Product Code : VF--ZHCC-ZH66-CU
Nominal diameter DN; 20 - 200
Flow characteristic: Straight line; Straight line; Linear percentage
Model of actuator to be used; ZMA-2 ZMA-3 ZMA-4 ZMA-5
Schedule 10 10 16 25 40 60
Action mode ; Pneumatic open type (B), pneumatic close type (K)
Spring pressure range (KPa) Standard signal: 20 - 100;
Other signals: 40 - 200; 20 - 60; 60 - 10
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I.I. Pneumatic Low-Temperature Double-seat Control Valve - Overview
The ZMAN-16D pneumatic low-temperature double-seat regulating valve is a modified version of the single-seat and double-seat valves.The ZMAN-16D pneumatic low-temperature double-seat regulating valve is a modified version of the single-seat and double-seat valves. The difference from normal temperature is that it adopts a long-neck type upper valve cover, allowing the packing to work at normal temperature. The difference from normal temperature is that it adopts a long-neck type upper valve cover, allowing the packing to work at normal temperature. It is suitable for regulating media (such as liquid oxygen, liquid nitrogen, etc.) under low-temperature conditions of -60 to -250℃. To ensure the regulating accuracy, a positioner must be used.
II. It is suitable for regulating media (such as liquid oxygen, liquid nitrogen, etc.) under low-temperature conditions of -60 to -250℃. Pneumatic Low-Temperature Double-seat Control Valve - Structural Principle To ensure the regulating accuracy, a positioner must be used.
II. Pneumatic Low-Temperature Double-seat Control Valve - Structural Principle
The pneumatic low-temperature system consists of a pneumatic diaphragm actuator and a low-temperature-resistant single or double-seat valve.The pneumatic low-temperature system consists of a pneumatic diaphragm actuator and a low-temperature-resistant single or double-seat valve. The signal pressure from the regulator is input into the air chamber of the pneumatic diaphragm actuator, generating a thrust. The signal pressure from the regulator is input into the air chamber of the pneumatic diaphragm actuator, generating a thrust. This thrust is transmitted to the valve core through the connecting rods, and the change in the position of the valve core causes a change in the flow cross-section of the valve, thereby achieving the regulation of the medium flow rate. This thrust is transmitted to the valve core through the connecting rods, and the change in the position of the valve core causes a change in the flow cross-section of the valve, thereby achieving the regulation of the medium flow rate.
The ZMAN-16D pneumatic low-temperature double-seat regulating valve is a modified version of the single-seat and double-seat valves. The difference from normal temperature is that it adopts a long-neck type upper valve cover, allowing the packing to work at normal temperature. It is suitable for regulating media (such as liquid oxygen, liquid nitrogen, etc.) under low-temperature conditions of -60 to -250℃. To ensure the regulating accuracy, a positioner must be used.
Packing of Standard Packing:
Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 470 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition
