China Well-designed Motorized Flow Control Valve - Piston type self operated control valve – Hoyee factory and manufacturers

Well-designed Motorized Flow Control Valve - Piston type self operated control valve – Hoyee

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Well-designed Motorized Flow Control Valve - Piston type self operated control valve – Hoyee Detail:

Product feature

Piston type self-operated regulator which can adjust the pressure as the set value with it’s medium own energy and without any outer energy.The most advantages of this Piston type self-operated regulator is that it can be suitable for the working place of no power and no pneumatic equipment available, additional,Piston type self-operated regulator can save energy for the end-user, and the pressure is adjustable within the set range.

Piston type self-operated regulator has the following types according to the different working conditions:
ZZYP(single-seat type), ZZYM(sleeve type) and ZZYN(double-seat type), and PPiston type self-operated regulator also has three different covers such as common one, long-neck one and cooling type. For different applications, this PPiston type self-operated regulator is piston actuator,and the self-operated control valve has three different types of actuators:film/piston/bellows.

Piston type self-operated regulator has other advantages as smart and accurate regulating,taking up small space and simple operation and it’s widely used in the pressure control of gas,steam or water in petroleum, chemical, electric power, metallurgy, food, textile, machinery, civil construction industry.

Piston type self-operated regulator is designed and manufactured according to the standard of AMSE/API/BS/DIN/GB

Piston type self operated regulator material list

Component name	Control Valve Material
Body/Bonnet	WCB/WCC/WC6/CF8/CF8M/CF3M
Valve spool/Seat	304/316/316L(overlaying stellite alloy)
Packing	Normal:-196～150℃ is PTFE,RTFE,>230℃ is flexible graphite
Gasket	Normal:Stainless steel with flexible graphite,Special:Metal tooth type gasket
Control valve stem	2Cr13/17-4PH/304/316/316L
Diaphragm Cover	Normal:Q235,Special:304
Diaphragm	NBR with reinforced polyester fabric
Spring	Normal:60Si2Mn,Special:50CrVa

Piston type self operated regulator technical parameter

Nominal diameter DN(mm)	20	25	32	40	50	65	80	100	125	150	200	250	300
Coefficient(KV)	5	8	12.5	20	32	50	80	125	160	320	450	630	900
Rated stroke(mm)	8		10		12	15	18	20	30	40	45	60	65
Nominal diameter DN(mm)	20
The seat diameter DN(mm)	2	3	4	5	6	7		8	9	10	12	15	20
Coefficient(KV)	0.02	0.08	0.12	0.20	0.32	0.5		0.80	1.20	1.80	2.80	4.0	5
Nominal pressure	MPa		1.6，2.5，4.0，6.4(6.3)/2.0，5.0，11.0
	Bar		16，25，40，64(63)/20，50，110
	Lb		ANSI：Class150、Class300、Class600
pressure range KPa	15～50、40～80、60～100、80～140、120～180、160～220、200～260、 240～300、280～350、330～400、380～450、430～500、480～560、540～620、 600～700、680～800、780～900、880～1000、900～1200、1000～1500、 1200～1600、1300～1800、1500～2100、
Flow characteristic	Quick opening
Adjust the accuracy	±5-10(％)
Working TemperatureT(℃)	-60～350(℃) 350～550(℃)
Leakage	Class IV；Class VI

Piston type self operated regulator size and weight

Nominal diameter DN(mm)			20	25	32	40	50	65	80	100	125	150	200	250	300
B			383		512		603	862		1023	1380		1800	2000	2200
L(Pn16、25、40)			150	160	180	200	230	290	310	350	400	480	600	730	850
L(PN64)			230		260		300	340	380	430	500	550	650	775	900
pressure range KPa	15～140	H	475		520		540	710		780	840		880	940	950
		A	280		308
	120～300	H	455		500		520	690		760	800		870	900	950
		A	230
	280～500	H	450		490		510	680		750	790		860	890	940
		A	176					194		280
	480～1000	H	445		480			670	740	780	780		850	880	930
		A	176					194			280
Weight (Kg) (PN16)			26		37		42	72	90	112	130	169	285	495	675

Piston type self operated regulator structure drawing

piston ty

Product detail pictures:

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