Series GU/F
Page
3
9530-020-en
Revision 15
TM 10477
Edition 05/2022
1
Technical data
Manufacturer :
Richter Chemie-Technik GmbH
Otto-Schott-Str. 2
D-47906 Kempen
Telephone: +49 (0) 2152 146-0
Fax:
+49 (0) 2152 146-190
E-Mail:
Internet:
Designation :
Series GU/F, overflow and pressure relief valve with
an inline body.
They are direct-acting and spring-loaded and
classified as standard valves as regards their opening
characteristic.
DN 25 certified for liquids.
Certification number TÜV-SV...993.
Standard overflow valve, design and operation to
German AD data sheet A2 (on pressure vessels), ISO
4126
Certified to Clean Air Act (TA Luft)
Strength and tightness (P10, P11) of the pressure-
bearing body tested to DIN EN 12266-1.
Gas-tight (P12) in the seat to DIN EN 12266-1,
leak rate A
Face to face alternatively:
♦
DIN EN 558-1 basic series 1, ISO 5752 series 1
with flanges DIN EN 1092-2, type B
(ISO 7005-2 Type B) PN 16 or flanges drilled to
ASME B16.5 Class 150
♦
ANSI/ISA-75.08.09-2004, class 150 with flanges
ASME B16.5 Class 150, raised face
♦
ANSI/ISA-75.08.09-2004, class 300 with flanges
ASME B16.5 Class 300, raised face
Materials :
Body material:
Ductile cast iron EN-JS 1049 /
ASTM A395
Lining material:
PTFE/PFA
on request
non-conductive design
Bellows:
PTFE
Seat and Plug: modified PTFE
Option unmodified PTFE, Hastelloy
Set pressure :
Valve size
Set pressure
[bar]
25
0.25
–
13
40
0.2 - 13
50
0.1 - 13
65
0.1 - 13
80
0.1 - 10
Temperature range :
-60 °C to +180 °C
See pressure-temperature diagram in Section 1.5.
Valve size in mm
DN 25, 40*, 50, 65, 80, in mm
* Availability on request
1“, 1½“, 2“, 3“, in inches, Cl 150
1“, 1½“, 2“ in inches, Cl 300 on request
Weight :
Nominal size
ISO ASME
Weight
ca.kg
25
1“
15
40
1½“
25
50
2“
27
65
--
28
80
3“
50
Installation position :
A direction arrow on the shell indicates the direction of
flow. See Section 6.5.
Dimensions and individual parts :
Please pay attention to the drawing in Section 10.
Options :
♦
gas-tight design
♦
Signal transmitter
1.1 Type plate, CE and body
markings, type plate test pres-
sure
The stainless steel name plate is undetachably
riveted to the body.
Another stainless steel tag plate riveted to the valve
indicates the test pressure.
If the operator attaches his identification, it must be
ensured that the valve matches the application in
question.
Example of name plate with CE marking:
Summary of Contents for GU/F Series
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