Adjust the pneumatic valve plant such as pneumatic valve model establishment method

with pneumatic valve type code pinyin said
pneumatic valve type brake pneumatic valve by pneumatic valve throttle valve with pneumatic valve check valve water gauge ( Balance container) Security hydrophobic pneumatic valve and pressure relief valve pneumatic valves regulate the pneumatic valve feed distribution with
number generation Z J L D A Y S T H B F
the transmission way code expressed with Arabic numerals
electromagnetic dynamic electromagnetic transmission ways Hydraulic power - Hydraulic garden bevel gear worm gear is gear pneumatic hydraulic gas Hydraulic number generation electric

note ( ） The handwheel, handle and plate hand drive pneumatic pneumatic valve, relief valve and safety valve, pneumatic valve hydrophobic omit code transmission way.
( ） For pneumatic or hydraulic, often open in K, K, often closed with B, B, said pneumatic appliance with use S, explosion-proof electrical use B. Outdoor heat in R.
connection form code expressed with Arabic numerals
internal thread connection form external thread flange welding
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注：焊接连接包括对焊和承插焊
结构形式代号用阿拉伯数字表示
闸气动阀结构形式 明杆楔式 明杆平行式 暗杆
弹性闸板 刚性单闸板 刚性单闸板 刚性单闸板 刚性双闸板 刚性单闸板 刚性双闸板
代号
　
截止气动阀和节流气动阀结构形式 直通式 角式 直流式 平衡直通式 平衡角式 三通式
代号
　
蝶气动阀结构形式 杠杆式 垂直板式 斜板式
代号
　
疏水气动阀结构形式 浮球式 钟型浮子式 脉冲式 园盘式
代号
　
止回气动阀结构形式 升 降 旋 启
直通式 立式 单瓣式 多瓣式 双瓣式
代号
　
减压气动阀结构形式 薄膜式 弹簧薄膜式 活塞式 波纹管式 杠杆式
代号
　
注：杠杆式安全气动阀在类型代号前加汉语拼音“G”字母表示 安全气动阀结构形式 代号
弹簧 封闭 带散热片 全启式
微启式
全启式
全启式
不封闭 双弹簧微启式
微启式
全启式
带控制机构 全启式
先导式
杠杆 单杠杆 全启式
角形微启式
双杠杆 全启式
　
调节气动阀结构形式 代号
回转 套筒式
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lifting single drop sleeve Z
-
- - - -

needle pneumatic valve plunger
gate type

multistage sleeve type plunger type Z
-

feed distribution pneumatic valve structure code


plunger


rotary


the general formula



water level gauge structure code

balance container on mica plate plate

glass broken glass tube optical refraction type double color


low reading of optical TV type a light liquid glass plate

glass tube type
pneumatic valve seat sealing surface or lining material code in Chinese pinyin letters
pneumatic valve seat sealing surface or lining material code pneumatic valve seat sealing surface or lining material code
N nylon plastic alloy acid or stainless steel H
boriding steel nitriding steel D P
rubber hard alloy steel Y X
note: processed directly by the pneumatic valve pneumatic valve seat sealing surface material code expressed with 'W', when the pneumatic seat and disc ( Ram) Sealing material is not at the same time, use low hardness material symbol said.

nominal pressure numerical
JB - in Arabic numerals Adopted by the unit of measurement for legal units are 'MPa', such as the PN is the original Pgkgf/cm. If the working temperature for degrees; Working pressure for the MPa, the tagging method for 'PwV'. Including the meaning of 'W' for the temperature.
pneumatic valve body material code in Chinese pinyin letters
pneumatic valve body material code pneumatic valve body material code
grey cast iron chromium molybdenum alloy steel H I Q
nodular cast iron chromium nickel titanium steel P
carbon steel chrome vanadium molybdenum alloy steel V C
note: PN is less than or equal to zero. MPa of grey cast iron of pneumatic valves and PN is greater than or equal to the MPa carbon steel, pneumatic valve body omit this code.