Zspq Pneumatic Piston Quick Shutoff Valve

• Temperature: Ordinary Temperature
• Certification: GS
• Media: Gas, Oil, Water, Acid
• Standard: Standard
• Connection Mode: Flange
• Power: Manual
• Model NO.: ZSPQ
• Material: Stainless Steel
• Type: Self-Operated
• Use: Adjust
• Pressure: Normal Pressure
• Port of Ningbo: Class IV (Standard, Metal Seat)
• Body Type: Straight Through, Angle, Z Shape
• Transport Package: Wooden Box
• Specification: DN15-DN500
• Trademark: xc
• Origin: China
• HS Code: 8481804090
• Production Capacity: 10000

Product Description

 

 

Scope of application

ZSPQ type pneumatic piston cut-off valve
It is mainly used in the automatic control system of liquid and gas medium without impurities and particles, which requires fast and tight closing and fast emptising.

Specification Model

 

Category	Soft Seal	Hard seal
	Room temperature type	Medium temperature type	High temperature type	Low temperature type
Model number	ZSPQ-40B, 40K	ZSPQ-40BG, 40KG	ZSPQ-40BG1, 40KG1	ZSPQ-40BD, 40KD
specification	DN20~200

Technical parameters

Main technical parameters of cutting structure

Nominal diameter mm	20	25	32	40	50	65	80	100	125	150	200
Valve seat diameter mm	26	43	43	52	62	79	94	115	140	166	216
Rated flow factor Kv	6.5	10	15	25	40	65	100	150	260	350	540
Nominal pressure MPa	4.0
Stroke mm	16			25		40			60
Medium temperature ° C	-40~150 (room temperature); -40 to 450 (medium temperature); -60 to 550 (high temperature); -250 to -60 (low temperature)
Flow characteristics	Two position quick open
With actuator	ZSD-2			ZSD-3		ZSD-5			ZSD-7
Flange size, type	According to JB/T79.2-94 concave type (normal, medium and high temperature); Press JB/T79.3-94 concave (low temperature)
Body material	Zg230-450; ZG1Cr18Ni9Ti; ZG0Cr18Ni12Mo2Ti

Note: Can provide users with GB, ANSI, JIS, DIN and other flange structure, the flange distance according to user needs to determine.
Main technical parameters of piston actuator

Model	ZSD-2	ZSD-3	ZSD-5	ZSD-7
Piston diameter mm	150	200	300	400
Effective area in centimeters ²	175	305	seven hundred	1245
Stroke mm	16	25	40	60
Air intake thread	M16 x 1.5	M20 x 1.5		M24×2
Max output force N	7200	12800	29300	52000
Operating air source pressure KPa	500

Performance indicators

 

Nominal diameter mm		20	25	32	40	50	65	80	100	125	150	200
Leakage /min	Soft seal	0
	Hard seal	1	3				5			7		9
Cut off time S		1 ~ 2					2 ~ 4
Deviation of rated stroke %		+ 10

Note: Leak amount experiment with water

Allowable pressure difference

MPa

Nominal diameter mm		20	25	32	40	50	65	80	100	125	150	200
Allowed differential pressure	Air on	4.0					4.0	4.0	2.8	3.5	2.4
	Qi Pass	4.0					2.5	1.7	1.0	1.1	0.8	0.6

Accessories available

Hand wheel mechanism, air filter pressure reducer, solenoid valve, signal return device (or travel switch), etc.

Overall dimensions

room temperature type pneumatic piston cut-off valve dimensions mm

Nominal diameter DN	L	H2	With handwheel				No handwheel
			H	H1	H3	Weight kg	H	H1	Weight kg
20	180	53	662	447	222	39	574	359	26
25	190	111	732			46	644		33
32	210	117	744			48	656		35
40	230	131	885	570	280	85	778	463	61
50	255	146	915			89	808		65
65	285	181	1131	706	389	135	969	542	97
80	310	190	1147			143	983		99
100	355	194	1155			163	991		109
125	425	256	1588	1022		305	1305	739	218
150	460	266	1608			331	1325		244
200	560	289	1659			445	1376		358

Medium temperature type pneumatic piston cut-off valve dimensions mm

Nominal diameter DN	L	H2	With handwheel				No handwheel
			H	H1	H3	Weight kg	H	H1	Weight kg
20	180	53	813	447	222	43	725	359	30
25	190	111	883			52	795		39
32	210	117	895			54	807		41
40	230	131	1036	570	280	90	929	463	66
50	255	146	1066			95	969		71
65	285	181	1296	706	389	145	1132	542	101
80	310	190	1310			155	1146		111
100	355	194	1318			172	1154		128
125	425	256	1803	1022		327	1520	739	240
150	460	266	1823			356	1540		269
200	560	289	1874			464	1591		377

High temperature type pneumatic piston cut-off valve dimensions mm

Nominal diameter DN	L	H2	With handwheel			No handwheel
			H	H1	H3	H	H1
20	180	53	1018	447	222	930	359
25	190	111	1088			1000
32	210	117	1100			1012
40	230	131	1242	570	280	1135	463
50	255	146	1272			1165
65	285	181	1550	649		1443	542
80	310	190	1558			1451
100	355	194	1566			1459
125	425	256	2028	872	378	1895	739
150	460	266	2048			1915
200	560	289	2094			1961

Low temperature type pneumatic piston cut-off valve dimensions mm

Nominal diameter	L	H2	H3	- 100 ºC				- 200 ºC				- 250 ºC
				With hand wheel		No handwheel		With handwheel		No handwheel		With handwheel		No handwheel
				H1	H	H1	H	H1	H	H1	H	H1	H	H1	H
20	180	53	222	500	1127	500	1039	seven hundred	1327	seven hundred	1239	900	1527	900	1439
25	190	111		500	1181	500	1093	seven hundred	1381	seven hundred	1293	900	1581	900	1491
32	210	117		500	1193	500	1105	seven hundred	1393	seven hundred	1305	900	1593	900	1505
40	230	131	280	500	1310	500	1203	seven hundred	1510	seven hundred	1403	900	1710	900	1603
50	255	146		500	1335	500	1228	seven hundred	1535	seven hundred	1428	900	1735	900	1628
65	285	181		600	1554	600	1447	800	1754	800	1647	1000	1954	1000	1847
80	310	190		600	1565	600	1458	800	1765	800	1658	1000	1965	1000	1858
100	355	194		600	1569	600	1462	800	1769	800	1662	1000	1769	1000	1862
125	425	256	378	seven hundred	1942	seven hundred	1809	900	2142	900	2009	1100	2342	1100	2209
150	460	266		seven hundred	1952	seven hundred	1819	900	2152	900	2019	1100	2352	1100	2219
200	560	289		seven hundred	1982	seven hundred	1849	900	2182	900	2049	1100	2382	1100	2249

Parts Materials

 

Part name	Materials
Body, bonnet	Zg230-450; ZG1Cr18Ni9Ti; ZG0Cr18Ni12Mo2Ti
Stem, spool	1Cr18Ni9
Sealing filler	V-shaped tef-lon
Gasket seals	1Cr18Ni9 Clamp asbestos sheet
Worm	45
O-ring seal	Oil-resistant rubber
Compression spring	60Si2Mn
Stand	QT400-18
Turbo box, turbine, cylinder, bearing cap, piston	HT200
Putter	2Cr13