Samson S2000 Instrukcje Operacyjne Pobierz pdf (Strona 20)

4.2 Attachment according to

IEC 60534-6 (NAMUR)

Refer to Table 3 on page 44 for the required

mounting parts as well as the accessories

with their order numbers.

Note the travel table on page 15.

The positioner is attached to the control

valve with a NAMUR bracket (10).

1. Screw the two bolts (14) to the bracket

(9.1) of the stem connector (9), place the

follower plate (3) on top and use the

screws (14.1) to tighten.

Actuator size 2800 cm

²

and 1400 cm²

(120 mm travel):

– For a travel of 60 mm or smaller,

screw the longer follower plate (3.1)

directly to the stem connector (9).

– For a travel exceeding 60 mm,

mount the bracket (16) first and then

the follower plate (3) to the bracket

together with the bolts (14) and

screws (14.1).

2. Mount NAMUR bracket (10) to the con

-

trol valve as follows:

–

For attachment to the NAMUR rib,

use an M8 screw (11), washer, and

toothed lock washer directly in the

yoke bore.

–

For attachment to valves with

rod-type yokes, use two U-bolts (15)

around the yoke. Align the NAMUR

bracket (10) in such a way that the

slot of the follower plate (3) is cen

-

trally aligned with the NAMUR

bracket at mid valve travel.

3. Mount connecting plate (6) or pressure

gauge bracket (7) with pressure gauges

(8) on the positioner, making sure both

seal rings (6.1) are seated properly.

4. Select required lever size (1) M, L or XL

and pin position according to the actua

-

tor size and valve travels listed in the ta

-

ble on page 15.

Should you require a pin position other

than position 35 with the standard in

-

stalled lever M, or require a lever size L

or XL, proceed as follows:

5. Screw the follower pin (2) in the as

-

signed lever bore (pin position) as listed

in the table. Only use the longer follower

pin (2) included in the mounting kit.

6. Place lever (1) on the positioner shaft

and screw tight using the disk spring

(1.2) and nut (1.1).

Note: If you have mounted a new lever (1),

you must move it once all the way as far as

it will go in both directions.

7. Place positioner on the NAMUR bracket

in such a manner that the follower pin

(2) rests in the slot of the follower plate

(3, 3.1). Adjust the lever (1) correspond

-

ingly.

Screw the positioner to the NAMUR

bracket using both its fixing screws.

20 EB 8384-4 EN

Attachment to the control valve – Mounting parts and accessories

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