Lug Type Butterfly Valve Without Pin Ductile Iron DN150

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Tianjin
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TT OR LC
Min Order Qty:
50 set
Supply Capability:
20000 set/month

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Product Description:

Centerline structure,pinless double half shaft design.
Disc has two-way bearing, no installation direction requirements.
Non-backed replaceable seat with good performance and a longer working life.
Square and short neck for lable use and cost saving.
Easy installation, no need flange gasket.

 

SizeDN50mm-DN600mm
Design standardAPI609/EN593
End flangeDINPN10/PN16, BS4504PN10/PN16, ANSI class125#/class150#
Face to faceAPI609/EN558-1
Top flangeISO5211
BodyDuctile iron/Cast iron
DiscDuctile iron/CF8/CF8M/C95400/C95500
StemSS420
SeatEPDM/NBR/Viton/PTFE
ActuatorBare shaft/Lever/Gearbox and handwheel
CoatingEpoxy/Nylon/PTFE
PinWith out pin
Suitable mediumWater/Seawater/Sewage/Air/Foodstuff/Oil

 

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Q:What is the meaning of the D341*5-10 / 16ZB1 turbine butterfly valve flange said?
D: for clamp, 3: turbine head 4: flange connection 1: vertical plate X5: Ding fine rubber 10/16: nominal pressure Z: gray cast iron valve body, B1: valve plate material is ductile iron
Q:What is a Valve Adjustment?
Some cars have little hydraulic gizmos to keep the valves more or less where they're supposed to be. Doing without them is, according to some, a tad more precise, but you have to have the valves checked now and then. (On my old Celica, it was a 60k maintenance item.) It will probably run a hair better afterwards.
Q:Butterfly valve network and ordinary butterfly what is the difference?
1. The butterfly valve of the pipe network adopts an eccentric structure. When closed, it has the function of closing and tightening. The sealing performance is reliable. After opening and closing, the cover is completely sealed, and the cover is completely out of contact, so as to ensure that the sealing surface is not damaged.2, the sealing surface is made of stainless steel, corrosion resistant, high temperature resistant, long service life. With two-way sealing function, medium flow is not affected by the installation restrictions (if only one-way control medium should be used to seal the installation direction) is not affected by a single space, can be installed in the any direction.
Q:I want to what is better a metal valve or tissue valve replacement for someone who is in their 30's?
I've had a couple of patients tell me they could hear their metallic valves in the quiet of the night. It isn't something that would bother you all the time. The anticoagulant needed makes a lot of people choose the pig valve, but the latter will wear out and need replacement periodically. Lewis Grizzard, who died from complications of his fourth valve replacement, wrote a book They Tore Out My Heart and Stomped That Sucker Flat, that was half about his aortic valve and half about his love life, the author having had as many ex-wives as heart valves. It may be difficult to find a copy now, but it's a book you'd enjoy reading, and contemplating it (and him) might help you decide.
Q:Butterfly valve flow direction is single or two-way?
Hello, soft sealing butterfly valve is generally two-way flow, large bore with flow direction is one-way flow. Hard sealed butterfly valves are the same.
Q:What does "C" in D971F-16C DN450 RF mean for electric butterfly valves?
C represents the valve body and the material is cast steel;D stands for butterfly valve; 9 stands for electric; 7 stands for clip type; 1 represents middle line butterfly valve; 16 stands for nominal pressure 1.6Mpa; RF stands for flange joint; in the form of protruding surface.
Q:Can I reuse intake & exhaust valves?
If the valve is burnt there is no longer something you're able to do with it yet replace it. in the event that they simply desire cleansing up you could lap them in with a lapping compound the threat with this is which you would be able to desire to visual exhibit unit which you don't get close to to the sting of the valve, this is once you will finally end up with a burnt valve. The valve should not be flush with the valve seat this is plenty to close and the warmth of combustion could have an more advantageous effect on the textile.
Q:My eletric hot water tank started spraying water out the pressure valve?
If you have replaced the TP valve, more than likely there is a heating element shorted to the tank. This will cause continuous heating and high temp/high pressure...good luck.
Q:What does butterfly valve do?
5, connections are flanged, wafer connections, welded connections and lugs on the clip connection.  Drive in the form of manual, worm gear, electric, pneumatic, hydraulic, electro-hydraulic linkage actuator, can realize remote control and automation.Advantages of butterfly valves1, opening and closing convenient, fast and labor-saving, fluid resistance is small, you can often operate.  2, simple structure, small volume, light weight.  3, to transport slurry, accumulation of fluid in the pipe outlet at least.  4, under low pressure, can achieve a good seal.  5, good regulating performance.Disadvantages of butterfly valve1, use pressure and working temperature range is small.  2, poor sealing.  Butterfly structure can be divided according to the bias plate, vertical plate, inclined plate and lever type. According to the form of sealing can be divided into soft sealing type and hard sealing type of two. The soft sealing type usually adopts rubber ring seal, and the hard sealing type usually adopts metal ring seal.  By connection type can be divided into flange and clamp connections; press can be divided into manual transmission, gear transmission, pneumatic, hydraulic and electric types.
Q:Function of signal butterfly valve in fire sprinkler system
The signal butterfly valve is connected with the fire alarm system to monitor the switch status of the valve, thus effectively preventing misoperation

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