Self-operated control valve

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Self-operated control valve

Model: ZZYP
Nominal diameter: DN20 ~ 200mm
Nominal: PN1.6 ~ 6.4MPa
Operating temperature: ≤140 fluid; a gas ≦ 80; and a condenser with fins ≤350
Medium: gases, vapors, liquids of low viscosity
Design Standard: GB / T17213
Test standards: GB / T4213
Flange standards: JIS B220, JB / T79, ANSI B16.5-1981, GB / T9113, HG20594-97, HG20618-97, etc.

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產(chǎn)品詳細(xì)

Summary of self-reliance type pressure regulator
ZZYP self-reliance type pressure regulating valve is a kind of no extra energy, use energy was charged with medium itself when power supply, introducing membrane chamber to generate thrust, to achieve automatic adjustment control throttle unit movement.Equipped with comprehensive survey, execution, control function.Can be in the place of no gas, no electricity.Widely used in petroleum, chemical, power, light industry, printing and dyeing industry automatic control system in a variety of gases, liquids and the reduction of steam medium pressure, voltage regulator (for valve pressure regulation) after pressure relief, voltage regulator (used in valve pressure regulation) automatic control.According to the different working conditions of the user can choose different valve core structure and different actuators, in order to achieve the best control effect.

Self-reliance type pressure regulator model

category	model	category	model
Single-seat pressure closed form	ZZYP-16～64B	Single-seat pressure closed form	ZZYP-16～64K
Two-seater pressure closed form	ZZYN-16～64B	Two-seater pressure closed form	ZZYN-16～64K
The sleeve type pressure closed	ZZYM-16～64B	The sleeve type pressure closed	ZZYM-16～64K

After pressure closed type: used for valve pressure regulation, after the valve pressure, the valve closed, reduced pressure, in order to achieve the purpose of the voltage regulator.
Pressure: type used in valve after pressure adjustment, when the valve pressure, open the valve, pressure relief, in order to achieve the purpose of the voltage regulator.
Self-reliance type pressure regulating valve actuator type

The main technical parameters

DN nominal diameter (mm)	20				25	32	40	50	65	80	100	125	150	200
Seat diameter DN (mm)	10	12	15	20
Kv rated flow coefficient	1.8	2.4	4.4	4	11	20	30	48	75	120	190	300	480	760
Allow the differential pressure (MPa)	2.5					2.0			1.6			1.0
Nominal pressure (MPa)	1.64.06.4
The intrinsic flow feature	Quick opening
Guarantee the normal work of the pressure regulating valve, the minimum differential pressure P (MPa)	0.05
Pressure piecewise range (KPa)	15 ~ 5040 ~ 8060 ~ 8060 ~ 10080 ~ 5040 From 160 to 220200 ~ 260240 ~ 300280 ~ 350330 ~ 260240 From 380 to 450430 ~ 500480 ~ 560540 ~ 620600 ~ 500480 680 ~ 800780 ~ 900800 ~ 1000900 ~ 800780
Working temperature ℃	Liquid 140 or less;Gas 80 or less;Condenser and cooling fin 350 or less
Suitable for medium	Gas, steam, low viscosity liquid
Flange size and type	PN10, 16, 40 gb9113-88, PN64JB/T7 has - 94;PN10, 16 convex type PN40, 64 convex type Or other standard type of flange according to user's request matching (such as ANSI, JIS, DIN and other standards)
The length of the structure	According to standard GB12221-89
Actuator signal interface	Internal thread M16 x 1.5

Note: the scope of pressure section can be designed according to user requirements.

Self-reliance type pressure regulator key performance indicators

Control accuracy %		Plus or minus 8
Allow the leakage	Hard seal (L/H)	Single-seat (Ⅳ level) : 10-4 or less valve rated capacity: two-seater, sleeve (Ⅱ level), 3 x 5 x 10 or less - valve rated capacity
	Soft seal (ml/min)	DN（mm）
		20	25	32	40	50	65	80	100	125	150	200
		0.15		0.3		0.45	0.6	0.9	1.7	4.0		6.75

Self-reliance type pressure regulating valve accessories
(used in medium for steam condenser), heat sink, etc

Self-reliance type pressure regulator overall dimensions and weight

Nominal size (DN)			20	25	32	40	50	65	80	100	125	150	200
L		PN16、40	150	160	180	200	230	290	310	350	400	480	600
		PN64	230	230	260	260	300	340	380	430	500	550	650
B			233		332		373	522		673	980		1200
H	Pressure regulating range （MPa）	15-140	475		520		540	710		780	840	880	915
		120 ~ 300	455		500		520	690		760	800	870	880
		280 ~ 500	450		490		510	680		750	790	860	870
		480 ~ 1000	445		480			670		740	780	850	860
		600 ~ 1500	445		570		600	820		890	950	950	1000
		1000 ~ 2500	445		570		600	820		890	950	950	1000
A	Pressure regulating range （MPa）	15-140	Phi 282		Phi 308
		120 ~ 300	Phi 232
		280 ~ 1000	Phi 196					Phi 196			Phi 282
		600 ~ 2500	Phi 85	Phi 96
About the weight (Kg)			26		37		42	72	90	114	130	144	180

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