Welding Instructions; Installation - SPX FLOW APV DELTA SV1 Instruction Manual

APV
APV_SV1_UK-8_082017.qxp
9
7. Installation / Connections
7.2.

Welding Instructions

- Welding may only be carried out by certified welders (DIN EN ISO
9606-1). (seam quality DIN EN ISO 5817)
- The welding of the housing halves must be effected in such a way
that deformation strain cannot be transfered to the housing halves.
- TIG orbital welding is the most appropriate method.
- Before welding, all heat sensitive parts (e.g. seal, bearing, disc) of
the valve must be removed.
- After welding of the housing halves and after work at the pipelines,
the corresponding parts of the installation or pipelines must be
cleaned from welding residues and soiling.
If these cleaning instructions are not observed, welding residues
and dirt particles can settle in the valve and cause damage or be
carried over to other parts of the installation.
- Any damage resulting from the non-observance of these welding
instructions is not subject to our guarantee.
UK
Butterfly Valve
DELTA SV1
Instruction Manual: UK - rev. 8