DI Rising Stem Resilient Seated Gate Valve

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Technical Date		Material Specification
Nominal Diameter	DN50-DN600	Valve Body	Ductile Iron QT450-10
Nominal Pressure	PN10/PN16	Hand Wheel
Operation Temperature	-40°C~225°C	Bonnet
Flange Driling Standard	EN 1002-2 PN10/16	Gland Flange
Suface Treatment	Akzo Nobel Fusion Bonded Epoxy	Stem	2Cr13/ss410
Suface Treatment	Akzo Nobel Fusion Bonded Epoxy	Seal Material	EPDM or NBR
Application	Portable water, water distribution service & feed lines, sewage disposol, irrigation, fire protection pipe systerm, etc.	Wedge Nut	Carbon Steel
Application		Thrust Washer	Brass

Q: What does gate valve Z44T-10-200 code mean?: The meaning of the model is standard, the landlord himself to check the JB/T308 standard, Baidu library some, and is free to download:JB/T 308-2004 valve type method of preparation clear EditionHttp://wenku.baidu /view/5f798850ad02de80d4d84036.htmlZ = gate valve4 = connection: flange4 = structure form: double gateT = sealing surface material: Copper10 = nominal pressure: 1.0MPa, followed by no letters indicate body material: Cast Iron200 = nominal path: DN200

Q: Soft sealed gate valve and hard sealing gate valve which good?: If the caliber, material and pressure levels are the same, the current market price is still soft sealed gate valve, about 20-30%.

Q: Z45T-10 what kind of material is the gate valve?: JB/T 308 regulation3.7.4 nominal pressure of less than 1.6Mpa gray cast iron valve body material code, in the type of preparation to be omitted.So its body material is gray cast iron, the sealing surface is copper alloy

Q: What is the standard for ductile iron gate valve set?: Fujian - mark light - valve for you to answer:Whether it is the next shot or dark bar, directly flanged valves can be installed, usually apply eighth copies, if the industrial pipeline is apply sixth copies, sixth copies to apply separate sets of flanges and bolts (bolts independent fee).

Q: Please tell the specific specifications and specifications of the gate valve and advise the principle of management cooperation Thank you: DN200 refers to the nominal diameter of the valve, the unit is mm, PN160 refers to the valve tolerance pressure, the unit is 1/10MPa.

Q: What is a protective gate valve? What is gate valve knowledge?: it is up to the function of a single valve can not reach the exit of the product is installed in the water supply pipe and the head of civil air defense to conveying medium to stop, wave and wave combination, to prevent internal shock wave into the system engineering facilities, so as to eliminate the destructive shock wave, to protect the system facilities normal operation and safety protection purpose.

Q: Why does the fire hydrant box in the air defense area need to be added with gate valves?: when the envelope from the introduction of civil air defense, air defense should be set in the side of retaining structure; through the protection unit between the closed wall, should be installed in the pipe walls on both sides of the door closed;2 protection valve nominal pressure shall not be less than 1.OMPa;

Q: What is the allowable leakage rate of the gate valve D?: In GB/T 13927, the leakage rate of the valve is divided into 10 grades, namely: A, AA, B, C, CC, D, E, EE, F, G class. And stipulates that when the order contract does not specify, the metal sealing valve according to D requirements.

Q: What is the difference between gate valve Z41T and Z45T?: Z41T is a dark pole gate valve, and Z45T is a plain rod gate valve,

Q: What is an inverted seal gate valve?: The inverted sealing gate valve is provided with an inverted sealing device, and when the valve is fully opened, an inverted seal is formed, and the filling can be changed under the normal operation of the system.

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