Central Line Soft Sealed Wafer Electric Butterfly Valve

Product Description

As a gas modulation device & a two-way switch device, gas low-load electric butterfly valve is suitable to ventilation and dust removing pipeline in the industrial fields of metallurgy, mineral, cement, chemical-engineering, power generation, industrial furnace and so on.

The parameters

Power supply	AC220V 50/60HZ
Operating temperature	0-450 Celsius degree (Optional)
Imput signal	4-20mA
Output signal	4-20mA
Body connections	Wafer /Flange(Optional)
Flow characteristics	Approximate EQ%
Body material	A3 Steel, Heat-resistance steel
Disc material	A3, Heat-resistant steel, SUS304 Stainless steel, SUS316 Stainless steel
Seal type	Open type, back-seated type (ultra high temperature application), sealed oblique plate type (room temperature application).
Valve size	DN100~DN2000
Body ratings	0.1~0.6MPa
Test pressure	Sealed 0.15Mpa; Body 0.11Mpa
Applicable temperature	< 200 Celsius degree Special: < 450 Celsius degree
Applicable medium	Smoke, air, gas
Manufacturing standards	JB/T8692-1998

Installation Diagram

The material of main parts

Part name	Body	Disc	Stuffing box	Gland ring	Seat	Packing	Stem
Material trademark	WCB ZG1CrM0 ZG 1Cr18Ni9Ti	WCB Stainless steel or lining	WCB 40Cr ZG 1Cr18Ni9Ti	WCB ZG1CrM0 ZG 1Cr18Ni9Ti	FEP	FEP	2Cr13

Applicable channelizing medium

Medium state	Medium Temp.	Medium pressure	Medium characteristics	Medium concentration	Medium name
Liquid	-50ºC~+160ºC	0~20kg/cm2	Strong corrosion, high scour  sharpen	unlimited	Acid, alkali, salt, chlorine gas, steam, source water, mine pulp, paper pulp, aqua regia, oxidant, reductant.
Gas	-50ºC~+160ºC	0~20kg/cm2	Strong corrosion, high scour  sharpen	unlimited
Mixture of liquid and gas	-50ºC~+160ºC	0~20kg/cm2	Strong corrosion, high scour  sharpen	<60%

Control Diagram

Model	Circuit	Model	Circuit
S	ON/OFF,no output signal	CPT	ON/OFF,output 4~20mA signal
MS	ON/OFF,output passive contact signal	PCU	Regulation,output 4~20mA signal

Why choose GRAT Valve?

1,Tiny flow control valve only 0-10L/hour.
2,Quick switch control valve only 4-6s.
3,Simple,Long-life,Reliable and free Maintenance.
4,One hundred thousand times failure free operation.
5,One sample order is welcome.
6,Technical support in 24 hours for your service.

FAQ;

1,Are you trading company or manufacturer?
We are factory,we have our own brand Grat.
 
2,How long is your delivery time?
Generally it is 3-7 days if the goods are in Stock.Or It is 7-10days if the goods are not in stock.it is according to quantity.
 
3,Do you provide sample? it is free or extra?
Yes,we could offer the sample,but you have to pay the cost and freight.
 
4,What is your terms of payment?
we can accept paypal,Western union and T/T payment.
If payment <=1000 usd,100% in advance.If payment >=1000usd,50% T/T in advance,balance before shippment.

 

 

Company info

Contact Informaion;



Packing&Shipping
1.Packing: inner with bubble wrap,outer with cardboard box and   wooden case
2.Transportation:by sea,by air,by train

Our Services
1.Professional consultation before customer place the order
2.In 24 hours response after sale
3.One year warranty
4.Safe packing for shipment
5.Welcome sample order