IP68 Explosion-Proof Electric Butterfly Valve

• Media: Water
• Driving Mode: Electric
• Connection Form: Flange
• Structure: Centre Sealing
• Seal Form: Auto Sealed
• Valve Stem: Normal
• Model NO.: EB-series
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Casting
• Standard: GB/T 122387-89
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Protection Grade: IP68
• Explosion-Proof Grade: Exid II Bt4
• Transport Package: Wooden Canton
• Trademark: Grat
• Origin: Wuhan, China
• HS Code: 8537109090

Product Description

                                                                        IP68 Explosion-Proof Electric Butterfly Valve

Product profile:

Product introduction:
Explosion-proof Electric Butterfly Valve has the non-pin structure to effectively avoid the pin break off in a long- term operation as a modulation device to control and cut off the various industrial medium of water and oil to realize temperature pressure and flow control.
All electrical and mechanical components are sealed in aluminum alloy shell with high instant explosion resistance pressure of 1.6MPa  isolating the ignition source effectively.

With "o "ring seal up to protection grade IP68 Each explosion-proof surface adopts circular clearance and CNC precision machining to achieve stable and reliable explosion-proof performance
This valve is suited to the pipeline and container of non corrosive gas liquid semi-liquid and solid powder and  applied in the industrial fields of petroleum chemical food medicine textile papermaking power shipwater and drainage smelting energy and so on.

Explosion-proof grade:
 TA: explosion-proof series products of explosion-proof level for Exd II BT4
 The Ex
 D:  Explosion-proof type: Explosion-proof
 II : Electrical equipment used in explosive gas environment  except the coal mine of device
 B:  Explosion level:  the size (width and clearance) of the explosion-proof surface in accordance with the explosion level
 T4: Temperature group:  the maximum temperature in surface  is 135ºC 
In appendix B of GB3836.1-2000 the grade and temperature of combustible gas are listed in detail

 [NOTED] the types and groups of explosive media around the place where the product is used must be consistent with those permitted by the product.Otherwise it can't play the explosion-proof effect in non-applicable environment

PRODUCT CHARACTERISTICS

Nominal diameter	DN40~DN800
Power supply	AC220V,AC380V DC24V
Fluid temp.	-20~120ºC
Ambient temp.	-30ºC-60ºC
Nominal pressure	0.1~2.5MPa
Action time	15S/30S/60S
Suitable fluid	Water Oil Gas Corrosive fluids.
Control mode	Regulation /  Switch on-off
Control signal	4-20mA/0-5V~10V(Optional)
Output signal	4-20mA/0-5V~10V(Optional)
Connection type	Wafer
Seal type	Soft seal
Test pressure	Casing test	1.76MPa
	Seal test	2.4MPa
Body material	WCB,QT450-10,HT200,HT250,SUS304,SUS316
Disc material	WCB,QT450-10,HT200,HT250,SUS304,SUS316
Stem material	2Cr13
Seal ring material	NBR EPDM PTFE PPL
Seal material of stem	NBR,HNBR
Stuffing	Soft graphite
Protection class	IP68
Explosion-proof grade	Exid II BT4
Manufacture standard	GB/T 122387-89
Flange standard	GB9113-2000,GB17241.6-1998
Length standard	GB12221-89
Inspection standard	GB/T 13927-92

CV data of central line butterfly valve

Size	mm	50	65	80	100	125	150	200	250	300	350	400	450	500	600	700	800	900	1000	1200
	inch	2"	2.5"	3"	4"	5"	6"	8"	10"	12"	14"	16"	18"	20"	24"	28"	32"	36"	40"	48"
CV data  Full 90°Open		135	220	302	600	1022	1579	3136	5340	8250	11917	16388	21705	27908	43116	49500	68250	86375	119750	187300

Figure and size

 

DN(mm)	L	D	K	N-φD	H2	H1	W1	W2
40	33	72	---	---	48	210	138	76
50	42.6	92	125	4-Φ18	70	314	160	137
65	45.6	106	145	4-φ18	76	327	160	137
80	45.6	122	160	8-φ18	89	333	160	137
100	51.6	150	180	4-φ22	104	385	196	145
125	55.6	177	210	4-φ22	120	400	196	145
150	55.6	204	240	4-φ23	139	442	255	182
200	59.6	260	295	4-φ23	175	480	255	182
250	67.6	314	355	4-φ28	203	522	255	182
300	77.6	370	410	4-φ28	242	537	255	182
350	77	---	470	4-φ28	277.5	555	354	273
400	86.5	---	525	4-φ30	309	590	354	273
450	105.6	---	585	4-φ30	337	610	354	273
500	131.8	---	650	4-φ33	361	670	354	273
600	152	---	770	4-φ36	459	1110	520	470
700	163	---	840	4-φ36	527	1180	520	470
800	188	---	950	4-φ39	594	1220	520	470

Wire Connection Diagram

Company Introduction
Wuhan Grat Control Valve is a professional valve manufacturer established in 2005.It is specialized in researching and developing various automatic valves for industrial automation and on-site implimentation products. 
In 10 year development,Grat has obtained 9 patents like small flow control valve and potentiometer position device,and do business with more than 1000 companies all over the world.Some of them are world famous enterprises
According to ISO9001:2008 quality management system,Grat strictly controls the product quality and the whole production process.In 2015,Grat got CE certificates and passed successfully EMC tests and CNAS 100000 times lifetime tests. 
With the ERP and CRM systems applied in management,they enhance the resource and information level and improve the ability of customer relationship.High quality and good service are our advantages to win the market.

Manufacturing
As a Hi-Tech enterprise,we have our Design Team for innovation and customization.For these years,we achive more than 20 kinds of proprietary technology to make our product more powerful.


Most of our staff  are with more than 10 years' machinery manufacture experience. Also,we have our professional Quality Assurance Team for quality control.



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



Applications 
       Grat control vale is widely applied in Petrochemical industry, pharmaceutical and chemical industry, natural gas pipeline, electric power industry, food industry, industrial refrigeration, automatic control, environmental water protection, metallurgical industry......


Our clients: in oil&gas, water processing, refrigeration equipment, power, marine, food, wind-energy, phamarceutical and chemical industries



Welcome to visit Grat Control Valve, we are here all the time!



Wuhan Grat Control Valve
Add: No.6, Liufangyuan Road,Wuhan 430200,China.