Description
eClass-No.: | 37010905 |
Application: | Industrial installations, processing technology, plant manufacturing, etc. |
Medium: | Steam, neutral gases, vapours and liquids |
Scope of application
Safety valves are used to protect pressurised systems.
The information complies to the Pressure Equipment Directive 2014/68/EU.
It is the responsibility of the machine planner to ensure compliance.
The special markings on the valve must be taken into account.
Refer to the catalogue sheet to see which materials are used in standard versions.
Please contact the supplier or the manufacturer if you have any questions.
Operating principles
Safety valves are safety devices designed to prevent the pressure in any pressurised system from exceeding the maximum permissible pressure by more than the permissible tolerance of, usually +10%.
Diagram
Parts | ||||
Pos. | Sp.p. | Description | Fig. 32.966 / 968 / 969 – 3c.966 / 968 / 969 | Fig. 52.966 / 968 – 5c.966 / 968 |
1 | Bonnet | SA216WCC | SA351CF8M | |
2 | x | Base | SA351CF8M | |
4 | Guide | SA351CF8M (liquid+air) / Monel SA494M35-2 (steam) | ||
7 | x | Gasket (base/bonnet) | Stainless steel | |
12 | x | Disc | SA479Gr.316L | |
14 | Stem | SA479Gr.316L | ||
15 | x | Gasket | Stainless steel | |
17 | Compression screw | SA479Gr.316L | ||
19 | Hexagon nut | SA58Gr.303 SS | ||
21 | Compression nut | SA479Gr.316L | ||
22 | Locking screw (ring pin assembly) | SA479Gr.316L | ||
26 | Top spring step | SA108Gr.1018 | ||
27 | x | Gasket (cap) | Stainless steel | |
28 | Cap, closed (Fig. 966) | SA216WCC | SA351CF8M | |
29 | Cap, open (Fig. 969) | Gray iron | — | |
30 | Cap, gastight (Fig. 968) | SA216WCC | SA351CF8M | |
35 | Lift fork | SA216WCC | SA351CF8M | |
36 | Lifting lever | Gray iron | ||
37 | Spring | Chrome alloy (up to 650°F) / Inconel X750 (optional) | SA313Gr.316 /
Inconel X750 (optional) |
|
41 | Lever, open (excentric lever) | Gray iron | ||
71 | x | Gasket (gag screw) | Stainless steel | |
72 | Gag screw | SA479Gr.316L | ||
74 | Retaining plate | SA479Gr.316L | ||
75 | x | O-ring | Viton | |
77 | Retaining screw | SA479Gr.304L | ||
└ Spare parts |
ARI-REYCO RL Series
ANSI-Full Nozzle-Safety Relief Valve – closed bonnet – closed lifting device
PHONE: 0812-3340-4116WHATSAPP: 0812-3340-4116
ARI ARMATUREN – Steam product solution
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