3 Way Pneumatic Ball Valve Q644F-Q645F

Q644F Q645F Series Modulating Type 4-20mA 3-Way Pneumatic Ball Valve with Flange Connection

Features

Product overview:

Pneumatic three-way flange ball valve is a three-channel swing-type ball valve used for media diversion, confluence and flow direction switching. Any pipeline can be used as an inlet or outlet.Pneumatic three-way flange ball valves are divided into two types: pneumatic three-way flange L-type ball valve and pneumatic three-way flange T-type ball valve, which can meet different production process requirements.

Specifications

Nominal diameter(mm)

15

20

25

32

40

50

65

80

100

125

150

200

Allowable pressure difference (MPa)

≤ Nominal pressure

Range of motion

0~90°

Valve body type

Segmented cast valve body

Bonnet type

Integral

Gland type

Bolt-on type

Sealing packing

V-type PTFE packing, PTFE impregnated asbestos packing, asbestos textile packing, graphite packing

Connection

Flange type, threaded type (applicable to 1/2″~2″)

Valve core type

Three-way ball valve core

Flow characteristics

Approximate fast-opening characteristics

Leakage Q

Soft seal: zero leakage; Metal seal: according to GB/T4213-92, less than rated KV0.01%

Basic error

±1%

Return difference

±1%

Dead zone

≤1%

Configure actuator model

GT, AT, series single and double acting pneumatic actuators

Control method

Switch two-position control, 4-20mA analog control

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