Stainless steel cryogenic check valve with bolted bonnet – high pressure – 260700 HP

Description

Stainless steel #304L 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 very neat lapping.

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 valve provide to it multi-purpose characteristics.
• this check valve does not contain copper or copper alloy in contact with the atmosphere
• the seat of the check valve is hard faced (Stellite™) for higher mechanical performance

Alternatives

Plug with PCTFE (Kel-F™) soft insert

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 in mm		Weight (W) in kg
DN1	PN(1)	Do	E	W
8	Up to 250	15	100	1,8
12	Up to 250	15	100	1,8
15	Up to 250	15	100	1,8
20	Up to 250	25	130	3
25	Up to 250	25	130	3
32	Up to 250	32	160	4,9
40	Up to 250	40	180	6
50	Up to 250	50	210	11
(1) Please contact us for higher sizes or pressure ratings

Standard Materials
Rep	Designation			Standard Material
				EN 10272		EN 10272
1	Body			X2CrNi18-9 1.4307	+ Stellite™	X2CrNiMo17-12-2 1.4404	+ Stellite™
				A182 F304L		A182 F316L
2	Body gasket			Helicoflex™
				EN 10272		EN 10272
3	Bonnet			X2CrNi18-9 1.4307		X2CrNiMo17-12-2 1.4404
				A182 F304L		A182 F316L
				EN 10088-3		EN 10088-3
10	Plug			X2CrNi18-9 1.4307		X2CrNiMo17-12-2 1.4404
				A479 Gr. 304L		A479 Gr. 316L
				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