Type list of double-float Buchholz relays
Double-float Buchholz relays with threaded connection
Type 04
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
04 (BG 25) (DG 25) |
Threaded connection G 1½" | 25 | - | - | - | - | 16 | 185 | 235 | 90 | 4,2 | ≤5000 KVA |
Typ 21
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
21 (BG 25 S) (-) |
Threaded connection G 1½" | 25 | - | - | - | - | 16 | 185 | 235 | 90 | 3,6 | ≤5000 KVA |
Double-float Buchholz relays with flanged connection (round)
Type 05
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
05 (BF 25/6) (-) |
Flange 4-hole | 25 | 100 | 75 | 60 | 12 | 12 | 185 | 235 | 90 | 4,4 | ≤5000 KVA |
Type 06
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
06 (BF 25/10) (DR 25) |
Flange 4-hole | 25 | 115 | 85 | 68 | 14 | 18 | 200 | 235 | 90 | 4,8 | ≤5000 KVA |
Type 07
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
07 (BF 50/6) (-) |
Flange 4-hole | 50 | 140 | 110 | 90 | 14 | 12 | 185 | 235 | 80 | 4,6 | ≥5000 KVA ≤10000 KVA |
Type 08
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
08 (BF 50/10) (DR 50) |
Flange 4-hole | 50 | 165 | 125 | 102 | 18 | 16 | 195 | 250 | 80 | 5,9 | ≥5000 KVA ≤10000 KVA |
Type 09
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
09 (BF 80/10) (-) |
Flange 4-hole | 80 | 200 | 160 | 138 | 18 | 15 | 195 | 265 | 80 | 6,2 | ≥10000 KVA |
Type 24
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
24 (BF 80/6) (-) |
Flange 4-hole | 80 | 190 | 150 | 130 | 18 | 15 | 195 | 260 | 80 | 6,0 | ≥10000 KVA |
Type 23
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
23 (BF 25/10 S) (-) |
Flange 4-hole | 25 | 115 | 85 | 68 | 14 | 18 | 200 | 235 | 90 | 4,4 | ≤5000 KVA |
Type 26
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
26 (BF80/10/8) (DR 80) |
Flange 8-hole | 80 | 200 | 160 | 138 | 18 M16 | 15 | 195 | 265 | 80 | 6,2 | ≥10000 KVA |
Double-float Buchholz relays with flat flanged connection (round)
Type 27
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
27 (BF 80/10/8 G) (DR 80) |
Flange 8-hole | 80 | 200 | 160 | - | 18 | 18 | 195 | 265 | 80 | 6,2 | ≥10000 KVA |
Type 28
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
28 (BF 80/10 G) (-) |
Flange 4-hole | 80 | 200 | 160 | - | 18 | 18 | 195 | 265 | 80 | 6,2 | ≥10000 KVA |
Type 31
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
31 (BF 25/10 G) (DR 25) |
Flange 4-hole | 25 | 115 | 85 | - | 14 | 20 | 200 | 235 | 90 | 4,8 | ≤5000 KVA |
Double-float Buchholz relays with flanged connection (square)
Type 10
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
10 (BF 80/Q) (DQ 80) |
Flange square 4-hole | 80 | 125 | 132 | - | 18 | 20 | 200 | 235 | 80 | 5,0 | ≥10000 KVA |
Double-float Buchholz relays with geometrical flange dimensions according to Chinese norm
Type 62
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
62 (BC 50) (QJ 50) |
Flange square 4-hole | 50 | 125 | 125 | - | 14 | 15 | 185 | 230 | 80 | 5,0 | ≥5000 KVA ≤10000 KVA |
Type 63
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
63 (BC 80) (QJ 80) |
Flange square 4-hole | 80 | 160 | 160 | - | 18 | 15 | 185 | 245 | 80 | 5,0 | ≥10000 KVA |
Double-float Buchholz relays with geometrical flange dimensions according to former French norm
Type 41
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
41 (NF 25) |
Flange 4-hole | 25 | 115 | 85 | - | 14 | 8 | 240 | 235 | 90 | 4,2 | ≤5000 KVA |
Type 42
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
42 (NF 50) |
Flange 4-hole | 50 | 165 | 125 | - | 18 | 15 | 240 | 250 | 80 | 5,1 | ≥5000 KVA ≤10000 KVA |
Type 43
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
43 (NF 80) |
Flange 4-hole | 80 | 200 | 160 | - | 18 | 15 | 240 | 265 | 80 | 5,5 | ≥10000 KVA |
Double-float Buchholz relays with geometrical flange dimensions according to former British standard
Type 51
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
51 (BS 25) |
Flange square 4-hole | 25 | 76 2,99 | 72 2,83 | - - | M10 M10 | - - | 127 5 | 235 9,25 | 90 3,54 | 3,7 | ≤ 5000 KVA |
Type 52
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
52 (BS 50) |
Flange round 6-hole | 50 | 140 5,51 | 110 4,33 | - - | 12 0,47 | 12 0,47 | 185 7,28 | 235 9,25 | 80 3,15 | 4,8 | ≥5000 KVA ≤10000 KVA |
Type 53
Type | Type of connection | Pipe diameter DN (mm) | Flange dimensions (mm) | Device dimensions (mm) | Weight without packing (kg) | Suited for transformer ratings of | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
d1 | d2 | d3 | d4 | d5 | f | l | h1 | h2 | ||||
53 (BS 80) |
Flange round 6-hole | 80 | 160 6,30 | 130 5,12 | - - | 12 0,47 | 13 0,51 | 185 7,28 | 240 9,45 | 80 3,15 | 5,0 | ≥10000 KVA |
Contact
Please contact us! We are glad to advise you and help with your selection.
Otto-von-Guericke-Allee 12
39179 Barleben
Phone +49 (0) 392 03 / 79 - 0
Fax +49 (0) 392 03 / 53 30
Ordering data/Type code
Explanations of the ordering key you find here.