the valve model establishment/representation:

valve model should normally said valve drive mode, connection type, form, structure features, nominal pressure, sealing materials, elements such as body material.

a unit: valve type code:

type butterfly Industrial Valves gate valve check valve filter feeding valve code DQZHJGLFL

2 unit: driving mode code:

electromagnetic dynamic electromagnetic transmission ways Hydraulic power - Hydraulic worm gear is gear bevel gear pneumatic liquid gas - Hydraulic electric handle the handwheel code 0123456789 there is no code

three units: connection code:

two different connection female external thread connecting flange welding clamp to the clamp ferrule code 12346789

4 units: structure code:

butterfly valve structure form code

structure form code structure code seal type single eccentric 0 non-sealed type 5 center vertical plate 1 single eccentric vertical plate 6 double eccentric 2 double eccentric 7 triple eccentric 3 triple eccentric 8 linkage four bar linkage 9

a gate structure code:

structure code stem lift wedge type gate flexible disc 0 ( Rising stem) Rigid disc single ram 1 double ram 2 parallel type ram disc 3 double ram 4 stem not lift ( Non-rising stem) Wedge gate single ram 5 6 parallel type double ram ram disc 7 double ram 8

ball Industrial Valves structure code:

structure code structure code floating ball straight port 1 fixed straight flow channel 7 y tee port 2 cross flow channel 6 l tee flow channel 4 port 8 t t tee tee port 5 l tee flow channel 9 & ndash; — Hemisphere through 0

check valve structure code:

structure code structure code elevating disc through port 1 swing disc single structure more than four vertical structure 2 disc structure 5 Angle type passage 3 double disc structure 6 & ndash; — — Butterfly check Industrial Valves type 7 5 unit: sealing material code: material babbitt lining 18 - nitriding steel 8 series stainless steel fluorine plastic glass Cr13 stainless steel lining plastic monel alloy code BCDEFGHJM material nylon plastic monel lead-lined Mo2Ti stainless steel plastic rubber hard alloy of copper alloy body directly processing code NPQRSTXYW

six modules: nominal pressure numerical value directly with the Arabic numeral, said it was 10 times higher than the MPa.

seven units: the valve body material code:

titanium and titanium alloy steel body material Cr13 stainless steel chrome molybdenum steel malleable iron alloy code ACHIKL Mo2Ti ductile iron body material is stainless steel plastic 18 - copper and copper alloy 8 series stainless steel gray cast iron code QRSTPZ

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