Modular Double Block & Bleed (DBB) Valves

These valves offer significant savings in both weight and space as well as reducing installation time and cost. Suitable for isolation of lines, Sampling or chemical injection service the valves can be supplied using ball, Outside Screw and Yoke (OSY), bolted or threaded bonnet needle valves.

Connections can be manufactured that include flanged, threaded, hubbed, compression or welded and are available in single piece or bolted construction.Blockbleed

 

Materials: CS,SS, Monel, Hastalloy, Duplex and High Nickel alloys.
Seat: Metal or soft. Firesafe as standard.
Connections: 1/2” to 8” threaded, welded, flanged or Hubbed.
Bore sizes: 1/4” (6mm) to 8” (200mm)
Pressure (max): Ansi class 2500 - 6,000 psig (414 barg) and API 10K (10,000 psig(690 barg)
Temperature (max): 1000 °F (538 °C)
Design Standards: ASME / ANSI B16.34 / B16.5
Safety Factor: 4:1
NACE MR0175 / ISO 15156 available
Smooth Low Torque Operation

MS2I Block&Bleed Valve 6k/10k

MS2I Block&Bleed Valve 6k/10k

MS2I Series Manifold Valve2 valve Inline ManifoldSize range 1/4 Inch to 1/2 InchPressures range 6,000 to 10,000 psiMaterial 316ss to Super Alloys

 

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MS2B Block&Bleed Valve 6k/10k

MS2B Block&Bleed Valve 6k/10k

MS2B Series Manifold Valve2 valve Block ManifoldSize range 1/4 Inch to1/2 InchPressures range 6,000 to 10,000 psiMaterial 316ss to Super Alloys

 

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MS2D Block&Bleed Valve 6k/10k

MS2D Block&Bleed Valve 6k/10k

MS2D Series Manifold Valve2 valve Direct ManifoldSize range 1/4 inch to 1/2 InchPressures range 6,000 to 10,000 psiMaterial 316ss to Super Alloys

 

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MS2R Block&Bleed Valve 6k/10k

MS2R Block&Bleed Valve 6k/10k

MS2R Series Manifold Valve2 valve Remote ManifoldSize range 1/4 Inch to 1/2 InchPressures range 6,000 to 10,000 psiMaterial 316ss to Super Alloys

 

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DBB Series Barstock Block & Bleed

DBB Series Barstock Block & Bleed

DBB Series Double Block Bleed Valve Ball/Needle/Ball Bar stock DBB Size range 1/4 Inch to 1 Inch Pressures range 6,000 to 10,000 psi Material 316ss to Super Alloys ISOLATING BALL VALVE :- Wide choice of Flange sizes and Pressure ratings. Robust HIGH pressure designed to be maintained Ball Valve has anti-blowout stem for safety Floating ball design for positive shut-off Replaceable seats and seals for extended life NEEDLE VENT VALVE :- Top Sealing Bonnet style NON-Rotating hard tip on bleed valve for effective shut-off Back sealing on the stem and adjustable gland packing Stem Seal below actuating threads to prevent contamination and gauling of threads Metal/Metal bonnet seal for pressure tightness even at elevated temperatures Choice of thread forms 1/4 Inch Bleed Port with pressure plug as standard 316 ss to NACE Specification, Full material traceability

 

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DBN Series Barstock Block & Bleed Needle Valve

DBN Series Barstock Block & Bleed Needle Valve

DBN Series Double Block Bleed Valve Needle/Needle/Needle Bar stock DBB Size range 1/4 Inch to 1 Inch Pressures range 6,000 to 10,000 psi Material 316ss to Super Alloys Top Sealing Bonnet style Wide choice of Thread sizes and Pressure ratings. Robust HIGH pressure design DESIGNED to be maintained 2 piece stem with NON-Rotating tip as standard Hard TIP for effective shut-off and life Low operating torque - back sealing on the stem Smooth 6 turns from OPEN to CLOSE 316 ss to NACE Specification Choice of Block and Bleed or Double Block and Bleed Adjustable gland packing [SNV] or LoTork [LNV] Vent Port with pressure plug as standard Full material traceability Stem Seal below actuating threads to prevent contamination and gauling of threads Metal/Metal bonnet seal for pressure tightness even at elevated temperatures 6,000 psi [Pn 408] and 10,000 psi [Pn 680] Rated

 

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DFB Series Firesafe Integral DBB Valve-Ball Type

DFB Series Firesafe Integral DBB Valve-Ball Type

DFB Series Double Block Bleed Valve Ball/Needle/Ball Flanged DBB Size range 1/4 Inch to 3 Inch Class rating 150 to 2500lb Material 316ss to Super Alloys ISOLATE VALVE :- Wide choice of Flange sizes and Pressure ratings. Robust HIGH pressure designed to be maintained Ball Valve has anti-blowout stem for safety Floating ball design for positive shut-off Replaceable seats and seals for extended life VENT VALVE :- Top Sealing Bonnet style NON-Rotating hard tip on bleed valve for effective shut-off Back sealing on the stem and adjustable gland packing Stem Seal below actuating threads to prevent contamination and gauling of threads Metal/Metal bonnet seal for pressure tightness even at elevated temperatures Choice of Block, Block and Bleed or Double Block and Bleed Bleed Port with socket pressure plug or Tube fitting 316 ss to NACE Specification, Full material traceability

 

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DFN Series Firesafe Integral DBB Valves-Needle Type

DFN Series Firesafe Integral DBB Valves-Needle Type

DFN Series Double Block Bleed Valve Needle/Needle/Needle Flanged DBB Size range 1/4 Inch to 3 Inch Class range 150 to 2500lb Material 316ss to Super Alloys ISOLATE VALVE :- Top Sealing Bonnet style Wide choice of Flange sizes and Pressure ratings. Robust HIGH pressure designed to be maintained OS and Y Primary Isolate Valve optional Large Head assembly for Primary/Secondary Isolate NON-Rotating hard tip for effective shut-off Back sealing on the stem and adjustable gland packing Stem Seal below actuating threads to prevent contamination and gauling of threads Metal/Metal bonnet seal for pressure tightness even at elevated temperatures. Choice of Block, Block and Bleed or Double Block and Bleed 316 ss to NACE Specification, Full material traceability VENT VALVE :- As above but including :- Anti-Tamper Head unit as option Bleed Port with socket pressure plug or Tube fitting

 

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DGB Gemini Series One Piece Firesafe DBB Valve

DGB Gemini Series One Piece Firesafe DBB Valve

DGB Series Double Block Bleed Valve Ball/Needle/Ball Flanged DBB Size range 1/2 inch to 3 Inch Class rating 150 to 2500lb ISOLATE VALVE :- One Piece Body Top Sealing Bonnet style Wide choice of Flange sizes and Pressure ratings. Robust HIGH pressure DESIGNED to be maintained OS and Y Primary Isolate Valve optional> Large Head assembly for Primary/Secondary Isolate NON-Rotating hard tip for effective shut-off Back sealing on the stem and adjustable gland packing Stem Seal below actuating threads to prevent contamination and gauling of threads Metal/Metal bonnet seal for pressure tightness even at elevated temperatures. Choice of Block, Block and Bleed or Double Block and Bleed 316 ss to NACE Specification, Full material traceability

 

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DMB Series Firesafe Modular Block & Bleed Ball Valve

DMB Series Firesafe Modular Block & Bleed Ball Valve

DMB Series Double Block Bleed Valve Ball/Needle/Ball Modular Flanged DBB Size range1/4 Inch to 3 Inch Class rating 150 to 2500lb Material 316ss to Super Alloys ISOLATE VALVE :- Top Sealing Bonnet style Wide choice of Flange and/or thread sizes and Pressure Class or psi/Bar ratings. [MODULAR DESIGN] Robust HIGH pressure DESIGNED to be maintained OS and Y Primary Isolate Valve optional Large Head assembly for Primary Isolate NON-Rotating hard tip for effective shut-off Back sealing on the stem and adjustable gland packing Stem Seal below actuating threads to prevent contamination and gauling of threads Metal/Metal bonnet seal for pressure tightness even at elevated temperatures. Choice of Block, Block and Bleed or Double Block and Bleed 316 ss to NACE Specification, Full material traceability VENT VALVE :- As above but including: - Anti-Tamper Head unit as option Vent/outlet Port can be supplied with OD tube fitting

 

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DMC Series Firesafe Modular Block & Bleed Ball Valve

DMC Series Firesafe Modular Block & Bleed Ball Valve

DMC Series Double Block Bleed Valve Ball/Needle/Ball Chemical Injection DBB Size range 1/4 Inch to 3 Inch; Class rating 150 to 2500lb Material 316ss to Super Alloys ISOLATE VALVE :- Top Sealing Bonnet style Wide choice of Flange and/or thread sizes and Pressure Class or psi/Bar ratings. [MODULAR DESIGN] Robust HIGH pressure DESIGNED to be maintained OS and Y Primary Isolate Valve optional Large Head assembly for Primary Isolate NON-Rotating hard tip for effective shut-off Back sealing on the stem and adjustable gland packing Stem Seal below actuating threads to prevent contamination and gauling of threads Metal/Metal bonnet seal for pressure tightness even at elevated temperatures. Choice of Block, Block and Bleed or Double Block and Bleed 316 ss to NACE Specification, Full material traceability VENT VALVE :- As above but including: - Anti-Tamper Head unit as option Vent/outlet Port can be supplied with OD tube fitting

 

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DMN Series Firesafe Modular Block & Bleed Needle Valve

DMN Series Firesafe Modular Block & Bleed Needle Valve

DMN Series Double Block Bleed Valve Modular Flanged DBB Size range 1/4 Inch to 3 Inch Class rating 150 to 2500lb Material 316ss to Super Alloys ISOLATE VALVE :- Top Sealing Bonnet style Wide choice of Flange and/or thread sizes and Pressure Class or psi/Bar ratings. [MODULAR DESIGN] Robust HIGH pressure DESIGNED to be maintained OS and Y Primary Isolate Valve optional Large Head assembly for Primary Isolate NON-Rotating hard tip for effective shut-off Back sealing on the stem and adjustable gland packing Stem Seal below actuating threads to prevent contamination and gauling of threads Metal/Metal bonnet seal for pressure tightness even at elevated temperatures. Choice of Block, Block and Bleed or Double Block and Bleed 316 ss to NACE Specification, Full material traceability VENT VALVE :- As above but including: - Anti-Tamper Head unit as option Vent/outlet Port can be supplied with OD tube fitting

 

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DMP Series Firesafe Modular Block & Bleed Ball Valve

DMP Series Firesafe Modular Block & Bleed Ball Valve

DMP Series Double Block Bleed Valve Ball/Needle/Ball Sample probe DBB Size range 1/4 Inch to 3 inch Class rating 150 to 2500lb Material 316ss to Super Alloys ISOLATE VALVE :- Top Sealing Bonnet style Wide choice of Flange and/or thread sizes and Pressure Class or psi/Bar ratings. [MODULAR DESIGN] Robust HIGH pressure DESIGNED to be maintained OS and Y Primary Isolate Valve optional Large Head assembly for Primary Isolate NON-Rotating hard tip for effective shut-off Back sealing on the stem and adjustable gland packing Stem Seal below actuating threads to prevent contamination and gauling of threads Metal/Metal bonnet seal for pressure tightness even at elevated temperatures. Choice of Block, Block and Bleed or Double Block and Bleed 316 ss to NACE Specification, Full material traceability VENT VALVE :- As above but including Anti-Tamper Head unit as option Vent/outlet Port can be supplied with OD tube fitting

 

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DFF Series Forged One Piece DBB Ball/Needle Valve

DFF Series Forged One Piece DBB Ball/Needle Valve

DFF Series Double Block Bleed Valve Ball/Needle/Ball Flanged DBB Size range 1/4 Inch to 3 Inch Class rating 150 to 2500lb Material 316ss to Super Alloys ISOLATE VALVE :- Wide choice of Flange sizes and Pressure ratings. Robust HIGH pressure designed to be maintained Ball Valve has anti-blowout stem for safety Floating ball design for positive shut-off Replaceable seats and seals for extended life VENT VALVE :- Top Sealing Bonnet style NON-Rotating hard tip on bleed valve for effective shut-off Back sealing on the stem and adjustable gland packing Stem Seal below actuating threads to prevent contamination and gauling of threads Metal/Metal bonnet seal for pressure tightness even at elevated temperatures Choice of Block, Block and Bleed or Double Block and Bleed Bleed Port with socket pressure plug or Tube fitting 316 ss to NACE Specification, Full material traceability

 

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