F51DD SS WAFER DOUBLE DOOR CHECK VALVE

F51DD SS WAFER DOUBLE DOOR CHECK VALVE

Fig No.: F51DD16-50 (PN16-SS304) / F51DD16-51 (PN16-SS316) /

F51DD25-50 (PN25-SS304) / F51DD25-51 (PN25-SS316)

FEATURES & SPECIFICATIONS

Spring loaded double door.
Rubber seat for non-slam effect.
Comply with API 594.
Wafer connection to BS 4504 PN16 / EN 1092-2 PN16 / BS 4504 PN25 / EN 1092-2 PN25 / ANSI Class 150.
Applicable for Building Services, Air-Conditioning, Fire Protection, Cold Water Plumbing, Hot Water System, Sewerage & Water Treatment, General Industries.

Category Stainless Steel Industrial Valves

PRESSURE & TEMPERATURE RATINGS

Working Pressure	16bar	25bar
Shell Testing Pressure (x1.5)	24bar	37.5bar
Seat Testing Pressure (x1.1)	17.6bar	27.5bar
Working Temperature	-20°C…120°C
Suitable Media	Water, Oil & Gas

Material Specification

Body	Stainless Steel 304 Stainless Steel 316
Disc	Stainless Steel 304 Stainless Steel 316
Stem	Stainless Steel 304 Stainless Steel 316
Washer	Stainless Steel 304
Gasket	Polytef
Spring	Stainless Steel 304
Plug	Stainless Steel 304
Nozzle Stub	Stainless Steel 304

DIMENSIONS VALVE BODY

DN	(mm) (inch)	50 2	65 2½	80 3	100 4	125 5	150 6	200 8	250 10	300 12	350 14	400 16	450 18	500 20	600 24
L		60	67	73	73	86	98	127	146	181	184	191	203	219	222
D	PN16 PN25	108 108	128 128	142 142	162 168	192 194	218 224	273 184	329 341	384 401	444 458	496 515	556 565	618 622	695 732
D2		51	65	80	102	127	152	203	254	305	350	400	450	500	600
D3		56	73	88	108	132	160	210	266	310	355	405	455	505	605

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