Subtotal: $0.00
3VBD Series Needle Manifold Valves
Direct Mounted 3-Valve, 6,000 psi
Direct mounted 3 valve manifold, instrument mount to pipe connection. Offering two isolation valves, and one equalising valve for differential pressure transmitter or static instrument applications. This slim, compact 3 valve manifold offers all the features of Alco's high integrity needle valve head design incorporated in one common instrument manifold block that mounts directly to an instrument.
- Compact bodied instrument manifold block
- All valves have 2 piece non-rotating hardened (17-4PH) tips as standard for first time seal and long service life
- Bubble tight shut off
- Positive no slack stem action
- Supplied with bolt pack and PTFE seals as standard
- Metal to metal body bonnet seal for high pressure and high temperature sealing
- Full material traceability
- Temperature range -40°C to 230°C
- Available in 316/316L stainless steel
- 54mm (2 1/8") instrument centers
- Repair/service kits available to extend service life further
- Base mounting holes to allow fixing to enclosure or mounting boss
- Materials of construction supplied to meet the requirements of NACE MR 0175
3VBD Series Direct Mounted Needle Manifold Valves
Part Number | Connection Size | Bore | CV | Weight | ||
---|---|---|---|---|---|---|
(in.) | (mm) | (lbs.) | (Kg) | |||
3VBD4NS-TM | 1/2" NPT | 0.16 | 4.0 | 0.60 | 3.53 | 1.60 |


Item Number | Description | Material | Quantity |
---|---|---|---|
1 | Valve Body | A479 UNS S31600 | 1 |
2 | Handle Bolt | A4 ST/ST | 3 |
3 | "T" Handle | UNS S31600 | 3 |
4 | Gland Adjuster | UNS S31600 | 3 |
5 | Packing | RTFE | 12 |
6 | Valve Tip | A564 UNS S17400 | 3 |
7 | Needle Stem | A479 UNS S31600 | 3 |
8 | Gland Locknut | UNS S31600 | 3 |
9 | Bonnet Housing | A479 UNS S31600 | 3 |
10 | Bonnet Seal | UNS S31600 | 3 |
11 | Isolate Dust Cap | PVC | 2 |
12 | Equalize Dust Cap | PVC | 1 |
13 | Cam Screw | A4 ST/ST | 3 |
14 | Locking Cam | UNS S31600 | 3 |