Electric resistance type knife gate valve

• 

PZ973H series Electric resistance type knife gate valve The driving part adopts multi turn electric …

A gate valve, an overview:
PZ973H series Electric resistance type knife gate valve The driving part adopts multi turn electric device used to drive and control the opening and closing of the valve, the operator can control the distance of the valve in the indoor control field can also be manually operated, can also be matched with a computer to realize computer automatic control. Widely used in drainage, heating, power plant, chemical industry, papermaking, pharmaceutical, food, coal, mining and other projects, to meet the modern industrial and agricultural automation requirements.
Two parameters of the electric device:
1, power: AC380V, 50HZ.
2, standard type: standard products with dust, rain proof casing protection, protection grade IP65, can be directly used for outdoor.
3, waterproof type: waterproof products with dust, anti flooding (IP67) shell protection grade.
4, explosion-proof type (EX): DII BT4/DII CT4 explosion-proof grade (excluding acetylene).
5, the ambient temperature: -20 to 40 DEG C.
6, optional: electrical controller.
Three, Electric resistance type knife gate valve Characteristic：
1, slurry knife gate valve according to different caliber made dark rod and rod two forms (dark bar DN50 ~ 900mm, DN50 ~ 900mm rod), full circle design of the DC channel without slag, block. Processed into the bottom plate blade knife blade, on soft materials such as fiber, pulp, wood pulp with a cutting function, while the role of a good opening and closing. The upper blades installed in the hard Teflon wiper can prevent dust and scratch gravel and other substances into the packing box, can significantly increase the life of blades. The valve plate made of stainless steel and precision processing can obtain ideal sealing effect of grinding and polishing. Compact design, small occupying space, light weight, low price, easy to install, wear and anti blocking measures to perfect and convenient maintenance, convenient use and long service life, and can be arbitrarily selected drive.
2, valve body, filling culvert are precision casting, the whole body with flange type casting material, according to user needs by 304, 316, 316L, WCB, 2Crl3, PTFE seal with PTFE material, corrosion resistance, abrasion resistance, non stick slag.
3, the valve plate is provided with 5 supporting points, the valve plate has a good self alignment. When the valve is in the closed state, and under pressure, the valve plate does not shift.
4, slurry knife gate valves can be supplied with a handwheel, manual zipper, spur gear drive, bevel gear, pneumatic and electric.
5, slurry knife gate valve can be made within the V shape, triangle, five angle shaped channel. V type gate control can be used as a regulator.
6, slurry knife gate valve connected in the form of clip, flange lug, metal to metal seal, metal sealing of soft polyurethane, with enhanced PTFE seal.
7, medium: gold powder, tailings, pulp, wood pulp, fiber, dust, chemicals, sewage treatment tank, ore, slag, coal, asphalt, outlet, fruit, grain, cement slurry, slaughter wastewater etc..
8, the working temperature:
Soft seal (PTFE):-40 to 180 DEG C
Carbon steel: -29 to 425 DEG C
Stainless steel: -40 to 1100 DEG C
CrMoV: less than or equal to 550 DEG C
Working pressure: 0.6 ~ 1.6MP
Four, Electric resistance type knife gate valve Material description:
Part name material description code
Brand name
1 high quality carbon steel 25 round nut;
2 hand cast steel HT200;
3 high quality carbon steel bearing cover 35;
4 stem nut aluminum bronze ZCuA19Mn2, ZCuA19Fe4Ni4Mn2 aluminum brass ZCuZn25A16Fe3Mn3;
Bearing 5 - 51110;
6 stem stainless steel 304, 316 and 2Cr13;
The 7 bracket of carbon steel, stainless steel WCB, CF8 etc.;
8 gate 316, stainless steel 304, 304L, 316L, 2Cr13;
9 high quality carbon steel bolts and nuts 35;
The packing gland 10 carbon steel WCB;
11 packing flexible graphite packing asbestos fiber reinforced PTFE packing root-;
12 the body of carbon steel, stainless steel WCB, CF8 (304), CF3 (304L), CF8M (316), CF3M (316L), a seal surfacing alloy or stainless steel.
Five, the electric resistance type knife gate valve technical index:

Nominal pressure	DN	L	D1	D2	H	A	B	C	D	With N-	Denso model
Zero point six MPa	Fifty	Forty-eight	Ninety	One hundred and ten	Six hundred	Two hundred and fifteen	One hundred and twenty-five	Three hundred and eighteen	One hundred and ninety-seven	4-M12	DZ10
	Sixty-five	Forty-eight	One hundred and ten	One hundred and thirty	Six hundred and seventy	Two hundred and fifteen	One hundred and twenty-five	Three hundred and eighteen	One hundred and ninety-seven	4-M12	DZ10
	Eighty	Fifty-one	One hundred and twenty-five	One hundred and fifty	Six hundred and eighty	Two hundred and fifteen	One hundred and twenty-five	Three hundred and eighteen	One hundred and ninety-seven	4-M16	DZ10
	One hundred	Fifty-one	One hundred and forty-five	One hundred and seventy	Seven hundred	Two hundred and fifteen	One hundred and twenty-five	Three hundred and eighteen	One hundred and ninety-seven	4-M16	DZ10
	One hundred and twenty-five	Fifty-seven	One hundred and seventy-five	Two hundred	Seven hundred and twenty	Two hundred and fifteen	One hundred and twenty-five	Three hundred and eighteen	One hundred and ninety-seven	8-M16	DZ10
	One hundred and fifty	Fifty-seven	Two hundred	Two hundred and twenty-five	Seven hundred and ninety	Two hundred and fifteen	One hundred and twenty-five	Three hundred and eighteen	One hundred and ninety-seven	8-M16	DZ10
	Two hundred	Seventy	Two hundred and fifty-five	Two hundred and eighty	Eight hundred and fifty	Two hundred and fifteen	One hundred and twenty-five	Three hundred and sixty-three	One hundred and ninety-seven	8-M16	DZ15
	Two hundred and fifty	Seventy	Three hundred and ten	Three hundred and thirty-five	One thousand and one hundred	Two hundred and fifteen	One hundred and twenty-five	Three hundred and sixty-three	One hundred and ninety-seven	12-M16	DZ20
	Three hundred	Seventy-six	Three hundred and sixty-two	Three hundred and ninety-five	One thousand one hundred and eighty	Two hundred and fifteen	One hundred and twenty-five	Three hundred and sixty-three	One hundred and ninety-seven	12-M20	DZ20
	Three hundred and fifty	Seventy-six	Four hundred and twelve	Four hundred and forty-five	One thousand two hundred and eighty	Two hundred and fifteen	One hundred and twenty-five	Three hundred and sixty-three	One hundred and ninety-seven	12-M20	DZ30
	Four hundred	Eighty-nine	Four hundred and sixty-two	Four hundred and ninety-five	One thousand four hundred and sixty	Two hundred and fifteen	One hundred and twenty-five	Three hundred and sixty-three	, One hundred and ninety-seven	16-M20	DZ45 ">< > "td=".
	Four hundred and fifty	Eighty-nine	Five hundred and eighteen	Five hundred and fifty	One thousand and six hundred	Two hundred and forty	Two hundred and thirty-five	Four hundred and thirty-seven	Two hundred and seventy-seven	16-M20	DZ45
	Five hundred	One hundred and fourteen	Five hundred and sixty-eight	Six hundred	One thousand and eight hundred	Two hundred and forty	Two hundred and thirty-five	Four hundred and thirty-seven	Two hundred and seventy-seven	16-M20	DZ60
	Six hundred	One hundred and fourteen	Six hundred and seventy	Seven hundred and five	Two thousand and one hundred	Two hundred and forty	Two hundred and thirty-five	Four hundred and thirty-seven	Two hundred and seventy-seven	20-M22	DZ60
	Seven hundred	One hundred and twenty-seven	Seven hundred and seventy-five	Eight hundred and ten	Two thousand and three hundred	Two hundred and seventy-four	Two hundred and sixty	Five hundred and twenty-six	Two hundred and eighty-three	24-M22	DZ90
	Eight hundred	One hundred and twenty-seven	Eight hundred and eighty	Nine hundred and twenty	Two thousand and five hundred	Two hundred and seventy-four	Two hundred and sixty	Five hundred and twenty-six	Two hundred and eighty-three	24-M27	DZ120
	Nine hundred	One hundred and fifty-four	Nine hundred and eighty	One thousand and twenty	Two thousand and seven hundred	Three hundred and nineteen	Two hundred and ninety-five	Five hundred and fifty-four	Three hundred and nine	24-M27	DZ180
	One thousand	One hundred and sixty-five	One thousand and eighty	One thousand one hundred and twenty	Two thousand and nine hundred	Three hundred and nineteen	Two hundred and ninety-five	Five hundred and fifty-four	Three hundred and nine	28-M27	DZ250
	One thousand and two hundred	One hundred and ninety	One thousand two hundred and ninety-five	One thousand three hundred and forty	Two thousand and three hundred	Three hundred and nineteen	Two hundred and ninety-five	Five hundred and fifty-four	Three hundred and nine	32-M27	DZ250
One MPa	Fifty	Forty-eight	One hundred	One hundred and twenty-five	Six hundred	Two hundred and fifteen	One hundred and twenty-five	Three hundred and eighteen	One hundred and ninety-seven	4-M16	DZ10
	Sixty-five	Forty-eight	One hundred and twenty	One hundred and forty-five	Six hundred and seventy	Two hundred and fifteen	One hundred and twenty-five	Three hundred and eighteen	One hundred and ninety-seven	4-M16	DZ10
	Eighty	Fifty-one	One hundred and thirty-five	One hundred and sixty	Six hundred and eighty	Two hundred and fifteen	One hundred and twenty-five	Three hundred and eighteen	One hundred and ninety-seven	4-M16	DZ10
	One hundred	Fifty-one	One hundred and fifty-five	One hundred and eighty	Seven hundred	Two hundred and fifteen	One hundred and twenty-five	Three hundred and eighteen	One hundred and ninety-seven	8-M16	DZ10
	One hundred and twenty-five	Fifty-seven	One hundred and eighty-five	Two hundred and ten	Seven hundred and twenty	Two hundred and fifteen	One hundred and twenty-five	Three hundred and eighteen	One hundred and ninety-seven	8-M16	DZ10
	One hundred and fifty	Fifty-seven	Two hundred and ten	Two thousand and four hundred	Seven hundred and ninety	Two hundred and fifteen	One hundred and twenty-five	Three hundred and sixty-three	One hundred and ninety-seven	8-M20	DZ15
	Two hundred	Seventy	Two hundred and sixty-five	Two hundred and ninety-five	Eight hundred and fifty	Two hundred and fifteen	One hundred and twenty-five	Three hundred and sixty-three	One hundred and ninety-seven	8-M20	DZ20
	Two hundred and fifty	Seventy	Three hundred and twenty	Three hundred and fifty	One thousand one hundred and forty	Two hundred and fifteen	One hundred and twenty-five	Three hundred and sixty-three	One hundred and ninety-seven	12-M20	DZ20
	Three hundred	Seventy-six	Three hundred and sixty-eight	Four hundred	One thousand one hundred and eighty	Two hundred and fifteen	One hundred and twenty-five	Three hundred and sixty-three	One hundred and ninety-seven	12-M20	DZ30
	Three hundred and fifty	Seventy-six	Four hundred and twenty-eight	Four hundred and sixty	One thousand two hundred and eighty	Two hundred and fifteen	One hundred and twenty-five	Three hundred and sixty-three	One hundred and ninety-seven	16-M20	DZ30
	Four hundred	Eighty-nine	Four hundred and eighty-two	Five hundred and fifteen	One thousand four hundred and sixty	Two hundred and forty	Two hundred and thirty-five	Four hundred and thirty-seven	Two hundred and seventy-seven	16-M22	DZ45
	Four hundred and fifty	Eighty-nine	Five hundred and thirty-two	Five hundred and sixty-five	One thousand and six hundred	Two hundred and forty	Two hundred and thirty-five	Four hundred and thirty-seven	Two hundred and seventy-seven	20-M22	DZ45
	Five hundred	One hundred and fourteen	Five hundred and eighty-five	Six hundred and twenty	One thousand and eight hundred	Two hundred and forty	Two hundred and thirty-five	Four hundred and thirty-seven	Two hundred and seventy-seven	20-M22	DZ60
	Six hundred	One hundred and fourteen	Six hundred and eighty-five	Seven hundred and twenty-five	Two thousand and one hundred	Two hundred and forty	Two hundred and thirty-five	Four hundred and thirty-seven	Two hundred and seventy-seven	20-M27	DZ60
	Seven hundred	One hundred and twenty-seven	Eight hundred	Eight hundred and forty	Two thousand and three hundred	Two hundred and seventy-four	Two hundred and sixty	Five hundred and twenty-six	Two hundred and thirty-eight	24-M27	DZ120
	Eight hundred	One hundred and twenty-seven	Eight hundred and ninety-eight	Nine hundred and fifty	Two thousand and five hundred	Three hundred and nineteen	Two hundred and ninety-five	Five hundred and fifty-four	Three hundred and nine	24-M30	DZ180
	Nine hundred	One hundred and fifty-four	One thousand and five	One thousand and fifty	Two thousand and seven hundred	Three hundred and nineteen	Two hundred and ninety-five	Five hundred and fifty-four	Three hundred and nine	28-M30	DZ180
	One thousand	One hundred and sixty-five	One thousand one hundred and fifteen	One thousand one hundred and sixty	Two thousand and nine hundred	Three hundred and nineteen	Two hundred and ninety-five	Five hundred and fifty-four	Three hundred and nine	28-M30	DZ250
	One thousand and two hundred	One hundred and ninety	One thousand three hundred and twenty-five	One thousand three hundred and eighty	Three thousand and four hundred	Three hundred and nineteen	Two hundred and ninety-five	Five hundred and fifty-four	Three hundred and nine	32-M36	DZ258