First, product [self-reliant electric control temperature control valve] details:

Product model: GH-ZZWPE

Product name: GH- self - controlled temperature control valve

Product features: Oudeba self-controlled temperature control valve (suitable for large caliber and heat conduction oil control), the characteristics of the valve is only ordinary 220V power supply, the use of the medium to be adjusted their own energy, directly on the steam, hot gas, hot oil and gas medium temperature control automatically. Can also be used to prevent overheating or heat exchange occasions, the valve structure is simple, easy to operate, choose a wide range of temperature regulation, response time, reliable sealing performance, and can be adjusted at will in operation, so widely used in chemical, petroleum, food, textile, hotels and restaurants and other departments of hot water supply. Product features: This series of products nominal diameter from 20 to 200mm, nominal pressure 1.0, 1.6, 2.5. 4.0, 6.4MPa, the use of temperature range from -20℃~350℃, the receiving signal is 0~10mA.DC or 4~20mA.DC to change the flow rate of the regulated medium, so that the controlled process parameters remain in the given value, which single-seat regulator is suitable for small pressure difference, medium viscosity or slightly granular impurities. Sleeve regulating type is suitable for large pressure difference.

Two, parts and materials:

Valve body, bonnet: HT200, ZG230-450, ZG1Cr18Ni9Ti

Spool: ZG1Cr18Ni9Ti, Stellai alloy surfacing reinforced PTFE

Packing: polytetrafluoroethylene, flexible graphite

Push rod and bushing: 2Cr13

Gasket: rubber asbestos board, 10, 1Cr18Ni9Ti asbestos winding gasket

Bellows: 1Cr18Ni9Ti

Iii. Connection size and standard:

Flange standard: Cast iron flange according to GB4216-84, cast iron flange according to GB9113-88

Flange sealing surface type: PN10, PN16 convex surface

PN40 and PN64 are concave and convex surface, and the valve body is concave

Structure length: GB12221-89

Jacket insulation type jacket carrying hot body interface: butt welding φ 18× 4

Valve body flange and flange face distance can be manufactured to specified standard. Such as ANSI, JIS, DIN and other standards

bZZW self-reliant temperature control valve without external energy, using the medium to achieve automatic temperature regulation of the actuator product. Nominal pressure PN16, 40, 64; Temperature adjustment range from 0 to 270℃; Temperature controller connector is G1 external thread; Flange standard: PN16, 40 according to BG9113-8; PN64 press JB79.2-94; PN16 is a convex flange; PN40, 64 are concave and convex flange, the valve body is concave. The structure length is in accordance with GB12221-89 standard.

Self - operated temperature regulating valve structure variety, ZZWP, ZZWM single seat, sleeve regulating valve.

There are two options for heating regulation (type B) and cooling regulation (type K).

A wide range of temperature setting, easy to adjust.

With over temperature overload protection measures, safe and reliable.

Temperature setting is convenient and can be set continuously during operation.

Iv. Installation matters:

Installation, use and maintenance:

(1) Before installation, the pipe should be strictly decontamination, and the welding slag and other sundries should be blown away, otherwise the valve will be seriously damaged.

(2) The temperature control valve should be installed vertically on the horizontal pipe, the medium flow direction should be consistent with the arrow on the valve body.

(3) In order to make the automatic control system or maintenance valve can still run continuously, should set the bypass valve, the valve must be installed before the filter, pressure gauge, in the sensor near the installation of temperature gauge, convenient field monitoring and temperature setting. See the picture below:

(4) The sensor shall be fully immersed in the controlled medium and installed horizontally or at an upward tilt.