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$50.00 - 1,000.00 / pc
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Product Description:

Quick Details

Standard or Nonstandard:  Standard

Structure:  Buttefly

Pressure:  Medium Pressure

Power:  Manual

Material:  Ductile Iron

Temperature of Media:  Medium Temperature

Media:  Water

Size:  DN40mm-DN1200

Place of Origin:  China (Mainland)

Packaging & Delivery

Packaging Detail: air plastic bag inside/wooden box outside

Delivery Detail: 15-60days

1.Simple and compact construction. Small in size and light in weight. Easy transportation, installation and maintenance.
2. Quick 90 degrees on-off operation. Minimized operating torque ,energy saving.
3. Excellent sealing performance with no leakage. Long service life.

4. Wide selection of materials ,applicable for various media..
5. Flow curve tending to straight line. Excellent regulation performance.

Ductile iron /WCB Lug Type Full PTFE Lined Butterfly Valve

Body material

CI, DI, Grey Iron ,WCB ,SS, ALB, Carbon Steel, Brass


Carbon Steel, Stainless Steel


CI, DI, Carbon Steel, Stainless Steel,SS304 / SS316 / WCB / Al-Bronze / Duplex Stainless Steel, ALB, monel


EPDM, PTFE, NBR, Viton, Buna, Hypalon, Neoprene


SS410 / SS304 / SS316 / SS416 / SS420 / Monel


EPDM, Buna, Hypalon, Viton, Neoprene,rubber




API, ASTM, ANSI , DIN, BS, JIS ,ISO approved


ISO 9000, CE

Face to Face

ISO 5752, API 609, BS 5155, DIN 3202

Suitable medium

water, waste water, sea water, gas, oil, etc



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Q:What is the difference between the installation and function of a butterfly valve and butterfly valve?
The principle of the valve gate valve is open and close cases, RAM direction of motion perpendicular to the direction of the fluid, valve can only be fully open and fully closed, can not be adjusted and the throttle. Gate has two sealing surface, the most commonly used mode gate valve of the two sealing surface forming wedge, wedge angle with valve parameters vary, usually 50, medium temperature is not high when 2 degrees 52. Wedge gate valve can be made into a whole, called the rigid gate; can also be made to produce micro deformation of ram, in order to improve its process of deviation, make up the sealing surface angle in the process, the gate is called the flexible gate. Valve closed, the sealing surface can only rely on medium pressure to seal, that is to rely on medium pressure to the gate sealing surface pressure to the other side of the seat to ensure the sealing surface seal, which is self sealing. Most of the valve is forced seal, that is, when the valve closes, to rely on external force to force the gate to the seat, in order to ensure the sealing surface sealing. Gate valve with the stem along with a straight line of motion, called the lift rod gate valve is also known as the bar gate valve. Usually there is a trapezoidal thread on the lifter. The rotating motion is changed into a straight line through the nut at the top of the valve and the guide groove on the valve body. That is to say, the operating torque is changed into the operating thrust. When opening the valve, when the gate lift height is equal to 1:1 times of the valve path, the passage of the fluid is completely unblocked, but at run time, this position is unable to monitor. In actual use, the top of the stem is used as a sign, i.e., the open position, as its fully open position.Temperature changes appear to consider locking phenomenon, usually open to the vertex position, and then rewind 1/2 1 circle, as a fully open valve position.
Q:Does the wet alarm valve group need to install the signal butterfly valve?
Wet alarm valve at the front of the signal butterfly valve with the main floor of the main role of the butterfly valve, first, maintenance, and two is the prompt sprinkler system, there is a signal butterfly valve closed, should be repaired as soon as possible.
Q:What does the triplex of pneumatic butterfly valve mean?
Upstairs is quite right, but now seems to use very little oil mist, and now generally referred to as "triple parts" as if: filter pressure reducing valve, solenoid valve, with the valve position feedback switch.
Q:Which is better, the round two lobe butterfly valve?
The company has advanced sheet metal CNC processing line, strong technical force and strong production capacity. At present, the main products are: air outlet, air valve, muffler, fire damper, static pressure box, wind box, etc.. Especially round type double butterfly butterfly valve has obvious advantages.
Q:Can the inlet and outlet of butterfly valve be reversed? Why? What will happen if the reverse gear is installed?
Hard seal butterfly valve in any case, the reverse loading will cause tight seal.
Q:Butterfly valve model D373F-16C, ask God answers
D butterfly valve, 3 turbo rotating, 7 pairs clip type, 3 eccentric F PTFE seal, 16 nominal pressure 1.6MPA, C valve body material, carbon steel
Q:Butterfly valve switch direction respectively?
First, if the butterfly valve has been installed on the pipe, you can first see the mark on the handwheel. Second, there is a switch indicator on the general worm gear.
Q:Especially butterfly valve
Butterfly valve headstock is a disc shaped disc, in the valve body around its own axis rotation, so as to achieve the opening or closing or adjustment; actuators have electric or pneumatic, and so on, through the transmission device to drive the stem, valve plate rotation;
Q:toyota mechanic valve adj 1.8l?
valve adjustment . you need to know the fire order. the gage between the stem. rotators the cranshaft. it could be cold start. cylinder need to be bottomed center.
Q:Types of butterfly valves
There are clip on butterfly valves and flanged butterfly valves,Manual, pneumatic, electric,

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