Siamp 99T 1/2" Inlet Ball Valve Bottom Entry - BRASS Thread

Manufacturer: Siamp

The Siamp COMPACT 99T BP Low Pressure 1/2″ Brass Inlet Valve (30 9921 10) is a WRAS-certified, quiet-fill, bottom-entry valve built for reliability and efficiency. Featuring adjustable height, anti-backflow protection, and hydraulic closure to prevent water hammer, it suits both ceramic and plastic cisterns. Ideal for low-pressure systems, it includes a 10-year guarantee and is available with 1/2" brass, 3/8" brass, or 1/2" plastic connections—perfect for original installs or replacements.

SKU: 30992110 (10)

Availability: 6 in stock

£42.48 incl tax

Qty:

i h

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Low pressure

Compact with telescopic adjustment

Can be installed into ceramic or plastic cisterns, recessed or low level cisterns, for replacement or as original equipment

Hydraulic closure (no water hammer shock)

Adjustable water level

Quiet

Anti-backflow function

3/8” brass, 1/2” brass and 1/2” plastic end-fitting:
- 3/8” brass :
  flow rate : 0.21l/s at 3 bars
  Pressure function range from 0.1 to 10 bars
- 1/2” brass :
  flow rate : 0.23l/s at 3 bars
  Pressure function range from 0.1 to 10 bars
- 1/2” plastic :
  flow rate : 0.22l/s at 3 bars
  Pressure function range from 0.1 to 10 bars

Products specifications

Product Type	Ball Valve
Manufacturer	Siamp

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Siamp 99T 1/2" Inlet Ball Valve Bottom Entry - BRASS Thread

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