Product family

Unions & Threaded Parts

Unions, adaptors, nipples, caps and sight glasses for connecting UPVC lines to each other and to metal equipment. The patented union can be tightened with the Fitvalf handle or by hand.

19 productsPN 16Brass threadsPatented union

Featured product: UPVC Union – Solvent Cement

UPVC UnionSolvent CementDetails → 02

UPVC UnionSolvent Cement × Female ThreadedDetails → 03Photo coming soon UPVC UnionFemale Threaded × Female ThreadedDetails → 04Photo coming soon UPVC Male UnionFemale Socket × Male ThreadedDetails → 05

UPVC Female UnionSolvent Cement × Female Brass ThreadedDetails → 06

UPVC Brass Male UnionMale Brass Threaded × Solvent CementDetails → 07

UPVC Brass Female UnionFemale Threaded × Solvent CementDetails → 08

UPVC Male UnionMale Threaded × Solvent CementDetails → 09

Threaded Fix FlangeDetails → 10

Female Threaded Flange AdaptorDetails → 11

Male Threaded AdaptorDetails → 12

Reducing Male Threaded AdaptorDetails → 13

Female Threaded AdaptorDetails → 14

UPVC Hose AdaptorDetails → 15

NippleDetails → 16

Female Threaded CapDetails → 17

Male Threaded CapDetails → 18

Union Sight GlassDetails → 19

Flanged Sight GlassDetails →

Full product catalogue 2026–2027

More families

Explore the Fitvalf range.

UPVC Ball Valves

UPVC Check Valves

UPVC Butterfly Valves

UPVC Actuated Ball Valves

UPVC Actuated Butterfly Valves

Industrial Valves

UPVC Solvent Cement Fittings

UPVC Pipes & Clamps

UPVC SCH80 Valves & Fittings

Technical Materials

Filtration Products

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