BURKERT先導控制角座閥，187470

兩位兩通角座閥
適用于介質溫度+180℃
• 流量大
• 壽命長
• 螺紋連接和焊接口閥體符合ISO和DIN標準
• 標準供貨有閥座下或閥座上流向
• 可方便地更改回路功能

2000型外部先導控制角座閥由單作用或雙作用活塞執行機構驅動。執行機構有兩種材質，適用于不同的環境溫度。炮銅或不銹鋼兩通閥體，流量大。
可靠的自調整填料密封提供了高密封性。該免維護耐用閥可添加各種附件，從而具有位置指示、行程限位或手動開關等功能。

技術參數 流向閥座下（適用于氣體和液體）
內孔 DN 13 - 65
閥體材質
螺紋連接 炮銅、鑄不銹鋼316L
焊接口 不銹鋼316L
執行機構材質 PA，可按需提供PPS
密封材質 PTFE（可按需提供NBR、FPM和EPDM）
介質 水、酒精、油、燃料、鹽溶液、堿溶液、有機溶劑、蒸汽
粘度 max.600mm2/s
填料密封 帶彈簧補償的PTFE V形環
（帶硅脂）
介質溫度 -10 to+180℃ with PTFE seal
環境溫度
PA 執行機構 -10 to + 60 °C
PPS執行機構
執行機構尺寸Ф40-80 +5 to +140 °C
執行機構尺寸Ф100-125 +5 to +90 °C
安裝 可根據需要安裝，好使執行機構朝上
控制介質 中性氣體、空氣
先導閥壓力
執行機構尺寸Ф40-80 PA and PPS 10 bar
執行機構尺寸Ф100 PA 10 bar
執行機構尺寸Ф100 PPS 7 bar
執行機構尺寸Ф125 PA and PPS 7 bar

BURKERT先導控制角座閥，187470

Ultra–compact Y–pattern valve
3/8 – 3/4 NPT
• High cycle life
• Cost effective ball valve alternative
• High operating safety:
– Maintenance–free spring loaded packing
with intermediate relief and wiper
– Self aligning PTFE seal/plug
• Optical position indication standard
• Cost–savings in operation due to
minimized control air consumption
• Low Lifecycle costs

The pneumatically–operated 2/2–way Y–pattern
valve is operated by an ultra–compact piston
actuator. Despite the small dimensions of the actuator,
high pressure can be switched without problems.
The Y–pattern construction of the body makes
possible extremely high fl ow rates, particularly
in comparison to conventional globe valves. The
proven, self–adjusting and maintenance–free
Burkert packing glands ensure high sealing integrity.

Technical data
Orifi ce 3/8” – 3/4” (DN10–20)
Body material Investment casting 316L or bronze
Actuator material PA, PPS
Plug seal material PTFE (NBR, FKM and EPDM on request)
Media Water, alcohol, oils, fuel, salt solution, alkali solutions,
organic solvents
steam at 150 PSI / 365°F
Viscosity Max. .93 in2/s (600 cSt, 600 mm2/s)
Packing gland PTFE (with silicone grease)
Media presssure 232 PSI (16 bar)
Media temperature1) 14°F to 365°F (-10°C to 185°C) with PTFE seal
Ambient temperature
PA actuator1)
Actuator sizes up to Ø 40
PPS actuator
Actuator sizes Ø 40
14°F to 140°F (-10°C to 60°C)
41°F to 284°F (5°C to 140°C)
Installation As required, preferably with actuator in upright position
Control medium Neutral gases, air
Max. pilot pressure
Actuator size Ø 40 PA and PPS 145 PSI (10 bar)
Applications Systems engineering
Food processing
Chemical process technology
Sterilizers and autoclaves
Benefi ts Available in normally open, normally closed or
double acting confi gurations
Bronze or stainless steel body
High fl ow rate
Body available as option with external thread
Available with several pilot valve options

BURKERT先導控制角座閥，187470

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