Double Block And Bleed Valve
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Single Block And Bleed Ball Valve Manufacturer in india in 1/2" TO 4" or custom size
Single Block And Bleed Valve are widely used in a live process plant for maintenance purposes to achieve positive isolation without shutting off the plant. Double Block And Bleed Ball Valve reduce the risk of harm to people as well as the environment. Many oil and gas companies have adopted Double Block And Bleed Plug Valve for working in field equipment. This is because Dbb Plug Valve provides a verifiable seal and is said to be a safe replacement for conventional 2 way valves. Double Isolation And Bleed valves are used to prevent contamination and removal of equipment for servicing. Swagelok Block And Bleed Valve are used were bleeding the valve cavity is important, and isolation is required for transmission and storage.
While selecting a Double Block And Bleed Gate Valve it is
important to consider the pressure, temperature, and fluid properties. However the end use of
the valve and configuration of Swagelok Double Block And Bleed will decide
which is the best option suitable for a particular application. In order to prevent static
electricity that may block the fluid Double Block Bleed Valve are fitted with a
static conduction spring between the ball and the stem. Block And Bleed Ball
Valve is fitted with a double gasket first with soft material and second in
graphite.
This double gasket in Block And Bleed Valve Parker/ Swagelok assures the best
seal characteristic in corrosive services and gives it a fire safe design. The seat design and
stem seal arrangement ensure lower torque output in Block And Bleed Valve For the
Pressure Gauge. Double as well as Single Block Bleed Valve are
designed in a way that a long period of inactivity does not affect the efficiency of the valves.
Table of Content
What is Block & Bleed/ / DBB Valve?
Valves of various types are available in the market. They can be closed and opened in various forms. Block Valves are used to ideally stop the flow of liquids and gases. Double Block And Bleed Valve are used for shutting off a section of pipe on both sides instead of shutting only one side. Block & Bleed Valve work on the principle of blocking both the upstream and downstream of the working area and bleeding or draining out the pressure that is remaining in the valve. double block and bleed valve manufacturers recommend these valves as they require less space and have a compact design.
Specification of Single Block And Bleed Valve
| BRAND NAME | OMSHYDRAULICS |
| SIZE | 1/2" TO 4" |
| THREAD | NPT, BSPP, BSPT |
| CONNECTION | THREADED, FLANGE END |
| FLANGE CLASS | 150#, 300#, 600#, 900#, 1500#, 2500# |
| PRESSURE RATING | 1500 PSI, 3000 PSI, 6000 PSI, 10000 PSI |
| MATERIAL | SS 316, SS 304, SS 316 TI, COPPER, BRASS, DUPLEX, CS, INCONEL, SUPER DUPLEX,
HASTELLOY, MONEL, ALLOY 20, SMO 254, 904L, TITANIUM & ALL OTHER ALLOYS |
Block Valves Price in india
| Description | Price |
| Stainless Steel Double Block and Bleed Valves Class 150 to Class 2500 Flange | US $ 184.6-1946 / Piece |
| Double Bleed Double Block (DBB) Flanged Ball Valves | US $ 49-50 / Piece |
| Stainless Steel Instrument Multi Port Double Block and Bleed Valves | Min. Order: 5 Pieces |
| Dbb (Double Block & Bleed) Floating Ball Valves (DBBQ41F) | US $ 1 / Piece |
| F304L 12' Bi-Directional Double Block and Bleed Steam Ball Valves | US $ 2800-5000 / Set |
| Stainless Steel F316 Double Block and Bleed Ball Valves | US $ 8-28 / Piece |
| Double Block and Bleed Flanged Ending Ball Valves (Q41F) |
US $ 60 / Piece |
Double Block & Bleed Valve Manufacturer in india
MALE X FEMALE BLOCK & BLEED MANIFOLD VALVE
MALE X MALE BLOCK AND BLEED VALVE
SINGLE BLOCK AND BLEED VALVE
DBB FLANGE X 1-2'' NPT F
DBB FLANGE X FLANGE
DBB VALVE AS PER B16.5
Find your choice of sizes from our Double Block And Bleed Gate Valve stock, available in Threaded, Flange End connection
Types of Block and Bleed valve
- Single block and bleed valves
- Double block and bleed valves
- Single unit Double block and bleed valves
Single block and bleed valve Dimensions
|
Designator |
Block |
Vent |
|
B |
Ball |
Ball |
|
Y |
OS&Y |
OS&Y |
|
N |
Globe Needle |
Globe Needle |
|
A |
Ball |
OS&Y |
|
C |
Ball |
Globe Needle |
|
D |
OS&Y |
Globe Needle |
Dbb Plug Valve Pressure Range Range
- 6000 PSI
- 10000 PSI
- 15000 PSI
Block And Bleed Ball Valve function
Within the chemical plant, we ought to separate certain hardware habitually
for cleaning, support, and repair. We got to flawlessly isolate the equipment since liquids are
exceptionally combustible or poisonous so spillage of liquid can cause a gigantic issue. For
separating a certain instrument is accessible which is called Block and Bleed valve. Block and
bleed is nothing but a combination of one or two piece valves and one bleed valve.
Double block and bleed valve Dimensions
|
Designator |
Block |
Block |
Vent |
|
B |
Ball |
Ball |
Ball |
|
Y |
OS&Y |
OS&Y |
OS&Y |
|
A |
Ball |
Ball |
OS&Y |
|
C |
Ball |
Ball |
Globe Needle |
|
D |
OS&Y |
Globe Needle |
Globe Needle |
|
E |
OS&Y |
OS&Y |
Globe Needle |
Application of Single Block Bleed Valve
- Prevent product contamination
- Remove equipment from service for cleaning or repair
- Meter calibration
- Liquid service near waterways or municipalities
- Transmission and storage
- Chemical injection and sampling
- Isolate instrumentation such as pressure indicators and lever gauges
- Primary process steam
- DBBs are primarily used in the oil and gas, petrochemical, storage, and transmission
industries.
Full Bore Double Block And Bleed Valve Dimensions
|
Size(inch) |
Bore(mm) |
Class |
Dimension(mm) |
Weight(kg) |
|||
|
A(RF) |
A(RTJ) |
B |
C |
||||
|
1/2” |
14 |
150 |
235 |
248 |
88.9 |
60.5 |
8.5 |
|
300 |
241 |
254 |
95.2 |
66.5 |
9.5 |
||
|
600 |
254 |
254 |
95.2 |
66.5 |
10.0 |
||
|
900/1500 |
287 |
287 |
120.6 |
82.5 |
13.0 |
||
|
2500 |
303 |
303 |
133.4 |
88.5 |
16.0 |
||
|
3/4” |
19 |
150 |
264 |
277 |
98.6 |
69.9 |
9.5 |
|
300 |
277 |
290 |
117.3 |
82.5 |
10.5 |
||
|
600 |
290 |
290 |
117.3 |
82.5 |
11.0 |
||
|
900/1500 |
320 |
320 |
130 |
88.9 |
16.0 |
||
|
2500 |
333 |
333 |
139.7 |
95.3 |
19.0 |
||
|
1” |
25 |
150 |
272 |
285 |
108 |
79.2 |
15.0 |
|
300 |
279 |
292 |
124 |
88.9 |
16.7 |
||
|
600 |
292 |
292 |
124 |
88.9 |
17.5 |
||
|
900/1500 |
364 |
364 |
149.3 |
101.6 |
21.2 |
||
|
2500 |
377 |
377 |
158.8 |
108 |
24.2 |
||
|
1 1/2” |
38 |
150 |
361 |
374 |
127 |
98.6 |
24.7 |
|
300 |
367 |
384 |
155.4 |
114.3 |
27.1 |
||
|
600 |
384 |
384 |
155.4 |
114.3 |
27.9 |
||
|
900/1500 |
402 |
402 |
177.8 |
123.9 |
35.1 |
||
|
2500 |
463 |
466 |
203.2 |
146.1 |
45.5 |
||
|
2” |
50 |
150 |
390 |
403 |
152.4 |
120.7 |
48.2 |
|
300 |
398 |
411 |
165.1 |
127 |
50.3 |
||
|
600 |
416 |
419 |
165.1 |
127 |
51.1 |
||
|
900/1500 |
481 |
484 |
215.9 |
165.1 |
66.8 |
||
|
42 |
2500 |
652 |
655 |
235 |
171.5 |
150.0 |
|
Get complete information about Block And Bleed Valve Parker/ Swagelok/ Slimline online here
Diagram of Double Block Bleed Valve
Benefits of Using a Double Block and Bleed Valve
- DBB valves are resistant to vibrations, changes in pressure and incorporate anti-static and anti-blowout features.
- DBB valves are tightly sealed to prevent any leakages.
- Increases safety and quick turnaround of maintenance and repair procedures.
- There is no need to use brackets to support DBB valves as they are designed as a single unit and can be bolted or screwed to the process pipes.
Double Block And Bleed Ball Valve Ordering Information
Process Connection of Integral Double Block Bleed Valve
|
Flange Size |
Flange Class |
Bore Size |
Finish Standard |
||||
|
Designator |
Size |
Designator |
Rating |
Designator |
Size |
Designator |
Finish |
|
8 |
1/2” (DN15) |
A |
150 |
Nill |
Full |
1 |
Raised Faced Smooth |
|
12 |
3/4” (DN20) |
B |
300 |
1 |
Reduce |
2 |
Raised Faced Smooth |
|
16 |
1” (DN25) |
C |
600 |
2 |
9.5mm |
3 |
Raised Faced Stock |
|
24 |
1 1/2” (DN40) |
D |
900 |
3 |
14mm |
4 |
Ring Type Joint |
|
32 |
2” (DN50) |
E |
1500 |
4 |
19mm |
|
|
|
|
F |
2500 |
|
|
|||
Seat and Packing of Dbb Plug Valve
|
Ball Valve Seat Material |
DS&Y Packing |
Needle Valve Packing |
|||
|
Designator |
Seat |
Designator |
Packing |
Designator |
Packing |
|
Nil |
Reinforced PTFE |
Nil |
Graphite |
Nil |
Graphite |
|
PK |
PEEK |
PE |
PTFE |
RP |
Reinforced PTFE |
9.5mm Bore Block And Bleed Valve Dimensions
|
Size(inch) |
Class |
Dimension(mm) |
Weight(kg) |
|||||
|
A(RF) |
A(RTJ) |
A(Flange/NPT) |
B |
C |
Flange |
Flange/NPT |
||
|
1/2” |
150 |
188 |
- |
168 |
88.9 |
60.5 |
4.3 |
3.6 |
|
300 |
188 |
193 |
168 |
95.2 |
66.5 |
5 |
3.9 |
|
|
600 |
188 |
196 |
168 |
95.2 |
66.5 |
5.2 |
4 |
|
|
900/1500 |
206 |
213 |
176 |
120.6 |
82.5 |
7.9 |
5 |
|
|
2500 |
206 |
213 |
176 |
133.4 |
88.5 |
10.8 |
6 |
|
|
3/4” |
150 |
188 |
- |
168 |
98.6 |
69.9 |
4.9 |
3.9 |
|
300 |
188 |
196 |
168 |
117.3 |
82.5 |
6.3 |
4 |
|
|
600 |
188 |
196 |
168 |
117.3 |
82.5 |
6.5 |
4.2 |
|
|
900/1500 |
206 |
213 |
176 |
130 |
88.9 |
9.5 |
5.6 |
|
|
2500 |
206 |
213 |
176 |
139.7 |
95.3 |
11 |
7.1 |
|
|
1” |
150 |
188 |
193 |
173 |
108 |
79.2 |
5 |
3.9 |
|
300 |
190 |
195 |
173 |
124 |
88.9 |
6.3 |
4.3 |
|
|
600 |
190 |
198 |
173 |
124 |
88.9 |
6.5 |
4.5 |
|
|
900/1500 |
240 |
240 |
195 |
149.3 |
101.6 |
11.5 |
6.8 |
|
|
2500 |
255 |
255 |
203 |
158.8 |
108 |
14.3 |
8.1 |
|
|
1 1/2” |
150 |
198 |
203 |
178 |
127 |
98.6 |
7 |
4.6 |
|
300 |
218 |
218 |
185 |
155.4 |
114.3 |
10.1 |
6 |
|
|
600 |
235 |
235 |
204 |
155.4 |
114.3 |
11 |
6.5 |
|
|
900/1500 |
280 |
280 |
215 |
177.8 |
123.9 |
16.5 |
9.4 |
|
|
2500 |
316 |
316 |
220 |
203.2 |
146.1 |
25.8 |
14 |
|
|
2” |
150 |
203 |
213 |
183 |
152.4 |
120.7 |
9.4 |
5.5 |
|
300 |
223 |
228 |
190 |
165.1 |
127 |
12.8 |
6.8 |
|
|
600 |
243 |
253 |
202 |
165.1 |
127 |
13.4 |
8.1 |
|
|
900/1500 |
288 |
288 |
215 |
215.9 |
165.1 |
25.4 |
14 |
|
|
2500 |
313 |
313 |
220 |
235 |
171.5 |
36.6 |
22 |
|
Reduce Bore Block And Bleed Valve Dimensions
|
Size(inch) |
Bore(mm) |
Class |
Dimension(mm) |
Weight(kg) |
|||
|
A(RF) |
A(RTJ) |
B |
C |
||||
|
3/4” |
14 |
150 |
249 |
262 |
98.6 |
69.9 |
10.0 |
|
300 |
262 |
275 |
117.3 |
82.5 |
11.5 |
||
|
600 |
275 |
275 |
117.3 |
82.5 |
13.0 |
||
|
900/1500 |
305 |
305 |
130 |
88.9 |
16.0 |
||
|
2500 |
318 |
321 |
139.7 |
95.3 |
19.0 |
||
|
1” |
19 |
150 |
267 |
280 |
108 |
79.2 |
11.5 |
|
300 |
281 |
294 |
124 |
88.9 |
13.0 |
||
|
600 |
294 |
294 |
124 |
88.9 |
14.5 |
||
|
900/1500 |
336 |
336 |
149.3 |
101.6 |
19.0 |
||
|
2500 |
350 |
353 |
158.8 |
108 |
22.0 |
||
|
1 1/2” |
25 |
150 |
279 |
292 |
127 |
98.6 |
16.4 |
|
300 |
285 |
298 |
155.4 |
114.3 |
20.2 |
||
|
600 |
301 |
301 |
155.4 |
114.3 |
21.0 |
||
|
900/1500 |
370 |
370 |
177.8 |
123.9 |
26.2 |
||
|
2500 |
396 |
399 |
203.2 |
146.1 |
36.6 |
||
|
2” |
38 |
150 |
364 |
377 |
152.4 |
120.7 |
25.7 |
|
300 |
372 |
383 |
165.1 |
127 |
29.8 |
||
|
600 |
390 |
393 |
165.1 |
127 |
31.2 |
||
|
900/1500 |
415 |
418 |
215.9 |
165.1 |
43.8 |
||
|
2500 |
475 |
478 |
235 |
171.5 |
57.5 |
||
|
3” |
50 |
150 |
400 |
413 |
190.5 |
152.4 |
52.7 |
|
300 |
410 |
423 |
209.5 |
168.1 |
56.7 |
||
|
600 |
428 |
431 |
209.5 |
168.1 |
58.7 |
||
|
900 |
441 |
444 |
241.3 |
190.5 |
68.9 |
||
|
1500 |
500 |
503 |
266.7 |
203.2 |
84.7 |
||
|
42 |
2500 |
694 |
700 |
304.8 |
228.6 |
210.0 |
|
You can check our associates and dealers of Double Block And Bleed Valves at different part of world
| Netherlands, Malaysia, Philippines | Double Block And Bleed Valves |
| Chile, China, South Africa, United Kingdom -UK | Single Block And Bleed Valves |
| Egypt, Sweden, Oman, Europe | Double Block Valvess |
| Australia, Malaysia, Germany, Spain | Double Block And Bleed Ball Valves |
| United Arab Emirates (UAE), Philippines, Bahrain, UK | Double Block And Bleed Plug Valves |
| Italy, Japan, Saudi Arabia (KSA), Canada | Double Isolation And Bleed Valves |
| Malaysia, Singapore, USA, Europe | Double Block And Bleed Gate Valves |
| Malaysia, Taiwan, Thailand, Mexico | Double Plug Valves |
| Turkey, Colombia, South Africa, Malaysia | Swagelok Double Block And Bleed |
| Singapore, Romania, Kuwait, Poland | Double Block And Bleed Valves For Pressure Gauge |
| UK, South Korea, Bangladesh, Malaysia | Double Block And Bleed Valves Parker/ Swagelok |
| Iran, Malaysia, Singapore, Canada | Double Block And Bleed Valves For Pressure Transmitter |