Ductile Iron Check Valve DN1400 Quality Guarantee China

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
200 set
Supply Capability:
4000 set/month

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Product Description:

Technical Date

Material Specification

Nominal Diameter

DN40-DN1000

Valve Body

Cast Iron or Ductile Iron

Nominal Pressure

PN10/PN16

Valve Disc



Cast Iron or Ductile Iron or Stainless Steel

Operation Temperature

-40°C~225°C

Flange Driling Standard

EN 1902-2 PN10/16

Seal Material

EPDM OR NBR

Suface Treatment

Painting

Valve Spring

Stainless Steel

 

Quick Details

Standard or Nonstandard:

OEM

Structure:

Check

Pressure:

High Pressure, Low & high pressure

Power:

Manual

Material:

Casting, Ductile iron

Temperature of Media:

Medium Temperature

Media:

Water

Port Size:

2"-48"

Place of Origin:

Shanxi, China (Mainland)

Model Number:

WINDUS-BV-160409416

Brand Name:

WINDUS

Application:

General, Industry & Metropolis water treatment

Product name:

API 594 Cast Iron Double Door Wafer Check Valve

Dimension Range:

3"~48"

Certification:

UL, NSF61

Testing equipment:

Hydrolic testing machinging

Process:

Sand casting, machining, rubber lining

Port:

Tianjing, qingdao, Dalian,Shanghai

Place of Origin::

Shanxi, China (Mainland)

Packaging & Delivery

Packaging Details:Plywooden case, metal pallet, iron frame

 

API 594 Cast Iron Double Door Wafer Check Valve

 

TypeAPI 594 Cast Iron Double Door Wafer Check Valve
MaterialBody: gray iron ASTM A126 class B, ductile iron (optional) ASTM A536 grade 65-45-12 
Disc:Stainless steel, AL Bronze alloy, ductile iron
Seat: EPDM, buna-N
Main ProcessResin sand casting
Surface finishEpoxy paint
Heat treatmentNONE
Weight Range10~200 kg
Dimension Range2"~48"
ApplicationIndustry & Metropolis water treatment
CertificationUL, NSF61
Packing Detailplywood box
Delivery time30 days after order
EquipmentNC Lathing machine, NC Boring machine, Drilling machine 
Testing equipmentHydrolic testing machinging 
Inspectionhydro test, shell test, seal test
Production capacity10/60/100
MarketUS 
MOQ1
PortTianJing,qingdao,shanghai,beijing

 

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Q:Which type of check valve should be selected for vertical pipes?
The check valve on the vertical pipeline shall ensure that the spool goes back to its position when the fluid is stationary and reversed.Optional:Butterfly check valves, pipes of low pressureVertical lift check valve, high pressure resistance, good tightnessSwing check valve: flow must be from the next up, the pipe diameter is unlimited
Q:Check valve symbols?
Check valve refers to rely on the flow of the media itself and automatically open and close the valve flap, used to prevent media backflow valve, also known as check valve, one-way valve, counter flow valve, and back pressure valve. The check valve belongs to an automatic valve, whose main function is to prevent the backflow of medium, prevent the reverse of pump and drive motor, and release the container medium.The opening and closing parts depend on the flow of the medium and the power is turned on or off by itself.
Q:The working principle of the vacuum check valve
A vacuum check valve is a valve that automatically prevents fluid from flowing back. The disc of the check valve is opened under the action of fluid pressure, and the fluid flows from the inlet side to the outlet side. When the inlet side pressure is lower than the exit side, the valve automatically closes under the influence of fluid pressure, gravity and other factors to prevent fluid flow backwards.Vacuum check valve according to the structure, can be divided into lifting check valve, swing check valve and butterfly check valve three.
Q:Check valve note BC/PISTON: SPR-L what does that mean?
BC==Bolted Cover/ bolted bonnetPISTON== lifting typeSPR-L==Spring-loaded/ is loaded with springsTogether, it is: a spring-loaded check valve. Bolted bonnet (this is common)
Q:What is the difference between the silent check valve and the silent check valve?
It can be installed horizontally or vertically. The valve is loaded by spring, and its quick closing can effectively eliminate the water hammer. It has good sealing performance and no noise.
Q:Fire hood fire check valve okay?
Lampblack machine flue check valve is generally installed in the hood outlet check valve, the valve has two blades, a reset spring, exhaust hood leaf was blown open, lampblack machine stop when the blade is spring pressed into the closed state, now is basically take lampblack machine the check valve check valve, but the general tightness is not very good, open the hood can be seen around the gap.
Q:What kind of check valve is used to prevent the return water?
The problem can't be solved: if you change the pipe, you'll have a vertical check valve
Q:What is the material of H41W-16's check valve?
Both cast iron and stainless steel are possible
Q:What is the difference between globe and check valves?
1. check valve is called one-way valve, the role is to prevent fluid flow, can not be adjusted, can not be closed.2., the cut-off valve can be used to regulate flow, can be closed, can be closed.
Q:Can the slow stop disc check valve close quickly?
At this point, the valve will automatically close under the influence of the spring and the medium return. However, as the piston rod is in an extended position, the valve can not be closed all the way, and there is about 20% of the area left to make the medium pass, so as to eliminate the water hammer. The disc is divided into two parts by the piston, which is fast, slow and slow. It can not only prevent the motor from reversing, but also eliminate the mute effect.

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