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BK3Three-way Ball Valve

  • Max. Working Pressure: 350bar

  • Nominal Size:6~40mm

  • Working Temperature:-45℃~+200℃

  • Body Material: 304 Stainless steel 、 45# Carbon steel

热线电话: 0573-83696688
BK3Three-way Ball Valve
Product description
Parameters Table
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BK3 Three-way High Pressure Ball Valve with Square Body (DN6~40 mm)

 

Features
● Multiple types of passages available;
● -A type can connect high pressure at any end as required
● Body material: stainless steel or carbon steel
● Square body &compact construction
● Max. working pressure: see working pressure in “Table of Technical Data”

 

Ordering Information

 

 

Steel Ball Passage Mechanisms of Ball Valves

 

 

Precautions for Installation!!
The sealing function of BK3 standard ball valves (without“-A” in the ordering number) is valid in only two cases as follows:
(1) The pressure at the closed connection is zero;
(2) Pressure of two connected connections is higher than that of the closed one.

If it is required that all connections can connect a high pressure end (PN2>PN1), it is another three-way valve with special sealing construction and ‘-A’ needs to be added to the end of the ordering number when placing an order.

 

 

Table of BK3 Ball Valves and Sealing Materials

 

Type Material Uses
Metal Material 304 stainless steel Intended for water, air and slightly corrosive media; temperature: -196℃~+400℃
45# carbon steel Common oil hydraulic systems without special material requirements, etc.; surface galvanized; temperature: -45℃~+250℃
Ball Seat Seal POM Mainly used for non-corrosive oils, water and gases; temperature: -30℃~+100℃
PEEK Relatively good corrosion resistance; wide temperature range: -50℃~+230℃
O-ring FPM Good chemical adaptability; intolerant of ammonia, alcohols and diethyl ether; applicable to most media;temperature: -25℃~+180℃
EPDM Intended for ammonia, vapor, formaldehyde and ethylene glycol; mineral oil intolerant; temperature: -50℃~+130℃

 

 

Table of Technical Data of Ball Valves [mm]

 

Carbon Steel Ball Valve
Ordering Number
Stainless Steel Ball Valve
Ordering Number
DN LW D L L1 H H1 H2 B C SW Working Pressure
[bar]
BK3-G1/4-06-1125 BK3-G1/4-06-4425 6 6 G1/4 69 107 71 13 32 37 24 9 350
BK3-G3/8-08-1125 BK3-G3/8-08-4425 8 7 G3/8 69 107 71 13 32 37 24 9 350
BK3-G1/2-13-1125 BK3-G1/2-13-4425 13 12 G1/2 85 107 79 17.5 40 50 32.5 9 350
BK3-G3/4-20-1125 BK3-G3/4-20-4425 20 18 G3/4 96 165 126 24.5 57 63 38.5 14 315
BK3-G1-25-1125 BK3-G1-25-4425 25 22 G1 115 165 130 27.5 61 71 43.5 14 315
BK3-G11/4-32-1125 BK3-G11/4-32-4425 32 30 G11/4 115 211 145 39 86 90 52 17 250
BK3-G11/2-40-1125 BK3-G11/2-40-4425 40 35 G11/2 120 211 152 42 92 99 57 17 250

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2021-09-13 11:22:33
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