Pneumatic Discharge Valve

Pneumatic discharge valve DN25-250mm with WCB/CF8/CF8M body handles corrosive media up to 425°C, ideal for chemical and pharmaceutical material discharge systems.

Size

DN25~DN250

Body Material

WCB, CF8, CF8M, CF3M

Ambient Temperature

-29~425℃

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Specifications

Main parts	Body, Bonnet	WCB		CF8 (304)	CF8 (304L)		CF8M (316)	CF3M (316L)
	Stem	2Cr13		(304)	(304L)		(316)	(316L)
	Disc	WCB		CF8 (304)	CF3 (304L)		CF8M (316)	CF3M (316L)
	Packing, Gasket	V-PTFE, Flexible graphite ring, PTFE, Flexible graphite wound gasket
Applicable working conditions	Applicable Medium	Water, steam, oil etc.	Nitric acid and other corrosive medium		Strong oxidizing medium	Acetic acid and other corrosive medium		Uread and other corrosive medium
	Applicable Temperature	-29~425℃
Application specification	Design and manufacture	GB 12237-89 API6D
	Flange size	GB/T9113 (according HG20592-97 to customised) ANSI B16.5
	Face to face	GB12221-89 ANSI B16.10
	Test & inspection	JB/T9092-99, GB/T13927-89 API598

HG5-81 Overview Dimensions (Open downward) (mm)

Nominal diameter DN	Main Connection Dimension													Air Source Interface
Nominal diameter DN	~H	D	D1	D2	C	f	N	Φd	D3	D4	D2	L	Z-M	Air Source Interface
25	750	115	85	65	16	2	4	14	115	85	47	125	M12×4	1/4"
40	845	150	110	84	18	3	4	18	160	125	80	160	M16×4
50	845	165	125	99	20	3	4	18	180	145	80	169	M16×4
65	1000	185	145	118	20	3	4	18	195	160	110	175	M16×8
80	1050	200	160	132	20	3	8	18	225	190	137	185	M16×8
100	1120	220	180	156	22	3	8	18	260	225	180	210	M16×8
125	1370	250	210	184	22	3	8	18	280	240	180	230	M20×8
150	1450	285	240	211	24	3	8	22	295	295	210	240	M20×8
200	1580	340	295	266	24	3	12	22	405	335	275	330	M22×12
250	1720	405	355	319	26	3	12	26	460	410	330	380	M22×12

Downloads

Fluid Control 2026

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Application & Case

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