DCI Lift Check Valve for Drinking Water

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Product Description:

Specifications

Good quality and performance,cost-effective,ligher and smaller in comparison to a conventional swing check valve or lift check

Technical Data

DN40-DN600mm PN1.0-1.6MPa

Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel

Seat: EPDM, NBR,Stainless Steel

Stem: Stainless Steel

Disc: Ductile Iron with Nickel Coating,Ductile Iron with Nylon Coating, Stainless Stee 304/316l, Alu-Bronze

Spring:Stainless Steel

Flange Connection:DIN,ANSI,BS,JIS,UNIVERSAL FLANGE

Product Features

Wafer body style fit between FF or RF flanges

Upper and lower PTFE thrust washers

Resilient Buna-N or EPDM Seat

Dual plate valves give maximum strength with minimum opening time

Torsion springs assist valve closure, preventing flow reversal

Thrust washer reduce friction and wear of valve plate hinges.

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Q:What is the price of the basin faucet?
304 stainless steel to do the price of copper with almost the same. Zinc alloy to do a lot cheaper, dozens of pieces have, with a period of time will be off the skin.
Q:A faucet is filling a hemispherical basin?
Equation of the hemispherical surface x² + y² + z² = R², (-R z 0) The volume of water in the basin with the height h: . . . (-R+h) V = ∫ π(x² + y²) dz . . . -R . . . (h-R) V = π ∫ (R² + z²) dz . . . -R V = πR²[(h - R) - (-R)] + (π/3)[(h - R)³ - (-R)³] V = πR²h + (π/3)(h³ - 3h²R + 3hR² - R³ + R³) V = πR²h + (π/3)(h³ - 3h²R + 3hR²) dV/dh = πR² + (π/3)(3h² - 6hR + 3R²) dV/dh = πR² + π(h² - 2Rh + R²) dV/dh = π(h² - 2Rh + 2R²) dV/dh = (dV/dt)/(dh/dt) dh/dt = (dV/dt)/(dV/dh) dh/dt = (dV/dt)/π(h² - 2Rh + 2R²) There is an ambiguity when you say HALF full. It can be interpreted as the water was filled up to half its maximum height (R) or filled up to half the volume of the basin (2πR³/3) I will take the case in which the water was filled up to half its maximum height: h = R/2 dh/dt = (dV/dt)/π(R²/4 - 2R*R/2 + 2R²) dh/dt = (dV/dt)/π(R²/4 - R² + 2R²) dh/dt = 4(dV/dt)/5πR² Plugging in dV/dt = 2000 cm³/min R = 30 cm dh/dt = 4*2000/4500π dh/dt = 16/9π cm/min. dh/dt ≈ 0.57 cm/min.
Q:My faucet on the opening of the sudden water spray, how to do? The The
The spool is loose. The bubbler is also problematic. Stare at the Chi-ching chic plating monk touch Kyrgyzstan to pick a good leader to use it. SENTO first stainless steel faucet is very good. No quality to say ah. You can go and have a look
Q:Gas water heater, wash basin does not open hot water shower no hot water, how is it?
It is your shower too little water, the water pressure is too low, and gas water heater must meet a certain degree of water pressure to fight the fire. You also open the shower and wash the pool of hot water, water, So there is hot water.
Q:Wash basin faucet how to change the hose
The faucet is the popular title of the water valve, used to control the size of the water switch, there is water saving effect. The replacement of the faucet is very fast, from the development of old cast iron to the electroplating knob, and the development of stainless steel single temperature single control faucet, stainless steel dual temperature dual control faucet, kitchen semi-automatic faucet. Now, more and more consumers to buy taps, will be from the material, function, modeling and other aspects to consider
Q:Kitchen faucet handle rotation a bit tight how to solve
Kitchen faucet handle rotation tightening method: This situation is generally caused by the handle below the cover loose, with the handle and the middle of the outlet pipe can be tightened clockwise. If it is tighten the cover can not stop the water, it should be sealed or spool wear, usually need to dismantle the new. Under the table under the leading installation bolts (or large nuts), from the next look to know how to disassemble. But before the demolition of the first turn off the valve or the main valve.
Q:Want to wash your hair in the basin, but the leader is too low, how to do it?
The first is for a suitable faucet, the second is the basin with water washing, the third is directly washed with a shower, the fourth is simply go outside to wash! Suggest the first method
Q:Haier overall kitchen faucet brand
With the world's top brands are leading and basin
Q:Faucet away from the Taiwan side too close how to do?
Should change a high one
Q:Gas water heater, kitchen faucet normal hot water
Machine reason: If your home water heater is old-fashioned water vapor linkage valve start device. Is the water heater mixing valve in the rubber diaphragm (black rubber round disc objects) aging or damage, resulting in low water pressure start machine or even impossible to use. For a piece of the first test II OKorder Gui Gui sneer with Dan anchor to see! Shower reasons: If the machine is no problem, then unscrew the nozzle directly from the hose to try hot water, if you can start the machine and mixed cold water is no problem, then the shower nozzle is too small water. Still not the words and then remove the hose test to see if the diameter of the hose is too small caused by the problem. One by one!

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