Ammonia special-purpose valve

Check valve H41F/B-25/40

Product Features

Lift check valve using medium pressure difference, and the weight of the disc itself automatically closed and open.
One-way flow control medium, medium backflow prevention and control, protection system equipment.
Good sealing performance, small impact.
According to the installation position is different, there are horizontal (H42) two kinds of structure forms.

Technical parameters

Nominal pressure MPa	2.5	4.0
MPa pressure shell experiment	3.75	6.0
Seal test pressure MPa	2.75	4.4
Suitable temperature	- 40ºC ~ + 150ºC
Applicable medium	Ammonia, ammonia, vinyl chloride, refrigerant, etc
The standard of the flange	GB/T9113-2000
Inspection standard	JB/T9092-1999

The major parts material

The valve body	The disc	The cover	Sealing surface
WCB\LCB	20Cr13	WCB	Babbitt, PTFE

Down (stand) type check valve H41/2 f/B nominal pressure PN2.5 MPa, 4.0 MPa shape size and the connection size

DN	L horizontal	D	D1	D2	D3 convex	D4 concave	b	f	Z - phi d	H1 horizontal	The H2 vertical
25	160	115	85	65	57	58	16	4	4-14	83	100
32	180	140	100	76	65	66	18	4	4 - phi 18	88	120
40	200	150	110	84	75	76	18	4	4 - phi 18	94	130
50	230	165	125	99	87	88	20	4	4 - phi 18	114	140
65	290	185	145	118	109	110	22	4	8 - phi 18	118	150
80	310	200	160	132	120	121	24	4	8 - phi 18	137	185
100	350	235	190	156	149	150	24	4.5	8-22	164	210
125	400	270	220	184	175	176	26	4.5	8 - phi 26	195	245
150	480	300	250	211	203	204	28	4.5	8 - phi 26	235	300
200	600	360	310	274	259	260	30	4.5	12 - phi 26	279	300
200	600	375	320	284	259	260	34	4.5	12-30	279	300

Ammonia special-purpose valve

Check valve H41F/B-25/40

Product Features

Technical parameters

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