Double Block and Bleed Valve
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A block and bleed is a hydraulic manifold which combines with one or many isolate/block valve generally ball valve and also with one or many vent/bleed valves usually ball valves into one component to form an interface with the other components of a hydraulic system. We at Aptek Instrumentation Pvt. Ltd., have some amazing double block and bleed valves. These can be used for different purposes. We make sure that the raw materials that are used in the production are amazing and tested. After they are tested only then we use them in the process of production. This strategy of ours have made our products the most demanded products in the market and we became the best double block and bleed valve manufacturer. The purpose of these is to block or isolate the flow of fluid into the system. Therefore the fluid from the upstream of the manifold doesn’t reach the other components of the system which is placed downstream. Then they vent or bleed off all the fluid that is remaining from the system placed on the downstream side. Thus if you want to get the perfect work done to get it from us as we are the best double block and bleed valves exporters. Your search for double block and bleed valve supplier in India is over. Visit our website and choose the product that you need and we will deliver it to you on time.
Double Block Bleed Valve
350 - 500 Per No
1 No (MOQ)
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Stainless Steel Double Block and Bleed Ball Valve
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10 Piece (MOQ)
Bleed Gauge Valve
120 Per Piece
100 Piece (MOQ)
Block & Bleed Manifold Valve
400 - 500 Per Piece
2000 Piece (MOQ)
Bleed Valves
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Special Design Feature : Full Bore & Reduce Bore Cryogenic Subsea Design High Temperature High Pressure (HPHT) Service
Double Block and Bleed Valves
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A double block and bleed valve is often used for a more positive isolation of a process fluid from other equipment. It normally consists of 2 block valves and a bleed valve, which apart from being hugely space saving can also save on time during installation and maintenance process. When the process fluid is feeding the downstream equipment, the isolation valves 1 & 2 are opened and bleed valve 3 is closed.When the downstream equipment is to be isolated from the process fluid, the isolation valves 1 & 2 are closed and bleed valve 3 is opened.This is achieved by two Ball, Gate, Globe, Needle, etc valves placed back to back with a third "isolate" valve in the centre cavity. Uses: In some automatic shutdown systems, to stop material flow, such as in fuel gas system for burners. to provide isolation of hazardous material, temperature or pressure during equipment maintenance or shutdown process.
Purge Bleed Valve
1,000 - 2,000 Per Piece
10 Piece (MOQ)
Block and Bleed Manifold
3,500 - 5,500 Per piece
These are normally used for Pressure Switches, Pressure Guages, Pressure Transmitters etc. to isolate the instrument from process and to vent out the blocked air in the process.
Double Block Bleed Valve
675 Per Piece
10 Piece (MOQ)
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Safety Valve With Bleed Nut
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Bleed Needle Valve
575 Per
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Single Block & Bleed Gauge Valves
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We have come up as a highly reliable Manufacturer, Exporter and Supplier of Single Block & Bleed Gauge Valves in Mumbai. The Single Block & Bleed Gauge Valves, offered by us, are primarily needle valves with a down stream vent. The Single Block & Bleed Gauge Valves are used with equipment like static pressure gauges and instrument installation in numerous purposes like isolation and venting.
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bleed valve
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Bleed Valves
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• Available in Material SS316 • Material Traceable to certified material test report • Compact and convenient installation • Vent tube design prevents accidental removal of the stem • Vent tube directs excess liquid or gas from system line • Flow coefficient (Cv) 0.25 • Orifice size 0.125" (3.20mm) • Variety of end configurations includes Male NPT, BSPT and SAE pipe connections • Available Size : 18" to 12" Pipe Thread • Every valve is factory tested
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Double Block Bleed Valve
1,800 Per Piece
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Double Block Bleed Ball Valve
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bleed valve
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BLOCK AND BLEED VALVE
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Features It is a combination of needle & manifold valves thus redusing the number of joints. Spindle : ground and thread rolled.stem tip 17-4ph for long life. Dust cap protects stem threads from external contamination leak tight seal with low operating torque heat code traceability ball hard chrome plated for smooth opertions. Testing Hydrostatic shell test is performed at 1.5 times the working pressure. Standard Test : each valves is tested with nitrogen at 1,000 psi for seat & packing leakage, with a max. Allowable leak rate of 0 .1 std. Cm3 / min. Optional test are available upon request Testing Molybdenum disulphide (mos2)
Bleed Valves
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L&T Valves manufactures a wide range of butterfly control valves for the power and hydrocarbon industries.The valves are designed using state-of-the-art 3D design, simulation and analysis software. Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) are used to fine-tune product performance. Rigorous prototype tests - both in-house and at advanced flow-control research establishments - ensure that the customised solutions meet customer expectations. Butterfly Control Valves, ideal for high flow-rate applications, are available in ASME classes 150 and 300, in sizes up to 24" (600 mm). Butterfly Control Valves are built on the SIL-3 capable Triple-offset Butterfly Valves that provide bidirectional bubble-tight sealing. The control valve offers flow characteristics close to linear making it ideal for both control and on-off services. Range 1. ASME classes from 150 and 300 2. Sizes up to 24" (600 mm) L&T Butterfly Control Valves are offered in a variety of body styles, materials and actuation options to meet customer requirements. Actuator Options 1. Pneumatic 2. Hydraulic 3. Electrical Features 1. Bidirectional bubble-tight sealing 2. Triple-offset geometry - low wear-and-tear, low torque 3. Metal-to-metal seats 4. Longer service life 5. Anti-blowout shaft 6. Suitable for temperatures up to 538�C (1000�F) 7. Meets ISO 15848-1 Class A Fugitive Emission & NACE: MR0175 requirements 8. Can be offered with Valve Diagnostic Software to monitor and enhance valve/ process performance Compliance Standards 1. Design - API 609 (Category B) 2. Pressure Temperature Rating - ASME B16.34 3. Leakage Class - ANSI/ FCI 70-2 4. Systematic Integrity (SIL) - IEC 61508 Download Catalogue Butterfly Control Valves Double Block & Bleed Valves L&T Valves manufactures a comprehensive range of Double Block & Bleed (DBB) Plug Valves in sizes up to 30" (750 mm), and in ASME classes from 150 to 600. The valves are offered in a combination of materials and actuation options to suit customer requirements. The highly reliable valve has successfully completed over 10,000 cycles at its rated pressure. Double Block & Bleed Plug Valve provides online-verifiable bubble tight sealing and is a safe and reliable replacement to the conventional two-valve system. In this valve, high integrity positive shut-off is obtained mechanically, independent of line pressure, without sealants/ lubricants. Globally, the valve has emerged as the industry standard for movement and storage of petroleum products in refineries, petrochemical plants pipelines, tank farms and terminals. In-house Test Facilities 1. Antistatic Test 2. Drive-train Strength Test 3. Endurance Test 4. Fire Test 5. Fugitive Emission Test 6. Torque Test The quality management system has been certified to comply with 1. ISO 9001: 2008 2. API Spec Q1 Established processes control all stages of manufacture to ensure quality consistent with international standards and customer requirements. A world-class manufacturing and QA infrastructure guarantees that each DBB Plug Valve delivers reliable performance. Dimensional accuracy and consistency are obtained using CNC and Special Purpose Machines. International health, safety and environment standards govern every phase of the manufacturing process. The plants are zero discharge units and are pioneers in green initiatives. Compliance Standards DBB Plug Valves are designed in accordance with key international standards. They also meet the requirements of major hydrocarbon industry standards and customer specifications.
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