ARI-ZEDOX 121

Butt weld ended high performance valve – Double offset

Description

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.

Features

• 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)

Technical data

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