'AFA' FIG977

Dual Flap Wafer Check Valve (PN16)

Size
50 – 600 mm

Pressure Rating
PN16

Connection
Wafer Connection

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Dimension:

Quantity:

Certified by

NO.	PART NAME	MATERIAL	SPECIFICATIONS
1	Body	Cast Iron	GG25 (EN-JL1040)
1	Body	Ductile Iron	GGG40 (EN-JS1030)
2	Disc	Ductile Iron	GGG40 (EN-JS1030)
		Aluminum Bronze	ASTM C954
		Stainless Steel 304	BS EN 10088-3 1.4301
		Stainless Steel 316	BS EN 10088-3 1.4401
3	Resilient Seat	EPDM Rubber
4	Hinge Pin	Stainless Steel 316	BS EN 10088-3 1.4401
5	Spring	Stainless Steel 304	BS EN 10088-3 1.4301
6	Retainer Screw	Carbon Steel
7	Disc Bearing	PTFE

Spring-loaded dual door design
Hydrostatically tested to BS EN 12266-1:2012
Manufactured in accordance with BS EN 16767:2016
Flanged to BS 4504 PN16 / EN1092-2 PN16
Applicable for HVAC Systems, Fire Protection System, Plumbing / Sanitary Systems, Marine Mechanical System, Marine Cooling System

NOMINAL PIPE SIZE		EXTERNAL DIAMETER (A)	EXTERNAL DIAMETER (B)	FACE TO FACE (H)
MM	IN	MM	MM	MM
50	2	109	70.5	54
65	2 1/2	129	83.5	54
80	3	144	91.5	57
100	4	164	115.5	64
125	5	194	142.5	70
150	6	220	169.5	76
200	8	275	220.5	95
250	10	330	275.5	108
300	12	380	325.5	143
350	14	440	356	184
400	16	491	406	191
450	18	541	468	203
500	20	596	515	213
600	24	697	617	222

Working Pressure: 16 Bar

Testing Pressure: Shell: 24 Bar | Seat: 17.6 Bar

Working Temperature: 110°C

Typical Application: Water, Warm Water, Sea Water, Air, Weak Acid