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Q671F pneumatic thin ball valve

Q671F pneumatic thin ball valve

Product Category:BALL VALVE
Product Name:Q671F pneumatic thin ball valve
Product Tag:pneumatic thin ball valve
Update Date:2021/8/30 23:05:04
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Note: Our Products Can Be Customized According To Customers' Needs. In Addition To National Standards,We Can Design And Manufacture According To American Standards, Japanese Standards, German Standards, Russian Standards, British Standards And So On.

Q671F pneumatic wafer ball valve is a kind of pneumatic ball valve. It is a new generation of ultra-short flange distance ball valve developed by introducing Italian technology and domestically designed. The shape of the ball core channel is rectangular, V-shaped and O-shaped. The product has the characteristics of compact structure, small size, light weight, and convenient installation. It can be widely used in petroleum, chemical industry, metallurgy, power station, light industry and other fields to automatically adjust or adjust oil, water, gas and pulp or fibrous fluids. Cut off control.

working principle:

Q671F pneumatic wafer ball valve is composed of Italian wafer ball valve and GT pneumatic actuator. Pneumatic actuators are divided into double-acting pneumatic actuators and single-acting pneumatic actuators, which are controlled by solenoid valves to achieve ball valve switching action. The pneumatic ball valve can realize intelligent control, quickly open or close the pipeline, and can effectively control and manage the pipe network.

Features:

1. The thin ball valve is a new type of ultra-short flanged ball valve developed by absorbing Italian technology and domestically designed.

2. It adopts the direct connection method to connect the actuator, which has the advantages of compact structure, small size, light weight, low friction resistance, small backlash, stable and reliable action, etc.

3. The shape of the core channel is rectangular, V-shaped and O-shaped. The product has the characteristics of compact structure, small size, light weight, and convenient installation. It can be widely used in petroleum, chemical industry, metallurgy, power station, light industry and other fields to automatically adjust or adjust oil, water, gas and pulp or fibrous fluids. Cut off control.

The main technical parameters:

Product name: Q671F pneumatic wafer thin ball valve

Model Q671F

Material cast iron, cast steel, stainless steel

Connection form Wafer flange

Structure form Fixed ball valve

Nominal diameter DN15 DN20 DN25 DN32 DN40 DN50 DN65 DN80 DN100 DN12 (mm)

Applicable medium: sewage, purified water, steam, vacuum

Pressure environment Normal pressure, high pressure

Working temperature Normal temperature and high temperature

Standard National Standard

Flow direction two-way

Drive mode: manual, pneumatic, electric

Parts and accessories

Use cut-off

Type (channel position) Straight-through

Target Pump

Specification DN15

Valve body form Straight-through casting ultra-short valve
Nominal diameter DN15~150mm
Nominal pressure National standard PN1.6, 2.5, 4.0, 6.4 MPa; American standard ANSI 150, 300LB; Japanese standard JIS 10, 20, 30K
Flange standard JIS, ANSI, GB, JB, HG, etc.
Connection Type Flange type, wafer type
Gland type Nut compression type
Seal packing V-type PTFE packing, flexible graphite packing, etc.

☆Valve trim

Spool form O type ball valve core
Flow characteristics Approximate quick opening

☆Executive agency

Actuator model GT, SR, ST, AT, AW series single and double acting pneumatic actuators
Supply pressure 0.4~0.7MPa
Air source interface G1/4", G1/8", G3/8", G1/2"
Ambient temperature -20~+90℃
Action form Single-acting actuator: air-to-close type (B)-valve position open when air is lost (FO); air-to-open type (K)-valve position closed when air is lost (FC)

Double-acting actuator: air-to-close type (B)-valve position retention (FL) when air is lost; air-open type (K)-valve position retention (FL) when air is lost

Can be equipped with accessories Positioner, solenoid valve, air filter pressure reducer, retaining valve, travel switch, valve position transmitter, handwheel mechanism, etc.

※Note: If you need detailed actuator parameters, please enter the pneumatic actuator page to check.

☆Main performance indicators

Nominal diameter DN(mm) 15 20 25 32 40 50 65 80 100 125 150 200 250 300
Allowable pressure difference (MPa) ≤Nominal pressure
Range of motion 0~90°
Leakage Q According to GB/T4213-92, less than 0.01% of rated KV (soft seal is zero leakage)
Basic error With positioner: less than ±2% of full stroke
Back difference With positioner: less than 2% of full stroke

☆Main performance specifications

Test pressure (MPa) Nominal pressure (MPa) Pressure level (class) JIS(K)
1.6 2.5 4.0 6.4 150 300 10K 20K
Strength test 2.4 3.75 6.0 9.6 3.0 7.5 2.4 3.8
Sealing test 1.76 2.75 4.4 7.04 2.2 5.5 1.5 2.8
Airtight test 0.5~0.7MPa

☆Material of main parts

1 Valve body WCB, CF8, CF8M, CF3M
2 Pressure ring 2Cr13, 304, 316
3 Valve seat PEFE, PPL, 304
4 Sphere 2Cr13, 304, 316
5 Stem 2Cr13, 304, 316
6 Seal packing PTFE/flexible graphite
7 Nut gland 2Cr13, 304, 316
Nominal diameter DN(mm) 15 20 25 32 40 50 65 80 100 125 150
L 108 112 114 127 140 140 152 165 178 190 216
H 112 115 120 140 170 180 210 240 290 320 350
D 165 185 200 220 250 285 340 405 460 520 580
D1 125 145 160 180 210 240 295 355 410 470 525
D2 46 56 65 76 84 99 118 132 156 184 211

Product Keyword Tags>>

Ball valve,Ball valves,ball valve manufacturer in China, Ball Valve supplier in China,

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