Self operated regulating valve (all stainless steel)

NegotiableUpdate on 12/04

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

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Overview

Overview: The all stainless steel self operated pressure regulating valve consists of a valve body, valve seat, valve core components, etc. It is an energy-saving product that does not require external energy and relies solely on the pressure changes of the regulated medium to automatically regulate pressure. It is widely used as a pressure control device for corrosive liquids, gases, steam and other media

Product Details

Overview
The all stainless steel self operated pressure regulating valve consists of valve body, valve seat, valve core components, etc. It is an energy-saving product that does not require external energy and relies solely on the pressure changes of the regulated medium to automatically regulate pressure. It is widely used in pressure control devices for corrosive liquids, gases, steam and other media. Applied to industrial sectors such as petroleum, chemical, and metallurgical industries.
This product has a nominal pressure of PN16 and 40, a nominal diameter range of 20-300mm, and an operating temperature of ≤ 350 ℃. There are a variety of varieties to choose from.

Main component materials
　 Valve body:1Cr18Ni9Ti
　 Valve core:1Cr18Ni9Ti
　 Valve seat:1Cr18Ni9Ti

Valve stem:1Cr18Ni9Ti
　 Membrane cover:1Cr18Ni9Ti
　 Packing: polytetrafluoroethylene, flexible graphite
　 Diaphragm: Nitrile rubber, oil resistant rubber, fluororubber

Main technical parameters

Nominal diameter DN (mm)		20	25	32	40	50	65	80	100	125	150	200	250	300
Rated flow coefficient Kv		7	11	20	30	48	75	120	190	300	480	760	1100	1750
Rated travel L (mm)		8		10		14	20		25	40		50	60	70
Nominal pressure PN (MPa)		1.6, 4.0
Pressure regulation 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, 600-1500, 1000-2500
Inherent traffic characteristics		Hurry up
Adjustment accuracy (%)		±5
Operating temperature (℃)		≤350
Allowable leakage amount	Hard seal (1/h)	Single seat: ≤ 10-4 x rated capacity of valve (Class IV), double seat and sleeve: ≤ 5 x 10-3 x rated capacity of valve (Class II)
	Soft seal (m1/min)	0.15		0.30		0.45	0.60	0.90	1.70	4.0		6.75	11.10	16.0
Pressure reduction ratio	maximum	10
	minimum	1.25