Richter GUT/F Series Overflow Valves Manual de usuario descargar pdf (Pagina 4)

Series GUT/F Page 4

9530-071-en Revision 10

TM 8361 Edition 10/2011

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 8

, Flange connection valve /

pipe is leaking.

The following tightening torques are recommended.

Pipe screws

, flanges to ISO/DIN

Flange

nom. size

Screws Tightening torque

[mm] [ISO/DIN] [Nm] [in-lbs]

25 4 x M 12 10 90

Pipe screws

flanges to ASME Class 150 or flanges ISO/DIN drilled

to ASME Class 150

Flange

nom.size

Screws Tightening torque

[mm] [inch] [ASME] [Nm] [in-lbs]

25 1“ 4 x ½“ 8 70

Pipe screws

Flansche nach ASME Class 300

Flange

nom.size

Screws Tightening torque

[mm] [inch] [ASME] [Nm] [in-lbs]

25 1 4 x M“ 15 133

Cover screws ISO/DIN

Flange

nom. size

Screws Tightening torque

[mm]

[inch

]

[ISO/DIN] [Nm] [in-lbs]

25 1“ 4 x M 10 50 442

Cover screws ASME

Flange

nom. size

Screws Tightening torque

[mm] [inch] [ASME] [Nm] [in-lbs]

25 1“ 4 x ½“ 50 442

1.3 Screw-in tool for valve seat

Nominal size

Article No.

[mm] [inch]

25 1“ 9568-96-1001

1.4 Pressure-temperature diagram

The diagram shows the max. admissible pressure /

temperature loading of the body.

When used in the minus temperature range,

the regulations applicable in the country in

question must be observed.

For applications under -10 °C (14 °F) to -60 °C (-76

°F) a special material must be selected for the spindle.

When used in the area of application of ASME or

ANSI/ISA, the low temperature of ASTM A395 is

limited to -20°F (-29°C).

Test pressure p1

Back pressure p2

1 2 3 4 5 6 7 8 9 ... 19 20

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