Forged Steel Bellows Welded Globe Valve

Forged Steel Bellows Welded Globe Valve

The bellows stop valve has two types of bonnet design. The first type is a bolt type bonnet. The valve designed according to this design form has a valve body and a bonnet connected by a bolt and a nut. The wound type gasket (304 clip flexible graphite) Manufacturing) Sealing. Customers can also use metal ring connection when they have special requirements. The second design form is welded valve cover, which sweeps the valve designed in this design form. The valve body and the valve cover are threaded and fully welded. Customers can also use a through-welded connection if they have special requirements.bellows valve, safety valve, Gate Valve, Check Valve, Ball Valve,
Extended body valves are available for gate, ball and globe valves.

Extend the valve body valve design structure and features:

Extend the valve body to comply with API602. Inspection and testing according to API598, marked according to MSS-SP-25.

Adopt the following structure

Self-centering pressure plate

Thread, socket or integral end of the welded body

Bolted, wrap-around gasketed bonnet and threaded, fully welded sealed bonnet

Integral upper seal seat

The socket is in accordance with ASME B16.11

Threaded end conforms to (NPT) ANSI/ASME B1.20.1

The bellows shut-off valve, also called the bellows seal shut-off valve, forms a metal barrier between the fluid medium and the atmosphere through automatic seam welding to ensure zero leakage of the valve stem.

WJ61Y-300LB forged steel bellows welded-type globe valve adopts bellows structure inside, and the lower end of stainless steel bellows is welded on the valve stem to prevent process fluid from eroding the valve stem. The other end is placed between the valve body and the valve cover to form a static seal. Double seal design If the bellows fails, the stem packing will also avoid leakage. The bellows is welded to the valve stem to maintain stable running performance and avoid the valve stem vibration caused by the valve plug vibration. It is most suitable for pipelines of steam, flammable, explosive, heat transfer oil, high purity, toxic and other media.

PN	DN	L	D	D1	D2	B	f	H	N-ф	H
1.6	15	130	95	65	45	16	2	191	4-14	6
	20	150	105	75	58	18	2	191	4-14	6
	25	160	115	85	68	18	2	197	4-14	8
	32	180	140	100	78	18	2	200	4-18	8
	40	200	150	110	88	18	3	218	4-18	13
	50	230	165	125	102	20	3	220	4-18	13
	65	290	185	145	122	20	3	238	4-18	16
	80	310	200	160	138	20	3	257	4-18	20
	100	350	220	180	158	20	3	340	4-18	25
	125	400	250	210	188	22	3	360	4-18	32
	150	480	285	240	212	22	3	390	8-22	40
	200	600	340	295	268	24	3	530	12-22	50
2.5	15	130	95	65	45	16	2	191	4-14	6
	20	150	105	75	58	18	2	191	4-14	6
	25	160	115	85	68	18	2	197	4-14	8
	32	180	140	100	78	18	2	200	4-18	8
	40	200	150	110	88	18	3	218	4-18	13
	50	230	165	125	102	20	3	220	4-18	13
	65	290	180	145	122	22	3	238	4-18	16
	80	310	200	160	138	24	3	257	4-18	20
	100	350	235	190	162	24	3	340	8-22	25
	125	400	270	220	188	26	3	360	8-26	32
	150	480	300	250	218	28	3	390	8-26	40
	200	600	360	310	278	30	3	530	12-26	50
4.0	15	130	95	65	45	16	2	191	4-14	6
	20	150	105	75	58	18	2	191	4-14	6
	25	160	115	85	68	18	2	197	4-14	8
	32	180	140	100	78	18	2	200	4-18	8
	40	200	150	110	88	18	3	218	4-18	13
	50	230	165	125	102	20	3	220	4-18	13
	65	290	185	145	122	22	3	238	4-18	16
	80	310	200	160	138	24	3	257	8-18	20
	100	350	235	190	162	24	3	340	8-22	25
	125	400	270	220	188	26	3	360	8-26	32
	150	480	300	250	218	28	3	390	8-26	40

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