J641H/Y pneumatic flange globe valve

Short Description:

Pneumatic flange stop valve consists of two parts: oil electric actuator and stop valve. The opening and closing parts are plug-shaped disc. The sealing surface is flat or conical. The disc moves linearly along the center line of the fluid. The movement forms of valve stem include lifting rod type and lifting rotary rod type. The valve is only suitable for full open and full close, not allowed to adjust and throttle.

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Product Detail

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Product Tags

J641H/Y�Product features of pneumatic flange globe valve

1. The product has reasonable structure, reliable sealing, excellent performance and beautiful appearance;

2. The sealing surface overlaid with Co based cemented carbide has good wear resistance, corrosion resistance, abrasion resistance and long service life;

3. The valve stem has good corrosion resistance and scratch resistance after quenching and tempering and surface nitriding treatment;

4. The valve has reliable sealing structure;

5. Parts material and flange size can be reasonably selected according to actual working conditions or user requirements to meet various engineering needs.

Executive standard

Product specification	design code	Structural length	Connecting flange	Test and inspection	Pressure temperature
Product specification	GB/T 12235	GB/T 12221	JB/T 79��GB/T9113��HG/T20592��EN1092-1/2��ASME B16.5/B16.47	JB/T 9092��GB/T13927��API598	GB/T1224

Main performance specifications

1. Test pressure

Nominal pressure PN��MPa��	1.6	2.5	4.0	6.4	10.0	16.0
Shell strength test	2.4	3.8	6.0	9.6	15	24
Upper seal test	1.8	2.8	4.4	7.0	11	18
Sealing test	1.8	2.8	4.4	7.0	11	18

2. Applicable medium and temperature

product type	Applicable medium	��
J641H/Y-C	Water, oil, steam	��425
J641H/Y-P	Nitric acids	��200
J641H/Y-R	Nitric acids	��200
J641H/Y-I	Water, oil, steam	��550

J641H/Y�Material of main parts of pneumatic flange globe valve

product type	Part name
product type	Body / bonnet	Stem	Valve disc	Sealing surface	Stem nut	filler	a fastening	handwheel
J641H/Y-C	25/WCB	Chromium stainless steel	20Cr1325	H:Stainless steel Y Co based cemented carbide steel	copper alloy	Flexible graphite	High quality carbon steel	malleable iron
J641H/Y-P	Chromium nickel steel	Chromium nickel steel	Chromium nickel steel	Chromium nickel steel	copper alloy	Flexible graphite	stainless steel	malleable iron
J641H/Y-R	Cr Ni Mo steel	Cr Ni Mo steel	Cr Ni Mo steel	Cr Ni Mo steel	copper alloy	Flexible graphite	stainless steel	malleable iron
J641H/Y-I	Chromium molybdenum steel	Chromium molybdenum steel	Alloy steel	Cobalt based cemented carbide steel	copper alloy	Flexible graphite	Alloy steel	malleable iron

J641H/Y�Main connecting dimensions of pneumatic flange globe valve PN1.6MPa

DN(mm)	L	D	D1	D2	b	f	Z-��d	H	D0
15	130	95	65	45	14	2	4-14	291	120
20	150	105	75	55	14	2	4-14	300	140
25	160	115	85	65	14	2	4-14	353	160
32	180	135	100	78	15	2	4-18	390	180
40	200	145	110	85	16	2	4-18	518	200
50	230	160	125	100	16	3	4-18	555	240
65	290	180	145	120	18	3	4-18	630	280
80	310	195	160	135	20	3	8-18	683	280
100	350	215	180	155	20	3	8-18	745	320
125	400	245	210	185	22	3	8-18	855	360
150	480	280	240	210	24	3	8-23	870	400
200	600	335	295	205	26	3	12-23	954	400
250	650	405	355	320	30	3	12-23	1065	450
300	750	460	410	375	30	3	12-23	1185	500

J641H/Y�Main connection dimensions of pneumatic flange globe valve PN2.5MPa

Nominal diameter��mm��	L	D	D1	D2	b	Z-��d	f	H	D0
15	130	95	65	45	16	2	4-14	291	120
20	150	105	75	55	16	2	4-14	300	140
25	160	115	85	65	16	2	4-14	353	160
32	180	135	100	78	18	2	4-18	390	180
40	200	145	110	85	18	3	4-18	518	200
50	230	160	125	100	20	3	4-18	555	240
65	290	180	145	120	22	3	8-18	630	280
80	310	195	160	135	22	3	8-18	683	280
100	350	230	190	160	24	3	8-23	745	320
125	400	270	220	188	28	3	8-25	855	360
150	480	300	250	218	30	3	8-25	870	400
200	600	360	310	278	34	3	12-25	954	400
250	650	425	370	332	36	3	12-30	1065	450
300	750	485	430	390	40	4	12-30	1185	500