butterfly valve certificate:ISO9001 CE

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Quick DetailsStandard or Nonstandard:  Standard Structure:  Gate Pressure:  Medium Pressure

Power:  Manual Material:  Casting Temperature of Media:  Medium Temperature

Media:  Water Port Size:  DN40mm-DN300 Place of Origin:  China (Mainland)

Model Number:  GF4 resilient gate valves:  resilient seat flange


Packaging & DeliveryPackaging Detail: air plastic bag inside/wooden box outside

Delivery Detail: 15-60days


SpecificationsDIN3352 F4 resilient seat flange gate valves

1.s:DN40-DN300 ize

2.medium:water

3.standard:DIN

4.certificate:ISO9001 CE


resilient gate valves

1.size:DN40-DN300

2.medium:water

3.certificate:ISO9001 CE

4.standard:DIN


available medium:water

working temperature:≤80oC


flange dimensions:DIN2501


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Q:What are the advantages of butterfly valves?
B. is cheap, especially when the caliber is big;C. the resistance loss is small and the fluid decreases through pressure;
Q:What type of butterfly valves do you have in DN125?
The butterfly type according to the usage, and there are many kinds of driving modes, different means, generally expressed as follows: Butterfly symbol: D; 1, drive mode: 0: 1: electromagnetic solenoid valve; hydraulic; electro hydraulic; 2: 3: 4: worm gear; spur gear 5: bevel gear;; pneumatic; 6: 7: 8: gas - Hydraulic; hydraulic; 9: Electric; handle, handwheel: no code. Connection: 2, valve is generally only two, 4: 7: flange type; clamp; 3, butterfly valve structure code: divided into sealed and non sealed type two; seal type: 0: 1: single eccentric; vertical center; 2: 3: three double eccentricity; eccentricity; 4: linkage; sealing type: 5: 6: single eccentric; vertical center; 7: 8: three double eccentricity; eccentricity; linkage mechanism: 9. 4, the sealing material: This lot, watch some kinds of H:Cr13 stainless steel; lining; J: S: X: plastic; rubber; for example: D971X: refers to the electric clamp center vertical plate rubber sealing butterfly valve.
Q:Butterfly valve structure and working principle
Butterfly valve structure: Center to clip butterfly valve, single eccentric butterfly valve, double eccentric butterfly valve, three eccentric butterfly valve
Q:anti siphon valve?
If the antisyphon valve is not leaking maybe you should focus attention on the main valve ( assuming it is a solenoid valve) to see if it closes completely. Another thing, if the irrigation zone is on an incline then the water in the system will drain to the lowest point. Sometimes it drains slowly causing the impression of a leaky feed valve.
Q:What do D71, D371 and D341 represent in butterfly valves?
D71 stands for middle line to clip butterfly valveD371 represents the worm wheel centerline pair clip butterfly valveD341 stands for worm gear flange butterfly valve
Q:How many kinds of butterfly valves are there?
Also known as butterfly valve, control valve has a simple structure, can be used for low pressure pipeline valve switching control is closed parts (disc or disc) is a disk, around the valve axis to achieve the opening and closing a valve, the valve can be used to control the flow of air, water, steam steam, all kinds of corrosive medium, mud, oil, metals and radioactive liquid media and other types of fluid. On the pipeline, mainly from cutting and throttling. Butterfly valve headstock is a disc shaped disc, in the valve body around its own axis of rotation, so as to achieve the purpose of opening or closing or regulation.[structure]The utility model is mainly composed of a valve body, a valve stem, a butterfly plate and a sealing ring. The valve body is cylindrical and has short axial length and is internally provided with a butterfly plate.
Q:Why do you need two butterfly valves in the water well?
Check the water gauge and check valve on both sides to facilitate the maintenance and replacement of water meter and check valve.
Q:DN80 flange butterfly valve, DN80 flange butterfly valve DN80, flange butterfly valve DN80 what is the difference?
Of course there are differences, the general market sales of the DN80 are many flange plate copper rod butterfly valve, quality can not reach the national standard, to use copper rod copper butterfly valve quality is king.
Q:What is the principle of butterfly valve and check valve? Any difference?
Direct water butterfly valve, check valve is to water can not flow valve
Q:unstick valves in 1988 volkswagon rabbit?
The only reason for a stuck valve is if it bent from a thrown timing belt. Sitting 4 years will not cause valves to stick usually, because there is always some oil leakage from the head, that prevents rust. How do you know the valve is stuck? Have you done a compression test, checked the valve clearance? When you say you take a wrench to manually unstick it, it would help to know what you mean, because there is no place to put a wrench that would help unstick a valve that was stuck. You need to tell us much more.

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