- Van Điều Khiển Áp Suất UV 1.2
- Model: UV 1.2
- Hãng: MANKENBERG
Kết nối DN: 25 - 200
Áp suất danh nghĩa PN: 16 - 40
Áp suất đầu vào: 2 - 40 bar
Kvs-value: 6 - 125 m³ / h
Nhiệt độ: 300 ° C-
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PRESSURE CONTROL
Back pressure regulators UV 1.2
Valve for simple control tasks
Technical data
Connection DN 25 - 200
Nominal pressure PN 16 - 40
Inlet pressure 2 - 40 bar
Kvs-value 6 - 125 m³/h
Temperature 300 °C
Medium liquids and gases
*RT = -10 °C up to + 50 °C
Description
Self-acting back pressure regulators are simple control valves offering accurate control while being easy to install and maintain. They control the pressure upstream of the valve without requiring pneumatic or electrical control
elements.
The UV 1.2 backpressure regulator is a spring-loaded, seat-controlled proportional control valve balanced by diaphragm, piston or bellow. It is designed for simple control tasks and medium volumes. The valve cone can be
fitted with a metallic or soft seal.
The inlet pressure to be controlled is balanced across the valve seat by the
force of the valve spring (set pressure). If the inlet pressure rises above the
set pressure, the valve opens. With decreasing inlet pressure the valve control orifice reduces. When the pipeline is depressurised, the valve is closed.
Rotating the adjusting screw clockwise increases the inlet pressure.
These valves are no shut-off elements ensuring a tight closing of the valve.
In accordance with DIN EN 60534-4 and/or ANSI FCI 70-2 they may feature
a leakage rate in closed position in compliance with the leakage classes III
or V.
Options
» For toxic or hazardous media: sealed bonnet complete with leakage line
connection (incl. sealed adjusting screw). Must be installed with a leakage line capable of draining leaking medium safely and without pressure
» Various diaphragm and seal materials suitable for your medium
» Special versions on request
Technical specification
| Kvs values [m3/h] | |||||
| seat | nominal diameter | ||||
| 25 | 32 | 40 | 50 | 65 | |
| I | 6 | 12 | 15 | 20 | 35 |
| II | - | 6 | 12 | 15 | 20 |
| III | - | - | 6 | 12 | 15 |
| Kvs values [m3/h] | |||||
| seat | nominal diameter | ||||
| 80 | 100 | 125 | 150 | 200 | |
| I | 40 | 50 | 80 | 95 | 125 |
| II | 35 | 40 | 50 | 80 | 95 |
| III | 20 | 35 | 40 | 50 | 80 |
| Setting ranges [bar] balanced by diaphragm | ||
| 2 - 5 | 4 - 8 | 6 - 12 |
| Setting ranges [bar] balanced by piston | |||||
| 2 - 5 | 4 - 8 | 6 - 12 | 8 - 16 | 10 - 25 | 20 - 35 |
| Setting ranges [bar] balanced by bellow | |||
| 2 - 5 | 4 - 8 | 6 - 12 | 10 - 25 |
| Materials | |||
| Temperatur | 80 °C | 130 °C | 300 °C |
| Body | Cast steel optional stainless steel | ||
| Bonnet | Steel welded optional stainless steel | ||
| Spring | Spring steel optional stainless steel | ||
| Metallic seal | Chromium steel optional stainless steel | ||
| Soft seal | NBR | EPDM optional FKM |
- |
| Diaphragm | CR | EPDM optional FKM |
- |
| O-ring | NBR | EPDM optional FKM oder FXM |
- |
| Bellow | Stainless steel | Stainless steel | Stainless steel |
