Pneumatic diaphragm three-way control valveDN1''-40'' (ANSI ,API)

1. advanced equipment 2. strong commonality 3. compact form 4. reliable in use 5. macthing spool are provided

Pneumatic diaphragm three-way control valve

specifications:

It widely used in chemical,  power plants, light industry, textile, metallurgical industrial production,Especially the oil .

Specification
DN		25	32	40	50	65	80	100	125	150	200
Rated flow coefficient(KV)	flowing together	8.5	13	21	34	53	85	135	210	340	535
	split-flow						85	135	210	340	535
Rated stroke		16	25			40			60
diaphragm(cm2)		280	400			600			100
PN		PN(Mpa)1.6  4.0  6.4  10.0  ANSI 150# 300# 600#
Rated flow characteristic		Lining  percentage
Adjustment		30:1
signal		20-100  40-200  80 - 240
Air supply		0.14  0.25  0.28 0.40
pressure drop		0.86	0.75	0.48	0.31	0.27	0.18	0.11	0.12	0.09	0.05

  

Main parts materials: Valve body, valve cover: ZG230-450, ZGlCr18Ni9Ti Spool, the valve seat: 1Cr18Ni9T,  Levin Titanium Alloy Welding Division + 1Cr18Ni9Ti 

stuffing : PTFE  flexible graphite

Gasket: Rubber,, graphite spiral wound gasket Membrane covered: A3   1Cr18Ni9TICorrugated Diaphragm: NBR folder enhanced polyester fabric Spring: 60Si2Mn Stem, putting: 2Cr13, 1Cr18Ni9Ti 

Ordering Information:1. Product name and model2. DN3. Rated flow coefficient KV4. Nominal pressure and differential pressure5. Valve and valve components of materials6. Connection7. Transmission8. Flow characteristics9. Suitable temperature10. Control signal is a 4-20mA current or 1-5v voltage signal11. Valve product with attachments so that we can correct for your selection

 

DN		25	32	40	50	65	80	100	125	150	200
Rated flow Coefficient KV	Mixing	8.5	13	21	34	53	85	135	210	340	535
	diverting						85	135	210	340	535
PN		1.6     4.0      6.4     10
Permissible pressure(Mpa)		0.86	0.75	0.48	0.31	0.27	0.18	0.11	0.12	0.09	0.05

Pneumatic diaphragm three-way control valveDN1''-40'' (ANSI ,API)