Piston flow control valve

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Piston flow control valve

Piston flow control valve Product Overview :
piston type flow control valve is the company's technical staff on the basis of reference Germany, Japan advanced experience, summing up both the design and manufacture of practical experience, according to the hydrodynamic characteristics developed type speed regulator valve . It has been widely used in power stations, water diversion, water supply and other fields.

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Product details

Piston Flow Control Valve Product Overview

Piston type flow regulating valve is a speed regulating type valve developed by our technicians based on the advanced experience of Germany and Japan, summing up domestic design, manufacturing and practical experience. It has been widely used in power stations, water diversion, water supply and other fields. The improved flow control valve of this series is not only suitable for clear water, but also has good tolerance to natural rivers and lakes and mild sewage. From the design structure and material selection, the problem that the flow regulating valve is easy to scale, jam, and the driving device is too large has been solved for many years.

Piston flow regulator performance specifications

Nominal pressure (MPa)	Nominal diameter (mm)	Test pressure (MPa)		Applicable medium	proper temperature
Nominal pressure (MPa)	Nominal diameter (mm)	case	seal	Applicable medium	proper temperature
0.25	400～2000	0.375	0.275	Water, hot water, etc.	≤100°C
0.6	200~1600	0.9	0.66
1.0	200~1600	1.5	1.1
1.6	200～1200	2.4	1.76

Piston flow control valve implementation standard

Pressure test	Flange connection size
GB/T13927	GB4216.2～4216.5, GB/T17241.6

Piston type flow control valve main parts and materials

material	Part Name
HT200, HT250, QT450-10	Valve body, end cap, connecting rod frame, flange tube, crank
2Cr13, 1Cr18Ni9Ti	Stem, pin, piston
1Cr18Ni9Ti	Body seal
NBR	Piston seal
QT450-10	link
ZCuAI10Fe3, ZCuZn38Mn2Pb2	Bearing
NBR	filler

Piston type flow control valve main connection size

PN	DN	L	L1	L2	H	H1	Do	A	B
0.25	400	800	715	308	980	335	250	345	390
	450	900	749	347	1100	400	250	410	440
	500	1000	792	383	1180	450	300	460	500
	600	1200	847	458	1250	500	300	510	600
	700	1400	920	528	1390	600	300	580	700
	800	1600	980	599	1530	700	360	680	800
	900	1800	1030	674	1650	800	360	790	900
	1000	2000	1105	744	1800	900	400	860	1000
	1200	2400	1375	852	2010	1000	400	950	1130
	1400	2800	1380	1031	2230	1250	400	1250	1380
	1600	3200	1490	1183	2480	1450	400	1500	1600
	1800	3600	1780	1325	2720	1650	400	1750	1750
	2000	4000	1910	1476	2930	1850	400	2000	1950
0.6	200	400	600	162	820	175	200	150	180
	250	500	625	198	830	185	200	200	240
	300	600	650	233	880	235	200	250	280
	350	700	690	273	930	285	250	300	330
	400	800	715	308	980	335	250	345	390
	450	900	749	347	1100	400	300	410	440
	500	1000	792	383	1180	450	300	460	500
	600	1200	847	458	1250	500	300	510	600
	700	1400	920	528	1390	600	360	580	700
	800	1600	980	599	1530	700	360	680	800
	900	1800	1030	674	1650	800	400	790	900
	1000	2000	1105	744	1800	900	400	860	1000
	1200	2400	1250	890	2010	1050	400	950	1200
	1400	2800	1380	1031	2230	1250	400	1250	1400
	1600	3200	1490	1183	2480	1450	400	1500	1600
1.0	200	400	600	162	820	175	200	150	200
	250	500	625	198	830	185	200	200	250
	300	600	650	233	880	235	250	250	300
	350	700	690	273	930	285	250	300	350
	400	800	715	308	980	335	300	345	400
	450	900	749	347	1100	400	300	410	450
	500	1000	792	383	1180	450	300	460	500
	600	1200	847	458	1250	500	360	510	600
	700	1400	920	528	1390	600	360	580	700
	800	1600	980	599	1530	700	400	680	800
	900	1800	1030	674	1650	800	400	790	900
	1000	2000	1105	744	1800	900	400	860	1000
	1200	2400	1250	890	2010	1050	400	950	1200
	1400	2800	1380	1031	2230	1250	400	1250	1400
	1600	3200	1490	1183	2480	1450	400	1500	1600
1.6	200	400	625	162	820	175	250	150	200
	250	500	650	198	880	185	250	200	250
	300	600	690	233	930	235	300	250	300
	350	700	715	273	980	285	300	300	350
	400	800	749	308	1100	335	300	345	400
	450	900	792	347	1180	400	360	410	450
	500	1000	847	383	1250	450	360	460	500
	600	1200	920	458	1390	500	400	510	600
	700	1400	980	528	1530	600	400	580	700
	800	1600	1030	599	1650	700	400	680	800
	900	1800	1105	674	1800	800	400	790	900
	1000	2000	1250	744	2010	900	400	860	1000
	1200	2400	1380	890	2210	1050	400	950	1200

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