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Home > Products > Regulator valve > British standard pneumatic diaphragm valve

Description Material Performance Product Size Specifications

The valve is specially used for controlling the non corrosive or general corrosive medium, and the inner cavity surface of the valve body is provided with a variety of rubber, suitable for different working temperature and liquid pipeline.

Body: cast iron, ductile iron, carbon steel, stainless steel
Valve cover: cast iron, ductile iron, carbon steel, stainless steel
Lining: no lining, rubber
Diaphragm: Rubber
Valve: Cast Iron
Cylinder: aluminum alloy, carbon steel
Pneumatic film: Rubber
Stem: carbon steel, stainless steel hand wheel: Cast Iron

Applicable temperature：≤85℃、≤100℃、≤120℃、≤150℃(According to the lining and diaphragm material)

Pressure class：PN(MPa)　0.6 1.0 1.6

Lining layer: electric spark detection

Test and inspectionBS6755standard

Nominal pressure：PN(MPa)

valve body：PN×1.5

Seal up：PN×1.1

DN	Nominal pressure MPa	Working pressure MPa	L mm	D mm	D1 mm	n-Фd mm	f mm	H mm	D0 mm	B mm	Code ES	Gas pressure MPa	Air source connector MPa	Gas consumption cm3	Quality Kg/kilos
15	1.6	1.6	108	95	65	4-14	2	-	-	-	-	-	-	-	-
20			117	105	75	4-14	2	-	120	168	61	0.3	1/8	163.87	7.2
25			127	115	85	4-14	2	394	120	168	61	0.3~0.4	1/8	196.65	8.9
32			146	140	100	4-18	2	400	120	168	61	0.3~0.4	1/8	229.4	10.6
40			159	150	110	4-18	2	485	165	260	62	0.3~0.4	1/4	1425.7	19.5
50			190	165	125	4-18	2	635	165	318	63	0.3~0.4	1/4	2284.1	34.9
65	1.0	1.0	216	185	145	4-18	2	650	165	318	63	0.3~0.4	1/4	3048	39.9
80			254	200	160	8-18	2	660	165	318	63	0.4~0.5	1/4	3244.7	51.9
100			305	220	180	8-18	2	816	280	425	64	0.4~0.5	3/8	6964.5	93.2
125			356	250	210	8-18	3	825	280	425	64	0.4~0.5	3/8	7439.7	105.3
150			406	285	240	8-22	3	1013	365	549	65	0.5	3/8	14912	184.5
200	0.6	0.6	521	340	295	8-22	3	1300	483	749	66	0.6	1/2	49161	407.4
250			635	395	350	12-22	5	-	-	-	-	-	-	-	-
300			749	445	400	12-22	5	-	-	-	-	-	-	-	-

Design and manufacture: BS5156 structure length: BS5156 flange connection size: BS4504, DIN2532, B2212 JIS, B16.1 ANSI,

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