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3KH/4KH Multi-way Ball Valve

  • Max. Working Pressure: 315bar

  • Nominal Size:6~25mm

  • Working Temperature:-25℃~+180℃

  • Body Material: 304 or 316L Stainless steel、45# Carbon steel

热线电话: 0573-83696688
3KH/4KH Multi-way Ball Valve
Product description
Parameters Table
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3KH/4KH Multi-way Ball Valve (DN6~25 mm)

 

Features
● One valve can realize switching among multiple ways and multiple types of functions.
● Max. working pressure: 40bar (PTFE), 250 bar (POM), 315 bar (PEEK)
● Pneumatic or electric actuator may be fitted.
● Fixed ball construction; any port can connect high pressure.

 

 

Application of Sealing Materials

 

Material Uses
POM (2) Mainly used for non-corrosive oils, water and gases; temperature: -30℃~+100℃
PTFE (4) Excellent corrosion resistance; applicable to most media; temperature: -30℃~+120℃
PEEK(6) Relatively good corrosion resistance; wide temperature range: -50℃~+230℃
FPM(5) Relatively good corrosion resistance; wide temperature range: -50℃~+230℃
EPDM(6) Good chemical adaptability; intolerant of ammonia, alcohols and diethyl ether; applicable to most media; temperature: -25℃~+180℃
NBR Intended for ammonia, vapor, formaldehyde and ethylene glycol; mineral oil intolerant; temperature: -50℃~+130℃

 

Ordering Information

 

BSPP Female Threaded Ball Valves (G thread/ISO228-1) [mm]

 

Stainless Steel
Ball Valve
Ordering Number
3KH or 4KH
Carbon Steel
Ball Valve
Ordering Number
3KH or 4KH
DN Actual Hole
ID
LW
Connection L L1 B d1 M1 C M2 H1 H
L/T X
4KH-G1/4-06-4425 4KH-G1/4-06-1425 6 6 5 G1/4 91 152 62 50 M6 42 M6 52 108
4KH-G3/8-10-4425 4KH-G3/8-10-1425 10 9 7.5 G3/8 113 160 78 70 M8 50 M6 55 101
4KH-G1/2-13-4425 4KH-G1/2-13-1425 13 12.5 11.5 G1/2 131 160 95 70 M8 60 M8 60 106
4KH-G3/4-20-4425 4KH-G3/4-20-1425 20 19 18 G3/4 148 210 112 70 M8 75 M8 71 127
4KH-G1-25-4425 4KH-G1-25-1425 25 24 22 G1 172 210 124 102 M10 90 M10 79 135
4KH-G11/4-25-4425 4KH-G11/4-25-1425 25 24 22 G11/4 180 210 124 102 M10 90 M10 79 135

 

Types of Multi-way Ball Valve Passage Mechanisms

 

Code Type of Ball Valve Operating Mode Functional Diagram
1 3/2-way ball valve, L-shaped hole +0°-90°
2 3/3-way ball valve, L-shaped hole &additional hole 0°-45°-90°★
3 3/2-way ball valve, T-shaped hole +0°-90°
4 3/3-way ball valve, T-shaped hole &additional hole 0°-45°-90°★
6 4/2-way ball valve, X-shaped hole 0°-90°
7 4/3-way ball valve, X-shaped hole &additional hole 0°-45°-90°★
8 4/2-way ball valve, T-shaped hole +0°-90°
9 4/3-way ball valve, T-shaped hole +0°-90°-180★°
10 4/3-way ball valve, L-shaped hole &relief hole 0°-45°-90°★
17 4/3-way ball valve, X-shaped hole and additional T-shaped hole 0°-45°-90°★
19 3/2-way ball valve, T-shaped hole +0°-90°
20 3/3-way ball valve, T-shaped hole +0°-90°-180°★

★Manually operated ball valves with three valve positions in the passage mechanism are fitted with an intermediate valve position locating mechanism , and such valves can only be fixed with bottom mounting holes.

 

Torque Curves
The working torque of ball valves depends on pressure and ball seat sealing material. In the diagram, the working medium is oil, the seal is POM and (supposing water*1.2, air*1.4 and granular powder*1.6) actuator torque = 1.2*Torque (where: 1.2 is the safety factor).

 

 

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2021-09-13 11:33:23
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