Ductile iron valve with best price and quality

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Packaging Detail:	according to the customers' requestments
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ductile iron valve
1 DN 40-1200
2 High production abality
3 Competitive price + excellent quality

ductile iron valve

feature:

ductile iron valve
Size:	DN40-DN1200/1.5''-48''
End flange:	ANSI B 16.1,ASTM B 16.47,EN 1092, AS 2129
Face to face:	ANSI B 16.10
Standard	API609/EN593/BS5155
Top flange:	ISO 5211
Nominal pressure:	DN40-DN600(1.5”-24”) PN1.0/1.6MPa(150/200PSI) DN700-DN1200(28”-48”) PN1.0MPa(150PSI)
Body:	Cast Iron/Ductile Iron/WCB/Carbon steel/AL-Bronze/CF8,SS304/CF8M,SS316
Disc:	Ductile Iron/Ni-plated ductile iron/Nylon-plated ductile iron/AL-Bronze/Rubberlined Disc/1.2501/1.4529/CF8/CF8M/Hastelloy Alloy/Monel
Stem:	SS416/SS304/SS316/SS431/17-4PH/Monel
Seat:	NBR/Hypalon/EPDM/Neoprene/NR/Wear-Resistant EPDM/Viton/Silicon/Heat-Resistant EPDM/White EPDM/EPDM(NSF)/PTFE
Suitable temperature:	Normal Temperature -45°C~150°C
Medium:	Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.
Operated way	Handwheel; worm gear, pneumatic or electric actuator,

Name Of Vave Parts	Materials
Body	CI. DI. Carbon Steel(WCB). Stainless Steel.
Disc	DI nylon coating. DI chlorinated polyether coating,DI chrome plating, Al-bronze, Stainless steel, Carbon steel plating, Glass-lined carbon steel cladding
Seat	Natural rubber, Nitrile rubber, Chloroprene rubber, Ethylene-propylene rubber, Silicone rubber, Fluorine rubber, PTFE
Stem	Stainless steel. Carbon steel. Carbon steel with nylon coating.
Bushings	Lubricating bronze, PTFE
O Ring	Ethylene-propylene rubber, Nitrile rubber
Coating	DN 40---600 ( 1.5---24 inch ) Spray-painted
Actuator Devices	Malleable handle, Turbine reduction gear, Electric actuators, Pneumatic actuators

Q:What kind of valve is it? How do you see the status of the switch?: This is a ball valve, that is, usually said cut-off valve, to determine the switch state is carefully look at, there is a switch on the status of the arrow, you will understand.

Q:the valve to an electrical signal, with this signal to control other components, ask: what valve?: Online search "air switch", many suppliers.You may choose your pipe according to your pipe diameter.The flow meter can also be used to control the flow of operation

Q:What is a lift rod valve?: The valve stem and valve plate are relatively fixed, and the valve stem rises up when the valve plate is raised

Q:Excuse me American Standard pressure test valve GB standards are much ~ is how much valve pressure can play much pressure? Thank you: The standard is different, the test is not the same, what kind of valve you, a domestic valve only do stress testing, in fact, the pressure can generally be guaranteed, many are bad at high temperature or life testing above

Q:What should be checked before using the valve?: The valve must be tested before installationI. examination of documentsThe valve must check the quality documents before installation, the valve manufacturer should be nameplate, nameplate and the body should be the name of the manufacturer, valve type, nominal pressure, nominal diameter and logo, must comply with the "universal valve logo" GB 12220.Two, appearance inspection

Q:What are the major brands of valves abroad?: Fisher (Emerson's brand, pneumatic head and regulating valve is good) mountain Wu (Japan's control valve is doing well)

Q:Is there any problem with connecting the geothermal valves with other geothermal pipes?: Material is the same, the fuse will not cause shrinkage when you can use

Q:How to identify the good or bad of the valve, without pressure test and instrument?: First, the appearance, two according to the standard to see flange thickness, outer circle, wall thickness and other dimensions are standard, 3 see details.

Q:How to better maintain the valve?: Use and maintenanceThe maintenance of the aim is to extend valve life and ensure reliable opening and closingThe stem threads, often with the stem nut friction, to a little yellow dry coating oil, molybdenum disulfide or graphite, lubricationWe do not often open and close the valve, but also on a regular basis handwheel on the stem threads to add lubricant to prevent bitingThe outdoor valve, to increase the protection sleeve on the stem, to rain, snow, dust and rustIf the mechanical valve system to be fixed, to add time to the gearbox oil

Q:What does the valve "4" mean?: Refers to the size of the wire tooth, usually refers to the internal and external teeth 4 points, also known as DN15, the outer diameter is 20mm

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