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Double Block and Bleed Valve and Product Lineup
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DBB Overview Needle Valve
01. Heavy Duty Valves

Double Block & Bleed Valves (DBB)

Full Bore & Reduced Bore Design – Flanged Ends | Pressure Ratings #300, #600, #900, #1500

#300 – #1500 ½" to 6" SS316 / Inconel Floating & Trunnion

Technical Specs

  • Materials: SS304, SS316, Incoloy 825, Inconel 625
  • Ends: Flanged RF / RJ
  • Features: Primary & Secondary isolation

Applications

  • Petrochemical refinery lines
  • Offshore oil drilling platforms
  • High-pressure chemical isolation

DBB Dimensional & Specification Data Chart (Floating Type)

Size (inch) Valve Type A1 (RF) mm A2 (RJ) mm B mm C mm H mm Weight (kg) Figure N°
1/2" FLOATING 208 — 14 225 110 6.5 1-6333R
3/4" FLOATING 215 — 20 228 112 9.5 1-6444R
1" FLOATING 230 240 25.4 233 116 12.0 1-6555R
1-1/2" FLOATING 282 292 38 305 135 18.0 1-6777R
2" FLOATING 330 340 49 310 145 23.0 1-C688R
3" FLOATING 390 400 76 520 190 43.0 1-EVMMR
4" FLOATING 440 450 100 535 210 83.0 1-ENDNR
6" FLOATING 630 640 150 670 260 149.0 1-EPPRR
ISO-7241-B Quick Release Couplings Pair ISO Standard
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Coupler Pair CAD Cutaway Female Socket Male Plug Socket Body Poppet Nipple
02. Quick Connectors

ISO-7241-B Quick Release Couplings

Double shut-off couplings compatible with BSP & NPT threads. Precision built for leak-free operation.

300 Bar DN 6.3 – 25 SS304 / SS316 Zero Spill

Technical Specs

  • Materials: Stainless SS304, SS316
  • Threads: BSP / NPT Female
  • System: Ball-locking sleeve

Key Features

  • Poppet valves prevent uncoupled spillage
  • Corrosion resistant SS construction
  • High impulse pressure durability

ISO-7241-B Specification & Part Number Matrix

DN mm Size (inch) Thread Type Plug Part No. Socket Part No. LP mm LS mm S1 mm S2 mm Dia D mm Dia C mm Max Press (Bar) Min Burst (Bar)
6.3 1/4" 1/4" BSP U00MAFB/BA U00FAFB/BA 36.0 57.5 22 19 27 72.0 250 1000
10.0 3/8" 3/8" BSP U00MBFB/BB U00FBFB/BB 39.0 72.0 27 24 34 80.0 250 1000
13.0 1/2" 1/2" BSP U00MCB/FBC U00FCB/FBC 47.0 76.0 35 32 40 93.0 250 1000
20.0 3/4" 3/4" BSP U00MDB/FFE U00FDB/FBE 56.3 91.5 41 36 48 110.0 300 1000
25.0 1" 1" BSP U00MEB/FBF U00FEB/FBF 64.0 98.0 50 41 58 129.0 300 1000
Precision Stainless Steel Needle Valve 10K PSI
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Needle Valve Valve System
03. Flow Controllers

Precision Instrumentation Needle Valves

Instrumentation flow adjustment needle valves with Male & Female connection ends up to 10,000 PSI.

#300 – #1500 1/8F to 1"F SS316 T-Bar Handle

Construction BOM

  • Spindle/Body: ASTM A276 Gr.316
  • Bonnet: ASTM A276 Gr.316
  • Packing: PTFE (260°C) / Grafoil (550°C)

Pressure Ratings

  • Working Press: 413 Bar / 6000 PSI
  • High Pressure: Up to 10,000 PSI

Needle Valve Standard Dimensions & Part Number Chart

Part No. IN Thread OUT Thread Orifice mm Sq. S mm L mm C mm O mm CV Rating
SBNV-S-2F 1/8" F 1/8" F 4.0 20.0 40.0 55.0 61.0 0.35
SBNV-S-4F 1/4" F 1/4" F 4.0 25.0 55.0 71.5 76.5 0.35
SBNV-S-6F 3/8" F 3/8" F 4.0 25.0 55.0 71.5 76.5 0.35
SBNV-S-8F 1/2" F 1/2" F 6.0 28.5 62.0 71.5 76.5 0.85
SBNV-S-12F 3/4" F 3/4" F 6.0 38.0 62.0 71.5 76.5 0.85
SBNV-S-16F 1" F 1" F 8.0 42.0 80.0 82.0 87.0 1.20
High Pressure Sealant Injector and Check Valve 10,000 PSI
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Sealant Injector Injector Cap View
04. Emergency Sealing

High Pressure Sealant Injectors

Specialized injectors engineered for emergency line packing and stem sealing under full pipeline pressure.

High Pressure 1/4" - 1" NPT Inconel Spring Tungsten Ball

Internal Components

  • Spring: INCONEL X-750 heavy duty
  • Check Ball: Tungsten Carbide
  • Sealing: High-purity Graphite

Purpose & Safety

  • Emergency stem packing injection
  • Prevents hazardous pipeline leaks
  • Pressure rated to 10,000 PSI

Sealant Injector Size & Length Specifications (10,000 PSI)

SR No. Thread Size (NPT) Overall Length (L) Internal Check Valve Pressure Rating
1 1/4" NPT 52 mm Tungsten Ball + Inconel Spring 10,000 PSI
2 3/8" NPT 52 mm Tungsten Ball + Inconel Spring 10,000 PSI
3 1/2" NPT 52 mm Tungsten Ball + Inconel Spring 10,000 PSI
4 3/4" NPT 52 mm Tungsten Ball + Inconel Spring 10,000 PSI
5 1" NPT 52 mm Tungsten Ball + Inconel Spring 10,000 PSI
Drain Vent Bleed Protection Fitting 10,000 PSI
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Bleeder Upright Bleeder Fitting Bleeder Cap
05. Vent & Bleed Plugs

Drain/Vent Plug-Bleeders

High-pressure bleeders equipped with Tungsten Carbide Ball and ASTM A182 F316L Spindle & Body.

10,000 PSI F316L Body 1/4" to 1" NPT Carbide Seat

Material Grade

  • Body & Spindle: ASTM A182 F316L
  • Seat Ball: Tungsten Carbide
  • Port Threads: NPT / BSP

Performance

  • Safe line pressure bleeding
  • Prevents end cap blowouts
  • High temperature resistance

Drain/Vent Plug-Bleeder Size & Specification Table

SR No. Thread Size (NPT) Length (L) Internal Seat Ball Body Material
1 1/4" NPT 45 mm Tungsten Carbide Ball ASTM A182 F316L
2 3/8" NPT 45 mm Tungsten Carbide Ball ASTM A182 F316L
3 1/2" NPT 45 mm Tungsten Carbide Ball ASTM A182 F316L
4 3/4" NPT 45 mm Tungsten Carbide Ball ASTM A182 F316L
5 1" NPT 45 mm Tungsten Carbide Ball ASTM A182 F316L
Hex Union Joint Double Nipple CNC Machined
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Hex Union Union with Caps
06. Pipe Fittings

Heavy Duty Hex Union Joints

Heavy-duty CNC machined double nipple union connector designed for high-stress hydraulic lines.

6000 PSI BSP / NPT SS316 / Monel Double Nipple

Machining Grade

  • Material: Solid SS316 or Monel 400
  • Process: High-precision CNC Turning
  • Pressure Rating: 6,000 PSI

Connection Type

  • Double nipple male hex joint
  • Extreme vibration damping
  • Compatible with BSP/NPT threads

Hex Union Joint Specifications & Material Data

SR No. Port Size (inch) Thread Type Max Pressure (PSI) Standard Material
1 1/4" NPT / BSP Double Male Hex Nipple 6,000 PSI Stainless Steel SS316 / Monel 400
2 3/8" NPT / BSP Double Male Hex Nipple 6,000 PSI Stainless Steel SS316 / Monel 400
3 1/2" NPT / BSP Double Male Hex Nipple 6,000 PSI Stainless Steel SS316 / Monel 400
4 3/4" NPT / BSP Double Male Hex Nipple 6,000 PSI Stainless Steel SS316 / Monel 400
5 1" NPT / BSP Double Male Hex Nipple 6,000 PSI Stainless Steel SS316 / Monel 400
Thread Adapter with Dust Cap Dust Protected
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1/2 BSP Adapter Translucent Cap Red Port Cap
07. Port Adapters

Female Thread Adapters with Dust Cap

1/2 BSP female threaded connector fitted with heavy protective dust seal cap for hydraulic port integrity.

1/2" BSP Dust Cap Included SS316 Zero Leakage

Protection Features

  • Dust Cap: Heavy polymer protective seal cap
  • Port Protection: Prevents dirt/debris intrusion
  • Thread: 1/2" BSP Female

Quality Standard

  • CNC turned SS316 body
  • High pressure rated
  • Smooth sealing surface

Thread Adapter & Dust Cap Specification Data

SR No. Port Size Thread Standard Protection Cap Included Body Material
1 1/2" Female Port BSP / NPT Yes (Heavy Dust Protection Cap) Stainless Steel SS316
Hydraulic Sleeve Coupler High Pressure
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Sleeve Coupler Sleeve Socket
08. Heavy Sleeve Connectors

Heavy Duty Hydraulic Sleeve Couplings

Extreme pressure hydraulic sleeve coupling connector with dual protective dust seal plugs.

10,000 PSI Dual Dust Plugs SS316 / Alloy CNC Machined

Design Highlights

  • Structure: Precision turned locking sleeve
  • Protection: Blue polymer seal end caps
  • Sealing: High integrity O-ring & backup rings

Applications

  • Hydraulic Power Units (HPU)
  • Heavy industrial pressing equipment
  • Offshore umbilical & manifold lines

Hydraulic Sleeve Coupling Specification Data

SR No. Sleeve Model Thread / Port Type Working Pressure Standard Material
1 SYS-SLC-04 1/4" BSP / NPT 700 Bar / 10,000 PSI SS316 / High-Grade Alloy
2 SYS-SLC-06 3/8" BSP / NPT 700 Bar / 10,000 PSI SS316 / High-Grade Alloy
3 SYS-SLC-08 1/2" BSP / NPT 700 Bar / 10,000 PSI SS316 / High-Grade Alloy
4 SYS-SLC-12 3/4" BSP / NPT 500 Bar / 7,250 PSI SS316 / High-Grade Alloy
5 SYS-SLC-16 1" BSP / NPT 450 Bar / 6,500 PSI SS316 / High-Grade Alloy
Product Specifications FAQ

Industrial Valves & Fittings Q&A

Technical details, pressure ratings, sizing standards, and material compliance for our product lines.

Our DBB valves replace traditional multi-valve hookups with a single compact body containing two inline isolation valves and an intermediate bleed valve. Benefits include:

  • Up to 70% weight and space reduction on offshore platforms and skids.
  • Significant reduction in potential leak paths compared to traditional flanged assemblies.
  • True bubble-tight zero-leakage isolation for positive safety during maintenance.

While ISO 7241-A is widely used in agricultural machinery, ISO 7241-B is the heavy industrial, aerospace, and oil & gas standard designed for higher flow rates, extreme impulse pressures, and robust corrosion resistance with Stainless Steel 316 and hardened ball locks.

Yes. Our Bhiwandi plant operates high-precision multi-axis CNC turning and machining centers capable of delivering customized fittings, specialized thread adapters, manifolds, and valve bodies in Inconel, Incoloy, Monel, Duplex, SS316, and Brass based on custom CAD drawings or samples.

Every shipment is accompanied by EN 10204 Type 3.1 Material Test Certificates, Hydrostatic & Pneumatic Pressure Test Reports, PMI (Positive Material Identification) reports, and ISO 9001:2015 inspection compliance certificates.

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