Check valves Cast iron EN-JL1040; DIN GG25 Cast iron butterfly check valve spring return din pn 16

CAST IRON BUTTERFLY CHECK VALVE SPRING RETURN DIN PN 16

Material:

cast iron EN-JL1040; DIN GG25

Dimensions:

DN-40-400

DESCRIPTION
Valves with steel (or ductile cast iron for >DN250) discs, NBR seal, pressure rating PN 16, suitable for fitting between flanges rated DIN PN 10/16, short Face To Face, low weight and easy to install.
Suitable for horizontal and vertical (upward flow) installation.
Purpose: water, gases, oil etc.

MEDIA

Fuel oil, lubricating oil and flammable hydraulic oil. Cargo oil.
Boiler feedwater, condensate. Seawater and freshwater.

VARIANTS
Other materials on request

Request Dowload PDF

Materials

No.	Part	Material
1	Body	Ductile iron EN-JS1030 (GGG40)
2	Seat	NBR
3	Disc	ASTM A216WCB
4	Spring	AISI 1.4300
5	Shaft	AISI 1.4301

Characteristics

	SPECIFICATIONS
Standart:	DIN
Flange standard:	EN1092-2
Execution:	Straight
Connection type:	Wafer
Operation:	Check valve
Actuation:	Spring Return
Tmax	80 °C
	Maximum media temp. [°C] at [Bars]
Size	100°C
DN 40 - DN 400	16 Bar

Dimensions

DN	Press.Rate	Connection	A [kg]	B, [mі/h]	E	L	R	Weight	Kv
40	PN16	PN16	94	9.5	46	43	31	1.3	45
50	PN16	PN16	109	9.5	46	43	31	1,3	45
65	PN16	PN16	129	15.5	62	46	37	2,4	80
80	PN16	PN16	144	12.5	70	64	43	3.2	130
100	PN16	PN16	164	22	90	64	52	4.2	250
125	PN16	PN16	194	34	110	70	66	7	515
150	PN16	PN16	220	36.5	130	76	71	9	795
200	PN16	PN16	275	60	195	89	101	15	1460
250	PN16	PN16	330	73	245	114	126	27	2590
300	PN16	PN16	380	98	292	114	151	34	3500
350	PN16	PN16	440	110	340	127	172	53	4650
400	PN16	PN16	491	130	380	140	196	68	6300