Three connection families — Flange-to-Pipe, Flange-to-Flange, and Pipe-to-Pipe — covering every instrument isolation application. SS316 construction, ANSI 150 to 2500 Class, with full NACE MR-0175 sour gas certification.
Flange-to-Pipe · Flange-to-Flange · Pipe-to-Pipe
Stainless Steel 316 construction
ANSI 150 – 2500 Class · PN6 – PN250
NACE MR-0175 Sour Gas Certified
RF · RTJ · BS Flange Faces
Ball · Needle · Combination internals
Integral & Three Piece construction
Fire Safe · Gear Operated · Lock Handle options
Flange-to-Pipe · Flange-to-Flange · Pipe-to-Pipe
Stainless Steel 316 construction
ANSI 150 – 2500 Class · PN6 – PN250
NACE MR-0175 Sour Gas Certified
RF · RTJ · BS Flange Faces
Ball · Needle · Combination internals
Integral & Three Piece construction
Fire Safe · Gear Operated · Lock Handle options
PANAM® Double Block & Bleed valves cover the full instrument isolation spectrum — Flange-to-Pipe, Flange-to-Flange, and Pipe-to-Pipe configurations engineered for primary isolation, pressure transmitter mounting, and process bleed applications. All three families share the same SS316 construction with ball, needle, and combination internal configurations.
Every DBB family is available with NACE MR-0175 sour gas certification, fire-safe construction, lock handle, anti-static, gear-operated, and OS&Y bonnet options. Seat and seal materials cover Carbon Filled PTFE, PCTFE, Delrin, PEEK, PTFE, Grafoil, and FKM.
Technical Specifications
Connection Types
Flange-to-Pipe · Flange-to-Flange · Pipe-to-Pipe
Construction
Integral (One-Piece) · Three Piece (Serviceable)
Pressure Ratings
ANSI 150 – 2500 · PN6 – PN250 · Threaded
Flange Faces
RF · RTJ · BS
Material
Stainless Steel 316
Configurations
Ball-Needle-Ball · Ball-Ball-Ball · Needle · Ball-Needle
Seat Materials
Carbon Filled PTFE · PCTFE · Delrin · PEEK
Seal Materials
PTFE · Grafoil · PCTFE · FKM
Special Service
NACE MR-0175 · Fire Safe · Gear Operated
Double Block & Bleed valves with Flange-to-Pipe construction for primary instrument isolation, pressure transmitter mounting, and process bleed applications. Available in Integral and Three Piece configurations across ANSI 150 to 2500 Class with RF, RTJ, and BS flange faces.
Integral & Three Piece body options
ANSI 150 – 2500 Class · PN6 – PN250
RF · RTJ · BS Flange Faces
Ball-Needle-Ball · Ball-Ball-Ball · Needle · Ball-Needle
NACE MR-0175 · Fire Safe · Gear Operated


Double Block & Bleed valves with Flange-to-Flange construction for inline isolation and DP transmitter applications. Available in Integral and Three Piece configurations. ANSI 150 to 2500 Class plus full PN series, covering RF, RTJ, and BS flange faces.
Integral & Three Piece body options
ANSI 150 – 2500 · PN6 – PN250
RF · RTJ · BS Flange Faces
Ball-Needle-Ball · Ball-Ball-Ball · Needle · Ball-Needle
NACE MR-0175 · Fire Safe · Gear Operated
Double Block & Bleed valves with threaded Pipe-to-Pipe construction for compact instrument isolation and process bleed. Available in NPT, BSPP, and BSPT thread forms across a full range of bore sizes. The most compact DBB configuration for space-critical installations.
Threaded body — NPT · BSPP · BSPT
Compact design for space-critical installations
Ball-Needle-Ball · Ball-Ball-Ball · Needle · Ball-Needle
1/4" to 1" thread sizes
NACE MR-0175 · Fire Safe options

PANAM DBB valves are specified across the full range of process and instrumentation industries wherever safe, reliable isolation and bleed capability is required.
Oil & Gas Production & Processing
Chemical & Petrochemical Plants
Offshore & Subsea Installations
Power Generation
Pressure Transmitter Mounting
LNG & Gas Distribution
Refinery Process Lines
Pipeline Instrumentation
Water & Wastewater Treatment
Pharmaceutical Process Lines
Heat Exchangers & Reactors
Hydraulic & Pneumatic Systems
Need a specific pressure class, connection type, or special service certification? Our technical team responds to instrumentation enquiries within 24 hours.
Contact Technical Team