ARI-CHECKO®-D

Wafer-typ flange-Check valve metallic sealing

Description

eClass-No.:	37010801
Application:	Recycling facilities, chemical industry, hospital technology, process water installations, installations with aggressive media
Medium:	Process water, aggressive media, etc.

ARI-CHECKO®-D 001

Disc check valve in clamping version (Stainless steel)

Figure	Nominal pressure	Material	Nominal diameter
55.001	PN40	1.4408	DN15-100
	DN125-350 on request.
Set pressure 0,02 barg. The operating point of the valve cannot be chosen in the unstable region!
Shut off class valve plate standard: • metallic sealing Leakage rate BN2/BO3 acc. to DIN 3230-3 (Leakage rate D acc. to DIN EN 12266-1 fulfilled) optional: • EPDM-soft sealing (max. 120°C) Leakage rate A acc. to DIN EN 12266-1 • NBR-soft sealing (max. 80°C) Leakage rate A acc. to DIN EN 12266-1 • FPM (Viton)-soft sealing (max. 150°C) Leakage rate A acc. to DIN EN 12266-1 (not for hot water useable)

Parts
Pos.	Sp.p.	Description	Fig. 55.001
1		Body	GX5CrNiMo19-11-2, 1.4408
4		Spring	X10CrNi18-8, 1.4310
8	x	Valve plate	X6CrNiMoTi17-12-2, 1.4571
9		Spring plate	X6CrNiMoTi17-12-2, 1.4571
	└ Spare parts

100

Face-to-face dimension FTF series 49 acc. to DIN EN 558
L	(mm)	16	19	22	28	31,5	40	46	50	60

Dimensions
ØD (acc. to DIN EN 14341)	(mm)	13	19	25	31	38	50	63	76	100
ØD1	(mm)	45	55	65	75	85	98	118	134	154
Kvs-value	(m³/h)	4,4	7,1	12	19,5	25	46	69	87	122
Zeta-value	—	4,18	5	4,33	4,4	6,54	4,72	6	8,64	10,73
Zeta-value … range of tolerance for Kvs-values acc. to VDI/VDE 2173

Weights
55.001	(kg)	0,16	0,28	0,43	0,68	0,94	1,36	2,0	2,8	3,7

Information / restriction of technical rules need to be observed!

Operating and installation instructions can be downloaded at www.ari-armaturen.com. A production permission acc. to TRB 801 No. 45 is available.

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

Resistance and fitness must be verified (contact manufacturer for information, refer to Product overview and Resistance list).

ARI-CHECKO®-D DN125-350

CHECKO®-D DN125-350

Material: • Stainless steel

(DN125-200: GX5CrNiMo19-11-2, 1.4408,

DN250-350: X2CrNiMo17-12-2, 1.4404) Nominal pressure: • PN10 – 40

Verwendung: • For liquids, gases and steam in all industrial

processes

Features: • Centering at the body

(outside-Ø or centering ring)

Flange sealing surfaces with grooves
Operating limits acc. to DIN EN 1092-1 and AD-leaflets W10
Metallic sealing (GX5CrNiMo19-11-2, 1.4408), Tightness acc. to DIN EN 12266-1, Leakage rate D
Marking acc. to DIN EN 19 Max. temperature: • 300°C
optional up to max. 500°C

Connection: • Mounting between flanges to DIN EN 1092-1

Form B1, PN 6 / 10 / 16 / 40

Mounting between flanges to ANSI B16.5 Class 150 / 300 RF

Options: • Spring of Hastelloy up to 400°C

Spring of Nimonic up to 500°C
EPDM soft sealing (-50°C up to 130°C) Leakage rate A acc. to DIN EN 12266-1
NBR soft sealing (-30°C up to +120°C) Leakage rate A acc. to DIN EN 12266-1
VITON soft sealing (-20°C up to +200°C) Leakage rate A acc. to DIN EN 12266-1
PTFE soft sealing (-200°C up to +200°C) Leakage rate D acc. to DIN EN 12266-1

DN			125	150	200	250	300	350
Set pressure	Δp ↑	(mbar)	37	40	46	69	73	73
	Δp →	(mbar)	22	25	28	42	44	44
	Δp ↓	(mbar)	7	10	10	15	15	15

Pressure-temperature-ratings

Intermediate values for max. permissible operational pressures can be determined by linear interpolation of the given temperature / pressure chart..

acc. to DIN EN 1092-1			-200°C up to 20°C	100°C	150°C	300°C	400°C	500°C
1.4408	PN10 / 16 / 25 / 40	(bar)	40 40 36,3 29,7 40 37,9 34,4 27,6 Standard spring				27,4 25,7 Spring of Hastelloy C4 (optional)	26,4 24,3 Feder aus Nimonic (optional)
1.4404	PN10 / 16 / 25 / 40	(bar)

DN				125	150	200	250	300	350
Q water	at Δp	0,05 bar	(m³/h)	47,3	72,9	126,1	—	—	—
		0,07 bar	(m³/h)	56,0	86,3	149,2	237,3	349,2	457,2
		1 bar	(m³/h)	211,4	326	564	897	1320	1728
Travel			(mm)	27	35	46	55	84	84
Zeta-value				8,42	7,35	7,76	7,49	7,17	7,75
Δp min. stable			(bar)	0,05	0,05	0,05	0,07	0,07	0,07
Q water min stable			(m³/h)	47,3	72,9	126,1	237,3	349,2	457,2