ARI-ZEDOX 121

Butt weld ended high performance valve – Double offset

ARI-ZEDOX 121 Butt weld ended high performance valve - Double offset
eClass-No.: 37010301
Application: Oil and gas processing, refineries, petrochemicals, chemicals, power plants, district heating, solar thermal power stations, pulp and paper, steelworks, sugar processing, industrial and plant manufacturing, Shipbuilding, specific applications in HVAC
Medium: Refrigerant, cooling water, warm water, hot water, thermal oil, steam, gas, alkalis, acids, de-ionised water, pure steam, etc.

• Carbon steel / stainless steel body
• Double offset construction: Rotary movement (90°) without wear or friction
• Metallic or PTFE+C sealing
• Bi-directional tightness
• Replaceable seat ring
• Fire Safe acc. to ISO 10497 / BS6755
• ATEX (optional)

ARI-ZEDOX 121 Butt weld ended high performance valve - Double offset

Figure Nominal pressure Material Nominal diameter Sealing element
31.1211) PN 6 – PN 10 1.0619+QT DN 200-800 PTFE+C (TS)
DN 200-1600 Stainless steel (CS)
32.1211) PN 16 1.0619+QT DN 200-800 PTFE+C (TS)
DN 200-1600 Stainless steel (CS)
34.1211) PN 25 1.0619+QT DN 200-800 PTFE+C (TS)
DN 200-1600 Stainless steel (CS)
51.1211) PN 6 – PN 10 1.4408 DN 200-800 PTFE+C (TS)
DN 200-1600 Stainless steel (CS)
52.1211) PN 16 1.4408 DN 200-800 PTFE+C (TS)
DN 200-1600 Stainless steel (CS)
54.1211) PN 25 1.4408 DN 200-800 PTFE+C (TS)
DN 200-1600 Stainless steel (CS)
Face-to-face dimension series 14 acc. to DIN EN 12982 Standard: Bolted Bottom cover (BBC)

Optional: Welded Bottom cover (WBC)

Parts
Pos. Sp.p. Description Fig. 34.121 Fig. 54.121
1 Body 1.0619+QT 1.4408
2 Disc 1.4408 (optional 1.4460)
3 Pivot 1.4021+QT 1.4542
4 Bottom cover 1.4404 (BBC), (optional WBC: 1.0565) 1.4404
5 Stem 1.4021+QT 1.4542
6 Pin A4-70
7 Bushing P1 Inconel 625
8 Retaining ring 1.4122+QT
9 / 24 x Shim 3) 978-C / SIGRAFLEX HIGH PRESSURE (SIGRAFLEX HIGH PRESSURE for steam version)
10 x Seat ring CS: 1.4404 (optional: 1.4539)

TS: PTFE+C; special material on request

11 Retaining ring 1.0425 1.4404
12 Socket screw A4-80
13 Washer A4
14 Back-up-ring 1.4404
15 x Box packing Graphite
16 Shaft seal bushing 1.4404
17 / 18 x O-ring EPDM / FPM (not fitted in steam version)
19 Gland 1.4404
21 Key A4
22 Axial-washer P1 Inconel 625
23 x Shim 978-C / SIGRAFLEX HIGH PRESSURE (SIGRAFLEX HIGH PRESSURE for steam version)
26 Hexagon srew A4-70
30 Mounting bracket 1.0576 (galvanized)
31 Socket srew A4-70
32 Hexagon nut A4-70
33 Retaining washers pair A4
34 Stud A4-70
35 Hexagon nut A4-70
└ Spare parts

Information / restriction of technical rules need to be observed!

The engineer, designing a system or a plant, is responsible for the selection of the correct valve.

Resistance and suitability must be verified (contact manufacturer for information, refer to Product overview). TS = PTFE+C (Teflon) seal and Stainless steel disc

CS = Chromed seatring and Stainless steel disc

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