Reducing Union Fitting

Double Ferrule Stainless Steel Compression Fittings have been designed and developed to meet the demands for reliability and high precision standards. The fittings range includes Imperial and Metric sizes.

AVAILABLE FEATURES
UNI Directional Flow
Bi Directional Flow
Servicing Kits
Severe Temp Rating
NACE Approved
PSV8 Approved
Specifications & Ratings
The compression fittings range is suitable for a wide range of high pressure applications. All components are made from the same material and the range features impulse and vibration resistance, repeated make and break connections and silver plated nut threads to prevent galling.
Valve Types
Compression Fittings (Single & Twin Ferrule)
Temperature Rating
Up to 537°C
Bore Size
3mm - 21mm
Connection Size
6mm - 12mm,1/4" - 1"
Inlets
  • NPT
  • BSPP
  • BSPT
  • Butt Weld
  • Socket Weld
  • Single & Twin Ferrule
Outlets
  • NPT
  • BSPP
  • BSPT
  • Butt Weld
  • Socket Weld
  • Single & Twin Ferrule
Handles
Not Applicable
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
  • Ali Bronze - NES 833
  • Alloy 825
  • Alloy 400
  • Alloy 625
  • F55 - S32760
  • F51 - S31803
  • F53 - S32750
  • F44 - S31254
  • 904L
  • Alloy C276
  • Titanium
  • Alloy 20
Bolting Materials
Not Applicable
Material Traceability
Yes
Testing & Design Standards
All Alco Valves Group products are designed to comply with or exceed internationally recognised products. API 598 approved tested.
Testing Standards
DN N° 5-792.20 DNV Spec
Design Specifications
BS7993:2011
Fire Safe Standards
Not Applicable
Relevant Approvals
Customer specifications can be adhered to.