OB Series Needle Valve

The ‘OB’ Series features considerably less pressure drop and flow restriction than a standard needle valve due to the near-straight bore through the valve. Operator friendly due to the angled head unit and handle. Particularly good for use with heavy or viscous fluids.

Bi Directional Flow
Severe Temp Rating
NACE Approved
Specifications & Ratings
The in-line oblique needle valve includes 6,000 psi and 10,000 psi versions. Available in Male x Female and Female x Female versions. Options such as hand wheel and locking device available.
Valve Types
Single Isolate
Pressure Rating
6000 - 10,000 psi
Temperature Rating
-40°C up to 230°C
Bore Size
Connection Size
1/4" - 3/4"
  • NPT
  • BSPP
  • BSPT
  • NPT
  • BSPP
  • BSPT
  • T Bar
  • Handwheel
  • Lockable
Material Options
Materials of manufacture are 316 SS as standard with other material options available.
Material Construction
  • Stainless Steel 316
  • Monel
  • Duplex
  • Super Duplex
  • 6Mo
  • Titanium
  • Hastalloy
  • Zirconium
  • Inconel
  • Incoloy
  • Carbon Steel
  • Ali Bronze
  • Brass
  • Other Materials can be made available upon request
Trim Material
  • Options available upon request.
Bolting Materials
Not Applicable
Material Traceability
Testing & Design Standards
All Alco Valves Group products are designed to comply with or exceed internationally recognised products. API 598 approved tested.
Testing Standards
API 598
Design Specifications
MSS SP 99 and others.
Fire Safe Standards
Not Applicable
Relevant Approvals
Customer specifications can be adhered to.