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EAGLE PRODUCT

BKH 400 bar Ball Valve

  • Max. Working Pressure: 400bar

  • Nominal Size:4~25mm

  • Working Temperature:-45℃~+200℃

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

热线电话: 0573-83696688
BKH 400 bar Ball Valve
Product description
Parameters Table
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I) BKH High Pressure Ball Valve (DN4~25 mm)
Features:
high pressure rating and high safety; carbon steel and 304/316L stainless steel ball valves can all be provided with a stainless steel handle; pressure rating (max. working pressure) up to 400 bar.

 

II) BKH-B High Pressure Ball Valve for Gases
Features:
special seal design; all ball valves have undergone 
low and high pressure gas tests.

 

Ordering Information

 

 

BKH Ball Valve Sealing Materials

 

Type Material Uses
Metal Material 304 stainless steel Intended for water, air and slightly corrosive media; temperature: -196℃~+400℃
316L stainless steel Intended for weak acids, alkalis and other corrosive media; temperature: -196℃~+500℃
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: -60℃~+250℃
O-ring NBR Intended for oils, water, air and other non-corrosive media; temperature: -35℃~+100℃
Low temperature NBR Intended for oils, water, air and other media at low ambient temperature; temperature: -45℃~+100℃
FPM Good chemical adaptability; especially suitable for oils and concentrated acids; temperature: -25℃~+200℃
EPDM Intended for ammonia, steam, formaldehyde and ethylene glycol; mineral oil intolerant; temperature: -50℃~+130℃

 

Common Material Combinations of BKH Ball Valves

 

Material ombination Code Ordering Number (example) Body Ball Seat Seal Stem Seal Applicable Media
Stainless Steel Ball Valve 4425 BKH-G3/4-20-4425 304 POM FPM Water, oil and other neutral media; -25℃~+100℃
4423-B BKH-G3/4-20-4423-B 304 POM NBR Air or nitrogen and other neutral gas, -30℃~+100℃
6665 BKH-G3/4-20-6665 316L PEEK FPM Applicable to high-temperature or corrosive media; -25℃~+200℃
Carbon Steel Ball Valve 1123 BKH-G3/4-20-1123 45# POM NBR Oils; -25℃~+100℃
1168 BKH-G3/4-20-1168 45# PEEK Low temperature NBR Oils at low ambient temperature; -45℃~+100℃

 

 

 

Body Dimensions, Mounting Hole Dimensions and Max. Working Pressures [mm]

 

Nominal Size
DN
Max. Working Pressure
[bar]
SW E F H G C M N S T Mounting Hole Code
4-8 400 9 26 32 13 M5 29 19 5 7
10 400 9 32 38 16.5 M5 36 7 9 F03
13 400 9 35 40 17.5 M5 36 7 9 F03
16 350 12 39 47 20 M5 42 7 9 F04
20 350 14 49 58 24.5 M6 50 8 11 F05
25 315 14 55 63 28 M6 50 8 11 F05

If ball valves with mounting hole are required, add “-D” to the end of the ordering number, for example: BKH-G1-25-4425-D.

Table of Technical Data of Ball Valves [mm]

 

Diagram Stainless Steel Ball Valve Ordering Number Carbon Steel Ball Valve Ordering Number DN D L A B Pressure Rating
[bar]

G Female Thread

BKH-G1/8-04-4425 BKH-G1/8-04-1123 4 G1/8 69 55.5 107 400
BKH-G1/4-06-4425 BKH-G1/4-06-1123 6 G1/4 69 55.5 107 400
BKH-G3/8-08-4425 BKH-G3/8-08-1123 8 G3/8 69 55.5 107 400
BKH-G3/8-10-4425 BKH-G3/8-10-1123 10 G3/8 73 58 107 400
BKH-G1/2-13-4425 BKH-G1/2-13-1123 13 G1/2 85 59 107 400
BKH-G3/4-20-4425 BKH-G3/4-20-1123 20 G3/4 96 78 160 350
BKH-G1-25-4425 BKH-G1-25-1123 25 G1 115 79.5 160 315

NPT Female Thread

BKH-1/8NPT-04-4425 BKH-1/8NPT-04-1123 4 1/8NPT 69 55.5 107 400
BKH-1/4NPT-06-4425 BKH-1/4NPT-06-1123 6 1/4NPT 69 55.5 107 400
BKH-3/8NPT-10-4425 BKH-3/8NPT-10-1123 10 3/8NPT 73 58 107 400
BKH-1/2NPT-13-4425 BKH-1/2NPT-13-1123 13 1/2NPT 85 59 107 400
BKH-3/4NPT-20-4425 BKH-3/4NPT-20-1123 20 3/4NPT 97 78 160 350
BKH-1NPT-25-4425 BKH-1NPT-25-1123 25 1NPT 114 79.5 160 315

 

Diagram Stainless Steel Ball Valve Ordering Number Carbon Steel Ball Valve Ordering Number DN d L A B Pressure Rating
[bar]

Compression Fitting
DIN2353 “L” Series

E-BKH-06L-04-4425 C-BKH-06L-04-1123 4 6 83 55.5 107 315
E-BKH-08L-06-4425 C-BKH-08L-06-1123 6 8 83 55.5 107 315
E-BKH-10L-08-4425 C-BKH-10L-08-1123 8 10 86 55.5 107 315
E-BKH-12L-10-4425 C-BKH-12L-10-1123 10 12 91 58 107 315
E-BKH-15L-13-4425 C-BKH-15L-13-1123 13 15 102 59 107 315
E-BKH-18L-13-4425 C-BKH-18L-13-1123 13 18 106 59 107 315
E-BKH-22L-16-4425 C-BKH-22L-16-1123 16 22 112 82 152 250
E-BKH-28L-20-4425 C-BKH-28L-20-1123 20 28 128 78 160 250
E-BKH-35L-25-4425 C-BKH-35L-25-1123 25 35 140 79.5 160 250

Compression Fitting
DIN2353 “S” Series

E-BKH-12S-08-4425 C-BKH-12S-08-1123 8 12 94 55.5 107 400
E-BKH-14S-10-4425 C-BKH-14S-10-1123 10 14 104 58 107 400
E-BKH-16S-13-4425 C-BKH-16S-13-1123 13 16 109 59 107 400
E-BKH-20S-16-4425 C-BKH-20S-16-1123 16 20 115 82 152 350
E-BKH-25S-20-4425 C-BKH-25S-20-1123 20 25 138 78 160 350
E-BKH-30S-25-4425 C-BKH-30S-25-1123 25 30 154 79.5 160 315

Note: If ferrules without O-ring are required, change “E-” to “C-”, for example: C-BKH-16S-13-4425.

 

Diagram Stainless Steel Ball Valve Ordering Number Carbon Steel Ball Valve Ordering Number DN S﹡ d L A B Pressure Rating
[bar]

Weld Fitting
DIN2353 “L” Series

W-BKH-06L-04-4425 W-BKH-06L-04-1123 4 1.5 6 116 55.5 107 315
W-BKH-08L-06-4425 W-BKH-08L-06-1123 6 1.5 8 116 55.5 107 315
W-BKH-10L-08-4425 W-BKH-10L-08-1123 8 1.5 10 122 55.5 107 315
W-BKH-12L-10-4425 W-BKH-12L-10-1123 10 1.5 12 126 58 107 315
W-BKH-15L-13-4425 W-BKH-15L-13-1123 13 2 15 144 59 107 315
W-BKH-18L-13-4425 W-BKH-18L-13-1123 13 2.5 18 148 59 107 315
W-BKH-22L-16-4425 W-BKH-22L-16-1123 16 3 22 155 82 152 250
W-BKH-28L-20-4425 W-BKH-28L-20-1123 20 4 28 178 78 160 250
W-BKH-35L-25-4425 W-BKH-35L-25-1123 25 4 35 190 79.5 160 250

Weld Fitting
DIN2353 “S” Series

W-BKH-12S-08-4425 W-BKH-12S-08-1123 8 2 12 128 55.5 107 400
W-BKH-14S-10-4425 W-BKH-14S-10-1123 10 2 14 147 58 107 400
W-BKH-16S-13-4425 W-BKH-16S-13-1123 13 2.5 16 150 59 107 400
W-BKH-20S-16-4425 W-BKH-20S-16-1123 16 3 20 164 82 152 350
W-BKH-25S-20-4425 W-BKH-25S-20-1123 20 4 25 190 78 160 350
W-BKH-30S-25-4425 W-BKH-30S-25-1123 25 4 30 210 79.5 160 315

*If there is a high deviation of weld nipple wall thickness, specify when placing an order, for example: 

 

Diagram Stainless Steel Ball Valve Ordering Number Carbon Steel Ball Valve Ordering Number DN D d L A B Pressure Rating
[bar]

Metric Thread 24° Cone
DIN2353 “L” Series

BKH-06L-04-4425 BKH-06L-04-1123 4 M12*1.5 6 67 55.5 107 400
BKH-08L-06-4425 BKH-08L-06-1123 6 M14*1.5 8 67 55.5 107 400
BKH-10L-08-4425 BKH-10L-08-1123 8 M16*1.5 10 71 55.5 107 400
BKH-12L-10-4425 BKH-12L-10-1123 10 M18*1.5 12 75 58 107 315
BKH-15L-13-4425 BKH-15L-13-1123 13 M22*1.5 15 84 59 107 315
BKH-18L-13-4425 BKH-18L-13-1123 13 M26*1.5 18 84 59 107 315
BKH-22L-16-4425 BKH-22L-16-1123 16 M30*2 22 90 82 152 250
BKH-28L-20-4425 BKH-28L-20-1123 20 M36*2 28 106 78 160 250
BKH-35L-25-4425 BKH-35L-25-1123 25 M45*2 35 116 79.5 160 250

Metric Thread 24° Cone
DIN2353 “S” Series

BKH-08S-04-4425 BKH-08S-04-1123 4 M16*1.5 8 73 55.5 107 400
BKH-10S-06-4425 BKH-10S-06-1123 6 M18*1.5 10 73 55.5 107 400
BKH-12S-08-4425 BKH-12S-08-1123 8 M20*1.5 12 77 55.5 107 400
BKH-14S-10-4425 BKH-14S-10-1123 10 M22*1.5 14 84 58 107 400
BKH-16S-13-4425 BKH-16S-13-1123 13 M24*1.5 16 87 59 107 400
BKH-20S-16-4425 BKH-20S-16-1123 16 M30*2 20 94 82 152 350
BKH-25S-20-4425 BKH-25S-20-1123 20 M36*2 25 110 78 160 350
BKH-30S-25-4425 BKH-30S-25-1123 25 M42*2 30 125 79.5 160 315

 

Torque Curves
The working torque of ball valves depends on the 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).

 

 

Ball Valves with Lock
BKH series ball valves offered by EAGLE can all be provided with a structure for lock, thereby protecting the open/closed status of critical ball valves. The lock needs to be separately purchased by customers.

 

Please add “AV” to the end of the ordering number when placing an order, for example: BKH-G1-25-4425-AV.

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2021-09-13 09:10:59
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