Butterfly Valve Without Pin Ductile Iron DN300

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Tianjin
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Min Order Qty:
50 set
Supply Capability:
50000 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:How to calculate the size of the manual butterfly valve?
1. The size of the installation fits only two: the length of the structure and the distance between the flanges.2, butterfly (Manual butterfly) butterfly plate installed in the pipe diameter direction. In the butterfly valve body cylindrical channel, the disc shaped butterfly plate revolves around the axis, the rotation angle is 0 degrees -90 degrees between, when rotates to 90 degrees, the valve opens the card completely. Butterfly valve structure is simple, small size, light weight, only by a few parts. The utility model can be rapidly opened and closed only by rotating 90 DEG, the operation is simple, and the valve has good fluid control characteristics. When the butterfly valve is in the fully open position, the butterfly plate thickness is the only resistance when the medium passes through the valve body, so the pressure drop produced by the valve is very small, so the flow control characteristic is better. Butterfly valve has an elastic seal and metal seal, two types of seals. Resilient sealing valve. The sealing ring can be mounted on the valve body or attached to the periphery of the disc.
Q:What kind of butterfly valve is sd342x?
Sd342x: two-way double eccentric soft sealing butterfly valveS: two way pressureD: butterfly valve3: turbine operation4: flange connection2: double eccentricX: rubber sealProbably the shape is not so good in appearance,Double eccentric mostly elastic sealThree eccentric is multi-layer sealHope to be of help to youOpened valve Co., Ltd. on the production of butterfly valve
Q:Where is the PCV valve?
top of the manifold
Q:What are the major disadvantages of butterfly valves?
Shortcoming:A. operating torque is large, such as larger diameter or high pressure, it needs to be equipped with larger actuators;B. leakage is large, ordinary type is 2%C;C. as the adjustment of some butterfly valve, its rotation angle is limited to 60. Adjustable range is small.
Q:Is a valve adjustment necessary on my vulcan 500 motorcycle?
if the valves are not chattering (WOrse then normal) and you havent lost power or gas milage, then no...dont get it adjusted and no ... your not hurting the bike.
Q:Check valve; flexible joint `; installation order of electric butterfly valve
It is better to make an elastic hanger.In order to prevent the generation of water hammer when the pump stops the damage to the rubber head, should be immediately set rubber head pump outlet, the gate valve and the check valve is not a very convincing reason to decide the order, custom order rubber head, check valve, electric butterfly valve.
Q:What are the uses and classifications of manually operated clip butterfly valves?
Classification: butterfly valves are commonly used on the clip butterfly valve and flange butterfly valve two. The clip type butterfly valve is connected with the two pipe flange with a stud bolt. The flange type butterfly valve is provided with a flange on the valve, and bolts are used to connect the flanges at the ends of the valve to the pipe flange.
Q:What does "D41X-16" mean?
GB case, D is butterfly valve, 4 is flange connection, 1 refers to the midline structure, X is sealed form for three yuan, ethylene propylene rubber seal, and 16 is the pressure of 16 kg.
Q:Does the pneumatic butterfly valve need electricity?
Are pneumatic, and directly rely on gas control, the most important thing is that the gas, then certainly have to take control of electricity!
Q:Model specification for butterfly valves
Butterfly valve type to clip type:D7A1XR-16 50mm-1200mm D7A1XD-16 50mm-1200mm D7A1XN-16 50mm-1200mm D7A1FR-16 50mm-1200mm D7A1FD-16 50mm-1200mm D7A1FN-16 50mm-1200mm 偏心式 :D73F-16 50mm-300mm

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