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XAN Pneumatic Thin Film Double Seat Regulating Valve
The XAN pneumatic diaphragm dual seat regulating valve consists of a pneumatic diaphragm multi spring actuator and a dual guide dual seat valve. Main
Product details
1、 Overview
The XAN pneumatic diaphragm dual seat regulating valve consists of a pneumatic diaphragm multi spring actuator and a dual guide dual seat valve. Main features:
1. The upper and lower dual directional dual seat valves have a higher flow coefficient than single seat valves.
2. The uneven clamping force of the two valve cores is basically offset, so the pressure resistance ability is stronger than that of a single seat valve.
3. The valve seat is fixed with threads, with a simple structure and easy cone repair.
The pneumatic thin film multi spring actuator used has a large output force. The compact structure and low price of the entire product make it suitable for automatic control systems with high flow coefficients and low leakage requirements.
2： Model and specifications
| Upper valve cover form | model | Temperature range for use (C °) | Specification (nominal diameter) |
| Standard type | XAN-16,40,64BK | Carbon steel valve body:- 29-250； Stainless steel valve body:- 40-250 |
DN25-DN300 |
| Hot plate type | XAN-16,40,64BKG | Carbon steel valve body:- 29-420； Stainless steel valve body:- 45-420 |
Model and specification preparation instructions
3、 Main technical parameters
| Nominal diameter DN (mm) | Rated flow coefficient K | Rated stroke (mm) | Nominal pressure PN (MPa) |
Traffic characteristics | action | Medium temperature range (C °) | Upper valve cover form | Inherent adjustable ratio R | Connection form |
| 25 | 10 | 16 |
1.6 4.0 6.4 |
Straight line: Equal percentage |
Pneumatic opening; Airtight type; |
Carbon steel valve body:- 29-420； Stainless steel valve body -45-420 |
Standard type: Hot plate type: |
30：1 |
Flange type: According to JB79-94 standard; HG20592； hg20615; ANSI B16.5; Or according to user requirements |
| 32 | 16 | ||||||||
| 40 | 25 | 25 | |||||||
| 50 | 40 | ||||||||
| 65 | 63 | 40 | |||||||
| 80 | 100 | ||||||||
| 100 | 160 | ||||||||
| 125 | 250 | 60 | |||||||
| 150 | 400 | ||||||||
| 200 | 630 | ||||||||
| 250 | 1000 | 100 | |||||||
| 300 | 1600 |
Other technical parameter indicators,Download and view
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