SMC KP Series Union Y, 4 mm to 4 mm, Tube-to-Tube Connection Style, KPU04-00

View all Pneumatic Fittings

Subtotal (1 bag of 10 units)*

£125.24

(exc. VAT)

£150.29

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • Shipping from 31 October 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Bag(s)
Per Bag
Per unit*
1 +£125.24£12.524

*price indicative

Photo of Pneumatic Fittings & Air Hose
Explore our Air hose range
Need compressed air system for your fittings? You’re in the right place. Our wide range of air hoses includes everything you need—all designed for secure, efficient performance. With both fittings and hoses available side by side, it’s easy to find compatible components and build a complete setup that works for your space and application.
Shop Now
RS Stock No.:
365-677
Mfr. Part No.:
KPU04-00
Brand:
SMC
Find similar products by selecting one or more attributes.
Select all

Brand

SMC

Connector A

4 mm

Connector B

4 mm

Pneumatic Fitting Type

Union Y

Connection Style

Tube-to-Tube

Manufacturer Series

KP

Model Number p

KPU04-00

COO (Country of Origin):
JP
The SMC KP UNION Y are one-touch fittings for clean room blow-off systems and drive air systems. The KP series is completely oil free and liquid-contact areas are non-metallic. Parts are cleaned, assembled and double packaged in a clean room. Resin parts for one-touch series KPQ/KPG (for drive system air piping) are polypropylene.

Clean One-touch fitting
For blowing systems
Completely oil free

Related links