Double Block & Bleed Needle Valve, Cartridge & Right Angle Types – Technical Guide by Udhhyog
For critical isolation and instrumentation applications, choosing the right needle valve configuration is vital. From double block & bleed (DBB) systems to cartridge and right-angle types, each design offers distinct flow control benefits.
As Delhi’s trusted industrial valve supplier, Udhhyog brings you a technical overview of premium needle valve types used across hydraulic, chemical, and high-pressure systems.
1. Double Block & Bleed Needle Valve (DBB)
A Double Block & Bleed (DBB) valve provides two isolation barriers and a bleed outlet in one compact body. This allows safe maintenance and testing without shutting down the full line.
✅ Features:
Two isolation needles + 1 bleed port
Available in 2-valve and 3-valve configurations
Leak-proof construction with PTFE/metal seat
🔧 Applications:
Instrumentation lines
Chemical dosing
Oil & gas pressure monitoring
Bypass systems in refineries
🔩 Materials & Ratings:
SS 304 / SS 316L / Monel / Duplex
Threaded, flanged or socket weld ends
Pressure: Up to 10,000 PSI
2. Cartridge Type Needle Valve
Cartridge needle valves are compact flow control units designed to be directly inserted into hydraulic manifolds or blocks.
✅ Features:
Minimal footprint
Easy removal and replacement
No external body – fits within a port
🔧 Applications:
Hydraulic power packs
Compact industrial equipment
Test benches
🔩 Specs:
Sizes: ¼” to 1”
Pressure: Up to 5000 PSI
Material: MS / SS 304 / SS 316
3. Right Angle Needle Valve
Right-angle needle valves are L-shaped devices ideal for corner-mounted flow systems or limited space setups.
✅ Features:
90° flow direction
Saves space in control panels
Easy hose routing
🔧 Applications:
Pneumatic gas lines
Instrument air manifolds
Sampling systems
🔩 Technical Info:
Size: ¼” to 1” BSP / NPT
Pressure: 3000 – 6000 PSI
End type: Male / Female threaded, Swagelok
Why Choose Udhhyog for Specialized Needle Valves?
🏭 Valve Configurations Available:
DBB (2-valve / 3-valve / 5-valve types)
Cartridge & block insert valves
Right-angle and globe pattern valves
📦 Stock & Delivery:
Fast dispatch from Delhi
Available in bulk for OEMs and contractors
Delivered to Punjab, Haryana, UP, Rajasthan, J&K within 1–3 days
💰 Best-in-Class Pricing:
Direct-from-manufacturer rates
GST billing & discounts for volume
✅ Quality Standards:
Hydro-tested and certified
Material Test Certificates (MTC) on request
Compatible with ANSI, DIN, and BIS specifications
Udhhyog Needle Valve Price Highlights (2024)
Valve TypeSizeMaterialPrice Range (INR)Double Block & Bleed Valve½"–1"SS 316₹1200 – ₹2500Cartridge Needle Valve¼"–1"SS/MS₹200 – ₹600Right Angle Needle Valve¼"–½"Brass/SS₹220 – ₹450
📥 Request full PDF catalog: https://udhhyog.com/valves
FAQs
Q1: Do DBB needle valves come with vent plugs? Yes, optional vent/bleed plugs or gauge ports available.
Q2: Can I get a cartridge valve with custom thread? Yes, custom BSP/NPT threads available on bulk orders.
Q3: Are all valves tested before dispatch? Absolutely. Hydro & air test conducted before shipping.
How to Order from Udhhyog
📞 Call: +91-XXXXXXXXXX 🌐 Website: https://udhhyog.com 📩 Email: [email protected] / Contact Form
