Isolation valves & Monoflange-DBB (needle, ball, DBB, gauge root)

Safe Isolation for Hydraulic & Instrument Lines

High-performance isolation valves and manifolds designed for safe isolation of hydraulic and instrumentation lines in industrial applications. Featuring leak-tight shutoff and wide pressure ratings for reliable performance in critical systems.

Leak-Tight Isolation

Engineered for bubble-tight shutoff to ensure safe isolation of process fluids during maintenance, calibration, or emergency shutdown.

Wide Pressure Ratings

Available in pressure ratings from vacuum to 10,000 PSI to accommodate various hydraulic and instrumentation system requirements.

Valve Types

Needle Valves
Precise flow control with fine adjustment for instrumentation and sampling applications.
Ball Valves
Quarter-turn operation for quick on/off service in hydraulic and process lines.
DBB Valves
Double Block & Bleed valves for safe isolation with bleed port for pressure verification.
Gauge Root Valves
Isolation valves for pressure gauges and instruments with integral bleed for calibration.
Individual Valves
Standalone Isolation
  • Flexible installation
  • Easy maintenance
  • Cost-effective
  • Simple replacement
Valve Manifolds
Integrated Systems
  • Compact design
  • Reduced leakage points
  • Simplified piping
  • Enhanced safety
Safe Isolation
Bubble-tight shutoff for safe maintenance and emergency isolation
Wide Pressure Range
From vacuum to 10,000 PSI for various system requirements
Multiple Valve Types
Needle, ball, DBB, and gauge root valves for different applications
Individual & Manifolds
Standalone valves or integrated manifold blocks
Valve Types
Needle, Ball, DBB, Gauge Root
Pressure Ratings
Vacuum to 10,000 PSI
Temperature Range
-20°F to 450°F (-29°C to 232°C)
Body Materials
316 SS, Carbon Steel, Alloy Steel

Configurations & Options

Contact our technical team for application-specific valve selection and manifold design.

Technical Specifications
Features & Benefits
Applications
Documentation

Detailed Technical Specifications

Specification Needle Valves Ball Valves DBB Valves Gauge Root Valves
Primary Function Precise flow control Quick on/off isolation Double isolation with bleed Instrument isolation
Pressure Rating Up to 10,000 PSI Up to 6,000 PSI Up to 10,000 PSI Up to 6,000 PSI
Temperature Range -20°F to 450°F -20°F to 400°F -20°F to 450°F -20°F to 400°F
Connection Types 1/8" to 1" NPT, SWAGELOK 1/4" to 2" NPT, Flanged 1/4" to 1" NPT, SAE 1/4" to 1/2" NPT
Body Materials 316 SS, Brass, Alloy Steel 316 SS, Carbon Steel 316 SS, Alloy Steel 316 SS, Brass
Seat Materials PTFE, PEEK, Metal PTFE, Reinforced PTFE Metal, PTFE PTFE, Buna-N
Stem Packing Graphite, PTFE O-ring, PTFE Graphite, PTFE PTFE, Grafoil
Flow Characteristics Linear, Fine adjustment Full port, Quick opening Full port, Isolating Standard port
Leakage Class ANSI/FCI 70-2 Class IV ANSI/FCI 70-2 Class IV ANSI/FCI 70-2 Class IV ANSI/FCI 70-2 Class IV
Operation Manual, Micrometer handle Quarter-turn, Lever/Handle Multi-turn, Dual handles Multi-turn, Integral bleed
End Connections Female, Male, Union Female, Male, Panel mount Female, Union, SWAGELOK Female, Panel mount
Standards Compliance
ASME B16.34, API 6D, ISO 17292
Media Compatibility
Hydraulic oil, Water, Air, Gas, Chemicals
Safety Features
Lockout capability, Bleed ports, Visual indicators
Manufacturing Standards
ISO 9001, Traceability, Material certification

Key Features & Benefits

Multiple Valve Types

Needle, ball, DBB, and gauge root valves available to meet specific isolation and control requirements.

Leak-Tight Isolation

Engineered for bubble-tight shutoff to ensure safe isolation during maintenance, calibration, or emergency shutdown.

Wide Pressure Ratings

Available in pressure ratings from vacuum to 10,000 PSI to accommodate various hydraulic and instrumentation systems.

Individual & Manifold Options

Choose between standalone valves for flexible installation or integrated manifolds for compact system design.

Precision Engineering

Manufactured to tight tolerances with high-quality materials for reliable performance in demanding applications.

Industrial Durability

Designed for harsh industrial environments with corrosion-resistant materials and robust construction.

Valve Type Benefits

Needle Valves
• Precise flow control
• Fine adjustment capability
• Ideal for instrumentation
• Excellent shutoff
Ball Valves
• Quick quarter-turn operation
• Full port design
• Low pressure drop
• Easy maintenance
DBB Valves
• Double isolation safety
• Integral bleed port
• Pressure verification
• Enhanced safety
Gauge Root Valves
• Instrument protection
• Calibration capability
• Integral bleed
• Compact design

Industrial Applications

Isolation valves and manifolds provide critical shutoff capability for safe maintenance, calibration, and emergency isolation in various industrial systems.

Hydraulic Systems

Isolation of hydraulic lines for maintenance, component replacement, and system testing.

Instrumentation Lines

Isolation of pressure gauges, transmitters, and other instruments for calibration and maintenance.

Process Industry

Safe isolation of process lines in chemical, petrochemical, and refining applications.

Wellhead Control Panels

Isolation of hydraulic and instrumentation lines for maintenance and emergency shutdown.

Compressor Stations

Isolation of gas lines, lubrication systems, and instrumentation for maintenance.

Safety Systems

Isolation valves for emergency shutdown systems and fire protection systems.

Technical Documentation

Download detailed specifications, selection guides, and installation manuals.

Product Data Sheet

Complete technical specifications for all valve types and configurations

Valve Selection Guide

Guidelines for selecting appropriate valve types for different applications

Installation & Maintenance

Proper installation, maintenance, and troubleshooting procedures

Manifold Design Guide

Design considerations and dimensional drawings for valve manifolds