Cryogenic Dual Plate Check Valve Flange Type Series 242L

Product Description

• Design Standard: API594

• Nominal Diameter: DN50-DN600 (2”-24”)

• Flange Connection: ASME B16.5 (Class150, Class300)

• Temperature range: -196 to + 300℃

• Face to Face acc: API594

• Test STD: BS6364/API598

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Material Scope

AFFCO valve believes high quality valve starts from high quality casting,forging and other raw materials. we have profound experience in compliance with stringent material standards including NORSOK and wide variety blue chip end user specifications covering both metallic and non-metallic materials.
Increasingly, serve upstream operation conditions demanding not only primary components, but also accessories like bolting, bearing ,O-ring, packing and actuation components. AFFCO valve can cater the needs of any project specifications together with our vast network of material supply chain.

Full material range

Low Temperature Carbon steels

Stainless Steel

Casting and forging grades

According to your project specifications

Non-destructive testing

PMI

MPE

DPI/LPE

UT testing/Radiography

X ray /gamma ray

High specification sub-componets

Fugitive emission material packing for option

Material standards

ASTM/EN/DIN/JIS/GB standard material for project requirement

Machining

Accuracy is ensured by high precision CNC machine and measured by CMM

Surface roughness

Surface roughness can reach Ra0.2

Design Feature

AFFCO valve, cryogenic GGC valves are engineered to meet the standard requirements of most project specifications, and a range of additional features and options make our valves suitable for even the most severe conditions.

Sealing performance satisfy BS6364/SHELL 77/200

Multiple materials are available according to service conditions

Extended bonnet to make sure reliable packing sealing performance

Fugitive emmision is available

Spray welded seat with hard alloy specified by the customer

Testing according to BS6364/SHELL 77/200

Dimensions

CL150

DN	L		D			W
DN	WF/LUG	RF	WF	LUG	RF	WF	LUG	RF
DN50	60	60	103	150	152	3.2	7	11
DN65	67	67	122	177	180	5	9	13
DN80	73	73	135	188	190	6.4	12	16
DN100	73	73	173	227	229	9.5	19	24
DN125	–	–	194	252	255	12.7	25	32
DN150	98	98	220	277	279	16	32	36
DN200	127	127	277	341	343	36	63	68
DN250	146	146	337	404	406	52	93	98
DN300	181	181	407	481	483	97	170	175
DN350	184	184	448	531	533	123	199	205
DN400	191	191	512	595	597	133	246	250
DN450	203	203	547	633	635	141	290	295
DN500	219	219	604	696	698	215	348	354
DN600	222	222	715	811	813	358	396	408

CL300

DN	L		D			W
DN	WF/LUG	RF	WF	LUG	RF	WF	LUG	RF
DN50	60	60	110	163	165	3.2	8	12
DN65	67	67	128	186	190	5	10	14
DN80	73	73	147	208	210	7.7	14	16
DN100	73	73	179	252	254	10.5	23	27
DN125	–	–	212	276	280	14	30	42
DN150	98	98	249	316	318	20	45	50
DN200	127	127	305	379	381	40	78	83
DN250	146	146	359	442	444	56	115	120
DN300	181	181	420	518	521	98	242	248
DN350	222	222	483	582	584	176	237	242
DN400	232	232	537	646	648	207	489	494
DN450	264	264	594	709	711	294	558	562
DN500	292	292	652	773	775	363	766	775
DN600	318	318	772	912	914	521	1190	1208