Ht7100 নতুন কোণ টাইপ উচ্চ চাপ নিয়ন্ত্রণ ভালভ

Parameter

Value

Valve Form

Angle type high pressure structure

Nominal Diameter

DN6-DN200mm

Pressure Level

ANSI Class 900, 1500, 2500; Or JB/T79-94 PN22Mpa, PN32Mpa

Flow Characteristics

Straight line, equal percentage

Adjustable Ratio

30:1

Allowable Pressure Difference

Greater than actual working pressure difference

Upper Valve Cover Form

Standard type: -20℃ to 230℃

Type with heat sink: -45℃ to 20℃, 230℃ to 575℃

Functional Form

Air open type, air closed type, electric open type, electric closed type

Performance Index

Valve seat allowable leakage rate: V level

Hysteresis

With positioner, less than 1% of full stroke

Basic Error

With positioner, less than ±2% of full stroke

Dead Zone

With positioner, less than 1% of full stroke

Actuator

Pneumatic, electric, electronic, intelligent actuator

Pneumatic Piston Type

Air source pressure: 0.3-0.7Mpa

Given pressure: 0.1-0.2Mpa

Allowable temperature: -10℃

Pneumatic Membrane Type

Air source pressure: 0.25-0.3Mpa

Spring range: 40-200Kpa, 60-180Kpa

Connection Method

Flange connection (FM, RJ)

Butt weld connection (BW)

Surface Coating Color

Carbon steel valve body: uniform dark gray

Stainless steel valve body: natural color

Bracket connector: stainless steel natural color or dark gray

Actuator: yellow

Handwheel seat: gray

Identification of Components

Main components marked with materials, numbers, and identification numbers

Special Requirements

Material inspection, liquid penetrant testing (PT), radioactivity inspection (RT), flow characteristic inspection, steam inspection, complete oil ban, and water removal treatment