Stainless steel cryogenic lift-check valve with bolted bonnet – 260700 SERIES

Description

Stainless steel #304L lift-plug check valve with bolted bonnet and butt welding ends in its standard version. The bubble-tight shut-off is ensured through an integral seat and a renewable soft composition disc.

Applications

Designed for use on all air components gases in its standard version, this check valve offers a wide range of options which allows the handling of a large variety of fluids. This check valve is extensively used in every kind of industrial projects: air separation plants, petrochemical plants, dangerous products transportation, ...

General features

• the sturdy design, the high-quality of the selected materials and the high-performance components of this check valve provide to it multi-purpose characteristics.
• this check valve does not contain copper or copper alloy in contact with the atmosphere

Alternatives

• Lift plug closed by spring
• Metallic plug, throttling plug
• Socket-welding ends or flanged ends
• Stainless steel #316L construction
• Construction without copper or copper alloy in contact with the flowing medium
• Fire safe construction
• ... (see codification)

Dimensions (mm) and						Weight (W) in kg
DN1	PN		Do	E	E1	E2	H	W
8	Up to 100		15	100	50	50	72	0,6
12	Up to 100		15	100	50	50	72	0,6
15	Up to 100		15	100	50	50	72	0,6
20	Up to 100		25	130	50	80	80	1,6
25	Up to 100		25	130	50	80	80	1,6
32	Up to 100			160	80	80	89	2,5
40	Up to 100		40	180	90	90	96	4,5
50	Up to 100		50	210	105	105	118	8
65	Up to 68		80	400	200	200	154	27
80	Up to 50		80	310	155	155	154	25
100	Up to 50		100	350	175	175	168	30
150	Up to 50		150	480	240	240	238	75
200	Up to 50		200	600	300	300	292	150
		forged body
		cast body

Standard materials
Rep	Designation	Standard materials
		DN<=DN25		DN25		DN>=DN150
		EN 10222-5	EN 10222-5	EN 10213-4	EN 10213-4	EN 10213-4
1	Body	X2CrNi18-9 1.4307	X2CrNiMo17-12-2 1.4404	GX2CrNi19-11 1.4309	GX2CrNiMo19-11-2 1.4409	GX2CrNiMo19-11-2 1.4409
		A182 F304L	A182 F316L	A351 CF3	A351 CF3M	A351 CF3M
2	Body gasket	Graphite + 316L
		EN 10222-5			EN 10222-5
3	Bonnet	X2CrNi18-9 1.4307			X2CrNiMo17-12-2 1.4404
		A182 F304L			A182 F316L
		EN 10088-3			EN 10088-3
10	Plug	X8CrNiS18-9 1.4305			X2CrNiMo17-12-2 1.4404
		AISI 303			A182 F316L
11	Composition disc	PTFE (Teflon™)
		EN 10269
15	Stud	X5CrNiMo17-12-2 1.4401
		A320 GrB8M
		EN 10269
16	Nut	X5CrNi18-10 1.4301
		A194 Gr8
			for #316L stainless steel construction

2	6	0	7	0	0	-	X	X	X	-	00	00	00	-	DN	..	PN	..

2	6	0	7	0	0	-	X	X	X	-	00	00	00	-	DN	..	PN	..

Value	Plug material
1	PTFE disc
2	PCTFE disc
6	Metal plug (st. st.)

2	6	0	7	0	0	-	X	X	X	-	00	00	00	-	DN	..	PN	..

Value	End connections
3	Flanged
4	Butt welding ends
5	Socket welding ends

2	6	0	7	0	0	-	X	X	X	-	00	00	00	-	DN	..	PN	..

Value	Pressure rating
1	PN16 & class 150
2	PN25
3	PN 40 & class 300
4	PN 64 & class 400
5	PN 100 & class 600

2	6	0	7	0	0	-	X	X	X	-	00	00	00	-	DN	..	PN	..

Value	Option
E	ATEX CE Ex II 2G/D
H	Metal body gasket
R	With spring

2	6	0	7	0	0	-	X	X	X	-	00	00	00	-	DN	..	PN	..

Value	Option
10	Reduced trim
17	Hard faced seat
20	Without copper and copper alloys in contact with the atmosphere
21	Without copper and copper alloys
22	Without copper and copper alloys in contact with the flowing medium