ARI-SAFE-TCP

Standard safety valve with thread connection – closed bonnet – closed lifting device – acc. to VdTÜV sheet 100, AD2000-A2 and EN ISO 4126-1

Description

eClass-No.:	37010905
Application:	Chemical Industry, processing industry, plant manufacturing
Medium:	Steam, aggressive gases, vapours and liquids

Technical data

ARI-SAFE-TCP closed bonnet - closed lifting device

Figure	Nominal pressure		Material		Nominal diameter	Temperature range	Connection
67.961 / 962 / 963	PN100		1.4581/EN-JS1049		DN15 – 25	-10°C to +300°C (up to +400°C on request)	Thread DIN ISO 228 Part 1
57.961 / 963	PN100		1.4581		DN15 – 25	-60°C to +300°C (up to +400°C on request)	Thread DIN ISO 228 Part 1
67.961 / 962 / 963….1	PN100*		1.4581/1.4571/EN-JS1049		DN15- 25	-10°C to +300°C (up to +400°C on request)	Flange DIN EN 1092-1
57.961 / 963….1	PN100*		1.4581/1.4571		DN15- 25	-10°C to +300°C (up to +400°C on request)	Flange DIN EN 1092-1
* optional flange ANSI600 EN 1759-1
Construction
Safety valve, spring loaded, direct loaded
Requirement
Acc. to EN ISO 4126-1, VdTÜV-leaflet 100, AD2000-A2
Type-test approval
Standard safety valve:		Fig. 961/962/963		TÜV · SV · . . -1041 · D/G
Standard safety valve:		Fig. 961/963		TÜV · SV · . . -1041 · F
Sizing
for steam, air and water refer to capacity tables, calculations acc. to EN ISO 4126-1, TRD 421 and AD2000-A2
Details required
Medium gasform:		Mass flow (kg/h), molar mass (kg/kmol), Isotropic exponent, temperature (°C), set pressure (barg), back pressure (barg)
Medium liquid:		Mass flow (kg/h), density (kg/m³⁾, viscosity, temperature (°C), set pressure (barg), back pressure (barg)
Order data:
ARI-SAFE-TCP – Safety valve, Figure ….., DN … / …, PN .. / .., Material …….., Set pressure …. bar
standard: without metal bellows
Superimposed back pressure		no backpressure allowed
Built up back pressure		max. 10% from set pressure (higher on request)

Parts
Pos.	Sp.p.	Description	Fig. 67.961/962/963	Fig. 57.961/963
1		Body	GX5CrNiMoN19-11-2, 1.4581
4		Spindle guide	X6CrNiMoTi17-12-2, 1.4571
7	x	Gasket	Pure graphite (CrNi laminated with graphite)
11		Bonnet, closed	EN-GJS-400-18U-LT, EN-JS1049	GX5CrNiMoN19-11-2, 1.4581
12		Disc	X6CrNiMoTi17-12-2, 1.4571
14	x	Spindle	X6CrNiMoTi17-12-2, 1.4571
17		Adjusting screw	X2CrNiMo17-12-2, 1.4404
27	x	O-ring	FPM
28		Cap, closed	GX5CrNiMoN19-11-2, 1.4581
29		Cap, open	GX5CrNiMoN19-11-2, 1.4581
30		Cap, gastight	EN-GJS-400-18U-LT, EN-JS1049	GX5CrNiMoN19-11-2, 1.4581
36		Lever, closed (optional: Fig. … .961 / Fig. … .962)	EN AC-4420 (Al)
37	x	Spring	FDSiCr	X10CrNi18-8, 1.4310
65		Coupling	X6CrNiMoTi17-12-2, 1.4571
66		O-ring	FPM
67		Lift button	X6CrNiMoTi17-12-2, 1.4571
	└ Spare parts

Spring ranges: Standard design
	(barg)	0,2 – 0,25
	(barg)	> 0,25 – 0,5
	(barg)	> 0,5 – 1
	(barg)	> 1 – 1,4
	(barg)	> 1,4 – 2,95
	(barg)	> 2,95 – 4,9
	(barg)	> 4,9 – 12
	(barg)	> 12 – 20
	(barg)	> 20 – 27
	(barg)	> 27 – 35
	(barg)	> 35 – 45
	(barg)	> 45 – 59
	(barg)	> 59 – 100

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

DN	15			20			25
NPS	1/2 x 1/2	1/2 x 3/4		3/4 x 1/2	3/4 x 3/4	3/4 x 1	1 x 1
DN1 / DN2	DN 15 / 15	DN 15 / 20	DN15 / 25		DN 20 / 20	DN 20 / 25	DN 25 / 25

Dimensions
d0	(mm)	12	12	12	12	12	12	12
A0	(mm²)	113	113	113	113	113	113	113
GE	(inch)	1/2	1/2	—	3/4	3/4	3/4	1
GA	(inch)	1/2	3/4	—	1/2	3/4	1	1
b	(mm)	15	15	—	16	16	16	18
l	(mm)	42	47	—	42	47	50	50
l1	(mm)	34	34	—	34	34	34	34
l2	(mm)	110	110	110	—	110	110	110
l3	(mm)	85	85	85	—	85	85	120
H	(mm)	189	189	110	189	189	189	189
X	(mm)	100	100	85	100	100	100	100

Weights
standard	(kg)	1,2	1,2	—	1,2	1,2	1,2	1,2
optional: flange design	(kg)	3,7	4,5	5,0	—	5,4	5,9	6,6

DN		15	20	25
Flange acc. to DIN EN 1092-1
ØD	(mm)	105	130	140
b	(mm)	20	22	24

Standard-Flangeholes
ØK	(mm)	75	90	100
n x Ød	(mm)	4×14	4×18	4×18

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			-60°C to <-10°C	-10°C to 100°C	150°C	200°C	250°C	300°C	350°C	400°C	450°C
1.4581	PN100	(bar)	75	100	98	93,3	88,5	83,3	80,4	78	—

Certified coefficient of discharge Kdr (Values for D/G variable: < 4 bar)
DN	15	20	25
TÜV · SV · . . – 1041 · D/G	0,30
TÜV · SV · . . – 1041 · F	0,23