Z45H/T/W Cast iron gate valveDetailed product description：

Main characteristics and applications of Z45H/T/W cast iron gate valve

1. Compact structure, reasonable design, good valve rigidity, smooth channel, and low flow resistance coefficient.
2. The sealing surface is made of stainless steel and hard alloy, with a long service life.
3. Using flexible graphite packing, reliable sealing, and easy and flexible operation.
4. Drive modes include manual, electric, pneumatic, and gear transmission. Structural types include elastic wedge single gate, rigid wedge single gate, and double gate models.
5. Widely applicable as an opening and closing device for connecting or cutting off the medium in oil and steam pipelines such as petrochemicals and thermal power plants.
Execution Standard
Design and Manufacturing: According to the provisions of GB/T12234-89
Structural length: According to the provisions of GB/T12221-89
Flange size: According to the provisions of JB79 GB/T9112-9311
Inspection and Testing: According to the provisions of JB/T9092-99 GB/T13927-92
Transmission mode: manual, electric, gear transmission

Main technical parameters

Model	Nominal pressure MPa	Test pressure MPa		Operating Temperature	Using media
		seal	intensity
Z45H-10	one	one point one	one point five	≤200℃	Water, steam, oil
Z45T-10
Z45W-10				≤100℃	Oil and gas

Main component materials

Model	Valve body, valve cover, gate plate	ram	Seal ring	stem nut	Valve stem	Packing material
Z45H-10	Grey cast iron, cast steel	Carbon steel+alloy steel	Stainless steel, alloy steel	Bronze	Carbon steel, stainless steel	Oil impregnated asbestos packing
Z45W-10	gray cast iron	gray cast iron	Brass		carbon steel
Z45T-10	gray cast iron	Grey cast iron+brass	Brass		Carbon steel, brass

Main external dimensions and weight

Nominal communication DN(mm)	Dimensions (mm)								Weight （kg）
	L	D	D1	D2	b	Z-d	H	D0
fifty	one hundred and eighty	one hundred and sixty	one hundred and twenty-five	one hundred	twenty	4-18	three hundred and forty-five	one hundred and eighty	seventeen
sixty-five	one hundred and ninety-five	one hundred and eighty	one hundred and forty-five	one hundred and twenty	twenty	4-18	three hundred and seventy-six	one hundred and eighty	twenty
eighty	two hundred and ten	one hundred and ninety-five	one hundred and sixty	one hundred and thirty-five	twenty-two	4-18	four hundred and seventeen	two hundred	twenty-seven
one hundred	two hundred and thirty	two hundred and fifteen	one hundred and eighty	one hundred and fifty-five	twenty-two	8-18	four hundred and sixty	two hundred	fifty
one hundred and twenty-five	two hundred and fifty-five	two hundred and forty-five	two hundred and ten	one hundred and eighty-five	twenty-four	8-18	five hundred and twenty-five	two hundred and forty	seventy
one hundred and fifty	two hundred and eighty	two hundred and eighty	two hundred and forty	two hundred and ten	twenty-four	8-23	five hundred and sixty-seven	two hundred and forty	ninety-five
two hundred	three hundred and thirty	three hundred and thirty-five	two hundred and ninety-five	two hundred and sixty-five	twenty-six	8-23	seven hundred and five	three hundred and twenty	one hundred and fifty
two hundred and fifty	three hundred and eighty	three hundred and ninety	three hundred and fifty	three hundred and twenty	twenty-eight	12-23	eight hundred	three hundred and twenty	two hundred
three hundred	four hundred and twenty	four hundred and forty	four hundred	three hundred and sixty-eight	twenty-eight	12-23	eight hundred and eighty-six	four hundred	two hundred and eighty
three hundred and fifty	four hundred and fifty	five hundred	four hundred and sixty	four hundred and twenty-eight	thirty	16-23	nine hundred and sixty-eight	four hundred	three hundred and sixty
four hundred	four hundred and eighty	five hundred and sixty-five	five hundred and fifteen	four hundred and eighty-two	thirty-two	16-25	one thousand and ninety	five hundred	five hundred
four hundred and fifty	five hundred and ten	six hundred and fifteen	five hundred and sixty-five	five hundred and thirty-eight	thirty-two	20-25	one thousand one hundred and seventy-five	five hundred	five hundred and ninety
five hundred	five hundred and forty	six hundred and seventy	six hundred and twenty	five hundred and eighty-five	thirty-four	20-25	one thousand four hundred and fourteen	seven hundred and twenty	six hundred and eighty
six hundred	six hundred	seven hundred and eighty	seven hundred and twenty-five	six hundred and eighty-five	thirty-six	20-30	one thousand five hundred and ninety-three	seven hundred and twenty	nine hundred and fifty-one
seven hundred	six hundred and sixty	eight hundred and ninety-five	eight hundred and forty	eight hundred	forty	24-30	one thousand eight hundred and twelve	eight hundred	one thousand nine hundred and fifty