Pneumatic Discharge Valve

J641H(W,F,Y)-Class 300 Main Outline and Connecting Flange Size
Nominal diameter		Outline Size		Connecting Flange Size							Air Source Interface
mm	NPT	L	~H	D	D₁	D₂	C	f	N	Φd
15	1/2	152	346	95	67	35	14.5	1.6	4	16	1/4"
20	3/4	178	346	117	83	43	16	1.6	4	19	1/4"
25	1	203	346	124	89	51	18	1.6	4	19	1/4"
32	11/4	216	400	133	99	64	19.5	1.6	4	19	1/4"
40	11/2	229	406	155	114	73	21	1.6	4	22	1/4"
50	2	267	496	165	127	92	22.5	1.6	8	19	1/4"
65	21/2	292	527	191	149.4	105	25.5	1.6	8	22	1/4"
80	3	318	561	210	168.1	127	28.5	1.6	8	22	1/4"
100	4	356	614	254	200.2	157	32	1.6	8	22	3/8"
125	5	400	635	279	235	186	35.5	1.6	8	22	3/8"
150	6	444	721	318	269.7	216	37	1.6	12	22	3/8"
200	8	559	851	381	330.2	270	41.5	1.6	12	25	3/8"
250	10	622	1020	445	387.4	324	48	1.6	16	28	3/8"
300	12	711	1470	521	450.9	381	51	1.6	16	32	1/2"
350	14	762	1730	584	514.4	413	54	1.6	20	32	1/2"
400	16	864	1955	648	571.5	470	57.5	1.6	20	35	1/2"

J641H(W,F,Y)-Class 600 Main Outline and Connecting Flange Size
Nominal diameter		Outline Size		Connecting Flange Size							Air Source Interface
mm	NPT	L	~H	D	D₁	D₂	C	f	N	Φd
15	1/2	165	405	95	66.5	35	14.5	6.4	4	16	1/4"
20	3/4	190	425	117	82.6	43	16	6.4	4	19	1/4"
25	1	216	443	124	88.9	51	18	6.4	4	19	1/4"
32	11/4	229	458	133	98.6	64	21	6.4	4	19	1/4"
40	11/2	241	505	155	114.3	73	22.5	6.4	4	22	1/4"
50	2	292	584	165	127	92	25.5	6.4	8	19	1/4"
65	21/2	330	633	191	149.4	105	28.5	6.4	8	22	1/4"
80	3	356	693	210	168.1	1327	32	6.4	8	22	1/4"
100	4	432	802	273	215.9	157	38.5	6.4	8	25	3/8"
125	5	508	850	330	266.7	186	44.5	6.4	8	28	3/8"
150	6	559	1020	356	292.1	216	48	6.4	12	28	3/8"
200	8	660	1177	419	349.3	270	56	6.4	12	32	3/8"
250	10	787	1525	508	431.8	324	63.5	6.4	16	35	1/2"
300	12	838	1768	559	489	381	67	6.4	20	35	1/2"

Main Parts and Technical Norm
Main Parts	Body、Bonnet	WCB	ZG1Cr18Ni9Ti	CF8(304)	CF3(304L)	ZG1Cr18Ni12Mo2Ti	CF8M(316)	CF3M(316L)
	Stem	2Cr13	1Cr18Ni9Ti	0Cr18Ni9 (304)	00Cr19Ni11 (304L)	1Cr18Ni12Mo2Ti	0Cr17Ni12Mo2 (316)	00Cr17Ni14Mo2 (316L)
	Disc	WCB	ZG1Cr18Ni9Ti	CF8(304)	CF3(304L)	ZG1Cr18Ni12Mo2Ti	CF8M(316)	CF3M(316L)
	Packing、Gasket	V-PTFE, Flexible grsphite 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		Urea and other corrosive medium
Applicable working conditions	Applicable Temperature	−28~425℃
Application specification	Design and manufacture	GB12237-89				API6D
	Flange size	GB/T9113(according HG20592-97 to customised)				ANSI B 16.5
	Face to face dimension	GB12221-89				ANSI B16.10
	Test&inspection	JB/T9092-99、GB/T13927-89				API598

HG5-81 Main Outline and Connecting Flange Size(Open downward)
Nominal diameter DN	~H	D	D₁	D₂	C	f	N	Φd	D₃	D₄	D₅	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	1/4"
50	845	165	125	99	20	3	4	18	180	145	80	169	M16×4	1/4"
65	1000	185	145	118	20	3	4	18	195	160	110	175	M16×8	1/4"
80	1050	200	160	132	20	3	8	18	225	190	137	185	M16×8	1/4"
100	1120	220	180	156	22	3	8	18	260	225	180	210	M16×8	1/4"
125	1370	250	210	184	22	3	8	18	280	240	180	230	M20×8	1/4"
150	1450	285	240	211	24	3	8	22	295	295	210	240	M20×8	1/4"
200	1580	340	295	266	24	3	12	22	405	335	275	330	M22×12	1/4"
250	1720	405	355	319	26	3	12	26	460	410	330	380	M22×12	1/4"