Customization: | Available |
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Media: | Water |
Temperature: | High Temperature |
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Pneumatic pressure control valve is the most important actuator product in. production process control system. This series product ZJHP type pneumatic small type single-seat control valve and ZJHM type pneumatic small sleeve valve is one of the universal product available for users to choose, it is suitable for various fluid media and process conditions of the process control system.
Items | Indicator | Items | Indicator | |||||
Basic Error % | Without positioner | ±5.0 | Starting point and end point Deviation % |
air to close | Without positioner | starting point | ±5.0 | |
With positioner | ±1.0 | With positioner | starting point | ±1.0 | ||||
end point | ±1.0 | |||||||
Return difference % | Without positioner | 3.0 | air to open | Without positioner | starting point | ±2.5 | ||
end point | ±5.0 | |||||||
With positioner | 1.0 | With positioner | starting point | ±1.0 | ||||
end point | ±1.0 | |||||||
Dead zone % | Without positioner | 3.0 | Allowable leakage L/h |
Single seat type | 1×10 -4 ×valve rated capacity | |||
With positioner | 0.4 | |||||||
rated stroke deviation % | ±2.5 | Sleeve type | 1×10 -3 ×valve rated capacity | |||||
Rated flow coefficient % | ±10 | |||||||
Inherent flow characteristic % | Slope ±30 |