Welding And Mounting Instructions; General Instructions; Delivery Condition Of The Disk Type Non-Return Valve; Installation Guidelines - Pentair SUDMO P740 Operating Instructions Manual

5.1.

General instructions

Welding work must only be carried out by qualified skilled personnel
(DIN EN ISO 9606-1 W8).
Pentair Südmo will not be liable for damages caused as a result of improper use.
5.2.

Delivery condition of the disk type non-return valve


Factory-tested

Completely assembled
5.3.

Installation guidelines

5.3.1.

Installation space

Determine and define the terminal axes before mounting. Refer to the dimension drawings for the installation dimen-
sions.
Ensure that there is sufficient space available for both operation and servicing.
5.3.2.

Installation

Exclude tensile and compressive stresses.
5.4.

Welding guidelines

Field of application:
Welding procedure:
Weld seam:
5.5.

Weld seam preparation


Saw off the pipe ends planar at a right angle and debur them (pipe saw M882).

Align the welding ends of the valve body and piping radially and axially for a flush fit (centering device).


12 / 34
Copy of the original operating instructions
BAA RV Solid
Type: P740, P741, P745, P750 and P760
DN 010 – 150, OD 0.50" – 6.00", ISO 008 – 125
5.

Welding and mounting instructions

Information/notice
Welded connections of weld-on fittings with pipes according to DIN 11850 series
1, 2; ASTM A270; DIN EN ISO 1127
TIG (tungsten inert gas welding)

Preparation of weld seam according to DIN 2559 (edge forms I / for I seams)

Weld seams correspond to DIN EN ISO 5817
 Evaluation group B (high)
Information/notice
Avoid too large a gap at the flush-fitting welding ends.
Make sure that enough forming gas arrives at the welding seam.
Operating Instructions
Disk type non-return valves
RV Solid series
en