Richter BVIP/F Series Ball Valves (ISO/DIN) - Manual (Page 4)

Series BVI/F, BVIP/F
Page 4
9520-090-en Revision 10
TM 8361 Edition 10/2011
1.1 Name plate and body
identification
The stainless steel name plate is undetachably riveted
to the body.
If the operator attaches his identification, it must be
ensured that the valve matches the application in
question.
Example of name plate:
Body identification :
The shell bears the following information:
Nominal size
Rated pressure
Body material
Manufacturer's identification
Melt number/Foundry identification
Cast date
1.2 Tightening torques
All screws greased, tighten in diametrically opposite
sequence!
The tightening torques for pipe screws and body
screws mentioned must not be exceeded. For an
exception, see Section 7, Flange connection valve /
pipe is leaking.
The following tightening torques are recommended:
Packing screws
Thighten packing gland follower 503 until spring gland
follower 502 is in contact without any gap. With DN
80, 100 and 150 they are 2 spring gland follower 502.
Attention:
Excessive tightening of the packing nuts can result in
a damage of the plastic lining. Tighten only as much
as necessary, to obtain stem seal tightness.
Pipe screws
Flanges
nom. size
Screws
Tightening
torque
[mm] [ISO/DIN] [Nm]
25 4 x M12 10
40 4 x M16 20
50 4 x M16 26
80 8 x M16 25
100 8 x M16 35
150 8 x M20 65
Pipe screws
Flanges nom.
size
Screws Tightening torque
[mm] [inch] [ASME] [Nm] [in-lbs]
25 1" 4 x ½“ 8 70
40 1½" 4 x ½“ 15 135
50 2" 4 x K“ 25 220
80 3" 4 x K“ 45 400
100 4" 8 x K“ 35 310
150 6" 8 x ¾“ 80 710
Body screws
Nom. size Screws Tightening torque
[mm] [ISO/DIN] [Nm] [in-lbs]
25 4 x M10 35 310
40 4 x M16 45 400
50 4 x M16 45 400
80 6 x M16 50 445
100 6 x M20 60 530
150 8 x M20 150 1330
1.3 Flow values
Nom. size kv
100
Cv
[inch] [m 3 /h] [US gpm]
25 60 70
40 190 221
50 280 326
80 587 684
100 1250 1456
150 2800 3262