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DBB 'N' Series Manifold
Double Block & Bleed (Needle-Needle-Needle) 6,000 psi
The Double Block & Bleed Manifold is fully approved to be supplied to many of the major oil companies. The design provides an economical method for mounting gauges with facility to test and calibrate gauges and pressure switches. The DBB 'N' series is a slim-line and compact single piece 3 valve manifold. Both isolation and vent valves incorporate the long service firesafe 'N' series needle valve, graphite multi-ring piston style packing and back sealing facility.
- All valves have 2-piece non-rotating hardened (17-4PH) tips as standard for bubble tight shut off and long service life
- Firesafe design
- Positive no slack stem action
- Metal to metal body bonnet seal for high pressure and high temperature sealing
- Valve flow can be reversed so calibration can be conducted in situ
- Temperature range -40°C to 427°C
- Fine control of venting
- Available in 316/316L stainless steel
- Full material traceability
- Materials of construction supplied to meet the requirements of NACE MR 0175
DBB 'B' Series Manifold
| Part Number | Size | Bore | CV | Weight | ||
|---|---|---|---|---|---|---|
| (in.) | (mm) | (lbs.) | (Kg) | |||
| EDBB-NNN-NV4NS-FS | 1/2" NPT | 0.20 | 5.0 | 0.70 | 4.19 | 1.90 |
15Isolate Dust CapPVC2
| Item Number | Description | Material | Quantity |
|---|---|---|---|
| 1 | Needle Manifold | A479 UNS S31600 | 1 |
| 2 | Blank Plug | A479 UNS S31600 | 1 |
| 3 | "T" Handle | UNS S31600 | 3 |
| 4 | Handle Bolt | A4 ST/ST | 3 |
| 5 | Needle Stem | A479 UNS S31600 | 3 |
| 6 | Gland Adjuster | UNS S31600 | 3 |
| 7 | Gland Locknut | UNS S31600 | 3 |
| 8 | Bonnet Housing | A479 UNS S31600 | 3 |
| 9 | Stem Seal | RTFE | 3 |
| 10 | Gland Packing | Graphite | 12 |
| 11 | Bonnet Seal | UNS S31600 | 3 |
| 12 | Valve Tip | A564 UNS S17400 | 3 |
| 13 | Locking Cam | UNS S31600 | 3 |
| 14 | Cam Screw | A4 ST/ST | 3 |
| 16 | Vent Dust Cap | PVC | 1 |
