Welding And Assembly Instructions; General Remarks; Delivery Condition Of Svp Aseptic Change-Over Valve; Installation Instructions - Pentair BAA A390-D.03 Select Operating Instructions Manual

6.1.

General remarks

Welding works have to be effected only by approved qualified personnel
(DIN EN ISO 9606-1 W8)
Caution
Pentair Südmo cannot be held liable for any damage resulting from incorrect installation.
6.2.

Delivery condition of SVP aseptic change-over valve

⇒
Factory-tested and adjusted.
⇒
Ready for installation or for welding into the piping
6.3.

Installation instructions

6.3.1.

Installation space

Determine and define the connection axes before starting installation work. Observe the installation dimensions specified
in the dimensional drawings.
Ensure that there is sufficient space available for both operation and maintenance, which may include removal.
6.3.2.

Installation

Make sure that the fittings and piping are not subjected to tensile or compressive stresses.
6.4.

Welding instructions

6.4.1.

Area of application

Welding of fittings into pipes according to DIN 11850 Reihe 1, 2; OD-Tube; DIN EN ISO 1127
6.4.2.

Welding technique

TIG (tungsten inert-gas welding)
6.4.3.

Type of welding

⇒
Preparation of the welding seam according to DIN 2559 (groove shape I / for I-groove)
⇒
Welding seams corresponding to DIN EN ISO 5817  evaluation group B (high)
6.5.

Weld preparation

⇒
Saw off the pipe ends evenly and at right angles, and debur them (pipe saw M882).
⇒
Align the welding ends of the valve body and piping radially and axially, ensuring they are fitted flush together (cen-
tering device).
⇒
Avoid too large a gap at the flush-fitting welding ends.
⇒
Make sure that enough forming gas arrives at the welding seam.
6.6.

Welding

⇒
Connect the forming gas.
⇒
Tack at 3 or 4 points.
⇒
Weld valve  type of welding TIG manual or orbital (automatic welding).
16
Copy of original operating instructions
SVP aseptic change-over valve, pneum. operated
DN 010 – 020, OD 0.50" – 0.75"; ISO 008 – 015
6.

Welding and assembly instructions

Operating instructions
diaphragm – O-ring
created on/by
en
reviewed on/by
BAA A390-D.03
Select
Version 5.04
22.03.2017 Graf H.
22.03.2017