- Van Điều Khiển Áp Suất UV 1.8
- Model: UV 1.8
- Hãng: MANKENBERG
Kết nối DN: 25 - 100
Kết nối G: 1 - 2
Áp suất danh nghĩa PN: 25/16
Áp suất đầu vào: 2-20 bar
Kvs-value: 6 - 50 m³ / h
Nhiệt độ: 200 ° C-
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PRESSURE CONTROL
Back pressure regulators UV 1.8
Valve for medium and large flow rates
Technical data
Connection DN 25 - 100
Connection G 1 - 2
Nominal pressure PN 25 / 16
Inlet pressure 2 - 20 bar
Kvs-value 6 - 50 m³/h
Temperature 200 °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 1.8 backpressure regulator is a spring-loaded, seat-controlled proportional control valve balanced by diaphragm or piston. It is designed for
hygienic applications and medium volumes of high-viscosity media.The
valve cone can be fitted with a metallic or soft seal.
This valve is manufactured from deep-drawn stainless steel featuring excellent corrosion resistance. It contains virtually no dead pockets and is suitable
for use in CIP and SIP systems. The angled design allows complete draining.
The spring module comprising bonnet, spring, adjusting screw, diaphragm
and internal components, is connected to the valve body only by means of a
clamp ring and two bolts. Changing the diaphragm or the complete spring
assembly for a different control pressure range is extremely simple and does
not call for special tools. The same applies to servicing and maintenance.
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
» Polished version for food, pharmaceutical and superclean applications,
surface roughness Ra ≤ 0,25 oder 0,4 oder 0,8 µm
» 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 connections: Aseptic, ANSI or DIN flanges, welding spigots;
other connections on request
» Special versions on request
Technical specification
| Kvs values [m3/h] | |||||||
| seat | nominal diameter DN | ||||||
| 25 | 32 | 40 | 50 | 65 | 80 | 100 | |
| I | 6 | 6 | 6 | 12 | 15 | 20 | 35 |
| II | - | 12 | 12 | 15 | 20 | 35 | 40 |
| III | - | - | 15 | 20 | 35 | 40 | 5 |
| Setting ranges [bar], nominal pressure, balanced by diaphragm | |||
| setting range | bar | 2 - 5 | 4 - 10 |
| nominal pressure | PN | 10 | 16 |
| Setting ranges [bar], nominal pressure, balanced by piston | |||||
| setting range | bar | 2 - 5 | 4 - 10 | 8 - 16 | 14 - 20 |
| nominal pressure | PN | 10 | 16 | 16 | 25 |
| Materials | |||
| Temperature | 80 °C | 130 °C | 200 °C |
| Body | Stainless steel | Stainless steel | Stainless steel |
| Bonnet | Steel welded optional stainless steel | ||
| Spring | Spring steel optional stainless steel | ||
| Soft seal | NBR | EPDM optional FKM |
- |
| Metallic seal | Stainless steel | Stainless steel | Stainless steel |
| Membrane | CR | EPDM optional FKM |
- |
| O-ring | NBR | EPDM optional FKM |
| Dimensions [mm] | |||||||
| size | nominal diameter DN | ||||||
| 25 | 32 | 40 | 50 | 65 | 80 | 100 | |
| A1* | 100 | 105 | 115 | 125 | 145 | 155 | 175 |
| B | 100 | 105 | 115 | 125 | 145 | 155 | 175 |
| C | on request | ||||||
| øD |
| Dimensions [mm] | ||||
| size | nominal diameter G | |||
| 1 | 1 1/4 | 1 1/2 | 2 | |
| A1* | 80 | 80 | 80 | 80 |
| B | 80 | 80 | 80 | 80 |
| C | on request | |||
| øD |
*overall length tolerances in acc. with DIN EN 558
| Weights [kg] | ||||||||
| nominal diameter | DN | 25 | 32 | 40 | 50 | 65 | 80 | 100 |
| weight | kg | 10.2 | 11.5 | 12 | 13.5 | 14 | 14.7 | 15.6 |
| Weights [kg] | |||||
| nominal diameter | G | 1 | 1 1/4 | 1 1/2 | 2 |
| weight | kg | 10.2 | 11.5 | 12 | 13.5 |
| Customs tariff number |
| 84814010 |
