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Electronically controlled temperature control valve

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Electronically controlled temperature control valve

  • Category:Regulating valve

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  • Data:2015/03/12
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ZZWPE electronically controlled temperature control valve Features

This series of products nominal diameter from 20 to 200mm, nominal pressure has 1.0,1.6,4.0,6.4MPa, temperature range from -20 ℃ ~ 350 ℃, the signal is 0 ~ 10mA.DC accept or 4 ~ 20mA.DC to change medium flow is adjusted so that the controlled process parameters maintained at a given value, which is suitable for single-seat control pressure is small, medium viscosity or slightly larger particle impurities occasions. Sleeve pressure regulator is suitable for larger occasions

Main parts and materials

Body, bonnet: HT200, ZG230-450, ZG1Cr18Ni9Ti

Spool: ZG1Cr18Ni9Ti, Stellite alloy welding reinforced PTFE

Packing: PTFE, flexible graphite

Putter, bushing: 2Cr13

Gasket: rubber asbestos, 10,1Cr18Ni9Ti asbestos spiral wound gasket

Bellows: 1Cr18Ni9Ti

Four, ZZWPE Self-regulating valve technical parameters

Nominal pressure PN (MPa): 1.0 / 1.6 / 4.0 / 6.4

Inherent flow characteristics: linear, equal percentage

Inherent adjustable ratio: 50

Allowable leakage

Single-seat hard seal: IV grade soft sealing: VI Class

Hard sealing sleeve: II Class Soft Seal: VI Class

Working temperature t (℃): - 20 ~ 200 / -40 ~ 250 / -40 ~ 450 / -60 ~ 450

Signal range (mA.DC): 0 ~ 10/4 ~ 20

Role: electric-close / electric open

Ambient Temperature (℃)

Electric control valve: -20 ~ 70 ℃

Operating Humidity

Electric control valve: ≤95%

Supply voltage 220V 50Hz

Five, ZZWPE Self-regulating valve performance

A basic error (%): ± 2.5

2 hysteresis (%): 2.0

3 Dead (%): 3.0

4 Rated stroke deviation (%): + 2.5

5 rated flow coefficient deviation (%): ± 10

6 inherent flow characteristics: meet the slope deviation IEC534-1, GB / T4213-92 stipulated

Six, ZZWPE Self-regulating valve connection standard

Connecting dimensions and standards

Flange Standard: cast iron flanges according to GB4216-84, cast iron flanges according to GB9113-88

Flange sealing surface type: PN10, PN16 convex, PN40, PN64 for the convex surface, a concave body

Structure Length: GB12221-89

Jacket insulation type jacket heat carrier interface: Butt φ18 × 4

Flanges and flanged body distances can be manufactured using standard specified. Such as ANSI, JIS, DIN and other standards

Related tags:Waterdistributionvalve

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