 | 1 |
18 | O-Ring- BS033 | 500-5-0042 | 2 |
19 | Cylinder Retaining Sleeve | SP2-70-5 | 1 |
20 | Valve Seat | 500-20-0111 | 1 |
21 | Outlet Poppet | 500-20-0113 | 1 |
22 | Spring | 500-20-0112 | 1 |
23 | Check valve outer body | 500-20-0100 | 1 |
24 | O-ring | 500-5-0111 | 1 |
25 | End Cap Insert | SP4-125 | 1 |
26 | Clamp | SP4-126 | 3 |
27 | M6 x 12 SHCS Black | 108-1-0612 | 3 |
NA | Collar | 10078715 | 1 |
NA | Gland nut 3/8" | 10078129 | 1 |
High Pressure Outlet Poppet Repair Kit | 500-20-0110 | ||
20 | Valve Seat | 500-20-0111 | 1 |
21 | Outlet poppet | 500-20-0113 | 1 |
22 | Spring | 500-20-0112 | 1 |
Guide Bush Assembly Kit G4 | SP1120 | ||
5 | O-ring | 500-5-0049 | 2 |
6 | O-ring | 500-5-0089 | 1 |
7 | Seal Housing | SP4-45-175 | 1 |
8 | Wiper Seal | SP1042 | 2 |
9 | Guide Bush | SP4-46-175 | 1 |
