Secure Checkout

Union Fittings


Union Fittings
Description

ACL manufactures and supplies a comprehensive range of hygienic union fittings for use in the Food & Beverage and Dairy industries. The union range covers all major international hygienic standards including BS/RJT, DIN, SMS, IDF and DS, ensuring compatibility across global process systems.

Each union system consists of a male fitting, a nut, a liner (weld end) and a gasket, providing a fully demountable, hygienic connection. All fittings are produced from high-quality 316L stainless steel as standard, with surface finishes equal to or better than those specified in the relevant standards. Full traceability is provided via laser marking and 3.1 material certification is available online.

Specifications
  • Standards: BS 4825 Part 4 (RJT), DIN 11851, SMS 1145, IDF, DS
  • Surface finish: 0.8Ra µm minimum
  • Materials comply with AD2000 (PED) and ASME VIII
  • 3.1 material certification available
Features
  • Comprehensive range covering RJT, DIN, SMS, IDF and DS hygienic union standards
  • Fully demountable — easy to clean, inspect and maintain
  • Produced from 316L stainless steel as standard
  • Surface finish to 0.8Ra µm or better as standard
  • Full laser marking for traceability
  • 3.1 material certification available online
  • Declaration of Conformity issued as standard
  • Bespoke configurations available on request
Materials
  • Material: 316L Stainless Steel as standard
  • Alternative materials available on request
Industry
PART#
Product
Name
Standard Type Size Imperial Size Metric Size ISO Size 2 Imperial Size 2 Metric Flange Flange 1 Gender Material Connection
Add
To Cart
LIST
PRICE
DS Union (1") | Male Thread Liner / Nipple | 316L DS Male Thread Liner / Nipple 1" 316L
dimensional image
View Page
DS Union (1") | Male Thread Liner / Nipple | 316L Legacy Part Number IE:   NI.DS.0100 Legacy Part Number UK:   NI.DS.0100 Legacy Part Number DK:   NIDS0100
Dimensional Image Key:
  • • Length (C) mm:  18.5
  • • Flange (A) mm:  12
  • • Flange (A) in:  0.47"
  • • OD 1 (D) mm:  025
  • • ID (E) mm:  22.60
  • • OD 2 (H) mm:  44
  • • OD (H) mm:  25
  • • ID (D) mm:  22.6
  • • ID (E) in:  0.89"
  • • Length (C) in:  0.73"
  • • OD 1 (D) in:  0.98
  • • OD 2 (H) in:  0.98"
  • • OD (H) in:  1.73"
  • • ID (D) in:  0.89"
  • • ID (mm):  22.6
DS Union (1 1/2") | Male Thread Liner / Nipple | 316L DS Male Thread Liner / Nipple 1 1/2" 316L
dimensional image
View Page
DS Union (1 1/2") | Male Thread Liner / Nipple | 316L Legacy Part Number IE:   NI.DS.0150 Legacy Part Number UK:   NI.DS.0150 Legacy Part Number DK:   NIDS0150
Dimensional Image Key:
  • • Length (C) mm:  20
  • • Flange (A) mm:  12
  • • Flange (A) in:  0.47"
  • • OD 1 (D) mm:  038
  • • ID (E) mm:  35.60
  • • OD 2 (H) mm:  58
  • • OD (H) mm:  38
  • • ID (D) mm:  35.6
  • • ID (E) in:  1.4"
  • • Length (C) in:  0.79"
  • • OD 1 (D) in:  1.5
  • • OD 2 (H) in:  1.5"
  • • OD (H) in:  2.28"
  • • ID (D) in:  1.4"
  • • ID (mm):  35.6
DS Union (2") | Male Thread Liner / Nipple | 316L DS Male Thread Liner / Nipple 2" 316L
dimensional image
View Page
DS Union (2") | Male Thread Liner / Nipple | 316L Legacy Part Number IE:   NI.DS.0200 Legacy Part Number UK:   NI.DS.0200 Legacy Part Number DK:   NIDS0200
Dimensional Image Key:
  • • Length (C) mm:  20
  • • Flange (A) mm:  12
  • • Flange (A) in:  0.47"
  • • OD 1 (D) mm:  051
  • • ID (E) mm:  48.60
  • • OD 2 (H) mm:  72
  • • OD (H) mm:  51
  • • ID (D) mm:  48.6
  • • ID (E) in:  1.91"
  • • Length (C) in:  0.79"
  • • OD 1 (D) in:  2.01
  • • OD 2 (H) in:  2.01"
  • • OD (H) in:  2.83"
  • • ID (D) in:  1.91"
  • • ID (mm):  48.6
DS Union (2 1/2") | Male Thread Liner / Nipple | 316L DS Male Thread Liner / Nipple 2 1/2" 316L
dimensional image
View Page
DS Union (2 1/2") | Male Thread Liner / Nipple | 316L Legacy Part Number IE:   NI.DS.0250 Legacy Part Number UK:   NI.DS.0250 Legacy Part Number DK:   NIDS0250
Dimensional Image Key:
  • • Length (C) mm:  24
  • • Flange (A) mm:  16
  • • Flange (A) in:  0.63"
  • • OD 1 (D) mm:  063
  • • ID (E) mm:  60.30
  • • OD 2 (H) mm:  88
  • • OD (H) mm:  63.5
  • • ID (D) mm:  60.3
  • • ID (E) in:  2.37"
  • • Length (C) in:  0.94"
  • • OD 1 (D) in:  2.5
  • • OD 2 (H) in:  2.5"
  • • OD (H) in:  3.46"
  • • ID (D) in:  2.37"
  • • ID (mm):  60.3
DS Union (3") | Male Thread Liner / Nipple | 316L DS Male Thread Liner / Nipple 3" 316L
dimensional image
View Page
DS Union (3") | Male Thread Liner / Nipple | 316L Legacy Part Number IE:   NI.DS.0300 Legacy Part Number UK:   NI.DS.0300 Legacy Part Number DK:   NIDS0300
Dimensional Image Key:
  • • Length (C) mm:  24
  • • Flange (A) mm:  20
  • • Flange (A) in:  0.79"
  • • OD 1 (D) mm:  076
  • • ID (E) mm:  72.10
  • • OD 2 (H) mm:  100
  • • OD (H) mm:  76.1
  • • ID (D) mm:  72.1
  • • ID (E) in:  2.84"
  • • Length (C) in:  0.94"
  • • OD 1 (D) in:  3
  • • OD 2 (H) in:  3"
  • • OD (H) in:  3.94"
  • • ID (D) in:  2.84"
  • • ID (mm):  72.1
DS Union (4") | Male Thread Liner / Nipple | 316L DS Male Thread Liner / Nipple 4" 316L
dimensional image
View Page
DS Union (4") | Male Thread Liner / Nipple | 316L Legacy Part Number IE:   NI.DS.0400 Legacy Part Number UK:   NI.DS.0400 Legacy Part Number DK:   NIDS0400
Dimensional Image Key:
  • • Length (C) mm:  24
  • • Flange (A) mm:  20
  • • Flange (A) in:  0.79"
  • • OD 1 (D) mm:  101
  • • ID (E) mm:  97.60
  • • OD 2 (H) mm:  130
  • • OD (H) mm:  101.6
  • • ID (D) mm:  97.6
  • • ID (E) in:  3.84"
  • • Length (C) in:  0.94"
  • • OD 1 (D) in:  4
  • • OD 2 (H) in:  4"
  • • OD (H) in:  5.12"
  • • ID (D) in:  3.84"
  • • ID (mm):  97.6
DS Union (1") | Blind Nut | 316L DS Blind Nut 1" 316L
dimensional image
View Page
DS Union (1") | Blind Nut | 316L Legacy Part Number IE:   BO.DS.0100 Legacy Part Number UK:   BO.DS.0100 Legacy Part Number DK:   BODS0100
Dimensional Image Key:
  • • Length (C) mm:  20
  • • OD (H) mm:  44
  • • Length (C) in:  0.79"
  • • OD 2 (H) in:  1.73"
  • • ID (H) in:  1.73
DS Union (1 1/2") | Blind Nut | 316L DS Blind Nut 1 1/2" 316L
dimensional image
View Page
DS Union (1 1/2") | Blind Nut | 316L Legacy Part Number IE:   BO.DS.0150 Legacy Part Number UK:   BO.DS.0150 Legacy Part Number DK:   BODS0150
Dimensional Image Key:
  • • Length (C) mm:  20
  • • OD (H) mm:  58
  • • Length (C) in:  0.79"
  • • OD 2 (H) in:  2.28"
  • • ID (H) in:  2.28
DS Union (2") | Blind Nut | 316L DS Blind Nut 2" 316L
dimensional image
View Page
DS Union (2") | Blind Nut | 316L Legacy Part Number IE:   BO.DS.0200 Legacy Part Number UK:   BO.DS.0200 Legacy Part Number DK:   BODS0200
Dimensional Image Key:
  • • Length (C) mm:  22
  • • OD (H) mm:  72
  • • Length (C) in:  0.87"
  • • OD 2 (H) in:  2.83"
  • • ID (H) in:  2.83
DS Union (2 1/2") | Blind Nut | 316L DS Blind Nut 2 1/2" 316L
dimensional image
View Page
DS Union (2 1/2") | Blind Nut | 316L Legacy Part Number IE:   BO.DS.0250 Legacy Part Number UK:   BO.DS.0250 Legacy Part Number DK:   BODS0250
Dimensional Image Key:
  • • Length (C) mm:  24
  • • OD (H) mm:  88
  • • Length (C) in:  0.94"
  • • OD 2 (H) in:  3.46"
  • • ID (H) in:  3.46
DS Union (3") | Blind Nut | 316L DS Blind Nut 3" 316L
dimensional image
View Page
DS Union (3") | Blind Nut | 316L Legacy Part Number IE:   BO.DS.0300 Legacy Part Number UK:   BO.DS.0300 Legacy Part Number DK:   BODS0300
Dimensional Image Key:
  • • Length (C) mm:  25
  • • OD (H) mm:  100
  • • Length (C) in:  0.98"
  • • OD 2 (H) in:  3.94"
  • • ID (H) in:  3.94
DS Union (4") | Blind Nut | 316L DS Blind Nut 4" 316L
dimensional image
View Page
DS Union (4") | Blind Nut | 316L Legacy Part Number IE:   BO.DS.0400 Legacy Part Number UK:   BO.DS.0400 Legacy Part Number DK:   BODS0400
Dimensional Image Key:
  • • Length (C) mm:  28
  • • OD (H) mm:  130
  • • Length (C) in:  1.1"
  • • OD 2 (H) in:  5.12"
  • • ID (H) in:  5.12