Replacing Parts of the Valve Head

For details about the needed parts and orientation please refer to Valve Drive Parts.

For details about the needed parts and orientation please refer to --- MISSING LINK ---.

Disassembling and reassembling the valve head

For bio-inert modules use bio-inert parts only!

Do not mix with bio / biocompatible parts.

For biocompatible modules use bio / biocompatible parts only!

Do not mix with bio-inert parts.

When

Stator head: Scratches and damage on the inner surface, blockages
Stator face assy: When visibly scratched, or when the valve performance shows indication of leakage or wear
Rotor seal assy: When the valve performance shows indication of leakage or wear

Tools required

Qty.		p/n	Description
1			Hex key

Parts required

Qty.		p/n	Description
1			Quick Change Valve Head

WARNING

Toxic, flammable and hazardous solvents, samples and reagents

The handling of solvents, samples and reagents can hold health and safety risks.

Be sure that no solvent can drop out of the solvent connections when removing them from your valve head.
When working with these substances observe appropriate safety procedures (for example by wearing goggles, safety gloves and protective clothing) as described in the material handling and safety data sheet supplied by the vendor, and follow good laboratory practice.

Use the Hex Key to open and remove the Stator Screws from the Stator Head.
Carefully disassemble the necessary Valve Head parts to gain access to the one you want to replace. While doing so please observe the orientation of the parts.
Independent of the part you want to replace always inspect all parts for signs of damage.
Replace the proposed part.

NOTE
Always mind the correct orientation of the parts and avoid to touch their surfaces.
Turn each of the screws an equal amount until they are finger-tight, then tighten them for another half turn.

21-Jun-2025