3VBD Series Needle Manifold Valves (ID=289)

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 NumberConnection SizeBoreCVWeight
(in.) (mm) (lbs.) (Kg)
3VBD4NS-TM 1/2" NPT 0.16 4.0 0.60 3.53 1.60

Item NumberDescriptionMaterialQuantity
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


Region:North America
Location of United States: US: LooKupArray ( [userLocation] => US [userRegion] => North America )