DIN Ari 901 Safety Relief Valve

Product Description

900 series DIN standard safety valve are mainly applied to the industries such as petroleum&natural gas,Chemistry,Electric,Metallurgy&Burning gas.

Din standard safety valve specification.

Type	Nominal Pressure	Body Material	Nominal Diameter	Working Temp.
GA901/902/911/912	PN40/16	Cast Steel 1.0619+N	20/32mm-150/250mm	-10~450 deg
GA901/911	PN40/16	Stainless Steel 1.4408	20/32mm-100/150mm	-60~450 deg

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DN	20/32	25/40	32/50	40/65	50/80	65/100	80/125	100/150	125/200	150/250
Throat Diameter do(mm)	18	22	29	36	45	58	72	80	100	125
Orifice Area Ao(mm)	254	398	661	1018	1590	2688	4072	6362	8825	12266
Weight(kg)	8.5	10	14	20	28	40	53	80	125	165

Main Connection Dimensions.

GA901,902,911,912 Type Safety Valve
DN*DN₁		20*32	25*40	32*50	40*65	50*80	65*100	80*125	100*150	125*200	150*250
D	PN16	105	115	140	150	165	185	200	220	250	285
D	PN40	105	115	140	150	165	185	200	235	220	300
K	PN16	75	85	100	110	125	145	160	180	210	240
K	PN40	75	85	100	110	125	145	160	190	220	250
b		20	20	20	21	22	24	26	28	31	34
D₁	PN16	140	150	165	185	200	220	250	285	340	405
K₁		100	110	125	145	160	180	210	240	295	355
b₁		19	19	20	20	20	20	22	22	27	29
L		85	100	110	115	120	140	160	180	200	225
L₁		95	105	115	140	150	170	195	220	250	285
≈H		298	311	315	355	405	555	580	690	845	890
Vent(with plug)		G3/8"			G1/2"