Cast Steel Swing Type Check Valve manufacturer

Cast Steel Swing Type Check Valve manufacturer

Product Description

Swing check valve model: H44H	Swing check valve nominal diameter: 40MM-500MM	Swing check valve operating pressure: 1.6MPA -10MPA
Swing check valve connection method: flange connection	Swing check valve type: Automatic	The main function of the swing check valve is to prevent the backflow of the medium
Swing check valve medium: water, oil, steam	Swing check valve material: cast steel stainless steel	Standard of swing check valve: standard of mechanical department or customized non-standard

H44H swing check valve （Description）

Swing type check valve opening and closing parts by the medium flow and force to open or close, in order to prevent the medium backflow of the valve called check valve. Check valve belongs to automatic valve, mainly used for unidirectional flow of medium pipe sleep, only allow medium to flow in one direction, in order to prevent accidents. Check valve according to the structure, can be divided into lifting type check valve, swing type check valve and butterfly check valve three. Lift check valves can be divided into vertical and horizontal two types. Swing check valve is divided into three types: single valve, double valve and multi valve. Butterfly check valve for straight through, the above check valve in the form of connection can be divided into thread connection, flange connection and welding three.

Uses and features

H44H/W swing check valve is designed and manufactured in strict accordance with the GB12236 standard. The pin shaft and the disc are connected by a built-in structure, which has excellent performance and more reliable sealing. Products are widely used in pipelines in various working conditions such as petroleum, chemical, pharmaceutical, and electric power industries.

Main performance specifications of H44H-16/25/64/100 cast steel swing check valve

Test pressure	Nominal pressure (MPa)
	1.6	2.5	4.0	6.4	10.0
Shell test	2.4	3.8	6.0	9.6	15.0
Seal test	1.8	2.8	4.4	7.1	11.0
Valve body materials	WCB(C)	CF8(P)	CF 8M (R)	WC6	WC9
Operating temperature	≤ 425	≤ 100	≤ 100	≤ 550	≤ 550
Applicable medium	Water, steam, oil, nitric acid	nitric acid	Acetic acid type	Water, steam	Water, steam

Executive standard

Design and production：GB12236 Structure length ：GB12221 Flange connecting：JB/T79-1994 Test and inspection：JB/T9092-1999

Main connection size

Nominal diameter	PN1.6/2.5MPa			PN4.0MPa			PN6.4/10.0MPa
	L		H	L		H	L	H
	Series 1	series 2		Series 1	Series 2
DN40	200	200	130	200	200	130	260	160
DN50	230	230	135	230	230	135	300	170
DN65	290	290	145	290	290	145	340	180
DN80	310	310	175	310	310	175	380	245
DN100	350	350	200	350	350	200	430	290
DN125	400	400	255	400	400	255	500	320
DN150	480	480	320	480	480	320	550	360
DN200	495	550	380	533	550	380	650	430
DN250	622	650	440	622	650	440	775	505
DN300	698	750	480	711	750	520	900	555
DN350	787	850	530	838	850	540	1025	595
DN400	864	950	560	864	950	590	1150	680
DN450	978	1050	620	978	1050	650	1275	780
DN500	978	1150	655	978	1150	720	1400	970